[LU-13467] truncate deadlock with DoM files Created: 20/Apr/20 Updated: 08/Aug/21 Resolved: 19/Jun/20 |
|
| Status: | Resolved |
| Project: | Lustre |
| Component/s: | None |
| Affects Version/s: | None |
| Fix Version/s: | Lustre 2.14.0 |
| Type: | Bug | Priority: | Minor |
| Reporter: | Andriy Skulysh | Assignee: | Andriy Skulysh |
| Resolution: | Fixed | Votes: | 0 |
| Labels: | None | ||
| Issue Links: |
|
||||||||
| Severity: | 3 | ||||||||
| Rank (Obsolete): | 9223372036854775807 | ||||||||
| Description |
PID: 8441 TASK: ffff88aa0f7da080 CPU: 0 COMMAND: "truncate" #0 [ffff88aa0a52fb38] __schedule at ffffffff8db67747 #1 [ffff88aa0a52fbc8] schedule_preempt_disabled at ffffffff8db68b69 #2 [ffff88aa0a52fbd8] __mutex_lock_slowpath at ffffffff8db66ab7 #3 [ffff88aa0a52fc38] mutex_lock at ffffffff8db65e9f #4 [ffff88aa0a52fc50] vvp_io_setattr_start at ffffffffc0cd14f6 [lustre] #5 [ffff88aa0a52fc88] cl_io_start at ffffffffc089f188 [obdclass] #6 [ffff88aa0a52fcb0] cl_io_loop at ffffffffc08a146c [obdclass] #7 [ffff88aa0a52fce0] cl_setattr_ost at ffffffffc0ccc38f [lustre] #8 [ffff88aa0a52fd30] ll_setattr_raw at ffffffffc0ca76e8 [lustre] #9 [ffff88aa0a52fdf0] ll_setattr at ffffffffc0ca7ae3 [lustre] #10 [ffff88aa0a52fe00] notify_change at ffffffff8d660524 #11 [ffff88aa0a52fe48] do_truncate at ffffffff8d63f335 #12 [ffff88aa0a52fec0] vfs_truncate at ffffffff8d63f50c #13 [ffff88aa0a52fef8] do_sys_truncate at ffffffff8d63f5fc PID: 8525 TASK: ffff88aa0bed5140 CPU: 0 COMMAND: "mv" #0 [ffff88aad1b47848] __schedule at ffffffff8db67747 #1 [ffff88aad1b478d8] schedule at ffffffff8db67c49 #2 [ffff88aad1b478e8] schedule_timeout at ffffffff8db65668 #3 [ffff88aad1b47998] ptlrpc_set_wait at ffffffffc0a21740 [ptlrpc] #4 [ffff88aad1b47a40] ptlrpc_queue_wait at ffffffffc0a21ad3 [ptlrpc] #5 [ffff88aad1b47a60] mdc_reint at ffffffffc0bdb5d2 [mdc] #6 [ffff88aad1b47a80] mdc_rename at ffffffffc0bdd2fd [mdc] #7 [ffff88aad1b47b30] lmv_rename at ffffffffc0b4e8bc [lmv] #8 [ffff88aad1b47c10] ll_rename at ffffffffc0cb8660 [lustre] #9 [ffff88aad1b47cc8] vfs_rename at ffffffff8d64f4bd Truncate unlocks inode mutex in ll_setattr_raw() and tries to lock it again vvp_io_setattr_start() after ldlm lock, while rename takes ldlm lock with locked inode mutex. |
| Comments |
| Comment by Gerrit Updater [ 20/Apr/20 ] |
|
Andriy Skulysh (c17819@cray.com) uploaded a new patch: https://review.whamcloud.com/38288 |
| Comment by Gerrit Updater [ 19/Jun/20 ] |
|
Oleg Drokin (green@whamcloud.com) merged in patch https://review.whamcloud.com/38288/ |
| Comment by Peter Jones [ 19/Jun/20 ] |
|
Landed for 2.14 |