Hi everyone,
I facing kernel panic issue in my target board which is dm355, im getting following dmesg error continuously,
Kernel version:2.6.32
root@dm355-evm:/#
root@dm355-evm:/#INFO: task umount:1126 blocked for more than 120 seconds.
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
umount D c02fa510 0 1126 1105 0x00000000
Backtrace:
[<c02fa220>] (schedule+0x0/0x380) from [<c00c9e50>] (bdi_sched_wait+0x10/0x18)
[<c00c9e40>] (bdi_sched_wait+0x0/0x18) from [<c02fafec>] (__wait_on_bit+0x60/0xa8)
[<c02faf8c>] (__wait_on_bit+0x0/0xa8) from [<c02fb0b4>] (out_of_line_wait_on_bit+0x80/0x8c)
[<c02fb034>] (out_of_line_wait_on_bit+0x0/0x8c) from [<c00c9ee8>] (sync_inodes_sb+0x90/0x188)
[<c00c9e58>] (sync_inodes_sb+0x0/0x188) from [<c00ce184>] (__sync_filesystem+0x60/0x8c)
r8:00000000 r7:c65e5000 r6:c65e5068 r5:00000001 r4:c61d9e00
[<c00ce124>] (__sync_filesystem+0x0/0x8c) from [<c00ce3c8>] (sync_filesystem+0x54/0x5c)
r5:c0304de8 r4:c61d9e00
[<c00ce374>] (sync_filesystem+0x0/0x5c) from [<c00ae1d8>] (generic_shutdown_super+0x2c/0x144)
r5:c0304de8 r4:c61d9e00
[<c00ae1ac>] (generic_shutdown_super+0x0/0x144) from [<c00ae310>] (kill_block_super+0x20/0x38)
r5:00000003 r4:c50025a0
[<c00ae2f0>] (kill_block_super+0x0/0x38) from [<c00ae840>] (deactivate_super+0x94/0xac)
r5:c03f63c4 r4:c61d9e00
[<c00ae7ac>] (deactivate_super+0x0/0xac) from [<c00c47d8>] (mntput_no_expire+0x98/0xe8)
r5:c61d9e00 r4:c65e5000
[<c00c4740>] (mntput_no_expire+0x0/0xe8) from [<c00c4e3c>] (sys_umount+0x2d8/0x308)
r7:c65e5000 r6:c65e5018 r5:c65e5000 r4:c65e4ff8
[<c00c4b64>] (sys_umount+0x0/0x308) from [<c003bec0>] (ret_fast_syscall+0x0/0x28)
mounINFO: task umount:1126 blocked for more than 120 seconds.
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
umount D c02fa510 0 1126 1105 0x00000000
Backtrace:
[<c02fa220>] (schedule+0x0/0x380) from [<c00c9e50>] (bdi_sched_wait+0x10/0x18)
[<c00c9e40>] (bdi_sched_wait+0x0/0x18) from [<c02fafec>] (__wait_on_bit+0x60/0xa8)
[<c02faf8c>] (__wait_on_bit+0x0/0xa8) from [<c02fb0b4>] (out_of_line_wait_on_bit+0x80/0x8c)
[<c02fb034>] (out_of_line_wait_on_bit+0x0/0x8c) from [<c00c9ee8>] (sync_inodes_sb+0x90/0x188)
[<c00c9e58>] (sync_inodes_sb+0x0/0x188) from [<c00ce184>] (__sync_filesystem+0x60/0x8c)
r8:00000000 r7:c65e5000 r6:c65e5068 r5:00000001 r4:c61d9e00
[<c00ce124>] (__sync_filesystem+0x0/0x8c) from [<c00ce3c8>] (sync_filesystem+0x54/0x5c)
r5:c0304de8 r4:c61d9e00
[<c00ce374>] (sync_filesystem+0x0/0x5c) from [<c00ae1d8>] (generic_shutdown_super+0x2c/0x144)
r5:c0304de8 r4:c61d9e00
[<c00ae1ac>] (generic_shutdown_super+0x0/0x144) from [<c00ae310>] (kill_block_super+0x20/0x38)
r5:00000003 r4:c50025a0
[<c00ae2f0>] (kill_block_super+0x0/0x38) from [<c00ae840>] (deactivate_super+0x94/0xac)
r5:c03f63c4 r4:c61d9e00
[<c00ae7ac>] (deactivate_super+0x0/0xac) from [<c00c47d8>] (mntput_no_expire+0x98/0xe8)
r5:c61d9e00 r4:c65e5000
[<c00c4740>] (mntput_no_expire+0x0/0xe8) from [<c00c4e3c>] (sys_umount+0x2d8/0x308)
r7:c65e5000 r6:c65e5018 r5:c65e5000 r4:c65e4ff8
[<c00c4b64>] (sys_umount+0x0/0x308) from [<c003bec0>] (ret_fast_syscall+0x0/0x28)
INFO: task umount:1126 blocked for more than 120 seconds.
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
umount D c02fa510 0 1126 1105 0x00000000
Backtrace:
plz help me to come out from this issue
----Titus.
