Skip to content

Warning "i915_hpd_poll_init_work [i915] hogged CPU for >10000us 4 times, consider switching to WQ_UNBOUND" on linux-next from Aug 30th 2023

For few days now I get the following warning on linux-next. It's a headless system with Pentium Gold G5400 CPU.

[ 55.874292] workqueue: output_poll_execute [drm_kms_helper] hogged CPU for >10000us 4 times, consider switching to WQ_UNBOUND [ 137.830796] workqueue: i915_hpd_poll_init_work [i915] hogged CPU for >10000us 4 times, consider switching to WQ_UNBOUND [ 158.278419] workqueue: output_poll_execute [drm_kms_helper] hogged CPU for >10000us 8 times, consider switching to WQ_UNBOUND [ 219.472985] workqueue: i915_hpd_poll_init_work [i915] hogged CPU for >10000us 8 times, consider switching to WQ_UNBOUND [ 301.370965] workqueue: output_poll_execute [drm_kms_helper] hogged CPU for >10000us 16 times, consider switching to WQ_UNBOUND [ 373.075179] workqueue: i915_hpd_poll_init_work [i915] hogged CPU for >10000us 16 times, consider switching to WQ_UNBOUND [ 598.336100] workqueue: output_poll_execute [drm_kms_helper] hogged CPU for >10000us 32 times, consider switching to WQ_UNBOUND

To upload designs, you'll need to enable LFS and have an admin enable hashed storage. More information