Public bug reported:
I have my docker partition on XFS, and recently upgraded to Zesty Beta.
Most of my `docker build.` processes hangs with a similar message in syslog:
```
Apr 4 09:19:04 epuspdxn0004 kernel: [ 1330.171267] INFO: task kworker/1:3:5589
blocked for more than 120 seconds.
Apr 4 09:19:04 epuspdxn0004 kernel: [ 1330.171275] Tainted: P
O 4.10.0-15-generic #17-Ubuntu
Apr 4 09:19:04 epuspdxn0004 kernel: [ 1330.171278] "echo 0 >
/proc/sys/kernel/hung_task_timeout_secs" disables this message.
Apr 4 09:19:04 epuspdxn0004 kernel: [ 1330.171282] kworker/1:3 D 0
5589 2 0x00000000
Apr 4 09:19:04 epuspdxn0004 kernel: [ 1330.171310] Workqueue: aufsd wkq_func
[aufs]
Apr 4 09:19:04 epuspdxn0004 kernel: [ 1330.171313] Call Trace:
Apr 4 09:19:04 epuspdxn0004 kernel: [ 1330.171323] __schedule+0x233/0x6f0
Apr 4 09:19:04 epuspdxn0004 kernel: [ 1330.171415] ?
kmem_zone_alloc+0x81/0x120 [xfs]
Apr 4 09:19:04 epuspdxn0004 kernel: [ 1330.171419] schedule+0x36/0x80
Apr 4 09:19:04 epuspdxn0004 kernel: [ 1330.171423]
rwsem_down_read_failed+0xfa/0x150
Apr 4 09:19:04 epuspdxn0004 kernel: [ 1330.171491] ?
xfs_file_buffered_aio_read+0x3d/0xc0 [xfs]
Apr 4 09:19:04 epuspdxn0004 kernel: [ 1330.171496]
call_rwsem_down_read_failed+0x18/0x30
Apr 4 09:19:04 epuspdxn0004 kernel: [ 1330.171500] down_read+0x20/0x40
Apr 4 09:19:04 epuspdxn0004 kernel: [ 1330.171567] xfs_ilock+0xf5/0x110 [xfs]
Apr 4 09:19:04 epuspdxn0004 kernel: [ 1330.171628]
xfs_file_buffered_aio_read+0x3d/0xc0 [xfs]
Apr 4 09:19:04 epuspdxn0004 kernel: [ 1330.171686]
xfs_file_read_iter+0x68/0xc0 [xfs]
Apr 4 09:19:04 epuspdxn0004 kernel: [ 1330.171692] new_sync_read+0xd2/0x120
Apr 4 09:19:04 epuspdxn0004 kernel: [ 1330.171695] __vfs_read+0x26/0x40
Apr 4 09:19:04 epuspdxn0004 kernel: [ 1330.171697] vfs_read+0x96/0x130
Apr 4 09:19:04 epuspdxn0004 kernel: [ 1330.171715] vfsub_read_u+0x14/0x30
[aufs]
Apr 4 09:19:04 epuspdxn0004 kernel: [ 1330.171729] vfsub_read_k+0x2c/0x40
[aufs]
Apr 4 09:19:04 epuspdxn0004 kernel: [ 1330.171743] au_copy_file+0x10c/0x370
[aufs]
Apr 4 09:19:04 epuspdxn0004 kernel: [ 1330.171756] au_cp_regular+0x11a/0x200
[aufs]
Apr 4 09:19:04 epuspdxn0004 kernel: [ 1330.171767] ?
au_cp_regular+0x1ef/0x200 [aufs]
Apr 4 09:19:04 epuspdxn0004 kernel: [ 1330.171777] ?
au_cp_regular+0x188/0x200 [aufs]
Apr 4 09:19:04 epuspdxn0004 kernel: [ 1330.171788] cpup_entry+0x538/0x5f0
[aufs]
Apr 4 09:19:04 epuspdxn0004 kernel: [ 1330.171802] ?
vfsub_lookup_one_len+0x31/0x70 [aufs]
Apr 4 09:19:04 epuspdxn0004 kernel: [ 1330.171814]
au_cpup_single.constprop.18+0x145/0x6a0 [aufs]
Apr 4 09:19:04 epuspdxn0004 kernel: [ 1330.171820] ? dput+0x40/0x270
Apr 4 09:19:04 epuspdxn0004 kernel: [ 1330.171831] au_cpup_simple+0x4d/0x80
[aufs]
Apr 4 09:19:04 epuspdxn0004 kernel: [ 1330.171842]
au_call_cpup_simple+0x28/0x40 [aufs]
Apr 4 09:19:04 epuspdxn0004 kernel: [ 1330.171855] wkq_func+0x14/0x80 [aufs]
Apr 4 09:19:04 epuspdxn0004 kernel: [ 1330.171861]
process_one_work+0x1fc/0x4b0
Apr 4 09:19:04 epuspdxn0004 kernel: [ 1330.171864] worker_thread+0x4b/0x500
Apr 4 09:19:04 epuspdxn0004 kernel: [ 1330.171870] kthread+0x101/0x140
Apr 4 09:19:04 epuspdxn0004 kernel: [ 1330.171873] ?
process_one_work+0x4b0/0x4b0
Apr 4 09:19:04 epuspdxn0004 kernel: [ 1330.171878] ?
kthread_create_on_node+0x60/0x60
Apr 4 09:19:04 epuspdxn0004 kernel: [ 1330.171883] ? SyS_exit_group+0x14/0x20
Apr 4 09:19:04 epuspdxn0004 kernel: [ 1330.171887] ret_from_fork+0x2c/0x40
Apr 4 09:19:04 epuspdxn0004 kernel: [ 1330.171895] INFO: task useradd:5758
blocked for more than 120 seconds.
Apr 4 09:19:04 epuspdxn0004 kernel: [ 1330.171899] Tainted: P
O 4.10.0-15-generic #17-Ubuntu
```
** Affects: docker.io (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1679768
Title:
Docker build hangs on XFS with kernel 4.10
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