[Bug 64661] New: [HSW]I-G-T [drm:intel_dp_aux_wait_done] *ERROR* dp aux hw did not signal timeout when run gem_fence_thrash/bo-write-verify-threaded-x

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Wed May 15 23:04:42 PDT 2013


https://bugs.freedesktop.org/show_bug.cgi?id=64661

          Priority: medium
            Bug ID: 64661
                CC: yangweix.shui at intel.com
          Assignee: intel-gfx-bugs at lists.freedesktop.org
           Summary: [HSW]I-G-T [drm:intel_dp_aux_wait_done] *ERROR* dp aux
                    hw did not signal timeout when run
                    gem_fence_thrash/bo-write-verify-threaded-x
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
          Severity: normal
    Classification: Unclassified
                OS: Linux (All)
          Reporter: huax.lu at intel.com
          Hardware: All
            Status: NEW
           Version: unspecified
         Component: DRM/Intel
           Product: DRI

Created attachment 79378
  --> https://bugs.freedesktop.org/attachment.cgi?id=79378&action=edit
dmesg

System Environment:
--------------------------
Arch:             x86_64
Platform:         Haswell
Kernel:    (drm-intel-fixes) e6c6992522d3f74341f032bda2c76266057cc53b

Bug detailed description:
-------------------------
It happens on haswell with drm-intel-fixes kernel and drm-intel-next-queued
kernel.
It happens 3 times in 5 runs.
igt/gem_fence_thrash/bo-write-verify-threaded-y also has this issue.

output:
write-verify: threads 64, fences 32, tiling 1, surfaces per thread 2
write-verify: threads 160, fences 32, tiling 1, surfaces per thread 2
write-verify: threads 320, fences 32, tiling 1, surfaces per thread 2
write-verify: threads 640, fences 32, tiling 1, surfaces per thread 2

ERROR in dmesg:
<3>[  841.280866] [drm:intel_dp_aux_wait_done] *ERROR* dp aux hw did not signal
timeout (has irq: 1)!
<3>[  841.280916] [drm:intel_dp_aux_ch] *ERROR* dp_aux_ch not done status
0xa145004a
<3>[  863.359327] [drm:intel_dp_aux_wait_done] *ERROR* dp aux hw did not signal
timeout (has irq: 1)!
<3>[  867.474189] [drm:intel_dp_aux_wait_done] *ERROR* dp aux hw did not signal
timeout (has irq: 1)!
<3>[  878.394119] [drm:intel_dp_aux_wait_done] *ERROR* dp aux hw did not signal
timeout (has irq: 1)!
<3>[  881.852162] [drm:intel_dp_aux_wait_done] *ERROR* dp aux hw did not signal
timeout (has irq: 1)!
<3>[  889.526997] [drm:intel_dp_aux_wait_done] *ERROR* dp aux hw did not signal
timeout (has irq: 1)!
<3>[  892.958625] [drm:intel_dp_aux_wait_done] *ERROR* dp aux hw did not signal
timeout (has irq: 1)!
<3>[  900.478867] [drm:intel_dp_aux_wait_done] *ERROR* dp aux hw did not signal
timeout (has irq: 1)!
<3>[  904.527499] [drm:intel_dp_aux_wait_done] *ERROR* dp aux hw did not signal
timeout (has irq: 1)!
<3>[  904.542026] [drm:intel_dp_aux_wait_done] *ERROR* dp aux hw did not signal
timeout (has irq: 1)!
<3>[  907.930553] [drm:intel_dp_aux_wait_done] *ERROR* dp aux hw did not signal
timeout (has irq: 1)!
<3>[  934.148787] [drm:intel_dp_aux_wait_done] *ERROR* dp aux hw did not signal
timeout (has irq: 1)!
<3>[  934.149825] [drm:intel_dp_aux_ch] *ERROR* dp_aux_ch not done status
0xa145004a
<3>[  937.528233] [drm:intel_dp_aux_wait_done] *ERROR* dp aux hw did not signal
timeout (has irq: 1)!
<3>[  940.999809] [drm:intel_dp_aux_wait_done] *ERROR* dp aux hw did not signal
timeout (has irq: 1)!
<3>[  941.030577] [drm:intel_dp_aux_wait_done] *ERROR* dp aux hw did not signal
timeout (has irq: 1)!

Reproduce steps:
----------------
1. ./gem_fence_thrash --run-subtest bo-write-verify-threaded-x
2. dmesg -r | egrep "<[1-6]>" |grep drm

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