[LU-8283] start_statahead_thread() must decrement ll_sa_running on error Created: 15/Jun/16 Updated: 19/Jul/16 |
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| Status: | Open |
| Project: | Lustre |
| Component/s: | None |
| Affects Version/s: | Lustre 2.9.0 |
| Fix Version/s: | None |
| Type: | Bug | Priority: | Minor |
| Reporter: | John Hammond | Assignee: | WC Triage |
| Resolution: | Unresolved | Votes: | 0 |
| Labels: | statahead | ||
| Issue Links: |
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| Severity: | 3 | ||||
| Rank (Obsolete): | 9223372036854775807 | ||||
| Description |
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Seen on 2.8.54 after running racer. Somehow memory was tight and kthread_run() failed from start_statahead_thread(): LustreError: 26489:0:(statahead.c:1580:start_statahead_thread()) can't start ll_sa thread, rc: -12 After this umount hangs in ll_kill_super() waiting for sbi->ll_sa_running to drop to zero. |