Re: [PATCH v3] drm/i915: Fix premature release of request's reusable memory

Hi Janusz, On Thu, Jul 20, 2023 at 11:35:44AM +0200, Janusz Krzysztofik wrote: > Infinite waits for completion of GPU activity have been observed in CI, > mostly inside __i915_active_wait(), triggered by igt@gem_barrier_race or > igt@perf@stress-open-close. Root cause analysis, based of ftrace du

Re: [PATCH v3] drm/i915: Fix premature release of request's reusable memory

Hi Janusz, On Thu, Jul 20, 2023 at 11:35:44AM +0200, Janusz Krzysztofik wrote: > Infinite waits for completion of GPU activity have been observed in CI, > mostly inside __i915_active_wait(), triggered by igt@gem_barrier_race or > igt@perf@stress-open-close. Root cause analysis, based of ftrace du

[PATCH v3] drm/i915: Fix premature release of request's reusable memory

Infinite waits for completion of GPU activity have been observed in CI, mostly inside __i915_active_wait(), triggered by igt@gem_barrier_race or igt@perf@stress-open-close. Root cause analysis, based of ftrace dumps generated with a lot of extra trace_printk() calls added to the code, revealed loo