Re: [PATCH] drm/i915/guc: Don't error on reset of banned context

2022-01-11 Thread Matthew Brost
On Thu, Jan 06, 2022 at 04:31:43PM -0800, john.c.harri...@intel.com wrote: > From: John Harrison > > There is a race (already documented in the code) whereby a context can > be (re-)queued for submission at the same time as it is being banned > due to a hang and reset. That leads to a hang/reset

Re: [PATCH] drm/i915/guc: Don't error on reset of banned context

2022-01-06 Thread John Harrison
On 1/6/2022 16:31, john.c.harri...@intel.com wrote: From: John Harrison There is a race (already documented in the code) whereby a context can be (re-)queued for submission at the same time as it is being banned due to a hang and reset. That leads to a hang/reset report from GuC for a context w

[PATCH] drm/i915/guc: Don't error on reset of banned context

2022-01-06 Thread John . C . Harrison
From: John Harrison There is a race (already documented in the code) whereby a context can be (re-)queued for submission at the same time as it is being banned due to a hang and reset. That leads to a hang/reset report from GuC for a context which i915 thinks is already banned. While the race is