[Bug 73959] New: [BDW]igt/many gem_reset_stats subcases causes [drm:__gen6_gt_force_wake_mt_get] *ERROR* Timed out waiting for forcewake old ack to clear.
bugzilla-daemon at freedesktop.org
bugzilla-daemon at freedesktop.org
Wed Jan 22 22:57:28 PST 2014
https://bugs.freedesktop.org/show_bug.cgi?id=73959
Priority: medium
Bug ID: 73959
CC: intel-gfx-bugs at lists.freedesktop.org
Assignee: intel-gfx-bugs at lists.freedesktop.org
Summary: [BDW]igt/many gem_reset_stats subcases causes
[drm:__gen6_gt_force_wake_mt_get] *ERROR* Timed out
waiting for forcewake old ack to clear.
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 92639
--> https://bugs.freedesktop.org/attachment.cgi?id=92639&action=edit
dmesg
System Environment:
--------------------------
Platform: Broadwell
Kernel(drm-intel-nightly)83ac01f486397fd8d319a3e31d1f95beb05037c5
Bug detailed description:
-------------------------
Many gem_reset_stats subcases causes [drm:__gen6_gt_force_wake_mt_get] *ERROR*
Timed out waiting for forcewake old ack to clear.
These subcases are new cases.
run it on Broadwell wiht -nightly kernel.
run ./gem_reset_stats --run-subtest ban-ctx-render
output:
IGT-Version: 1.5-g1bbb607 (x86_64) (Linux:
3.13.0-rc8_drm-intel-nightly_83ac01_20140123+ x86_64)
Subtest ban-ctx-render: SUCCESS
dmesg -r | egrep "<[1-3]>" |grep drm
<3>[ 2.004178] [drm:__gen6_gt_force_wake_mt_get] *ERROR* Timed out waiting
for forcewake old ack to clear.
<3>[ 536.559270] [drm:__gen6_gt_force_wake_mt_get] *ERROR* Timed out waiting
for forcewake old ack to clear.
<3>[ 536.572264] [drm:__gen6_gt_force_wake_mt_get] *ERROR* Timed out waiting
for forcewake old ack to clear.
<3>[ 536.581261] [drm:__gen6_gt_force_wake_mt_get] *ERROR* Timed out waiting
for forcewake old ack to clear.
<3>[ 536.590257] [drm:__gen6_gt_force_wake_mt_get] *ERROR* Timed out waiting
for forcewake old ack to clear.
<3>[ 542.526239] [drm:i915_context_is_banned] *ERROR* context hanging too
fast, declaring banned!
<3>[ 542.539123] [drm:__gen6_gt_force_wake_mt_get] *ERROR* Timed out waiting
for forcewake old ack to clear.
<3>[ 542.553117] [drm:__gen6_gt_force_wake_mt_get] *ERROR* Timed out waiting
for forcewake old ack to clear.
<3>[ 543.333157] [drm:__gen6_gt_force_wake_mt_get] *ERROR* Timed out waiting
for forcewake old ack to clear.
<3>[ 543.342834] [drm:__gen6_gt_force_wake_mt_get] *ERROR* Timed out waiting
for forcewake old ack to clear.
Reproduce steps:
-------------------------
1. ./gem_reset_stats --run-subtest ban-ctx-render
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