Intel-XE Archive on lore.kernel.org
 help / color / mirror / Atom feed
* [PATCH v2] drm/xe: Convert job timeouts from assert to warning
@ 2024-01-30 20:03 Matt Roper
  2024-01-31  3:03 ` ✓ CI.Patch_applied: success for " Patchwork
                   ` (6 more replies)
  0 siblings, 7 replies; 9+ messages in thread
From: Matt Roper @ 2024-01-30 20:03 UTC (permalink / raw)
  To: intel-xe; +Cc: matthew.d.roper

xe_assert() is intended to be used only for "impossible" situations that
should never be hit (and if they are hit it means there's a driver bug
somewhere); assertions are only compiled into debug builds.

Although we expect jobs submitted by the kernel to be well-behaved and
run without error, timeouts are a legitimate possibility for reasons
beyond our control (bad firmware, flaky hardware, etc.).  We should use
a real WARN if we encounter these, even for non-debug builds, to ensure
the issue is being properly highlighted in bug reports and such.

Also give the WARNs more human-readable messages and move them below the
general notice-level message that gets printed for any kind of timeout
to make the errors a bit more understandable.

v2:
 - Convert the VM / exec_queue_killed assertion as well.  (MattB)

Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
Reviewed-by: Matthew Brost <matthew.brost@intel.com>
---
 drivers/gpu/drm/xe/xe_guc_submit.c | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/xe/xe_guc_submit.c b/drivers/gpu/drm/xe/xe_guc_submit.c
index 2b008ec1b6de..4744668ef60a 100644
--- a/drivers/gpu/drm/xe/xe_guc_submit.c
+++ b/drivers/gpu/drm/xe/xe_guc_submit.c
@@ -23,6 +23,7 @@
 #include "xe_force_wake.h"
 #include "xe_gpu_scheduler.h"
 #include "xe_gt.h"
+#include "xe_gt_printk.h"
 #include "xe_guc.h"
 #include "xe_guc_ct.h"
 #include "xe_guc_exec_queue_types.h"
@@ -928,11 +929,13 @@ guc_exec_queue_timedout_job(struct drm_sched_job *drm_job)
 	int i = 0;
 
 	if (!test_bit(DMA_FENCE_FLAG_SIGNALED_BIT, &job->fence->flags)) {
-		xe_assert(xe, !(q->flags & EXEC_QUEUE_FLAG_KERNEL));
-		xe_assert(xe, !(q->flags & EXEC_QUEUE_FLAG_VM && !exec_queue_killed(q)));
-
 		drm_notice(&xe->drm, "Timedout job: seqno=%u, guc_id=%d, flags=0x%lx",
 			   xe_sched_job_seqno(job), q->guc->id, q->flags);
+		xe_gt_WARN(q->gt, q->flags & EXEC_QUEUE_FLAG_KERNEL,
+			   "Kernel-submitted job timed out\n");
+		xe_gt_WARN(q->gt, q->flags & EXEC_QUEUE_FLAG_VM && !exec_queue_killed(q),
+			   "VM job timed out on non-killed execqueue\n");
+
 		simple_error_capture(q);
 		xe_devcoredump(job);
 	} else {
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 9+ messages in thread

end of thread, other threads:[~2024-01-31 16:14 UTC | newest]

Thread overview: 9+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2024-01-30 20:03 [PATCH v2] drm/xe: Convert job timeouts from assert to warning Matt Roper
2024-01-31  3:03 ` ✓ CI.Patch_applied: success for " Patchwork
2024-01-31  3:03 ` ✓ CI.checkpatch: " Patchwork
2024-01-31  3:04 ` ✓ CI.KUnit: " Patchwork
2024-01-31  3:11 ` ✓ CI.Build: " Patchwork
2024-01-31  3:12 ` ✓ CI.Hooks: " Patchwork
2024-01-31  3:13 ` ✓ CI.checksparse: " Patchwork
2024-01-31  3:57 ` ✓ CI.BAT: " Patchwork
2024-01-31 16:13   ` Matt Roper

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox