Re: [Nouveau] [PATCH v2] pmu: fix queued messages while getting no IRQ

2015-11-14 Thread Ilia Mirkin
On Sat, Nov 14, 2015 at 1:44 PM, Karol Herbst wrote: > I encountered while stresstesting the reclocking code, that rarely (1 out of > 20.000+ requests) we don't get any IRQ in nvkm_pmu_intr. > > This means we have a queued message on the pmu, but nouveau doesn't read it >

[Nouveau] [PATCH v2] pmu: fix queued messages while getting no IRQ

2015-11-14 Thread Karol Herbst
I encountered while stresstesting the reclocking code, that rarely (1 out of 20.000+ requests) we don't get any IRQ in nvkm_pmu_intr. This means we have a queued message on the pmu, but nouveau doesn't read it and waits infinitely in nvkm_pmu_send: if (reply) {