[LU-17092] umount stuck Created: 06/Sep/23 Updated: 14/Oct/23 |
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| Status: | Open |
| Project: | Lustre |
| Component/s: | None |
| Affects Version/s: | Lustre 2.12.8 |
| Fix Version/s: | None |
| Type: | Bug | Priority: | Major |
| Reporter: | Mahmoud Hanafi | Assignee: | Qian Yingjin |
| Resolution: | Unresolved | Votes: | 0 |
| Labels: | None | ||
| Environment: |
client client-2.12.8_ddn12 |
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| Issue Links: |
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| Severity: | 3 | ||||||||
| Rank (Obsolete): | 9223372036854775807 | ||||||||
| Description |
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Umount getting stuck on compute nodes. 24109 umount [<0>] ll_kill_super+0x7e/0x150 [lustre] [<0>] lustre_kill_super+0x2b/0x40 [obdclass] [<0>] deactivate_locked_super+0x34/0x70 [<0>] cleanup_mnt+0x3b/0x70 [<0>] task_work_run+0xa3/0xe0 [<0>] exit_to_usermode_loop+0xef/0x100 [<0>] do_syscall_64+0x19c/0x1b0 [<0>] entry_SYSCALL_64_after_hwframe+0x61/0xc6 Looks like a duplicate of LU-14883. Here are statahead threads 11580 ll_sa_11521 [<0>] ll_statahead_thread+0xc87/0x1210 [lustre] [<0>] kthread+0x124/0x140 [<0>] ret_from_fork+0x35/0x40 11581 ll_agl_11521 [<0>] ll_agl_thread+0x495/0x500 [lustre] [<0>] kthread+0x124/0x140 [<0>] ret_from_fork+0x35/0x40 |
| Comments |
| Comment by Peter Jones [ 06/Sep/23 ] |
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Yingjin Could you please investigate? Thanks Peter |
| Comment by Qian Yingjin [ 06/Sep/23 ] |
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This seems to be a duplicate of |
| Comment by Peter Jones [ 08/Sep/23 ] |
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Thanks qian_wc . Mahmoud, have you tried the effectiveness of https://review.whamcloud.com/#/c/fs/lustre-release/+/52300/ ? |
| Comment by Mahmoud Hanafi [ 08/Sep/23 ] |
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We are waiting for DDN to provide us with a client that has the patch. |
| Comment by Peter Jones [ 08/Sep/23 ] |
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OK. I have not seen that request coming through support channels, but it may well be handled at the support level. |