Hi Umesh, On Fri, Oct 20, 2023 at 08:24:41AM -0700, Umesh Nerlige Ramappa wrote: > When the driver unbinds, pmu is unregistered and i915->uabi_engines is > set to RB_ROOT. Due to this, when i915 PMU tries to stop the engine > events, it issues a warn_on because engine lookup fails. > > All perf hooks are taking care of this using a pmu->closed flag that is > set when PMU unregisters. The stop event seems to have been left out. > > Check for pmu->closed in pmu_event_stop as well. > > Based on discussion here - > https://patchwork.freedesktop.org/patch/492079/?series=105790&rev=2 > > v2: s/is/if/ in commit title > v3: Add fixes tag and cc stable > > Cc: <stable@xxxxxxxxxxxxxxx> # v5.11+ > Fixes: b00bccb3f0bb ("drm/i915/pmu: Handle PCI unbind") > Signed-off-by: Umesh Nerlige Ramappa <umesh.nerlige.ramappa@xxxxxxxxx> > Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@xxxxxxxxx> the failure from the shards tests looks unrelated. Please next time don't forget to add a versioning to the patches you are sending. Pushed in drm-intel-gt-next. Thank you, Andi
