Re: [Intel-gfx] [PATCH 11/27] drm/i915/selftests: Fix memory corruption in live_lrc_isolation

2021-08-25 Thread Matthew Brost
On Tue, Aug 24, 2021 at 05:07:13PM -0700, Daniele Ceraolo Spurio wrote: > > > On 8/18/2021 11:16 PM, Matthew Brost wrote: > > GuC submission has exposed an existing memory corruption in > > live_lrc_isolation. We believe that some writes to the watchdog offsets > > in the LRC (0x178 & 0x17c) can

Re: [Intel-gfx] [PATCH 11/27] drm/i915/selftests: Fix memory corruption in live_lrc_isolation

2021-08-24 Thread Daniele Ceraolo Spurio
On 8/18/2021 11:16 PM, Matthew Brost wrote: GuC submission has exposed an existing memory corruption in live_lrc_isolation. We believe that some writes to the watchdog offsets in the LRC (0x178 & 0x17c) can result in trashing of portions of the address space. With GuC submission there are