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UVC Camera support on AM170x Linux

Noppamas Keawmoraraungrit
Intellectual 270 points

Other Parts Discussed in Thread: AM1707, AM1808

Dear all,
Please help us to check this question.
We want to use USB 2.0 Hi-Speed Host on AM1707 to get HD image (+1.3Mpixel) from USB Camera.
It seems that UVC driver on AM170x Linux can get highest resolution from USB Camera. Compare with x86, USB Host driver is EHCI.
But AM170x is musb_hdrc. Is"musb_hdrc" compatible with EHCI? 
Could you please check with TI FAE if they ever found this problem?
Please find the USBCamera_AM1707_LinuxTest as attached file.
Thanks you very much.
Best Regards,
Duanpen Z. 
USBCamera_AM1707_LinuxTest.xlsx
  • 0
    Guru 31670 points

    Duanpen,

    MUSB Host controller on AM170x platform is totally custom implementation of the USB host controller from Mentor Graphics. Whereas, EHCI is the standard host controller supported by many platforms. So the drivers required for host controller will also be different. 

    Functionally, I believe both EHCI and MUSB is compatible as both of them supports USB 2.0

  • 0 in reply to Renjith Thomas
    Intellectual 270 points

    Dear Renjith Thomas,


    Thanks you very much for you help.

    Best Regards,

    Dunapen Z.

  • 0 in reply to Renjith Thomas
    Expert 2785 points

    Hi,

    I want to use USB 2.0 hi-speed Host on my AM1808 to get snap shots from 5M USB camera.

    when i connect my USB camera interface to USB 1.1 host port, the driver found itseems and created the node as /dev/video0.

    But when i am trying to capture the sanpshots using USB camera on my application the preview shows blank screen.

    The same application i tested with VGA camera with USB 1.1 it is working and capturing all the images.

    How can i resolve my issue, is there any USB 2.0 recommendations. How to enable my USB 2.0 in my AM1808.

    Please help me.

    Thanks,
    Lofna

  • 0 in reply to lofna kumari
    Guru 31670 points

    Lofna,

    USB 1.1 cannot handle the bandwidth requirements for a 5M camera. You can check you board whether USB 2.0 port is available or not. If so, you can try to connect the camera and see whether its detected or not. If not, try to enable MUSB Host driver in kernel and try again.

  • 0 in reply to Renjith Thomas
    Expert 2785 points

    Hi Renjith,

     

    Thanks for your response.

    I have configured my USB 2.0 as Host and able to detect the Penn Drives. I have connected my 5MP Camera

     

    When I am trying to get the image from 5M USB camera, the below error log appeared.

     

    Please help me.

     

    ------------------------------------------------------------------------------------------

    root@am180x-evm:/home# ./ffmpeg -f video4linux2 -r 2 -s 640x480 -i /dev/video0 640x480.jpg

    ffmpeg version 1.2.4 Copyright (c) 2000-2013 the FFmpeg developers

      built on Dec 11 2013 06:18:09 with gcc 4.3.3 (Sourcery G++ Lite 2009q1-203)

      configuration: --enable-cross-compile --cross-prefix=arm-none-linux-gnueabi- --arch=armel --target-os=linux --prefix=/root/Downloads/ffmpeg-1.2.4/

      libavutil      52. 18.100 / 52. 18.100

      libavcodec     54. 92.100 / 54. 92.100

      libavformat    54. 63.104 / 54. 63.104

      libavdevice    54.  3.103 / 54.  3.103

      libavfilter     3. 42.103 /  3. 42.103

      libswscale      2.  2.100 /  2.  2.100

      libswresample   0. 17.102 /  0. 17.102

    [video4linux2,v4l2 @ 0xfa2470] The V4L2 driver changed the video from 1024x768 to 1280x720

    [video4linux2,v4l2 @ 0xfa2470] The driver changed the time per frame from 1/2 to 1/10

    ffmpeg invoked oom-killer: gfp_mask=0xd0, order=0, oom_adj=0

    Backtrace:

    [<c004e730>] (dump_backtrace+0x0/0x114) from [<c033c934>] (dump_stack+0x18/0x1c)

     r7:0000033a r6:00000000 r5:c1d3d5e0 r4:c15c8000

    [<c033c91c>] (dump_stack+0x0/0x1c) from [<c00963e0>] (dump_header+0x70/0x170)

    [<c0096370>] (dump_header+0x0/0x170) from [<c0096524>] (oom_kill_process+0x44/0xdc)

     r6:00000000 r5:c1d3d5e0 r4:000000d0

    [<c00964e0>] (oom_kill_process+0x0/0xdc) from [<c0096c1c>] (__out_of_memory+0x194/0x1b8)

     r7:c15c8000 r6:0000033a r5:c1d3d5e0 r4:c042f728

    [<c0096a88>] (__out_of_memory+0x0/0x1b8) from [<c0096cf0>] (out_of_memory+0xb0/0x104)

    [<c0096c40>] (out_of_memory+0x0/0x104) from [<c0099c5c>] (__alloc_pages_nodemask+0x418/0x514)

     r6:000000d0 r5:00000000 r4:00000000

    [<c0099844>] (__alloc_pages_nodemask+0x0/0x514) from [<c00b5384>] (__vmalloc_area_node+0xd0/0x130)

    [<c00b52b4>] (__vmalloc_area_node+0x0/0x130) from [<c00b5474>] (__vmalloc_node+0x90/0xac)

    [<c00b53e4>] (__vmalloc_node+0x0/0xac) from [<c00b5514>] (vmalloc_32+0x2c/0x38)

     r7:c3970078 r6:00000020 r5:ffe3e000 r4:03840000

    [<c00b54e8>] (vmalloc_32+0x0/0x38) from [<c02716f4>] (uvc_alloc_buffers+0x78/0x144)

    [<c027167c>] (uvc_alloc_buffers+0x0/0x144) from [<c0272d54>] (uvc_v4l2_do_ioctl+0xca8/0x1000)

    [<c02720ac>] (uvc_v4l2_do_ioctl+0x0/0x1000) from [<c026507c>] (video_usercopy+0x1a4/0x2ac)

    [<c0264ed8>] (video_usercopy+0x0/0x2ac) from [<c0271d84>] (uvc_v4l2_ioctl+0x54/0x68)

    [<c0271d30>] (uvc_v4l2_ioctl+0x0/0x68) from [<c026436c>] (v4l2_ioctl+0x44/0x48)

     r7:c2a29500 r6:bee7a69c r5:c0145608 r4:c2a29500

    [<c0264328>] (v4l2_ioctl+0x0/0x48) from [<c00d09cc>] (vfs_ioctl+0x84/0xb4)

     r7:c2a29500 r6:bee7a69c r5:c0145608 r4:c2a29500

    [<c00d0948>] (vfs_ioctl+0x0/0xb4) from [<c00d1090>] (do_vfs_ioctl+0x594/0x5f0)

     r7:c2a29500 r6:00000003 r5:c2a29500 r4:00000003

    [<c00d0afc>] (do_vfs_ioctl+0x0/0x5f0) from [<c00d112c>] (sys_ioctl+0x40/0x64)

    [<c00d10ec>] (sys_ioctl+0x0/0x64) from [<c004af20>] (ret_fast_syscall+0x0/0x28)

     r7:00000036 r6:00fa2c70 r5:00000000 r4:00000001

    Mem-info:

    DMA per-cpu:

    CPU    0: hi:   18, btch:   3 usd:  17

    active_anon:1086 inactive_anon:1547 isolated_anon:0

     active_file:2 inactive_file:9 isolated_file:0

     unevictable:0 dirty:0 writeback:0 unstable:0

     free:257 slab_reclaimable:158 slab_unreclaimable:496

     mapped:85 shmem:123 pagetables:89 bounce:0

    DMA free:1028kB min:1016kB low:1268kB high:1524kB active_anon:4344kB inactive_anon:6188kB active_file:8kB inactive_file:36kB unevictable:0kB isolated(anon):0kB isolated(file):0kB present:65024kB mlocked:0kB dirty:0kB writeback:0kB mapped:340kB shmem:492kB slab_reclaimable:632kB slab_unreclaimable:1984kB kernel_stack:352kB pagetables:356kB unstable:0kB bounce:0kB writeback_tmp:0kB pages_scanned:0 all_unreclaimable? no

    lowmem_reserve[]: 0 0 0

    DMA: 237*4kB 0*8kB 1*16kB 0*32kB 1*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 1028kB

    134 total pagecache pages

    0 pages in swap cache

    Swap cache stats: add 0, delete 0, find 0/0

    Free swap  = 0kB

    Total swap = 0kB

    16384 pages of RAM

    366 free pages

    1222 reserved pages

    503 slab pages

    156 pages shared

    0 pages swap cached

    Out of memory: kill process 1115 (matrix_guiE) score 826 or a child

    Killed process 1115 (matrix_guiE) vsz:52868kB, anon-rss:6816kB, file-rss:312kB

    matrix_guiE: page allocation failure. order:0, mode:0x201da

    Backtrace:

    [<c004e730>] (dump_backtrace+0x0/0x114) from [<c033c934>] (dump_stack+0x18/0x1c)

     r7:00000000 r6:000201da r5:00000000 r4:00000000

    [<c033c91c>] (dump_stack+0x0/0x1c) from [<c0099cf4>] (__alloc_pages_nodemask+0x4b0/0x514)

    [<c0099844>] (__alloc_pages_nodemask+0x0/0x514) from [<c0093eec>] (read_cache_page_async+0x50/0x164)

    [<c0093e9c>] (read_cache_page_async+0x0/0x164) from [<c0094010>] (read_cache_page+0x10/0x54)

    [<c0094000>] (read_cache_page+0x0/0x54) from [<c0126064>] (ext2_get_page+0x28/0x2a4)

     r5:00000000 r4:00000000

    [<c012603c>] (ext2_get_page+0x0/0x2a4) from [<c0127270>] (ext2_find_entry+0x84/0x1f8)

    [<c01271ec>] (ext2_find_entry+0x0/0x1f8) from [<c01273fc>] (ext2_inode_by_name+0x18/0x3c)

    [<c01273e4>] (ext2_inode_by_name+0x0/0x3c) from [<c012aad8>] (ext2_lookup+0x2c/0x84)

     r4:00000000

    [<c012aaac>] (ext2_lookup+0x0/0x84) from [<c00cba14>] (do_lookup+0xf8/0x1c0)

     r7:c3a21ec8 r6:c340ef58 r5:c3c34300 r4:00000000

    [<c00cb91c>] (do_lookup+0x0/0x1c0) from [<c00cd86c>] (link_path_walk+0x934/0xde4)

    [<c00ccf38>] (link_path_walk+0x0/0xde4) from [<c00cde90>] (path_walk+0x50/0xa4)

    [<c00cde40>] (path_walk+0x0/0xa4) from [<c00cdf80>] (do_path_lookup+0x2c/0x54)

    [<c00cdf54>] (do_path_lookup+0x0/0x54) from [<c00cebbc>] (do_filp_open+0xc8/0xb6c)

     r7:c3975000 r6:ffffff9c r5:c3a21ec8 r4:00000000

    [<c00ceaf4>] (do_filp_open+0x0/0xb6c) from [<c00c088c>] (do_sys_open+0x64/0x11c)

    [<c00c0828>] (do_sys_open+0x0/0x11c) from [<c00c097c>] (sys_open+0x24/0x28)

    [<c00c0958>] (sys_open+0x0/0x28) from [<c004af20>] (ret_fast_syscall+0x0/0x28)

    Mem-info:

    DMA per-cpu:

    CPU    0: hi:   18, btch:   3 usd:  18

    active_anon:1086 inactive_anon:1547 isolated_anon:0

     active_file:10 inactive_file:0 isolated_file:0

     unevictable:0 dirty:0 writeback:0 unstable:0

     free:253 slab_reclaimable:146 slab_unreclaimable:496

     mapped:84 shmem:123 pagetables:89 bounce:0

    DMA free:1012kB min:1016kB low:1268kB high:1524kB active_anon:4344kB inactive_anon:6188kB active_file:40kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB present:65024kB mlocked:0kB dirty:0kB writeback:0kB mapped:336kB shmem:492kB slab_reclaimable:584kB slab_unreclaimable:1984kB kernel_stack:344kB pagetables:356kB unstable:0kB bounce:0kB writeback_tmp:0kB pages_scanned:60 all_unreclaimable? yes

    lowmem_reserve[]: 0 0 0

    DMA: 229*4kB 2*8kB 1*16kB 0*32kB 1*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 1012kB

    133 total pagecache pages

    0 pages in swap cache

    Swap cache stats: add 0, delete 0, find 0/0

    Free swap  = 0kB

    Total swap = 0kB

    16384 pages of RAM

    362 free pages

    1222 reserved pages

    491 slab pages

    155 pages shared

    0 pages swap cached

    testKB_evm.dat invoked oom-killer: gfp_mask=0x201da, order=0, oom_adj=0

    Backtrace:

    [<c004e730>] (dump_backtrace+0x0/0x114) from [<c033c934>] (dump_stack+0x18/0x1c)

     r7:0000024d r6:00000000 r5:c1d3cfa0 r4:c2fee000

    [<c033c91c>] (dump_stack+0x0/0x1c) from [<c00963e0>] (dump_header+0x70/0x170)

    [<c0096370>] (dump_header+0x0/0x170) from [<c0096524>] (oom_kill_process+0x44/0xdc)

     r6:00000000 r5:c1d3cfa0 r4:000201da

    [<c00964e0>] (oom_kill_process+0x0/0xdc) from [<c0096c1c>] (__out_of_memory+0x194/0x1b8)

     r7:c2fee000 r6:0000024d r5:c1d3cfa0 r4:c042f728

    [<c0096a88>] (__out_of_memory+0x0/0x1b8) from [<c0096cf0>] (out_of_memory+0xb0/0x104)

    [<c0096c40>] (out_of_memory+0x0/0x104) from [<c0099c5c>] (__alloc_pages_nodemask+0x418/0x514)

     r6:000201da r5:00000000 r4:00000000

    [<c0099844>] (__alloc_pages_nodemask+0x0/0x514) from [<c009b8ec>] (__do_page_cache_readahead+0x118/0x268)

    [<c009b7d4>] (__do_page_cache_readahead+0x0/0x268) from [<c009ba6c>] (ra_submit+0x30/0x38)

    [<c009ba3c>] (ra_submit+0x0/0x38) from [<c0094244>] (filemap_fault+0x1f0/0x420)

    [<c0094054>] (filemap_fault+0x0/0x420) from [<c00a8754>] (__do_fault+0x54/0x408)

    [<c00a8700>] (__do_fault+0x0/0x408) from [<c00a9cf4>] (handle_mm_fault+0x2d8/0x714)

    [<c00a9a1c>] (handle_mm_fault+0x0/0x714) from [<c005040c>] (do_page_fault+0xf4/0x1e8)

    [<c0050318>] (do_page_fault+0x0/0x1e8) from [<c00505a0>] (do_translation_fault+0x18/0x7c)

    [<c0050588>] (do_translation_fault+0x0/0x7c) from [<c004a244>] (do_PrefetchAbort+0x3c/0x9c)

     r7:c2feffb0 r6:00000005 r5:00000002 r4:c043086c

    [<c004a208>] (do_PrefetchAbort+0x0/0x9c) from [<c004aea4>] (ret_from_exception+0x0/0x10)

    Exception stack(0xc2feffb0 to 0xc2fefff8)

    ffa0:                                     00000001 00000002 00000001 4105e000

    ffc0: ffffffff 00000002 00016880 000fffa0 4112f264 410a0730 000002bc 40d96a98

    ffe0: 000030d0 bedfcbb8 41095cac 41095cac 00000010 ffffffff

     r8:4112f264 r7:000fffa0 r6:00016880 r5:00000002 r4:ffffffff

    Mem-info:

    DMA per-cpu:

    CPU    0: hi:   18, btch:   3 usd:   3

    active_anon:451 inactive_anon:478 isolated_anon:0

     active_file:11 inactive_file:66 isolated_file:0

     unevictable:0 dirty:0 writeback:0 unstable:0

     free:254 slab_reclaimable:145 slab_unreclaimable:496

     mapped:69 shmem:123 pagetables:64 bounce:0

    DMA free:1016kB min:1016kB low:1268kB high:1524kB active_anon:1804kB inactive_anon:1912kB active_file:44kB inactive_file:264kB unevictable:0kB isolated(anon):0kB isolated(file):0kB present:65024kB mlocked:0kB dirty:0kB writeback:0kB mapped:276kB shmem:492kB slab_reclaimable:580kB slab_unreclaimable:1984kB kernel_stack:344kB pagetables:256kB unstable:0kB bounce:0kB writeback_tmp:0kB pages_scanned:256 all_unreclaimable? no

    lowmem_reserve[]: 0 0 0

    DMA: 234*4kB 0*8kB 1*16kB 0*32kB 1*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 1016kB

    200 total pagecache pages

    0 pages in swap cache

    Swap cache stats: add 0, delete 0, find 0/0

    Free swap  = 0kB

    Total swap = 0kB

    16384 pages of RAM

    345 free pages

    1222 reserved pages

    490 slab pages

    83 pages shared

    0 pages swap cached

    Out of memory: kill process 1053 (dbus-daemon) score 589 or a child

    Killed process 1053 (dbus-daemon) vsz:2356kB, anon-rss:140kB, file-rss:0kB

    testKB_evm.dat invoked oom-killer: gfp_mask=0x201da, order=0, oom_adj=0

    Backtrace:

    [<c004e730>] (dump_backtrace+0x0/0x114) from [<c033c934>] (dump_stack+0x18/0x1c)

     r7:0000014f r6:00000000 r5:c3849c20 r4:c2fee000

    [<c033c91c>] (dump_stack+0x0/0x1c) from [<c00963e0>] (dump_header+0x70/0x170)

    [<c0096370>] (dump_header+0x0/0x170) from [<c0096524>] (oom_kill_process+0x44/0xdc)

     r6:00000000 r5:c3849c20 r4:000201da

    [<c00964e0>] (oom_kill_process+0x0/0xdc) from [<c0096c1c>] (__out_of_memory+0x194/0x1b8)

     r7:c2fee000 r6:0000014f r5:c3849c20 r4:c042f728

    [<c0096a88>] (__out_of_memory+0x0/0x1b8) from [<c0096cf0>] (out_of_memory+0xb0/0x104)

    [<c0096c40>] (out_of_memory+0x0/0x104) from [<c0099c5c>] (__alloc_pages_nodemask+0x418/0x514)

     r6:000201da r5:00000000 r4:00000000

    [<c0099844>] (__alloc_pages_nodemask+0x0/0x514) from [<c009b8ec>] (__do_page_cache_readahead+0x118/0x268)

    [<c009b7d4>] (__do_page_cache_readahead+0x0/0x268) from [<c009ba6c>] (ra_submit+0x30/0x38)

    [<c009ba3c>] (ra_submit+0x0/0x38) from [<c0094244>] (filemap_fault+0x1f0/0x420)

    [<c0094054>] (filemap_fault+0x0/0x420) from [<c00a8754>] (__do_fault+0x54/0x408)

    [<c00a8700>] (__do_fault+0x0/0x408) from [<c00a9cf4>] (handle_mm_fault+0x2d8/0x714)

    [<c00a9a1c>] (handle_mm_fault+0x0/0x714) from [<c005040c>] (do_page_fault+0xf4/0x1e8)

    [<c0050318>] (do_page_fault+0x0/0x1e8) from [<c00505a0>] (do_translation_fault+0x18/0x7c)

    [<c0050588>] (do_translation_fault+0x0/0x7c) from [<c004a244>] (do_PrefetchAbort+0x3c/0x9c)

     r7:c2feffb0 r6:00000005 r5:00000002 r4:c043086c

    [<c004a208>] (do_PrefetchAbort+0x0/0x9c) from [<c004aea4>] (ret_from_exception+0x0/0x10)

    Exception stack(0xc2feffb0 to 0xc2fefff8)

    ffa0:                                     00000001 00000002 00000001 4105e000

    ffc0: ffffffff 00000002 00016880 000fffa0 4112f264 410a0730 000002bc 40d96a98

    ffe0: 000030d0 bedfcbb8 41095cac 41095cac 00000010 ffffffff

     r8:4112f264 r7:000fffa0 r6:00016880 r5:00000002 r4:ffffffff

    Mem-info:

    DMA per-cpu:

    CPU    0: hi:   18, btch:   3 usd:  13

    active_anon:419 inactive_anon:475 isolated_anon:0

     active_file:6 inactive_file:7 isolated_file:0

     unevictable:0 dirty:0 writeback:0 unstable:0

     free:268 slab_reclaimable:145 slab_unreclaimable:496

     mapped:71 shmem:123 pagetables:61 bounce:0

    DMA free:1072kB min:1016kB low:1268kB high:1524kB active_anon:1676kB inactive_anon:1900kB active_file:24kB inactive_file:28kB unevictable:0kB isolated(anon):0kB isolated(file):0kB present:65024kB mlocked:0kB dirty:0kB writeback:0kB mapped:284kB shmem:492kB slab_reclaimable:580kB slab_unreclaimable:1984kB kernel_stack:328kB pagetables:244kB unstable:0kB bounce:0kB writeback_tmp:0kB pages_scanned:7 all_unreclaimable? no

    lowmem_reserve[]: 0 0 0

    DMA: 246*4kB 1*8kB 1*16kB 0*32kB 1*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 1072kB

    138 total pagecache pages

    0 pages in swap cache

    Swap cache stats: add 0, delete 0, find 0/0

    Free swap  = 0kB

    Total swap = 0kB

    16384 pages of RAM

    364 free pages

    1222 reserved pages

    490 slab pages

    84 pages shared

    0 pages swap cached

    Out of memory: kill process 1357 (testKB_evm.dat) score 335 or a child

    Killed process 1357 (testKB_evm.dat) vsz:21472kB, anon-rss:1588kB, file-rss:264kB

    bug invoked oom-killer: gfp_mask=0xd0, order=1, oom_adj=0

    Backtrace:

    [<c004e730>] (dump_backtrace+0x0/0x114) from [<c033c934>] (dump_stack+0x18/0x1c)

     r7:0000011e r6:00000001 r5:c1c34c80 r4:c21cc000

    [<c033c91c>] (dump_stack+0x0/0x1c) from [<c00963e0>] (dump_header+0x70/0x170)

    [<c0096370>] (dump_header+0x0/0x170) from [<c0096524>] (oom_kill_process+0x44/0xdc)

     r6:00000001 r5:c1c34c80 r4:000000d0

    [<c00964e0>] (oom_kill_process+0x0/0xdc) from [<c0096c1c>] (__out_of_memory+0x194/0x1b8)

     r7:c21cc000 r6:0000011e r5:c1c34c80 r4:c042f728

    [<c0096a88>] (__out_of_memory+0x0/0x1b8) from [<c0096cf0>] (out_of_memory+0xb0/0x104)

    [<c0096c40>] (out_of_memory+0x0/0x104) from [<c0099c5c>] (__alloc_pages_nodemask+0x418/0x514)

     r6:000000d0 r5:00000000 r4:00000000

    [<c0099844>] (__alloc_pages_nodemask+0x0/0x514) from [<c0099d70>] (__get_free_pages+0x18/0x44)

    [<c0099d58>] (__get_free_pages+0x0/0x44) from [<c005d158>] (copy_process+0xac/0xe0c)

    [<c005d0ac>] (copy_process+0x0/0xe0c) from [<c005e028>] (do_fork+0x170/0x344)

    [<c005deb8>] (do_fork+0x0/0x344) from [<c004df40>] (sys_clone+0x34/0x3c)

    [<c004df0c>] (sys_clone+0x0/0x3c) from [<c004af20>] (ret_fast_syscall+0x0/0x28)

    Mem-info:

    DMA per-cpu:

    CPU    0: hi:   18, btch:   3 usd:   0

    active_anon:134 inactive_anon:291 isolated_anon:0

     active_file:10 inactive_file:0 isolated_file:0

     unevictable:0 dirty:0 writeback:0 unstable:0

     free:307 slab_reclaimable:139 slab_unreclaimable:496

     mapped:2 shmem:51 pagetables:49 bounce:0

    DMA free:1228kB min:1016kB low:1268kB high:1524kB active_anon:536kB inactive_anon:1164kB active_file:40kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB present:65024kB mlocked:0kB dirty:0kB writeback:0kB mapped:8kB shmem:204kB slab_reclaimable:556kB slab_unreclaimable:1984kB kernel_stack:320kB pagetables:196kB unstable:0kB bounce:0kB writeback_tmp:0kB pages_scanned:0 all_unreclaimable? no

    lowmem_reserve[]: 0 0 0

    DMA: 285*4kB 1*8kB 1*16kB 0*32kB 1*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 1228kB

    61 total pagecache pages

    0 pages in swap cache

    Swap cache stats: add 0, delete 0, find 0/0

    Free swap  = 0kB

    Total swap = 0kB

    16384 pages of RAM

    386 free pages

    1222 reserved pages

    484 slab pages

    12 pages shared

    0 pages swap cached

    Out of memory: kill process 2462 (ffmpeg) score 286 or a child

    Killed process 2462 (ffmpeg) vsz:18348kB, anon-rss:304kB, file-rss:0kB

    ffmpeg: page allocation failure. order:0, mode:0xd0

    Backtrace:

    [<c004e730>] (dump_backtrace+0x0/0x114) from [<c033c934>] (dump_stack+0x18/0x1c)

     r7:00000000 r6:000000d0 r5:003fffff r4:00000000

    [<c033c91c>] (dump_stack+0x0/0x1c) from [<c0099cf4>] (__alloc_pages_nodemask+0x4b0/0x514)

    [<c0099844>] (__alloc_pages_nodemask+0x0/0x514) from [<c00b5384>] (__vmalloc_area_node+0xd0/0x130)

    [<c00b52b4>] (__vmalloc_area_node+0x0/0x130) from [<c00b5474>] (__vmalloc_node+0x90/0xac)

    [<c00b53e4>] (__vmalloc_node+0x0/0xac) from [<c00b5514>] (vmalloc_32+0x2c/0x38)

     r7:c3970078 r6:00000020 r5:ffe3e000 r4:03840000

    [<c00b54e8>] (vmalloc_32+0x0/0x38) from [<c02716f4>] (uvc_alloc_buffers+0x78/0x144)

    [<c027167c>] (uvc_alloc_buffers+0x0/0x144) from [<c0272d54>] (uvc_v4l2_do_ioctl+0xca8/0x1000)

    [<c02720ac>] (uvc_v4l2_do_ioctl+0x0/0x1000) from [<c026507c>] (video_usercopy+0x1a4/0x2ac)

    [<c0264ed8>] (video_usercopy+0x0/0x2ac) from [<c0271d84>] (uvc_v4l2_ioctl+0x54/0x68)

    [<c0271d30>] (uvc_v4l2_ioctl+0x0/0x68) from [<c026436c>] (v4l2_ioctl+0x44/0x48)

     r7:c2a29500 r6:bee7a69c r5:c0145608 r4:c2a29500

    [<c0264328>] (v4l2_ioctl+0x0/0x48) from [<c00d09cc>] (vfs_ioctl+0x84/0xb4)

     r7:c2a29500 r6:bee7a69c r5:c0145608 r4:c2a29500

    [<c00d0948>] (vfs_ioctl+0x0/0xb4) from [<c00d1090>] (do_vfs_ioctl+0x594/0x5f0)

     r7:c2a29500 r6:00000003 r5:c2a29500 r4:00000003

    [<c00d0afc>] (do_vfs_ioctl+0x0/0x5f0) from [<c00d112c>] (sys_ioctl+0x40/0x64)

    [<c00d10ec>] (sys_ioctl+0x0/0x64) from [<c004af20>] (ret_fast_syscall+0x0/0x28)

     r7:00000036 r6:00fa2c70 r5:00000000 r4:00000001

    Mem-info:

    DMA per-cpu:

    CPU    0: hi:   18, btch:   3 usd:   0

    active_anon:134 inactive_anon:291 isolated_anon:0

     active_file:10 inactive_file:56 isolated_file:0

     unevictable:0 dirty:0 writeback:0 unstable:0

     free:0 slab_reclaimable:139 slab_unreclaimable:496

     mapped:2 shmem:51 pagetables:49 bounce:0

    DMA free:0kB min:1016kB low:1268kB high:1524kB active_anon:536kB inactive_anon:1164kB active_file:40kB inactive_file:224kB unevictable:0kB isolated(anon):0kB isolated(file):0kB present:65024kB mlocked:0kB dirty:0kB writeback:0kB mapped:8kB shmem:204kB slab_reclaimable:556kB slab_unreclaimable:1984kB kernel_stack:320kB pagetables:196kB unstable:0kB bounce:0kB writeback_tmp:0kB pages_scanned:20 all_unreclaimable? no

    lowmem_reserve[]: 0 0 0

    DMA: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB

    123 total pagecache pages

    0 pages in swap cache

    Swap cache stats: add 0, delete 0, find 0/0

    Free swap  = 0kB

    Total swap = 0kB

    16384 pages of RAM

    79 free pages

    1222 reserved pages

    484 slab pages

    20 pages shared

    0 pages swap cached

    ffmpeg: page allocation failure. order:0, mode:0xd0

    Backtrace:

    [<c004e730>] (dump_backtrace+0x0/0x114) from [<c033c934>] (dump_stack+0x18/0x1c)

     r7:00000000 r6:000000d0 r5:003fffff r4:00000000

    [<c033c91c>] (dump_stack+0x0/0x1c) from [<c0099cf4>] (__alloc_pages_nodemask+0x4b0/0x514)

    [<c0099844>] (__alloc_pages_nodemask+0x0/0x514) from [<c00b5384>] (__vmalloc_area_node+0xd0/0x130)

    [<c00b52b4>] (__vmalloc_area_node+0x0/0x130) from [<c00b5474>] (__vmalloc_node+0x90/0xac)

    [<c00b53e4>] (__vmalloc_node+0x0/0xac) from [<c00b5514>] (vmalloc_32+0x2c/0x38)

     r7:c3970078 r6:0000001f r5:ffe3e000 r4:0367e000

    [<c00b54e8>] (vmalloc_32+0x0/0x38) from [<c02716f4>] (uvc_alloc_buffers+0x78/0x144)

    [<c027167c>] (uvc_alloc_buffers+0x0/0x144) from [<c0272d54>] (uvc_v4l2_do_ioctl+0xca8/0x1000)

    [<c02720ac>] (uvc_v4l2_do_ioctl+0x0/0x1000) from [<c026507c>] (video_usercopy+0x1a4/0x2ac)

    [<c0264ed8>] (video_usercopy+0x0/0x2ac) from [<c0271d84>] (uvc_v4l2_ioctl+0x54/0x68)

    [<c0271d30>] (uvc_v4l2_ioctl+0x0/0x68) from [<c026436c>] (v4l2_ioctl+0x44/0x48)

     r7:c2a29500 r6:bee7a69c r5:c0145608 r4:c2a29500

    [<c0264328>] (v4l2_ioctl+0x0/0x48) from [<c00d09cc>] (vfs_ioctl+0x84/0xb4)

     r7:c2a29500 r6:bee7a69c r5:c0145608 r4:c2a29500

    [<c00d0948>] (vfs_ioctl+0x0/0xb4) from [<c00d1090>] (do_vfs_ioctl+0x594/0x5f0)

     r7:c2a29500 r6:00000003 r5:c2a29500 r4:00000003

    [<c00d0afc>] (do_vfs_ioctl+0x0/0x5f0) from [<c00d112c>] (sys_ioctl+0x40/0x64)

    [<c00d10ec>] (sys_ioctl+0x0/0x64) from [<c004af20>] (ret_fast_syscall+0x0/0x28)

     r7:00000036 r6:00fa2c70 r5:00000000 r4:00000001

    Mem-info:

    DMA per-cpu:

    CPU    0: hi:   18, btch:   3 usd:   7

    active_anon:134 inactive_anon:291 isolated_anon:0

     active_file:10 inactive_file:56 isolated_file:0

     unevictable:0 dirty:0 writeback:0 unstable:0

     free:0 slab_reclaimable:139 slab_unreclaimable:496

     mapped:2 shmem:51 pagetables:49 bounce:0

    DMA free:0kB min:1016kB low:1268kB high:1524kB active_anon:536kB inactive_anon:1164kB active_file:40kB inactive_file:224kB unevictable:0kB isolated(anon):0kB isolated(file):0kB present:65024kB mlocked:0kB dirty:0kB writeback:0kB mapped:8kB shmem:204kB slab_reclaimable:556kB slab_unreclaimable:1984kB kernel_stack:320kB pagetables:196kB unstable:0kB bounce:0kB writeback_tmp:0kB pages_scanned:0 all_unreclaimable? no

    lowmem_reserve[]: 0 0 0

    DMA: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB

    123 total pagecache pages

    0 pages in swap cache

    Swap cache stats: add 0, delete 0, find 0/0

    Free swap  = 0kB

    Total swap = 0kB

    16384 pages of RAM

    86 free pages

    1222 reserved pages

    484 slab pages

    20 pages shared

    0 pages swap cached

    bug invoked oom-killer: gfp_mask=0xd0, order=1, oom_adj=0

    Backtrace:

    [<c004e730>] (dump_backtrace+0x0/0x114) from [<c033c934>] (dump_stack+0x18/0x1c)

     r7:0000003d r6:00000001 r5:c1d3dc20 r4:c21cc000

    [<c033c91c>] (dump_stack+0x0/0x1c) from [<c00963e0>] (dump_header+0x70/0x170)

    [<c0096370>] (dump_header+0x0/0x170) from [<c0096524>] (oom_kill_process+0x44/0xdc)

     r6:00000001 r5:c1d3dc20 r4:000000d0

    [<c00964e0>] (oom_kill_process+0x0/0xdc) from [<c0096c1c>] (__out_of_memory+0x194/0x1b8)

     r7:c21cc000 r6:0000003d r5:c1d3dc20 r4:c042f728

    [<c0096a88>] (__out_of_memory+0x0/0x1b8) from [<c0096cf0>] (out_of_memory+0xb0/0x104)

    [<c0096c40>] (out_of_memory+0x0/0x104) from [<c0099c5c>] (__alloc_pages_nodemask+0x418/0x514)

     r6:000000d0 r5:00000000 r4:00000000

    [<c0099844>] (__alloc_pages_nodemask+0x0/0x514) from [<c0099d70>] (__get_free_pages+0x18/0x44)

    [<c0099d58>] (__get_free_pages+0x0/0x44) from [<c005d158>] (copy_process+0xac/0xe0c)

    [<c005d0ac>] (copy_process+0x0/0xe0c) from [<c005e028>] (do_fork+0x170/0x344)

    [<c005deb8>] (do_fork+0x0/0x344) from [<c004df40>] (sys_clone+0x34/0x3c)

    [<c004df0c>] (sys_clone+0x0/0x3c) from [<c004af20>] (ret_fast_syscall+0x0/0x28)

    Mem-info:

    DMA per-cpu:

    CPU    0: hi:   18, btch:   3 usd:   0

    active_anon:58 inactive_anon:291 isolated_anon:0

     active_file:10 inactive_file:0 isolated_file:0

     unevictable:0 dirty:0 writeback:0 unstable:0

     free:246 slab_reclaimable:139 slab_unreclaimable:496

     mapped:2 shmem:51 pagetables:38 bounce:0

    DMA free:984kB min:1016kB low:1268kB high:1524kB active_anon:232kB inactive_anon:1164kB active_file:40kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB present:65024kB mlocked:0kB dirty:0kB writeback:0kB mapped:8kB shmem:204kB slab_reclaimable:556kB slab_unreclaimable:1984kB kernel_stack:320kB pagetables:152kB unstable:0kB bounce:0kB writeback_tmp:0kB pages_scanned:0 all_unreclaimable? no

    lowmem_reserve[]: 0 0 0

    DMA: 174*4kB 14*8kB 11*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 984kB

    61 total pagecache pages

    0 pages in swap cache

    Swap cache stats: add 0, delete 0, find 0/0

    Free swap  = 0kB

    Total swap = 0kB

    16384 pages of RAM

    322 free pages

    1222 reserved pages

    484 slab pages

    12 pages shared

    0 pages swap cached

    Out of memory: kill process 1122 (login) score 61 or a child

    Killed process 1154 (sh) vsz:3032kB, anon-rss:108kB, file-rss:0kB

    Removing stale PID file /var/run/matrix-gui-e.pid.

                                                      Starting Matrix GUI application.

     

     _____                    _____           _         _

    |  _  |___ ___ ___ ___   |  _  |___ ___  |_|___ ___| |_

    |     |  _| .'| . | . |  |   __|  _| . | | | -_|  _|  _|

    |__|__|_| |__,|_  |___|  |__|  |_| |___|_| |___|___|_|

                  |___|                    |___|

     

    Arago Project http://arago-project.org am180x-evm ttyS2

     

    Arago 2010.12 am180x-evm ttyS2

     

    am180x-evm login: root

    Last login: Tue Mar  4 15:01:02 on ttyS2

    root@am180x-evm:~#

    ------------------------------------------------------------------------------------------

     When i am trying to get the image using 

    Using Logitech C170 VGA Webcam I am getting the images. Find the below log history.

     ----------------------------------------------------------------------------------------------------

    root@am180x-evm:/home# usb 1-1: USB disconnect, address 3

    usb 1-1: new high speed USB device using musb_hdrc and address 4

    uvcvideo: Found UVC 1.00 device Webcam C170 (046d:082b)

    input: Webcam C170 as /devices/platform/musb_hdrc/usb1/1-1/1-1:1.0/input/input4

    root@am180x-evm:/home# ./ffmpeg -f video4linux2 -r 2 -s 320x240 -i /dev/video0 3

    20x240.jpg

    ffmpeg version 1.2.4 Copyright (c) 2000-2013 the FFmpeg developers

      built on Dec 11 2013 06:18:09 with gcc 4.3.3 (Sourcery G++ Lite 2009q1-203)

      configuration: --enable-cross-compile --cross-prefix=arm-none-linux-gnueabi- --arch=armel --target-os=linux --prefix=/root/Downloads/ffmpeg-1.2.4/

      libavutil      52. 18.100 / 52. 18.100

      libavcodec     54. 92.100 / 54. 92.100

      libavformat    54. 63.104 / 54. 63.104

      libavdevice    54.  3.103 / 54.  3.103

      libavfilter     3. 42.103 /  3. 42.103

      libswscale      2.  2.100 /  2.  2.100

      libswresample   0. 17.102 /  0. 17.102

    [video4linux2,v4l2 @ 0xfa2470] The driver changed the time per frame from 1/2 to 1/15

    [video4linux2,v4l2 @ 0xfa2470] Estimating duration from bitrate, this may be inaccurate

    Input #0, video4linux2,v4l2, from '/dev/video0':

      Duration: N/A, start: 1393948151.558599, bitrate: 18432 kb/s

        Stream #0:0: Video: rawvideo (YUY2 / 0x32595559), yuyv422, 320x240, 18432 kb/s, 15 fps, 15 tbr, 1000k tbn, 1000k tbc

    Output #0, image2, to '320x240.jpg':

      Metadata:

        encoder         : Lavf54.63.104

        Stream #0:0: Video: mjpeg, yuvj422p, 320x240, q=2-31, 200 kb/s, 90k tbn, 2 tbc

    Stream mapping:

      Stream #0:0 -> #0:0 (rawvideo -> mjpeg)

    Press [q] to stop, [?] for help

    [image2 @ 0xfa3910] Could not get frame filename number 2 from pattern '320x240.jpg' (either set updatefirst or use a pattern like %03d within the filename pattern)

    av_interleaved_write_frame(): Invalid argument

    root@am180x-evm:/home# ls

    320x240.jpg  ffmpeg       uvcapture

    root

    root@am180x-evm:/home#

    ------------------------------------------------------------------------------

    How can i fix this issue with my 5MP camera

    Thanks,

    Lofna

    Fullscreen 4617.lsusb.txt Download 
    root@am180x-evm:/home# lsusb -v

Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Device Descriptor:
  bLength                18
  bDescriptorType         1
  bcdUSB               2.00
  bDeviceClass            9 Hub
  bDeviceSubClass         0 Unused
  bDeviceProtocol         0 Full speed (or root) hub
  bMaxPacketSize0        64
  idVendor           0x1d6b Linux Foundation
  idProduct          0x0002 2.0 root hub
  bcdDevice            2.06
  iManufacturer           3 Linux 2.6.33-rc4 musb-hcd
  iProduct                2 MUSB HDRC host driver
  iSerial                 1 musb_hdrc
  bNumConfigurations      1
  Configuration Descriptor:
    bLength                 9
    bDescriptorType         2
    wTotalLength           25
    bNumInterfaces          1
    bConfigurationValue     1
    iConfiguration          0
    bmAttributes         0xe0
      Self Powered
      Remote Wakeup
    MaxPower                0mA
    Interface Descriptor:
      bLength                 9
      bDescriptorType         4
      bInterfaceNumber        0
      bAlternateSetting       0
      bNumEndpoints           1
      bInterfaceClass         9 Hub
      bInterfaceSubClass      0 Unused
      bInterfaceProtocol      0 Full speed (or root) hub
      iInterface              0
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x81  EP 1 IN
        bmAttributes            3
          Transfer Type            Interrupt
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x0004  1x 4 bytes
        bInterval              12
Hub Descriptor:
  bLength               9
  bDescriptorType      41
  nNbrPorts             1
  wHubCharacteristic 0x0011
    Per-port power switching
    No overcurrent protection
  bPwrOn2PwrGood        5 * 2 milli seconds
  bHubContrCurrent      0 milli Ampere
  DeviceRemovable    0x02
  PortPwrCtrlMask    0xff
 Hub Port Status:
   Port 1: 0000.0503 highspeed power enable connect
Device Status:     0x0003
  Self Powered
  Remote Wakeup Enabled

Bus 001 Device 003: ID 04f2:b355 Chicony Electronics Co., Ltd
Device Descriptor:
  bLength                18
  bDescriptorType         1
  bcdUSB               2.00
  bDeviceClass          239 Miscellaneous Device
  bDeviceSubClass         2 ?
  bDeviceProtocol         1 Interface Association
  bMaxPacketSize0        64
  idVendor           0x04f2 Chicony Electronics Co., Ltd
  idProduct          0xb355
  bcdDevice            9.25
  iManufacturer           1 Chicony Co
  iProduct                2 5M Web Camera
  iSerial                 0
  bNumConfigurations      1
  Configuration Descriptor:
    bLength                 9
    bDescriptorType         2
    wTotalLength         1058
    bNumInterfaces          2
    bConfigurationValue     1
    iConfiguration          0
    bmAttributes         0x80
      (Bus Powered)
    MaxPower              500mA
    Interface Association:
      bLength                 8
      bDescriptorType        11
      bFirstInterface         0
      bInterfaceCount         2
      bFunctionClass         14 Video
      bFunctionSubClass       3 Video Interface Collection
      bFunctionProtocol       0
      iFunction               2 5M Web Camera
    Interface Descriptor:
      bLength                 9
      bDescriptorType         4
      bInterfaceNumber        0
      bAlternateSetting       0
      bNumEndpoints           1
      bInterfaceClass        14 Video
      bInterfaceSubClass      1 Video Control
      bInterfaceProtocol      0
      iInterface              2 5M Web Camera
      VideoControl Interface Descriptor:
        bLength                13
        bDescriptorType        36
        bDescriptorSubtype      1 (HEADER)
        bcdUVC               1.00
        wTotalLength          109
        dwClockFrequency       48.000000MHz
        bInCollection           1
        baInterfaceNr( 0)       1
      VideoControl Interface Descriptor:
        bLength                18
        bDescriptorType        36
        bDescriptorSubtype      2 (INPUT_TERMINAL)
        bTerminalID             1
        wTerminalType      0x0201 Camera Sensor
        bAssocTerminal          0
        iTerminal               0
        wObjectiveFocalLengthMin      0
        wObjectiveFocalLengthMax      0
        wOcularFocalLength            0
        bControlSize                  3
        bmControls           0x0002002e
          Auto-Exposure Mode
          Auto-Exposure Priority
          Exposure Time (Absolute)
          Focus (Absolute)
          Focus, Auto
      VideoControl Interface Descriptor:
        bLength                11
        bDescriptorType        36
        bDescriptorSubtype      5 (PROCESSING_UNIT)
      Warning: Descriptor too short
        bUnitID                 2
        bSourceID               1
        wMaxMultiplier      16384
        bControlSize            2
        bmControls     0x0000157f
          Brightness
          Contrast
          Hue
          Saturation
          Sharpness
          Gamma
          White Balance Temperature
          Backlight Compensation
          Power Line Frequency
          White Balance Temperature, Auto
        iProcessing             0
        bmVideoStandards     0x1d
          None
          PAL - 625/50
          SECAM - 625/50
          NTSC - 625/50
      VideoControl Interface Descriptor:
        bLength                29
        bDescriptorType        36
        bDescriptorSubtype      6 (EXTENSION_UNIT)
        bUnitID                 4
        guidExtensionCode         {991d5a7d-325b-8b42-8cad-671b8a65f37a}
        bNumControl             0
        bNrPins                 1
        baSourceID( 0)          2
        bControlSize            4
        bmControls( 0)       0x3f
        bmControls( 1)       0x07
        bmControls( 2)       0xe7
        bmControls( 3)       0x00
        iExtension              0
      VideoControl Interface Descriptor:
        bLength                29
        bDescriptorType        36
        bDescriptorSubtype      6 (EXTENSION_UNIT)
        bUnitID                 5
        guidExtensionCode         {5bef79f6-df54-fc4b-b8cb-ca7e89a5233f}
        bNumControl             0
        bNrPins                 1
        baSourceID( 0)          3
        bControlSize            4
        bmControls( 0)       0x1f
        bmControls( 1)       0x10
        bmControls( 2)       0x00
        bmControls( 3)       0x00
        iExtension              0
      VideoControl Interface Descriptor:
        bLength                 9
        bDescriptorType        36
        bDescriptorSubtype      3 (OUTPUT_TERMINAL)
        bTerminalID             3
        wTerminalType      0x0101 USB Streaming
        bAssocTerminal          0
        bSourceID               4
        iTerminal               0
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x87  EP 7 IN
        bmAttributes            3
          Transfer Type            Interrupt
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x0010  1x 16 bytes
        bInterval               8
    Interface Descriptor:
      bLength                 9
      bDescriptorType         4
      bInterfaceNumber        1
      bAlternateSetting       0
      bNumEndpoints           0
      bInterfaceClass        14 Video
      bInterfaceSubClass      2 Video Streaming
      bInterfaceProtocol      0
      iInterface              0
      VideoStreaming Interface Descriptor:
        bLength                            15
        bDescriptorType                    36
        bDescriptorSubtype                  1 (INPUT_HEADER)
        bNumFormats                         2
        wTotalLength                      726
        bEndPointAddress                  129
        bmInfo                              0
        bTerminalLink                       3
        bStillCaptureMethod                 2
        bTriggerSupport                     1
        bTriggerUsage                       0
        bControlSize                        1
        bmaControls( 0)                    27
        bmaControls( 1)                    27
      VideoStreaming Interface Descriptor:
        bLength                            27
        bDescriptorType                    36
        bDescriptorSubtype                  4 (FORMAT_UNCOMPRESSED)
        bFormatIndex                        1
        bNumFrameDescriptors                9
        guidFormat                            {59555932-0000-1000-8000-00aa00389b71}
        bBitsPerPixel                      16
        bDefaultFrameIndex                  1
        bAspectRatioX                       0
        bAspectRatioY                       0
        bmInterlaceFlags                 0x00
          Interlaced stream or variable: No
          Fields per frame: 1 fields
          Field 1 first: No
          Field pattern: Field 1 only
          bCopyProtect                      0
      VideoStreaming Interface Descriptor:
        bLength                            30
        bDescriptorType                    36
        bDescriptorSubtype                  5 (FRAME_UNCOMPRESSED)
        bFrameIndex                         1
        bmCapabilities                   0x00
          Still image unsupported
        wWidth                            640
        wHeight                           480
        dwMinBitRate                147456000
        dwMaxBitRate                147456000
        dwMaxVideoFrameBufferSize      614400
        dwDefaultFrameInterval         333333
        bFrameIntervalType                  1
        dwFrameInterval( 0)            333333
      VideoStreaming Interface Descriptor:
        bLength                            30
        bDescriptorType                    36
        bDescriptorSubtype                  5 (FRAME_UNCOMPRESSED)
        bFrameIndex                         2
        bmCapabilities                   0x00
          Still image unsupported
        wWidth                            176
        wHeight                           144
        dwMinBitRate                 12165120
        dwMaxBitRate                 12165120
        dwMaxVideoFrameBufferSize       50688
        dwDefaultFrameInterval         333333
        bFrameIntervalType                  1
        dwFrameInterval( 0)            333333
      VideoStreaming Interface Descriptor:
        bLength                            30
        bDescriptorType                    36
        bDescriptorSubtype                  5 (FRAME_UNCOMPRESSED)
        bFrameIndex                         3
        bmCapabilities                   0x00
          Still image unsupported
        wWidth                            320
        wHeight                           240
        dwMinBitRate                 36864000
        dwMaxBitRate                 36864000
        dwMaxVideoFrameBufferSize      153600
        dwDefaultFrameInterval         333333
        bFrameIntervalType                  1
        dwFrameInterval( 0)            333333
      VideoStreaming Interface Descriptor:
        bLength                            30
        bDescriptorType                    36
        bDescriptorSubtype                  5 (FRAME_UNCOMPRESSED)
        bFrameIndex                         4
        bmCapabilities                   0x00
          Still image unsupported
        wWidth                            352
        wHeight                           288
        dwMinBitRate                 48660480
        dwMaxBitRate                 48660480
        dwMaxVideoFrameBufferSize      202752
        dwDefaultFrameInterval         333333
        bFrameIntervalType                  1
        dwFrameInterval( 0)            333333
      VideoStreaming Interface Descriptor:
        bLength                            30
        bDescriptorType                    36
        bDescriptorSubtype                  5 (FRAME_UNCOMPRESSED)
        bFrameIndex                         5
        bmCapabilities                   0x00
          Still image unsupported
        wWidth                           1280
        wHeight                           720
        dwMinBitRate                   912384
        dwMaxBitRate                   912384
        dwMaxVideoFrameBufferSize     3932160
        dwDefaultFrameInterval        1000000
        bFrameIntervalType                  1
        dwFrameInterval( 0)           1000000
      VideoStreaming Interface Descriptor:
        bLength                            30
        bDescriptorType                    36
        bDescriptorSubtype                  5 (FRAME_UNCOMPRESSED)
        bFrameIndex                         6
        bmCapabilities                   0x00
          Still image unsupported
        wWidth                           1280
        wHeight                          1024
        dwMinBitRate                104857600
        dwMaxBitRate                104857600
        dwMaxVideoFrameBufferSize     2621440
        dwDefaultFrameInterval        5000000
        bFrameIntervalType                  1
        dwFrameInterval( 0)           5000000
      VideoStreaming Interface Descriptor:
        bLength                            30
        bDescriptorType                    36
        bDescriptorSubtype                  5 (FRAME_UNCOMPRESSED)
        bFrameIndex                         7
        bmCapabilities                   0x00
          Still image unsupported
        wWidth                           1600
        wHeight                          1200
        dwMinBitRate                153600000
        dwMaxBitRate                153600000
        dwMaxVideoFrameBufferSize     3840000
        dwDefaultFrameInterval        5000000
        bFrameIntervalType                  1
        dwFrameInterval( 0)           5000000
      VideoStreaming Interface Descriptor:
        bLength                            30
        bDescriptorType                    36
        bDescriptorSubtype                  5 (FRAME_UNCOMPRESSED)
        bFrameIndex                         8
        bmCapabilities                   0x00
          Still image unsupported
        wWidth                           1920
        wHeight                          1080
        dwMinBitRate                165888000
        dwMaxBitRate                165888000
        dwMaxVideoFrameBufferSize     4147200
        dwDefaultFrameInterval        2000000
        bFrameIntervalType                  1
        dwFrameInterval( 0)           2000000
      VideoStreaming Interface Descriptor:
        bLength                            30
        bDescriptorType                    36
        bDescriptorSubtype                  5 (FRAME_UNCOMPRESSED)
        bFrameIndex                         9
        bmCapabilities                   0x00
          Still image unsupported
        wWidth                           2592
        wHeight                          1944
        dwMinBitRate                161243136
        dwMaxBitRate                161243136
        dwMaxVideoFrameBufferSize    10077696
        dwDefaultFrameInterval        5000000
        bFrameIntervalType                  1
        dwFrameInterval( 0)           5000000
      VideoStreaming Interface Descriptor:
        bLength                            43
        bDescriptorType                    36
        bDescriptorSubtype                  3 (STILL_IMAGE_FRAME)
        bEndpointAddress                    0
        bNumImageSizePatterns               9
        wWidth( 0)                        640
        wHeight( 0)                       480
        wWidth( 1)                        176
        wHeight( 1)                       144
        wWidth( 2)                        320
        wHeight( 2)                       240
        wWidth( 3)                        352
        wHeight( 3)                       288
        wWidth( 4)                       1280
        wHeight( 4)                       720
        wWidth( 5)                       1280
        wHeight( 5)                      1024
        wWidth( 6)                       1600
        wHeight( 6)                      1200
        wWidth( 7)                       1920
        wHeight( 7)                      1080
        wWidth( 8)                       2592
        wHeight( 8)                      1944
        bNumCompressionPatterns             9
        bCompression( 0)                    1
      VideoStreaming Interface Descriptor:
        bLength                             6
        bDescriptorType                    36
        bDescriptorSubtype                 13 (COLORFORMAT)
        bColorPrimaries                     1 (BT.709,sRGB)
        bTransferCharacteristics            1 (BT.709)
        bMatrixCoefficients                 4 (SMPTE 170M (BT.601))
      VideoStreaming Interface Descriptor:
        bLength                            11
        bDescriptorType                    36
        bDescriptorSubtype                  6 (FORMAT_MJPEG)
        bFormatIndex                        2
        bNumFrameDescriptors                9
        bFlags                              1
          Fixed-size samples: Yes
        bDefaultFrameIndex                  1
        bAspectRatioX                       0
        bAspectRatioY                       0
        bmInterlaceFlags                 0x00
          Interlaced stream or variable: No
          Fields per frame: 1 fields
          Field 1 first: No
          Field pattern: Field 1 only
          bCopyProtect                      0
      VideoStreaming Interface Descriptor:
        bLength                            34
        bDescriptorType                    36
        bDescriptorSubtype                  7 (FRAME_MJPEG)
        bFrameIndex                         1
        bmCapabilities                   0x00
          Still image unsupported
        wWidth                            640
        wHeight                           480
        dwMinBitRate                 24576000
        dwMaxBitRate                147456000
        dwMaxVideoFrameBufferSize      614400
        dwDefaultFrameInterval         333333
        bFrameIntervalType                  2
        dwFrameInterval( 0)            333333
        dwFrameInterval( 1)            666666
      VideoStreaming Interface Descriptor:
        bLength                            34
        bDescriptorType                    36
        bDescriptorSubtype                  7 (FRAME_MJPEG)
        bFrameIndex                         2
        bmCapabilities                   0x00
          Still image unsupported
        wWidth                            176
        wHeight                           144
        dwMinBitRate                  1536000
        dwMaxBitRate                  9216000
        dwMaxVideoFrameBufferSize       38400
        dwDefaultFrameInterval         333333
        bFrameIntervalType                  2
        dwFrameInterval( 0)            333333
        dwFrameInterval( 1)            666666
      VideoStreaming Interface Descriptor:
        bLength                            34
        bDescriptorType                    36
        bDescriptorSubtype                  7 (FRAME_MJPEG)
        bFrameIndex                         3
        bmCapabilities                   0x00
          Still image unsupported
        wWidth                            320
        wHeight                           240
        dwMinBitRate                  6144000
        dwMaxBitRate                 36864000
        dwMaxVideoFrameBufferSize      153600
        dwDefaultFrameInterval         333333
        bFrameIntervalType                  2
        dwFrameInterval( 0)            333333
        dwFrameInterval( 1)            666666
      VideoStreaming Interface Descriptor:
        bLength                            34
        bDescriptorType                    36
        bDescriptorSubtype                  7 (FRAME_MJPEG)
        bFrameIndex                         4
        bmCapabilities                   0x00
          Still image unsupported
        wWidth                            352
        wHeight                           288
        dwMinBitRate                  8110080
        dwMaxBitRate                 48660480
        dwMaxVideoFrameBufferSize      202752
        dwDefaultFrameInterval         333333
        bFrameIntervalType                  2
        dwFrameInterval( 0)            333333
        dwFrameInterval( 1)            666666
      VideoStreaming Interface Descriptor:
        bLength                            34
        bDescriptorType                    36
        bDescriptorSubtype                  7 (FRAME_MJPEG)
        bFrameIndex                         5
        bmCapabilities                   0x00
          Still image unsupported
        wWidth                           1280
        wHeight                           720
        dwMinBitRate                 81920000
        dwMaxBitRate                491520000
        dwMaxVideoFrameBufferSize     2048000
        dwDefaultFrameInterval         333333
        bFrameIntervalType                  2
        dwFrameInterval( 0)            333333
        dwFrameInterval( 1)            666666
      VideoStreaming Interface Descriptor:
        bLength                            34
        bDescriptorType                    36
        bDescriptorSubtype                  7 (FRAME_MJPEG)
        bFrameIndex                         6
        bmCapabilities                   0x00
          Still image unsupported
        wWidth                           1280
        wHeight                          1024
        dwMinBitRate                  2027520
        dwMaxBitRate                 12165120
        dwMaxVideoFrameBufferSize       50688
        dwDefaultFrameInterval         666666
        bFrameIntervalType                  2
        dwFrameInterval( 0)            666666
        dwFrameInterval( 1)           1000000
      VideoStreaming Interface Descriptor:
        bLength                            34
        bDescriptorType                    36
        bDescriptorSubtype                  7 (FRAME_MJPEG)
        bFrameIndex                         7
        bmCapabilities                   0x00
          Still image unsupported
        wWidth                           1600
        wHeight                          1200
        dwMinBitRate                153600000
        dwMaxBitRate                307200000
        dwMaxVideoFrameBufferSize     3840000
        dwDefaultFrameInterval         666666
        bFrameIntervalType                  2
        dwFrameInterval( 0)            666666
        dwFrameInterval( 1)           1000000
      VideoStreaming Interface Descriptor:
        bLength                            34
        bDescriptorType                    36
        bDescriptorSubtype                  7 (FRAME_MJPEG)
        bFrameIndex                         8
        bmCapabilities                   0x00
          Still image unsupported
        wWidth                           1920
        wHeight                          1080
        dwMinBitRate                165888000
        dwMaxBitRate                995328000
        dwMaxVideoFrameBufferSize     4147200
        dwDefaultFrameInterval         333333
        bFrameIntervalType                  2
        dwFrameInterval( 0)            333333
        dwFrameInterval( 1)            666666
      VideoStreaming Interface Descriptor:
        bLength                            30
        bDescriptorType                    36
        bDescriptorSubtype                  7 (FRAME_MJPEG)
        bFrameIndex                         9
        bmCapabilities                   0x00
          Still image unsupported
        wWidth                           2592
        wHeight                          1944
        dwMinBitRate                161243136
        dwMaxBitRate                161243136
        dwMaxVideoFrameBufferSize    10077696
        dwDefaultFrameInterval        5000000
        bFrameIntervalType                  1
        dwFrameInterval( 0)           5000000
      VideoStreaming Interface Descriptor:
        bLength                            46
        bDescriptorType                    36
        bDescriptorSubtype                  3 (STILL_IMAGE_FRAME)
        bEndpointAddress                    0
        bNumImageSizePatterns               9
        wWidth( 0)                        640
        wHeight( 0)                       480
        wWidth( 1)                        176
        wHeight( 1)                       144
        wWidth( 2)                        320
        wHeight( 2)                       240
        wWidth( 3)                        352
        wHeight( 3)                       288
        wWidth( 4)                       1280
        wHeight( 4)                       720
        wWidth( 5)                       1280
        wHeight( 5)                      1024
        wWidth( 6)                       1600
        wHeight( 6)                      1200
        wWidth( 7)                       1920
        wHeight( 7)                      1080
        wWidth( 8)                       2592
        wHeight( 8)                      1944
        bNumCompressionPatterns             9
        bCompression( 0)                    1
        bCompression( 1)                    5
        bCompression( 2)                   10
        bCompression( 3)                   20
      VideoStreaming Interface Descriptor:
        bLength                             6
        bDescriptorType                    36
        bDescriptorSubtype                 13 (COLORFORMAT)
        bColorPrimaries                     1 (BT.709,sRGB)
        bTransferCharacteristics            1 (BT.709)
        bMatrixCoefficients                 4 (SMPTE 170M (BT.601))
    Interface Descriptor:
      bLength                 9
      bDescriptorType         4
      bInterfaceNumber        1
      bAlternateSetting       1
      bNumEndpoints           1
      bInterfaceClass        14 Video
      bInterfaceSubClass      2 Video Streaming
      bInterfaceProtocol      0
      iInterface              0
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x81  EP 1 IN
        bmAttributes            5
          Transfer Type            Isochronous
          Synch Type               Asynchronous
          Usage Type               Data
        wMaxPacketSize     0x00c0  1x 192 bytes
        bInterval               1
    Interface Descriptor:
      bLength                 9
      bDescriptorType         4
      bInterfaceNumber        1
      bAlternateSetting       2
      bNumEndpoints           1
      bInterfaceClass        14 Video
      bInterfaceSubClass      2 Video Streaming
      bInterfaceProtocol      0
      iInterface              0
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x81  EP 1 IN
        bmAttributes            5
          Transfer Type            Isochronous
          Synch Type               Asynchronous
          Usage Type               Data
        wMaxPacketSize     0x0180  1x 384 bytes
        bInterval               1
    Interface Descriptor:
      bLength                 9
      bDescriptorType         4
      bInterfaceNumber        1
      bAlternateSetting       3
      bNumEndpoints           1
      bInterfaceClass        14 Video
      bInterfaceSubClass      2 Video Streaming
      bInterfaceProtocol      0
      iInterface              0
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x81  EP 1 IN
        bmAttributes            5
          Transfer Type            Isochronous
          Synch Type               Asynchronous
          Usage Type               Data
        wMaxPacketSize     0x0200  1x 512 bytes
        bInterval               1
    Interface Descriptor:
      bLength                 9
      bDescriptorType         4
      bInterfaceNumber        1
      bAlternateSetting       4
      bNumEndpoints           1
      bInterfaceClass        14 Video
      bInterfaceSubClass      2 Video Streaming
      bInterfaceProtocol      0
      iInterface              0
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x81  EP 1 IN
        bmAttributes            5
          Transfer Type            Isochronous
          Synch Type               Asynchronous
          Usage Type               Data
        wMaxPacketSize     0x0280  1x 640 bytes
        bInterval               1
    Interface Descriptor:
      bLength                 9
      bDescriptorType         4
      bInterfaceNumber        1
      bAlternateSetting       5
      bNumEndpoints           1
      bInterfaceClass        14 Video
      bInterfaceSubClass      2 Video Streaming
      bInterfaceProtocol      0
      iInterface              0
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x81  EP 1 IN
        bmAttributes            5
          Transfer Type            Isochronous
          Synch Type               Asynchronous
          Usage Type               Data
        wMaxPacketSize     0x0320  1x 800 bytes
        bInterval               1
    Interface Descriptor:
      bLength                 9
      bDescriptorType         4
      bInterfaceNumber        1
      bAlternateSetting       6
      bNumEndpoints           1
      bInterfaceClass        14 Video
      bInterfaceSubClass      2 Video Streaming
      bInterfaceProtocol      0
      iInterface              0
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x81  EP 1 IN
        bmAttributes            5
          Transfer Type            Isochronous
          Synch Type               Asynchronous
          Usage Type               Data
        wMaxPacketSize     0x03b0  1x 944 bytes
        bInterval               1
    Interface Descriptor:
      bLength                 9
      bDescriptorType         4
      bInterfaceNumber        1
      bAlternateSetting       7
      bNumEndpoints           1
      bInterfaceClass        14 Video
      bInterfaceSubClass      2 Video Streaming
      bInterfaceProtocol      0
      iInterface              0
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x81  EP 1 IN
        bmAttributes            5
          Transfer Type            Isochronous
          Synch Type               Asynchronous
          Usage Type               Data
        wMaxPacketSize     0x0a80  2x 640 bytes
        bInterval               1
    Interface Descriptor:
      bLength                 9
      bDescriptorType         4
      bInterfaceNumber        1
      bAlternateSetting       8
      bNumEndpoints           1
      bInterfaceClass        14 Video
      bInterfaceSubClass      2 Video Streaming
      bInterfaceProtocol      0
      iInterface              0
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x81  EP 1 IN
        bmAttributes            5
          Transfer Type            Isochronous
          Synch Type               Asynchronous
          Usage Type               Data
        wMaxPacketSize     0x0b20  2x 800 bytes
        bInterval               1
    Interface Descriptor:
      bLength                 9
      bDescriptorType         4
      bInterfaceNumber        1
      bAlternateSetting       9
      bNumEndpoints           1
      bInterfaceClass        14 Video
      bInterfaceSubClass      2 Video Streaming
      bInterfaceProtocol      0
      iInterface              0
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x81  EP 1 IN
        bmAttributes            5
          Transfer Type            Isochronous
          Synch Type               Asynchronous
          Usage Type               Data
        wMaxPacketSize     0x0be0  2x 992 bytes
        bInterval               1
    Interface Descriptor:
      bLength                 9
      bDescriptorType         4
      bInterfaceNumber        1
      bAlternateSetting      10
      bNumEndpoints           1
      bInterfaceClass        14 Video
      bInterfaceSubClass      2 Video Streaming
      bInterfaceProtocol      0
      iInterface              0
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x81  EP 1 IN
        bmAttributes            5
          Transfer Type            Isochronous
          Synch Type               Asynchronous
          Usage Type               Data
        wMaxPacketSize     0x1380  3x 896 bytes
        bInterval               1
    Interface Descriptor:
      bLength                 9
      bDescriptorType         4
      bInterfaceNumber        1
      bAlternateSetting      11
      bNumEndpoints           1
      bInterfaceClass        14 Video
      bInterfaceSubClass      2 Video Streaming
      bInterfaceProtocol      0
      iInterface              0
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x81  EP 1 IN
        bmAttributes            5
          Transfer Type            Isochronous
          Synch Type               Asynchronous
          Usage Type               Data
        wMaxPacketSize     0x13fc  3x 1020 bytes
        bInterval               1
Device Qualifier (for other device speed):
  bLength                10
  bDescriptorType         6
  bcdUSB               2.00
  bDeviceClass          239 Miscellaneous Device
  bDeviceSubClass         2 ?
  bDeviceProtocol         1 Interface Association
  bMaxPacketSize0        64
  bNumConfigurations      1
Device Status:     0x0000
  (Bus Powered)

Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Device Descriptor:
  bLength                18
  bDescriptorType         1
  bcdUSB               1.10
  bDeviceClass            9 Hub
  bDeviceSubClass         0 Unused
  bDeviceProtocol         0 Full speed (or root) hub
  bMaxPacketSize0        64
  idVendor           0x1d6b Linux Foundation
  idProduct          0x0001 1.1 root hub
  bcdDevice            2.06
  iManufacturer           3 Linux 2.6.33-rc4 ohci_hcd
  iProduct                2 DA8xx OHCI
  iSerial                 1 ohci.0
  bNumConfigurations      1
  Configuration Descriptor:
    bLength                 9
    bDescriptorType         2
    wTotalLength           25
    bNumInterfaces          1
    bConfigurationValue     1
    iConfiguration          0
    bmAttributes         0xe0
      Self Powered
      Remote Wakeup
    MaxPower                0mA
    Interface Descriptor:
      bLength                 9
      bDescriptorType         4
      bInterfaceNumber        0
      bAlternateSetting       0
      bNumEndpoints           1
      bInterfaceClass         9 Hub
      bInterfaceSubClass      0 Unused
      bInterfaceProtocol      0 Full speed (or root) hub
      iInterface              0
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x81  EP 1 IN
        bmAttributes            3
          Transfer Type            Interrupt
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x0002  1x 2 bytes
        bInterval             255
Hub Descriptor:
  bLength               9
  bDescriptorType      41
  nNbrPorts             1
  wHubCharacteristic 0x0002
    No power switching (usb 1.0)
    Ganged overcurrent protection
  bPwrOn2PwrGood        2 * 2 milli seconds
  bHubContrCurrent      0 milli Ampere
  DeviceRemovable    0x00
  PortPwrCtrlMask    0xff
 Hub Port Status:
   Port 1: 0000.0100 power
Device Status:     0x0003
  Self Powered
  Remote Wakeup Enabled
root@am180x-evm:/home#

  • 0 in reply to lofna kumari
    Guru 31670 points

    lofna,

    Sorry for my delayed response. This looks like a crash in the kernel driver when you tried to change the mode. This needs to be further debugged from the driver. This has something to do with buffer allocations. If you are still facing the problem do let me know. 

  • 0 in reply to Renjith Thomas
    Expert 2785 points

    Dear Renjith,

    Still i am facing the same issue using the same camera module working on different evm am335x and got the same issue.

    Please find the issue:

    [   33.043853] uvcvideo: Found UVC 1.00 device 5M Web Camera     (04f2:b355)
    [   33.066375] input: 5M Web Camera     as /devices/platform/omap/musb-ti81xx/musb-hdrc.0/usb2/2-1/2-1:1.0/input/input1
    **

    root@am335x-evm:/home# lsusb
    Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
    Bus 001 Device 002: ID 04b4:6572 Cypress Semiconductor Corp.
    Bus 001 Device 003: ID 10c4:ea60 Cygnal Integrated Products, Inc. CP210x UART Bridge / myAVR mySmartUSB light
    Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
    Bus 002 Device 002: ID 04f2:b355 Chicony Electronics Co., Ltd

    Please help me  where this is giving issue. when i tried to capture the image using gstreamer it is working below resolutions

    Working resolutions:

    width=320,height=240,framerate=30/1
    width=352,height=288,framerate=30/1

    got the log while using the above resolutions and got the preview image on lcd:

    Setting pipeline to PAUSED ...
    Pipeline is live and does not need PREROLL ...
    Setting pipeline to PLAYING ...
    New clock: GstSystemClock

    Not working resolutions:
    width=640,height=480,framerate=30/1

    width=640,height=480,framerate=15/1

    got the error log while running the gstreamer on the console

    Setting pipeline to PAUSED ...
    ERROR: Pipeline doesn't want to pause.
    ERROR: from element /GstPipeline:pipeline0/GstV4l2Src:v4l2src0: Could not negotiate format
    Additional debug info:
    gstbasesrc.c(2830): gst_base_src_start (): /GstPipeline:pipeline0/GstV4l2Src:v4l2src0:
    Check your filtered caps, if any
    Setting pipeline to NULL ...
    Freeing pipeline ...

    suggest me if any other modifications required

    Thanks,

    Lofna