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* WQ_UNBOUND warning since recent workqueue refactoring
@ 2023-08-30 14:57 Heiner Kallweit
  2023-08-30 17:51   ` Tejun Heo
                   ` (3 more replies)
  0 siblings, 4 replies; 9+ messages in thread
From: Heiner Kallweit @ 2023-08-30 14:57 UTC (permalink / raw)
  To: Tejun Heo; +Cc: Linux Kernel Mailing List

Recently I started to see the following warning on linux-next and presumably
this may be related to the refactoring of the workqueue core code.

[   56.900223] workqueue: output_poll_execute [drm_kms_helper] hogged CPU for >10000us 4 times, consider switching to WQ_UNBOUND
[   56.923226] workqueue: i915_hpd_poll_init_work [i915] hogged CPU for >10000us 4 times, consider switching to WQ_UNBOUND
[   97.860430] workqueue: output_poll_execute [drm_kms_helper] hogged CPU for >10000us 8 times, consider switching to WQ_UNBOUND
[   97.884453] workqueue: i915_hpd_poll_init_work [i915] hogged CPU for >10000us 8 times, consider switching to WQ_UNBOUND

Adding WQ_UNBOUND to these queues didn't change the behavior.
Maybe relevant: I run the affected system headless.

^ permalink raw reply	[flat|nested] 9+ messages in thread

end of thread, other threads:[~2023-09-01  8:05 UTC | newest]

Thread overview: 9+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2023-08-30 14:57 WQ_UNBOUND warning since recent workqueue refactoring Heiner Kallweit
2023-08-30 17:51 ` [Intel-gfx] " Tejun Heo
2023-08-30 17:51   ` Tejun Heo
2023-08-30 18:56   ` [Intel-gfx] " Imre Deak
2023-08-30 19:47     ` Heiner Kallweit
2023-08-30 19:54     ` Heiner Kallweit
2023-09-01  2:25 ` [Intel-gfx] ✗ Fi.CI.CHECKPATCH: warning for " Patchwork
2023-09-01  2:41 ` [Intel-gfx] ✓ Fi.CI.BAT: success " Patchwork
2023-09-01  8:05 ` [Intel-gfx] ✓ Fi.CI.IGT: " Patchwork

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