Hi ,
My customer came across an issue about oops issue.
SDK version: ti-sdk-am37x-evm-06.00.00.00
HW: customer's board
When they test the board, it will report oops issue sometimes.
The log as follows:
kernel BUG at mm/slab.c:3057! Unable to handle kernel NULL pointer dereference at virtual address 00000000 pgd = df204000 [00000000] *pgd=9f374031, *pte=00000000, *ppte=00000000 Internal error: Oops: 817 [#1] last sysfs file: /sys/devices/platform/ehci-omap.0/usb1/product Modules linked in: led_rtk led_sat cp210x msp430 gpio_en_oem bt_enable [last unloaded: led_rtk] CPU: 0 Not tainted (2.6.37 #152) PC is at __bug+0x24/0x30 LR is at release_console_sem+0x17c/0x190 pc : [<c0044898>] lr : [<c006b29c>] psr: 20000093 sp : df355b30 ip : df355a50 fp : df355b3c r10: 00000000 r9 : 00000050 r8 : ca72f108 r7 : ca72f0dc r6 : df802880 r5 : df80ce00 r4 : df80be40 r3 : 00000000 r2 : 00000001 r1 : 000038c6 r0 : 00000024 Flags: nzCv IRQs off FIQs on Mode SVC_32 ISA ARM Segment user Control: 10c5387d Table: 9f204019 DAC: 00000015
PC: 0xc0044818: 4818 ebffffcb e5943000 e5942004 e1530002 35942008 33e01000 37821103 32833001 4838 35843000 e24bd010 e89da810 c004478c c004466c e1a0c00d e92dd800 e24cb004 4858 e1a0200d e3c23d7f e3c3303f e1a01000 e593000c ebffffc6 e89da800 e1a0c00d 4878 e92dd800 e24cb004 e1a03000 e1a02001 e59f0010 e1a01003 eb0f57ee e3a03000 4898 e5833000 eafffffe c04e3989 e1a0c00d e92dd800 e24cb004 e59f0004 e30012e1 48b8 ebffffed c04e39a2 e1a0c00d e92dd800 e24cb004 e1a01000 e59f000c eb0f57dd 48d8 e59f0008 e30012c5 ebffffe3 c04e39ba c04e39a2 e1a0c00d e92dd800 e24cb004 48f8 e1a02000 e1a03001 e59f0010 e1a0100e eb0f57d0 e59f0008 e3001299 ebffffd6
LR: 0xc006b21c: b21c e5943054 e1a01005 e3530000 b594300c b5843054 e5942054 ebfffce2 e1550006 b23c e5849054 1affffd3 ea000005 e894000c e2433001 e1a05000 e1550006 1affffea b25c e1a05000 e1a00005 e1a01006 e5942054 ebfffcd4 e121f007 eaffffb6 e59f3020 b27c e3a02000 e5832020 e59f0018 eb0079b3 e121f007 e35a0000 089daff8 ebffff93 b29c e89daff8 c058c130 c055e9dc c055e9a4 c04ea93e e1a0c00d e92dd830 e24cb004 b2bc e1a04000 ebfffd74 e59f207c e5923000 e1530004 05943034 05823000 0a000007 b2dc e3530000 15932034 1a000008 ea000009 e1520004 1a000003 e5942034 e5832034 b2fc e3a05000 ea000004 e1a03002 e5922034 e3520000 1afffff5 e3a05001 e59f3028
SP: 0xdf355ab0: 5ab0 df1e8880 df1e88b0 df355aec df355ac8 c006606c ffffffff df355b1c df802880 5ad0 ca72f0dc ca72f108 df355b3c df355ae8 c041c86c c00361c8 00000024 000038c6 5af0 00000001 00000000 df80be40 df80ce00 df802880 ca72f0dc ca72f108 00000050 5b10 00000000 df355b3c df355a50 df355b30 c006b29c c0044898 20000093 ffffffff 5b30 df355b7c df355b40 c00e9c28 c0044880 df802888 df802890 ca72fec8 00000010 5b50 c00c5244 c08ac600 df80be40 00008050 20000013 00008050 00000000 c010fe4c 5b70 df355bac df355b80 c00ea908 c00e9b00 00000018 000200da c08ac600 00000000 5b90 00000e00 00000200 00000001 c08ac600 df355bc4 df355bb0 c010fe4c c00ea8b0
IP: 0xdf3559d0: 59d0 0000001e c058c130 df355a14 df3559e8 c026fb00 c0269624 c026faa4 c0574cc8 59f0 000038a8 c055e9a4 0000001e c058c130 ffffffff ffffffdf df355a34 00000817 5a10 00000007 00000000 c05523bc df355ae8 20000193 00000000 df355ae4 df355a38 5a30 c00361f4 c041e550 c058c130 c055e9a4 df355a7c df355a50 c006b29c c006b0f8 5a50 c055e9a4 00000024 c058c202 c055e9a4 00000000 c04e3989 00000050 df355b24 5a70 df355b04 df355a80 c006b6e0 c006b12c df355a9c df355a90 4620d6e8 00005ae6 5a90 00000000 df024880 00000032 60000093 00005ae6 df1e8880 df1e88b0 c055e458 5ab0 df1e8880 df1e88b0 df355aec df355ac8 c006606c ffffffff df355b1c df802880
FP: 0xdf355abc: 5abc df355ac8 c006606c ffffffff df355b1c df802880 ca72f0dc ca72f108 df355b3c 5adc df355ae8 c041c86c c00361c8 00000024 000038c6 00000001 00000000 df80be40 5afc df80ce00 df802880 ca72f0dc ca72f108 00000050 00000000 df355b3c df355a50 5b1c df355b30 c006b29c c0044898 20000093 ffffffff df355b7c df355b40 c00e9c28 5b3c c0044880 df802888 df802890 ca72fec8 00000010 c00c5244 c08ac600 df80be40 5b5c 00008050 20000013 00008050 00000000 c010fe4c df355bac df355b80 c00ea908 5b7c c00e9b00 00000018 000200da c08ac600 00000000 00000e00 00000200 00000001 5b9c c08ac600 df355bc4 df355bb0 c010fe4c c00ea8b0 00000009 c08ac600 df355bf4
R4: 0xdf80bdc0: bdc0 df80cc00 0000003c 00000078 00000000 00000080 02000000 00042000 0000001e bde0 00000000 00000000 00000001 00000040 00000000 000000c0 00000000 00000000 be00 c0505a3e df80be84 df80bd84 df802840 00000000 00000000 00000000 00000000 be20 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 be40 df80ce00 0000003c 00000078 00000000 00000040 04000000 00160000 0000003b be60 00000000 00000000 00000000 00000040 00000000 00000108 00000000 00000000 be80 c04f3aa4 df80bf04 df80be04 df802880 00000000 00000000 00000000 00000000 bea0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
R5: 0xdf80cd80: cd80 00000242 5041003a 0c402b41 80202b48 a000b000 00451000 0b002162 04402106 cda0 00800001 c2a8012c 00500200 81091805 00640604 20000040 10808000 20111401 cdc0 08c00015 21640813 10401664 01003000 0440004c 06801050 81880481 0810014b cde0 06001242 00001550 12138041 110800d0 01d01102 00101002 a2301210 60810210 ce00 00000014 00000078 0000003c 00000001 ca72b648 ca72b608 ca72f148 ca72f108 ce20 ca72fe88 ca72f348 ca72f308 ca72f2c8 ca72fa48 ca72fa08 ca72f9c8 ca72f988 ce40 ca72fe48 ca72fe08 ca72fdc8 ca72fd88 ca72ff88 ca72ff48 ca72ff08 ca72fec8 ce60 ca72a3c8 ca72ae88 ca72ae48 ca72d288 ca72d248 ca72d208 ca72d7c8 ca72d788
R6: 0xdf802800: 2800 00000000 00000008 00000004 00000000 df390000 4c000203 0004520c 80080090 2820 101a4314 20080000 10080780 220c1102 40200122 04000621 00201000 08100050 2840 dfadd000 dfadd000 df802848 df802848 df802850 df802850 0000001d 00000096 2860 00000000 00000000 00000000 00385603 00000000 c8008021 880b2408 a1104001 2880 ca72f000 d6105000 ca72b000 ca775000 df802890 df802890 0000b70c 000000b3 28a0 00000000 00000000 00000000 00385603 00000000 22c06030 02200010 0c8c8200 28c0 df802c00 df802dc0 00000000 df80c000 00000008 ffffffff 00240000 00000001 28e0 00000002 00000003 00000004 00000005 00000006 00000007 ffffffff 0000180a
R7: 0xca72f05c: f05c 0000000f 00000010 00000011 00000012 00000013 00000014 00000017 00000018 f07c 00000019 0000001a ffffffff 0000001a 0000001b 0000001c 0000001f 00000020 f09c 00000021 00000022 00000035 00000022 00000023 00000024 00000027 00000028 f0bc 00000029 0000002a 0000002b 0000002c 0000002d ffffffff 0000001d 0000002e f0dc 0000002f 00000030 0000003a 00000032 00000033 00000034 00000009 feffffff f0fc 00000037 00000038 00000039 00000021 ca72f148 c0759560 00000000 0057d666 f11c 00000000 00000200 cbfabc00 df402c80 00000000 00000000 ca72f134 ca72f134 f13c 00000000 00000000 00000000 00000021 ca553a88 c0759560 00000000 0057d667
R8: 0xca72f088: f088 0000001a 0000001b 0000001c 0000001f 00000020 00000021 00000022 00000035 f0a8 00000022 00000023 00000024 00000027 00000028 00000029 0000002a 0000002b f0c8 0000002c 0000002d ffffffff 0000001d 0000002e 0000002f 00000030 0000003a f0e8 00000032 00000033 00000034 00000009 feffffff 00000037 00000038 00000039 f108 00000021 ca72f148 c0759560 00000000 0057d666 00000000 00000200 cbfabc00 f128 df402c80 00000000 00000000 ca72f134 ca72f134 00000000 00000000 00000000 f148 00000021 ca553a88 c0759560 00000000 0057d667 00000000 00000200 cbfabe00 f168 df402c80 00000000 00000000 ca72f174 ca72f174 00000000 00000000 00000000 Process record (pid: 1765, stack limit = 0xdf3542f0) Stack: (0xdf355b30 to 0xdf356000) 5b20: df355b7c df355b40 c00e9c28 c0044880 5b40: df802888 df802890 ca72fec8 00000010 c00c5244 c08ac600 df80be40 00008050 5b60: 20000013 00008050 00000000 c010fe4c df355bac df355b80 c00ea908 c00e9b00 5b80: 00000018 000200da c08ac600 00000000 00000e00 00000200 00000001 c08ac600 5ba0: df355bc4 df355bb0 c010fe4c c00ea8b0 00000009 c08ac600 df355bf4 df355bc8 5bc0: c011049c c010fe3c 00000009 c08ac600 00000000 00000000 00001000 00000200 5be0: 00000000 df355d88 df355c0c df355bf8 c011054c c0110478 c08ac600 00000000 5c00: df355c84 df355c10 c0112720 c011053c df355c3c df355c20 c00bfb40 c023b658 5c20: c08ac600 00000000 df52a1e8 c08ac600 df355c54 df355c40 c00bfc9c c00c8180 5c40: c08ac600 00000000 df355c84 df355c58 c00bfd14 c00bfc2c 00000000 2b868000 5c60: c08ac600 00000000 00000000 2b868000 00000000 df355d88 df355cac df355c88 5c80: c0112b50 c011269c 00001000 c01a47cc 00000000 00000000 df52a290 00000000 5ca0: df355d14 df355cb0 c0112ec0 c0112b0c 00001000 00000000 df355d9c c01a47cc 5cc0: 000001ff 00000000 0002b868 000001ff 00000200 df0322c0 2b868000 00000000 5ce0: df355d04 df355cf0 c0081194 00001000 df52a290 2b868000 00000000 c04352bc 5d00: df355f10 df355d88 df355d54 df355d18 c01a4da8 c0112b8c 00001000 00000000 5d20: df355d9c df355d98 c01a47cc df52a1c0 c00659ac df52a290 df354000 00001000 5d40: 00000000 c04352bc df355dcc df355d58 c00bf088 c01a4d5c 00001000 00000000 5d60: df355d9c df355d98 c006ec24 00000000 00001000 00000000 df0322c0 00000000 5d80: 2b868000 00000000 df355f10 00000001 00000000 00001000 52d6eb56 00000000 5da0: c007f0f0 2b868000 00000000 df52a1e8 00001000 00000000 df355f10 df0322c0 5dc0: df355e54 df355dd0 c00c0a38 c00befac 2b868000 00000000 df355ed0 00001000 5de0: 00000000 00005ae6 00000000 df52a290 df355ed0 df355f10 00005ae6 df1e8880 5e00: df355e98 c055e458 c055e1a8 00000001 df355e3c df355e20 c0061504 c0061284 5e20: c058b498 00001000 000071d5 2b868000 df0322c0 df52a264 00000000 df355e98 5e40: df355f10 00000001 df355e8c df355e58 c00c0af8 c00c0658 df355e80 2563aaf4 5e60: df355eb4 df0322c0 df355e98 df355f70 df355f10 fffffdee df354000 00000000 5e80: df355f3c df355e90 c00ec68c c00c0a90 2b868000 00000000 2579c6d1 00000000 5ea0: 00000000 00000001 ffffffff df0322c0 00000000 00000000 00000000 00000000 5ec0: df1e8880 00000000 00000000 00000000 2b868000 00000000 c020fe64 c0210b44 5ee0: 00001000 df1f601c 00001000 2b868000 00000000 df0322c0 df355f3c df355f08 5f00: c00ecb14 c020fe48 c055e458 df1e8c00 40392000 00001000 c041b010 00001000 5f20: df0322c0 40392000 df355f70 00001000 df355f6c df355f40 c00ecdbc c00ec5f0 5f40: c009e94c c004ceec c0562d98 df0322c0 40392000 2b868000 00000000 00001000 5f60: df355fa4 df355f70 c00ed040 c00ecd0c 2b868000 00000000 df355f94 00000000 5f80: c007062c 00001000 40392000 0002a020 00000004 c0040808 00000000 df355fa8 5fa0: c0040660 c00ed008 00001000 40392000 00000005 40392000 00001000 00000000 5fc0: 00001000 40392000 0002a020 00000004 00001000 4002b4c0 000c8c14 0000001e 5fe0: 00000000 bea835c0 4022e4e8 402809bc 60000010 00000005 00000000 00000000 Backtrace: [<c0044874>] (__bug+0x0/0x30) from [<c00e9c28>] (cache_alloc_refill+0x134/0x528) [<c00e9af4>] (cache_alloc_refill+0x0/0x528) from [<c00ea908>] (kmem_cache_alloc+0x64/0x104) [<c00ea8a4>] (kmem_cache_alloc+0x0/0x104) from [<c010fe4c>] (alloc_buffer_head+0x1c/0x54) [<c010fe30>] (alloc_buffer_head+0x0/0x54) from [<c011049c>] (alloc_page_buffers+0x30/0xc4) r4:c08ac600 r3:00000009 [<c011046c>] (alloc_page_buffers+0x0/0xc4) from [<c011054c>] (create_empty_buffers+0x1c/0x104) [<c0110530>] (create_empty_buffers+0x0/0x104) from [<c0112720>] (__block_write_begin+0x90/0x470) r5:00000000 r4:c08ac600 [<c0112690>] (__block_write_begin+0x0/0x470) from [<c0112b50>] (block_write_begin+0x50/0x80) [<c0112b00>] (block_write_begin+0x0/0x80) from [<c0112ec0>] (cont_write_begin+0x340/0x384) r6:00000000 r5:df52a290 r4:00000000 [<c0112b80>] (cont_write_begin+0x0/0x384) from [<c01a4da8>] (fat_write_begin+0x58/0x80) [<c01a4d50>] (fat_write_begin+0x0/0x80) from [<c00bf088>] (generic_file_buffered_write+0xe8/0x224) r8:c04352bc r7:00000000 r6:00001000 r5:df354000 r4:df52a290 [<c00befa0>] (generic_file_buffered_write+0x0/0x224) from [<c00c0a38>] (__generic_file_aio_write+0x3ec/0x438) [<c00c064c>] (__generic_file_aio_write+0x0/0x438) from [<c00c0af8>] (generic_file_aio_write+0x74/0xd8) [<c00c0a84>] (generic_file_aio_write+0x0/0xd8) from [<c00ec68c>] (do_sync_write+0xa8/0xe4) [<c00ec5e4>] (do_sync_write+0x0/0xe4) from [<c00ecdbc>] (vfs_write+0xbc/0x148) r8:00001000 r7:df355f70 r6:40392000 r5:df0322c0 r4:00001000 [<c00ecd00>] (vfs_write+0x0/0x148) from [<c00ed040>] (sys_write+0x44/0x70) r8:00001000 r7:00000000 r6:2b868000 r5:40392000 r4:df0322c0 [<c00ecffc>] (sys_write+0x0/0x70) from [<c0040660>] (ret_fast_syscall+0x0/0x30) r8:c0040808 r7:00000004 r6:0002a020 r5:40392000 r4:00001000 Code: e59f0010 e1a01003 eb0f57ee e3a03000 (e5833000) ---[ end trace 1b4c62e805862c42 ]---
Sometimes it will report when Linux is booting up.
Texas Instruments X-Loader 1.47 (Feb 13 2014 - 09:28:08) Booting from nand . . . Starting OS Bootloader...
U-Boot 2010.06-rc1 (10/29/2012 - 15:20:35)
OMAP34xx/35xx-GP ES2.1, CPU-OPP2 L3-165MHz OMAP3 Beagle board + LPDDR/NAND I2C: ready DRAM: 512 MiB NAND: 512 MiB *** Warning - bad CRC or NAND, using default environment
In: serial Out: serial Err: serial Beagle xM Rev A Die ID #0cc200029a180000015a67500a02c01c Booting from nand ...
NAND read: device 0 offset 0x280000, size 0x300000 3145728 bytes read: OK ## Booting kernel from Legacy Image at 80300000 ... Image Name: Linux-2.6.37 Image Type: ARM Linux Kernel Image (uncompressed) Data Size: 2841068 Bytes = 2.7 MiB Load Address: 80008000 Entry Point: 80008000 Verifying Checksum ... OK Loading Kernel Image ... OK OK
Starting kernel ...
Uncompressing Linux... done, booting the kernel. Linux version 2.6.37 (root@lu-pc) (gcc version 4.7.3 20130226 (prerelease) (crosstool-NG linaro-1.13.1-4.7-2013.03-20130313 - Linaro GCC 2013.03) ) #30 Wed Feb 12 11:17:23 HKT 2014 CPU: ARMv7 Processor [413fc082] revision 2 (ARMv7), cr=10c53c7d CPU: VIPT nonaliasing data cache, VIPT aliasing instruction cache Machine: OMAP3 Beagle Board Memory policy: ECC disabled, Data cache writeback OMAP3630 ES1.2 (l2cache sgx neon isp 192mhz_clk ) SRAM: Mapped pa 0x40200000 to va 0xfe400000 size: 0x10000 Built 1 zonelists in Zone order, mobility grouping on. Total pages: 130048 Kernel command line: console=ttyO2,115200n8 mpurate=800 ubi.mtd=4 root=ubi0:rootfs rootfstype=ubifs init=/sbin/init u-boot version 0203 PID hash table entries: 2048 (order: 1, 8192 bytes) Dentry cache hash table entries: 65536 (order: 6, 262144 bytes) Inode-cache hash table entries: 32768 (order: 5, 131072 bytes) Memory: 512MB = 512MB total Memory: 513744k/513744k available, 10544k reserved, 0K highmem Virtual kernel memory layout: vector : 0xffff0000 - 0xffff1000 ( 4 kB) fixmap : 0xfff00000 - 0xfffe0000 ( 896 kB) DMA : 0xffc00000 - 0xffe00000 ( 2 MB) vmalloc : 0xe0800000 - 0xf8000000 ( 376 MB) lowmem : 0xc0000000 - 0xe0000000 ( 512 MB) modules : 0xbf000000 - 0xc0000000 ( 16 MB) .init : 0xc0008000 - 0xc0036000 ( 184 kB) .text : 0xc0036000 - 0xc0553000 (5236 kB) .data : 0xc0554000 - 0xc05909c0 ( 243 kB) NR_IRQS:410 Clocking rate (Crystal/Core/MPU): 26.0/332/600 MHz Reprogramming SDRC clock to 332000000 Hz IRQ: Found an INTC at 0xfa200000 (revision 4.0) with 96 interrupts Total of 96 interrupts on 1 active controller GPMC revision 5.0 Trying to install interrupt handler for IRQ402 Trying to install interrupt handler for IRQ403 Trying to install interrupt handler for IRQ404 Trying to install interrupt handler for IRQ405 Trying to install interrupt handler for IRQ406 Trying to install interrupt handler for IRQ407 Trying to install interrupt handler for IRQ408 Trying to install interrupt handler for IRQ409 OMAP clockevent source: GPTIMER12 at 32768 Hz Console: colour dummy device 80x30 Calibrating delay loop... 476.81 BogoMIPS (lpj=1859584) pid_max: default: 32768 minimum: 301 Security Framework initialized Mount-cache hash table entries: 512 CPU: Testing write buffer coherency: ok regulator: core version 0.5 regulator: dummy: NET: Registered protocol family 16 OMAP GPIO hardware version 2.5 OMAP GPIO hardware version 2.5 OMAP GPIO hardware version 2.5 OMAP GPIO hardware version 2.5 OMAP GPIO hardware version 2.5 OMAP GPIO hardware version 2.5 omap_mux_init: Add partition: #1: core, flags: 0 Found NAND on CS0 Registering NAND on CS0 OEM: Power Enable hw-breakpoint: debug architecture 0x4 unsupported. Switched to new clocking rate (Crystal/Core/MPU): 26.0/332/800 MHz OMAP DMA hardware revision 5.0 bio: create slab <bio-0> at 0 SCSI subsystem initialized usbcore: registered new interface driver usbfs usbcore: registered new interface driver hub usbcore: registered new device driver usb omap_device: omap_i2c.1: new worst case activate latency 0: 30517 omap_i2c omap_i2c.1: bus 1 rev4.0 at 2600 kHz twl4030: PIH (irq 7) chaining IRQs 368..375 twl4030: power (irq 373) chaining IRQs 376..383 twl4030: gpio (irq 368) chaining IRQs 384..401 regulator: VUSB1V5: 1500 mV normal standby regulator: VUSB1V8: 1800 mV normal standby regulator: VUSB3V1: 3100 mV normal standby twl4030_usb twl4030_usb: Initialized TWL4030 USB module regulator: VIO: 1800 mV normal standby regulator: VMMC1: 1850 <--> 3150 mV at 3000 mV normal standby regulator: VMMC2: 1850 <--> 3150 mV at 2600 mV normal standby omap_device: omap_i2c.1: new worst case deactivate latency 0: 30517 omap_i2c omap_i2c.2: bus 2 rev4.0 at 400 kHz omap_i2c omap_i2c.3: bus 3 rev4.0 at 100 kHz Bluetooth: Core ver 2.15 NET: Registered protocol family 31 Bluetooth: HCI device and connection manager initialized Bluetooth: HCI socket layer initialized Switching to clocksource 32k_counter musb-hdrc: version 6.0, otg (peripheral+host), debug=0 musb-hdrc musb-hdrc.0: dma type: dma-inventra musb-hdrc musb-hdrc.0: USB OTG mode controller at fa0ab000 using DMA, IRQ 92 NET: Registered protocol family 2 IP route cache hash table entries: 4096 (order: 2, 16384 bytes) TCP established hash table entries: 16384 (order: 5, 131072 bytes) TCP bind hash table entries: 16384 (order: 4, 65536 bytes) TCP: Hash tables configured (established 16384 bind 16384) TCP reno registered UDP hash table entries: 256 (order: 0, 4096 bytes) UDP-Lite hash table entries: 256 (order: 0, 4096 bytes) NET: Registered protocol family 1 RPC: Registered udp transport module. RPC: Registered tcp transport module. RPC: Registered tcp NFSv4.1 backchannel transport module. NetWinder Floating Point Emulator V0.97 (double precision) omap_init_opp_table: no hwmod or odev for iva, [6] cannot add OPPs. omap-iommu omap-iommu.0: isp registered AM37x/DM37x Linux PSP version 04.02.00.07 (OMAP3BEAGLE) VFS: Disk quotas dquot_6.5.2 Dquot-cache hash table entries: 1024 (order 0, 4096 bytes) msgmni has been set to 1003 io scheduler noop registered io scheduler deadline registered io scheduler cfq registered (default) Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled omap_uart.0: ttyO0 at MMIO 0x4806a000 (irq = 72) is a OMAP UART0 omap_uart.1: ttyO1 at MMIO 0x4806c000 (irq = 73) is a OMAP UART1 omap_uart.2: ttyO2 at MMIO 0x49020000 (irq = 74) is a OMAP UART2 console [ttyO2] enabled brd: module loaded loop: module loaded at24 2-0051: 8192 byte 24c64 EEPROM (writable) omap2-nand driver initializing ONFI flash detected NAND device: Manufacturer ID: 0x2c, Chip ID: 0xbc (Micron ) cmdlinepart partition parsing not available Creating 6 MTD partitions on "omap2-nand.0": 0x000000260000-0x000000280000 : "Logo" 0x000000080000-0x000000240000 : "U-Boot" 0x000000240000-0x000000260000 : "Env" 0x000000280000-0x000000680000 : "Kernel" 0x000000680000-0x000008380000 : "File System" 0x000008380000-0x000020000000 : "None" UBI: attaching mtd4 to ubi0 UBI: physical eraseblock size: 131072 bytes (128 KiB) UBI: logical eraseblock size: 129024 bytes UBI: smallest flash I/O unit: 2048 UBI: sub-page size: 512 UBI: VID header offset: 512 (aligned 512) UBI: data offset: 2048 UBI: max. sequence number: 787 UBI: attached mtd4 to ubi0 UBI: MTD device name: "File System" UBI: MTD device size: 125 MiB UBI: number of good PEBs: 1000 UBI: number of bad PEBs: 0 UBI: number of corrupted PEBs: 0 UBI: max. allowed volumes: 128 UBI: wear-leveling threshold: 4096 UBI: number of internal volumes: 1 UBI: number of user volumes: 1 UBI: available PEBs: 0 UBI: total number of reserved PEBs: 1000 UBI: number of PEBs reserved for bad PEB handling: 10 UBI: max/mean erase counter: 3/1 UBI: image sequence number: 1276936249 UBI: background thread "ubi_bgt0d" started, PID 441 PPP generic driver version 2.4.2 PPP Deflate Compression module registered PPP BSD Compression module registered PPP MPPE Compression module registered NET: Registered protocol family 24 tun: Universal TUN/TAP device driver, 1.6 tun: (C) 1999-2004 Max Krasnyansky <maxk@qualcomm.com> dm9000 Ethernet Driver, V1.31 eth0: dm9000a at e0860000,e0864400 IRQ 185 MAC: 00:00:00:00:00:01 (chip) ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver ehci-omap.0 supply hsusb0 not found, using dummy regulator ehci-omap ehci-omap.0: OMAP-EHCI Host Controller ehci-omap ehci-omap.0: new USB bus registered, assigned bus number 1 ehci-omap ehci-omap.0: irq 77, io mem 0x48064800 ehci-omap ehci-omap.0: USB 2.0 started, EHCI 1.00 usb usb1: New USB device found, idVendor=1d6b, idProduct=0002 usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1 usb usb1: Product: OMAP-EHCI Host Controller usb usb1: Manufacturer: Linux 2.6.37 ehci_hcd usb usb1: SerialNumber: ehci-omap.0 hub 1-0:1.0: USB hub found hub 1-0:1.0: 3 ports detected ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver usbcore: registered new interface driver cdc_acm cdc_acm: v0.26:USB Abstract Control Model driver for USB modems and ISDN adapter s Initializing USB Mass Storage driver... usbcore: registered new interface driver usb-storage USB Mass Storage support registered. usbcore: registered new interface driver usbserial USB Serial support registered for generic usbcore: registered new interface driver usbserial_generic usbserial: USB Serial Driver core USB Serial support registered for cp210x usbcore: registered new interface driver cp210x cp210x: v0.09:Silicon Labs CP210x RS232 serial adaptor driver input: TWL4030 Keypad as /devices/platform/omap/omap_i2c.1/i2c-1/1-004a/twl4030_keypad/input/input0 input: twl4030_pwrbutton as /devices/platform/omap/omap_i2c.1/i2c-1/1-0049/twl4030_pwrbutton/input/input1 twl_rtc twl_rtc: rtc core: registered twl_rtc as rtc0 twl_rtc twl_rtc: Power up reset detected. twl_rtc twl_rtc: Enabling TWL-RTC. i2c /dev entries driver OMAP Watchdog Timer Rev 0x31: initial timeout 60 sec Bluetooth: HCI UART driver ver 2.2 Bluetooth: HCI H4 protocol initialized Bluetooth: HCI BCSP protocol initialized Bluetooth: HCILL protocol initialized Bluetooth: HCIATH3K protocol initialized mmci-omap-hs.0 supply vmmc_aux not found, using dummy regulator mmci-omap-hs.1 supply vmmc_aux not found, using dummy regulator oprofile: hardware counters not available oprofile: using timer interrupt. Netfilter messages via NETLINK v0.30. ip_tables: (C) 2000-2006 Netfilter Core Team TCP cubic registered Initializing XFRM netlink socket NET: Registered protocol family 10 IPv6 over IPv4 tunneling driver NET: Registered protocol family 17 NET: Registered protocol family 15 Bluetooth: L2CAP ver 2.15 Bluetooth: L2CAP socket layer initialized Bluetooth: SCO (Voice Link) ver 0.6 Bluetooth: SCO socket layer initialized Bluetooth: RFCOMM TTY layer initialized Bluetooth: RFCOMM socket layer initialized Bluetooth: RFCOMM ver 1.11 Bluetooth: BNEP (Ethernet Emulation) ver 1.3 Bluetooth: BNEP filters: protocol multicast L2TP core driver, V2.0 PPPoL2TP kernel driver, V2.0 Registering the dns_resolver key type VFP support v0.3: implementor 41 architecture 3 part 30 variant c rev 3 ThumbEE CPU extension supported. Power Management for TI OMAP3. sr_init: No PMIC hook to init smartreflex smartreflex smartreflex.0: omap_sr_probe: SmartReflex driver initialized smartreflex smartreflex.1: omap_sr_probe: SmartReflex driver initialized SmartReflex Class3 initialized clock: disabling unused clocks to save power platform mpu.0: omap_voltage_scale: Already at the requestedrate 800000000 twl_rtc twl_rtc: setting system clock to 2000-01-01 00:00:00 UTC (946684800) usb 1-1: new high speed USB device using ehci-omap and address 2 UBIFS: mounted UBI device 0, volume 0, name "rootfs" UBIFS: file system size: 125798400 bytes (122850 KiB, 119 MiB, 975 LEBs) UBIFS: journal size: 9033728 bytes (8822 KiB, 8 MiB, 71 LEBs) UBIFS: media format: w4/r0 (latest is w4/r0) UBIFS: default compressor: lzo UBIFS: reserved for root: 0 bytes (0 KiB) VFS: Mounted root (ubifs filesystem) on device 0:14. Freeing init memory: 184K mmc0: card claims to support voltages below the defined range. These will be ignored. INIT: version 2.88 bootingusb 1-1: New USB device found, idVendor=0424, idProduct=2514 usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0
hub 1-1:1.0: USB hub found hub 1-1:1.0: 4 ports detected mmc0: queuing unknown CIS tuple 0x91 (3 bytes) mmc0: new SDIO card at address 0001 Starting udev usb 1-1.1: new high speed USB device using ehci-omap and address 3 usb 1-1.1: New USB device found, idVendor=099e, idProduct=0002 usb 1-1.1: New USB device strings: Mfr=1, Product=2, SerialNumber=0 usb 1-1.1: Product: Trimble GNSS usb 1-1.1: Manufacturer: TRIMBLE mmc1: new high speed MMC card at address 0001 mmcblk0: mmc1:0001 SEM04G 3.68 GiB mmcblk0: usbserial_generic 1-1.1:1.0: generic converter detected usb 1-1.1: generic converter now attached to ttyUSB0 usbserial_generic 1-1.1:1.1: generic converter detected usb 1-1.1: generic converter now attached to ttyUSB1 usb 1-1.3: new full speed USB device using ehci-omap and address 4 usb 1-1.3: New USB device found, idVendor=10c4, idProduct=ea70 usb 1-1.3: New USB device strings: Mfr=1, Product=2, SerialNumber=5 usb 1-1.3: Product: CP2105 Dual USB to UART Bridge Controller usb 1-1.3: Manufacturer: Silicon Labs usb 1-1.3: SerialNumber: 002DFA29 kernel BUG at mm/slab.c:3057! Unable to handle kernel NULL pointer dereference at virtual address 00000000 pgd = df304000 [00000000] *pgd=9f27f031, *pte=00000000, *ppte=00000000 Internal error: Oops: 817 [#1] last sysfs file: /sys/devices/virtual/tty/tty5/uevent Modules linked in: CPU: 0 Not tainted (2.6.37 #30) PC is at __bug+0x24/0x30 LR is at release_console_sem+0x188/0x19c pc : [<c00445a0>] lr : [<c006b5f4>] psr: 600b0093 sp : df32fdf8 ip : df32fd38 fp : df32fe04 r10: 00000043 r9 : 00200200 r8 : 000000d0 r7 : c05cb980 r6 : df802b40 r5 : df807a00 r4 : df800e40 r3 : 00000000 r2 : c0564bcc r1 : c0564bb0 r0 : 00000024 Flags: nZCv IRQs off FIQs on Mode SVC_32 ISA ARM Segment user Control: 10c5387d Table: 9f304019 DAC: 00000015 Process mount.sh (pid: 702, stack limit = 0xdf32e2f0) Stack: (0xdf32fdf8 to 0xdf330000) fde0: df32fe54 df32fe08 fe00: c0401438 c0044588 00000001 df0bf778 df26e9c0 df802b48 df802b50 000000d0 fe20: 000000d0 00000000 00000000 de55c840 df800e40 600b0013 000000d0 c00dde3c fe40: df375eac 000000d0 df32fe84 df32fe58 c00e76fc c04012f8 df32fe84 df32fe68 fe60: de55c840 df375f98 df2e3910 c05cbaa0 00000000 df2e3910 df32feac df32fe88 fe80: c00dde3c c00e76a4 df375fd0 de55c840 df375f98 df2dab00 00000001 df375eb0 fea0: df32feec df32feb0 c0068b9c c00dde0c df375e9c de55c874 df2dab34 df375e90 fec0: de477630 de465280 01200011 00000000 de477540 de477630 c0591978 00000000 fee0: df32ff3c df32fef0 c00692e8 c0068a10 c0416cf0 00000000 df32e000 00000000 ff00: df32ffb0 bef745f0 df326e80 00000000 df3f08c0 df32ffb0 01200011 00000000 ff20: 00000000 00000000 00000000 bef745f0 df32ff8c df32ff40 c0069c8c c0068e4c ff40: 40020068 00000000 00000000 00000000 df32ff74 bef74628 00000000 000000af ff60: c0040988 40020068 00000000 40020000 00000078 c0040988 df32e000 00000000 ff80: df32ffa4 df32ff90 c00442ac c0069ad4 00000000 40020068 00000000 df32ffa8 ffa0: c00407e0 c0044284 40020068 df32ffb0 01200011 00000000 00000000 00000000 ffc0: 40020068 00000000 40020000 00000078 400204c0 00000000 000002be 40321000 ffe0: 00000078 bef745f0 402b0daf 4025a276 000b0030 01200011 044c0000 00000401 Backtrace: [<c004457c>] (__bug+0x0/0x30) from [<c0401438>] (cache_alloc_refill+0x14c/0x51c)
[<c04012ec>] (cache_alloc_refill+0x0/0x51c) from [<c00e76fc>] (kmem_cache_alloc+ 0x64/0xf4) [<c00e7698>] (kmem_cache_alloc+0x0/0xf4) from [<c00dde3c>] (anon_vma_fork+0x3c/0 xd8) [<c00dde00>] (anon_vma_fork+0x0/0xd8) from [<c0068b9c>] (dup_mm+0x198/0x3fc) r8:df375eb0 r7:00000001 r6:df2dab00 r5:df375f98 r4:de55c840 r3:df375fd0 [<c0068a04>] (dup_mm+0x0/0x3fc) from [<c00692e8>] (copy_process.part.46+0x4a8/0x c54) [<c0068e40>] (copy_process.part.46+0x0/0xc54) from [<c0069c8c>] (do_fork+0x1c4/0 x3f4) [<c0069ac8>] (do_fork+0x0/0x3f4) from [<c00442ac>] (sys_clone+0x34/0x3c) [<c0044278>] (sys_clone+0x0/0x3c) from [<c00407e0>] (ret_fast_syscall+0x0/0x30) Code: e1a01003 e59f000c eb0eee67 e3a03000 (e5833000) ---[ end trace 2578090eb2d6832f ]--- kernel BUG at mm/slab.c:3057! Unable to handle kernel NULL pointer dereference at virtual address 00000000 pgd = dfbe8000 [00000000] *pgd=9f20d031, *pte=00000000, *ppte=00000000 Internal error: Oops: 817 [#2] last sysfs file: /sys/devices/virtual/tty/tty54/uevent Modules linked in: CPU: 0 Tainted: G D (2.6.37 #30) PC is at __bug+0x24/0x30 LR is at release_console_sem+0x188/0x19c pc : [<c00445a0>] lr : [<c006b5f4>] psr: 600b0093 sp : df23bdf8 ip : df23bd38 fp : df23be04 r10: 000000d0 r9 : 00000000 r8 : 000000d0 r7 : c05cb980 r6 : df802b40 r5 : df807a00 r4 : df800e40 r3 : 00000000 r2 : c0564bcc r1 : c0564bb0 r0 : 00000024 Flags: nZCv IRQs off FIQs on Mode SVC_32 ISA ARM Segment user Control: 10c5387d Table: 9fbe8019 DAC: 00000015 Process mount.sh (pid: 661, stack limit = 0xdf23a2f0) Stack: (0xdf23bdf8 to 0xdf23c000) bde0: df23be54 df23be08 be00: c0401438 c0044588 00000001 00000000 df182d30 df802b48 df802b50 000000d0 be20: 000000d0 00000000 00000000 df3596c0 df800e40 600b0013 000000d0 c00dde3c be40: de4a6fb4 000000d0 df23be84 df23be58 c00e76fc c04012f8 df23be84 df23be68 be60: df3596c0 de4a68b8 df0e57b0 c05cbaa0 00000000 df0e57b0 df23beac df23be88 be80: c00dde3c c00e76a4 de4a68f0 df3596c0 de4a68b8 df00a6c0 00000001 de4a6fb8 bea0: df23beec df23beb0 c0068b9c c00dde0c de4a6fa4 df3596f4 df00a6f4 de4a6f98 bec0: df3fa1f0 de522b80 01200011 00000000 df3fa100 df3fa1f0 c0591978 00000000 bee0: df23bf3c df23bef0 c00692e8 c0068a10 c0558424 000c5000 df23bfac 00000000 bf00: df23bfb0 bee7c730 00100073 00000000 df23bf7c df23bfb0 01200011 00000000 bf20: 00000000 00000000 00000000 bee7c730 df23bf8c df23bf40 c0069c8c c0068e4c bf40: 4006f068 00000000 00000000 00000000 df23bf74 df23bf60 c0078254 c0078124 bf60: 00010002 4006f068 00000000 4006f000 00000078 c0040988 df23a000 00000000 bf80: df23bfa4 df23bf90 c00442ac c0069ad4 00000000 4006f068 00000000 df23bfa8 bfa0: c00407e0 c0044284 4006f068 df23bfb0 01200011 00000000 00000000 00000000 bfc0: 4006f068 00000000 4006f000 00000078 4006f4c0 00000000 00000295 40200000 bfe0: 00000078 bee7c730 4018fdaf 40139276 000b0030 01200011 04400000 00008000 Backtrace: [<c004457c>] (__bug+0x0/0x30) from [<c0401438>] (cache_alloc_refill+0x14c/0x51c)
[<c04012ec>] (cache_alloc_refill+0x0/0x51c) from [<c00e76fc>] (kmem_cache_alloc+ 0x64/0xf4) [<c00e7698>] (kmem_cache_alloc+0x0/0xf4) from [<c00dde3c>] (anon_vma_fork+0x3c/0 xd8) [<c00dde00>] (anon_vma_fork+0x0/0xd8) from [<c0068b9c>] (dup_mm+0x198/0x3fc) r8:de4a6fb8 r7:00000001 r6:df00a6c0 r5:de4a68b8 r4:df3596c0 r3:de4a68f0 [<c0068a04>] (dup_mm+0x0/0x3fc) from [<c00692e8>] (copy_process.part.46+0x4a8/0x c54) [<c0068e40>] (copy_process.part.46+0x0/0xc54) from [<c0069c8c>] (do_fork+0x1c4/0 x3f4) [<c0069ac8>] (do_fork+0x0/0x3f4) from [<c00442ac>] (sys_clone+0x34/0x3c) [<c0044278>] (sys_clone+0x0/0x3c) from [<c00407e0>] (ret_fast_syscall+0x0/0x30) Code: e1a01003 e59f000c eb0eee67 e3a03000 (e5833000) ---[ end trace 2578090eb2d68330 ]--- kernel BUG at mm/slab.c:3057! Unable to handle kernel NULL pointer dereference at virtual address 00000000 pgd = df05c000 [00000000] *pgd=9f039031, *pte=00000000, *ppte=00000000 Internal error: Oops: 817 [#3] last sysfs file: /sys/devices/virtual/tty/tty53/uevent Modules linked in: CPU: 0 Tainted: G D (2.6.37 #30) PC is at __bug+0x24/0x30 LR is at release_console_sem+0x188/0x19c pc : [<c00445a0>] lr : [<c006b5f4>] psr: 600f0193 sp : df059c00 ip : df059b40 fp : df059c0c r10: 000000d0 r9 : 00000000 r8 : 000000d0 r7 : c05cb980 r6 : df802b40 r5 : df807a00 r4 : df800e40 r3 : 00000000 r2 : c0564bcc r1 : c0564bb0 r0 : 00000024 Flags: nZCv IRQs off FIQs on Mode SVC_32 ISA ARM Segment user Control: 10c5387d Table: 9f05c019 DAC: 00000015 Process udevd (pid: 541, stack limit = 0xdf0582f0) Stack: (0xdf059c00 to 0xdf05a000) 9c00: df059c5c df059c10 c0401438 c0044588 00000001 df05c000 df059cac df802b48 9c20: df802b50 000000d0 000000d0 00000000 c058b530 df22ce30 df800e40 600f0113 9c40: 000000d0 c00ddbe8 df03ab98 000000d0 df059c8c df059c60 c00e76fc c04012f8 9c60: df059c8c df059c70 df22ce30 de4a6bd0 c05cbaa0 00000000 00000000 df05c000 9c80: df059cac df059c90 c00ddbe8 c00e76a4 de4a6bd0 00000001 400e6000 df00a840 9ca0: df059d0c df059cb0 c00d8504 c00ddba0 df059cd4 df059cc0 df1e2080 dfbfd600 9cc0: df059f6c be901fec df058000 000000e6 df05d000 00000398 00000200 00000001 9ce0: 000000a3 df059e60 de4a6bd0 400e6000 df028540 00000817 df00a874 df00a840 9d00: df059d94 df059d10 c0407abc c00d8358 df059d7c df059d20 c032fa14 c05cdbea 9d20: 00000000 c00fae38 df059d74 df059d38 00000035 00000000 1b478423 a7c5ac47 9d40: df059d74 df059d50 c02342a8 c02340e4 dfb83092 00000000 ffffffff dfb83884 9d60: ffffffff 00000000 df059e0c df059e60 00000817 400e6000 df059e60 454d414e 9d80: 400f0113 df059f78 df059db4 df059d98 c0407cac c04079dc c0407c58 00000817 9da0: c0558424 400e6000 df059e5c df059db8 c00361fc c0407c64 df8f53f8 00000000 9dc0: df059e04 df059dd0 c0138ca0 c01399d0 000080d0 00000000 df059e0c df059de8 9de0: c0235328 c02339d8 00000000 df059e80 dfb8309d dfb83095 c050fd84 000007ef 9e00: df059e34 df059e10 c0235328 c02339d8 00000000 df059ea8 de580011 c04f9937 9e20: df059eac de58001e df059e84 de58001e df059eac c0235fb0 ffffffff ffffffff 9e40: ffffffff df059e94 33353d52 5645440a df059efc df059e60 c0405cec c00361cc 9e60: 400e6000 de58001c ffffffff 4f4a414d 0a343d52 4f4e494d 33353d52 5645440a 9e80: 454d414e ffffffff df059f78 df059efc 00000004 df059eac 7974743d c022b61c 9ea0: 000f0013 ffffffff c0268648 00000000 0000001f 00000000 0000001f 400e6000 9ec0: 0000001f 00000000 00000000 c01056a8 de580000 0000001f c044ea3c df9d7980 9ee0: df9d7998 df059f78 400e6000 df8f53f8 df059f3c df059f00 c0139008 c0105618 9f00: 0000001f df03587c df059f34 00001000 00000000 00001000 df356a40 400e6000 9f20: df059f78 00001000 df058000 00000000 df059f6c df059f40 c00ea5b8 c0138f00 9f40: df058000 400e6000 00000003 00000000 00000000 df356a40 400e6000 00001000 9f60: df059fa4 df059f70 c00ea684 c00ea514 c00dc828 00000000 00000000 00000000 9f80: ffffffff 000386c8 40235c68 00000000 00000003 c0040988 00000000 df059fa8 9fa0: c00407e0 c00ea650 000386c8 40235c68 00000004 400e6000 00001000 00000000 9fc0: 000386c8 40235c68 00000000 00000003 be8ff78c 0000000a be8ff78c 00000000 9fe0: 00000000 be8ff2ec 401a78d9 401dd1cc 400f0010 00000004 00000000 00000000 Backtrace: [<c004457c>] (__bug+0x0/0x30) from [<c0401438>] (cache_alloc_refill+0x14c/0x51c)
[<c04012ec>] (cache_alloc_refill+0x0/0x51c) from [<c00e76fc>] (kmem_cache_alloc+ 0x64/0xf4) [<c00e7698>] (kmem_cache_alloc+0x0/0xf4) from [<c00ddbe8>] (anon_vma_prepare+0x5 4/0xfc) [<c00ddb94>] (anon_vma_prepare+0x0/0xfc) from [<c00d8504>] (handle_mm_fault+0x1b 8/0x680) r7:df00a840 r6:400e6000 r5:00000001 r4:de4a6bd0 [<c00d834c>] (handle_mm_fault+0x0/0x680) from [<c0407abc>] (do_page_fault.part.4 +0xec/0x288) [<c04079d0>] (do_page_fault.part.4+0x0/0x288) from [<c0407cac>] (do_page_fault+0 x54/0x60) [<c0407c58>] (do_page_fault+0x0/0x60) from [<c00361fc>] (do_DataAbort+0x3c/0xa0)
r6:400e6000 r5:c0558424 r4:00000817 r3:c0407c58 [<c00361c0>] (do_DataAbort+0x0/0xa0) from [<c0405cec>] (__dabt_svc+0x4c/0x60) Exception stack(0xdf059e60 to 0xdf059ea8) 9e60: 400e6000 de58001c ffffffff 4f4a414d 0a343d52 4f4e494d 33353d52 5645440a 9e80: 454d414e ffffffff df059f78 df059efc 00000004 df059eac 7974743d c022b61c 9ea0: 000f0013 ffffffff r7:5645440a r6:33353d52 r5:df059e94 r4:ffffffff [<c010560c>] (simple_read_from_buffer+0x0/0xd0) from [<c0139008>] (sysfs_read_fi le+0x114/0x140) [<c0138ef4>] (sysfs_read_file+0x0/0x140) from [<c00ea5b8>] (vfs_read+0xb0/0x13c)
[<c00ea508>] (vfs_read+0x0/0x13c) from [<c00ea684>] (sys_read+0x40/0x74) r8:00001000 r7:400e6000 r6:df356a40 r5:00000000 r4:00000000 [<c00ea644>] (sys_read+0x0/0x74) from [<c00407e0>] (ret_fast_syscall+0x0/0x30) r8:c0040988 r7:00000003 r6:00000000 r5:40235c68 r4:000386c8 Code: e1a01003 e59f000c eb0eee67 e3a03000 (e5833000) ---[ end trace 2578090eb2d68331 ]--- usbserial_generic 1-1.3:1.0: cp210x converter detected usb 1-1.3: cp210x converter now attached to ttyUSB2 usbserial_generic 1-1.3:1.1: cp210x converter detected usb 1-1.3: cp210x converter now attached to ttyUSB3 udevd[531]: worker [541] unexpectedly returned with status 0x000b
udevd[531]: worker [541] failed while handling '/devices/virtual/tty/tty53'
