I'm confident that the below regression is not a regression that resulted from the code change of this series. The changes i made removes debug messages that are only executed at the GuC-ADS preparation time and is never being executed at runtime. Also, the code changes had nothing to do with power management or any locking. ...alan On Sat, 2022-05-07 at 05:25 +0000, Patchwork wrote: Patch Details Series: Remove unnecessary GuC err capture noise URL: https://patchwork.freedesktop.org/series/103709/ State: failure Details: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_103709v1/index.html CI Bug Log - changes from CI_DRM_11620 -> Patchwork_103709v1 Summary FAILURE Serious unknown changes coming with Patchwork_103709v1 absolutely need to be verified manually. If you think the reported changes have nothing to do with the changes introduced in Patchwork_103709v1, please notify your bug team to allow them to document this new failure mode, which will reduce false positives in CI. External URL: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_103709v1/index.html Participating hosts (47 -> 34) Missing (13): bat-adls-5 bat-dg1-6 bat-dg1-5 bat-dg2-8 bat-dg2-9 fi-bsw-cyan bat-adlp-6 fi-kbl-guc bat-adln-1 bat-rpls-1 bat-rpls-2 bat-jsl-2 bat-jsl-1 Possible new issues Here are the unknown changes that may have been introduced in Patchwork_103709v1: IGT changes Possible regressions * igt@i915_selftest@live@late_gt_pm: * fi-bdw-gvtdvm: NOTRUN -> DMESG-FAIL