Skip to content
This repository was archived by the owner on Jan 27, 2026. It is now read-only.

Debugging TLB invalidation timeout #60

Open
Shao-Feng wants to merge 1 commit into
base: celadon/u/mr0/master
Choose a base branch
from
Open

Debugging TLB invalidation timeout #60

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
6 changes: 3 additions & 3 deletions drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -4878,7 +4878,7 @@ static int guc_send_invalidate_tlb(struct intel_guc *guc, u32 type)
if (timeout)
break;
gt_dbg(gt, "TLB invalidation (seqno=%u) pending for %us\n", seqno, ++elapsed);
if (elapsed >= 2) {
if (elapsed >= 5) {
/*
* FIXME: Real TLB invalidation timeout is critical and warrants a GT
* reset. However, it's possible that after this long wait the GT could
Expand All @@ -4887,9 +4887,9 @@ static int guc_send_invalidate_tlb(struct intel_guc *guc, u32 type)
*/
if (intel_gt_is_enabled(gt)) {
gt_err(gt,
"TLB invalidation response timed out for seqno %u\n",
"##stang23## TLB invalidation response timed out for seqno %u\n",
seqno);
intel_gt_set_wedged(gt);
//intel_gt_set_wedged(gt);
err = -ETIME;
}
break;
Expand Down