[Bug 82751] [PNV/IVB/HSW Regression]igt/kms_flip some subcases cause "WARNING: CPU: 1 PID: 5455 at drivers/gpu/drm/i915/i915_drv.c:1487 intel_suspend_complete+0x54a/0x58d [i915]()"
bugzilla-daemon at freedesktop.org
bugzilla-daemon at freedesktop.org
Wed Aug 20 20:07:16 PDT 2014
https://bugs.freedesktop.org/show_bug.cgi?id=82751
Guo Jinxian <jinxianx.guo at intel.com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Summary|[PNV/IVB |[PNV/IVB/HSW
|Regression]igt/kms_flip |Regression]igt/kms_flip
|some subcases cause |some subcases cause
|"WARNING: CPU: 1 PID: 5455 |"WARNING: CPU: 1 PID: 5455
|at |at
|drivers/gpu/drm/i915/i915_d |drivers/gpu/drm/i915/i915_d
|rv.c:1487 |rv.c:1487
|intel_suspend_complete+0x54 |intel_suspend_complete+0x54
|a/0x58d [i915]()" |a/0x58d [i915]()"
--- Comment #4 from Guo Jinxian <jinxianx.guo at intel.com> ---
The failure is able reproduce on HSW on latest
-nightly(49ceddc7b3b0e3f7eb21b9fb4c9b840cff630047), but the CallTrace unable to
reproduce.
[root at x-hsw24 tests]# ./kms_flip --run-subtest
vblank-vs-dpms-suspend-interruptible
IGT-Version: 1.7-g4d2f511 (x86_64) (Linux:
3.17.0-rc1_drm-intel-nightly_49cedd_20140821+ x86_64)
Using monotonic timestamps
Beginning vblank-vs-dpms-suspend-interruptible on crtc 7, connector 18
1024x768 60 1024 1048 1184 1344 768 771 777 806 0xa 0x40 65000
.rtcwake: wakeup from "mem" using /dev/rtc0 at Thu Aug 21 02:50:09 2014
.rtcwake: wakeup from "mem" using /dev/rtc0 at Thu Aug 21 02:50:41 2014
Test assertion failure function check_state, file kms_flip.c:557:
Failed assertion: timercmp(&es->last_received_ts, &es->current_ts, <)
Last errno: 4, Interrupted system call
vblank ts before the vblank was issued!
timerdiff -1s, 993213us
Subtest vblank-vs-dpms-suspend-interruptible: FAIL
[root at x-hsw24 tests]# dmesg -r|egrep "<[1-4]>"|grep drm
[root at x-hsw24 tests]#
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