Re: [Intel-gfx] [PATCH] drm/i915: Only report a wakeup if the waiter was truly asleep

On 11/12/2017 17:08, Chris Wilson wrote: Quoting Tvrtko Ursulin (2017-12-11 16:10:49) On 09/12/2017 12:47, Chris Wilson wrote: If we attempt to wake up a waiter, who is currently checking the seqno it will be in the TASK_INTERRUPTIBLE state and ttwu will report success. However, it is actuall

Re: [Intel-gfx] [PATCH] drm/i915: Only report a wakeup if the waiter was truly asleep

Quoting Tvrtko Ursulin (2017-12-11 16:10:49) > > On 09/12/2017 12:47, Chris Wilson wrote: > > If we attempt to wake up a waiter, who is currently checking the seqno > > it will be in the TASK_INTERRUPTIBLE state and ttwu will report success. > > However, it is actually awake and functioning -- so

Re: [Intel-gfx] [PATCH] drm/i915: Only report a wakeup if the waiter was truly asleep

On 09/12/2017 12:47, Chris Wilson wrote: If we attempt to wake up a waiter, who is currently checking the seqno it will be in the TASK_INTERRUPTIBLE state and ttwu will report success. However, it is actually awake and functioning -- so delay reporting the actual wake up until it sleeps. This fi

[Intel-gfx] [PATCH] drm/i915: Only report a wakeup if the waiter was truly asleep

If we attempt to wake up a waiter, who is currently checking the seqno it will be in the TASK_INTERRUPTIBLE state and ttwu will report success. However, it is actually awake and functioning -- so delay reporting the actual wake up until it sleeps. This fixes some spurious claims of missed_breadcrum

Re: [Intel-gfx] [PATCH] drm/i915: Only report a wakeup if the waiter was truly asleep

Hi Chris, [auto build test ERROR on drm-intel/for-linux-next] [also build test ERROR on next-20170405] [cannot apply to v4.11-rc5] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] url: https://github.com/0day-ci/linux/commits/Chris-Wilson/drm

Re: [Intel-gfx] [PATCH] drm/i915: Only report a wakeup if the waiter was truly asleep

Hi Chris, [auto build test ERROR on drm-intel/for-linux-next] [also build test ERROR on next-20170405] [cannot apply to v4.11-rc5] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] url: https://github.com/0day-ci/linux/commits/Chris-Wilson/drm

[Intel-gfx] [PATCH] drm/i915: Only report a wakeup if the waiter was truly asleep

If we attempt to wake up a waiter, who is currently checking the seqno it will be in the TASK_INTERRUPTIBLE state and ttwu will report success. However, it is actually awake and functioning -- so delay reporting the actual wake up until it sleeps. References: https://bugs.freedesktop.org/show_bug.