On 1/3/2025 1:00 AM, Akhil P Oommen wrote: > On 1/3/2025 12:02 AM, Rob Clark wrote: >> From: Rob Clark <robdclark@xxxxxxxxxxxx> >> >> On mmu-500, stall-on-fault seems to stall all context banks, causing the >> GMU to misbehave. So limit this feature to smmu-v2 for now. >> >> This fixes an issue with an older mesa bug taking outo the system >> because of GMU going off into the weeds. >> >> What we _think_ is happening is that, if the GPU generates 1000's of >> faults at ~once (which is something that GPUs can be good at), it can >> result in a sufficient number of stalled translations preventing other >> transactions from entering the same TBU. >> >> Signed-off-by: Rob Clark <robdclark@xxxxxxxxxxxx> > > Reviewed-by: Akhil P Oommen <quic_akhilpo@xxxxxxxxxxx> > Btw, if stall is not enabled, I think there is no point in capturing coredump from adreno pagefault handler. By the time we start coredump, gpu might have switched context. -Akhil. > -Akhil >
