<div>Hi, </div>
<div>I am encountering hang of XFS filesystem, please find the logs as given below:</div>
<div>INFO: task usb_mount:1858 blocked for more than 120 seconds.<br>"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.<br>usb_mount D [84a42440] 8032d62c 0 1858 1816 (user thread)<br>
Stack : 00000107 00000000 85e7be80 00030002 84a425c8 8032d62c 7fffffff 84a42440<br> 00000002 8496e200 00000001 00000000 85e7bf00 85e7bef8 7fa2f2e0 8032d62c<br> 00000001 801d69a8 85e7bd40 801d6b34 85e7bd4c 8032dc6c 00000000 801dbc80<br>
85e7be80 864315a8 8662c980 00000001 00000742 00000000 00000000 84b85800<br> 85e7bd90 801d6cc0 7fffffff 84a42440 00000002 8032ee74 00000081 804158a0<br> ...<br>Call Trace:<br>[<8032d574>] __schedule+0x618/0x6b8 from[<8032d62c>] schedule+0x18/0x3c<br>
[<8032d62c>] schedule+0x18/0x3c from[<8032dc6c>] schedule_timeout+0x2c/0x1c0<br>[<8032dc6c>] schedule_timeout+0x2c/0x1c0 from[<8032ee74>] __down+0x8c/0xdc<br>[<8032ee74>] __down+0x8c/0xdc from[<8004500c>] down+0x40/0x88<br>
[<8004500c>] down+0x40/0x88 from[<801ca838>] xfs_buf_lock+0xcc/0x15c<br>[<801ca838>] xfs_buf_lock+0xcc/0x15c from[<801b71a0>] xfs_getsb+0x38/0x54<br>[<801b71a0>] xfs_getsb+0x38/0x54 from[<801d64a8>] xfs_sync_fsdata+0x7c/0x154<br>
[<801d64a8>] xfs_sync_fsdata+0x7c/0x154 from[<801d7284>] xfs_quiesce_data+0x34/0x60<br>[<801d7284>] xfs_quiesce_data+0x34/0x60 from[<801d3514>] xfs_fs_sync_fs+0x30/0xec<br>[<801d3514>] xfs_fs_sync_fs+0x30/0xec from[<800ba09c>] __fsync_super+0xa4/0xc8<br>
[<800ba09c>] __fsync_super+0xa4/0xc8 from[<800ba0d4>] fsync_super+0x14/0x28<br>[<800ba0d4>] fsync_super+0x14/0x28 from[<800ba4a0>] generic_shutdown_super+0x34/0x190<br>[<800ba4a0>] generic_shutdown_super+0x34/0x190 from[<800ba654>] kill_block_super+0x58/0x80<br>
[<800ba654>] kill_block_super+0x58/0x80 from[<800bac6c>] deactivate_super+0x7c/0x110<br>[<800bac6c>] deactivate_super+0x7c/0x110 from[<800d2bbc>] sys_umount+0x310/0x358<br>[<800d2bbc>] sys_umount+0x310/0x358 from[<8000ff44>] stack_done+0x20/0x3c<br>
</div>
<div>After reboot it works fine, but during this state XFS does not works no operation.</div>
<div> </div>
<div>Thanks,</div>
<div>Amit Sahrawat</div>
<div> </div>