Bug 81949 - [BYT-M Regression]igt/testdisplay causes system hang while plug-in VGA/HDMI
Summary: [BYT-M Regression]igt/testdisplay causes system hang while plug-in VGA/HDMI
Status: CLOSED FIXED
Alias: None
Product: DRI
Classification: Unclassified
Component: DRM/Intel (show other bugs)
Version: unspecified
Hardware: Other All
: highest major
Assignee: Jani Nikula
QA Contact: Intel GFX Bugs mailing list
URL:
Whiteboard:
Keywords:
Depends on:
Blocks:
 
Reported: 2014-07-31 07:59 UTC by Guo Jinxian
Modified: 2016-11-22 07:09 UTC (History)
2 users (show)

See Also:
i915 platform:
i915 features:

Attachments

Description Guo Jinxian 2014-07-31 07:59:21 UTC 
==System Environment==
--------------------------
Regression: Yes. 
Good commit on -next-queued: 1cf0ba14740d96fbf6f58a201f000a34b74f4725

Non-working platforms: BYT-M

==kernel==
--------------------------
origin/drm-intel-nightly: c95053d599112ec3b8c27a632e3c1544558891a4(fails)
    drm-intel-nightly: 2014y-07m-30d-22h-36m-53s integration manifest
origin/drm-intel-next-queued: 5193109cd669c7990b043a7187548546c16f8af3(fails)
    drm/i915: Align intel_dsi*.c files a bit
origin/drm-intel-fixes: f4be89cecea437aaddd7700d05c6bdb5678041f7(works)
    drm/i915: Fix crash when failing to parse MIPI VBT

==Bug detailed description==
igt/testdisplay some parameters causes system hang

unable to get dmesg because system hang

==Reproduce steps==
---------------------------- 
1. pulg-in VGA or HDMI monitor
2. ./testdisplay -a
Comment 1 Jani Nikula 2014-09-02 11:56:36 UTC 
Please bisect.
Comment 2 Jani Nikula 2014-09-02 11:56:56 UTC 
Oh, and do try current nightly first.
Comment 3 yaoming 2014-09-03 02:42:10 UTC 
It works well on latest drm-intel-nightly branch(45cb75).
I guess the issue had been fixed.
Comment 4 Guo Jinxian 2014-09-03 05:52:21 UTC 
(In reply to comment #3)
> It works well on latest drm-intel-nightly branch(45cb75).
> I guess the issue had been fixed.

This failure unable to reproduce on latest nightly.
Comment 5 Jani Nikula 2014-09-03 07:24:27 UTC 
Thanks for testing, please reopen if the problem comes back.
Comment 6 Guo Jinxian 2014-09-05 03:37:06 UTC 
(In reply to comment #4)
> (In reply to comment #3)
> > It works well on latest drm-intel-nightly branch(45cb75).
> > I guess the issue had been fixed.
> 
> This failure unable to reproduce on latest nightly.

Verified
Comment 7 Jari Tahvanainen 2016-11-22 07:09:32 UTC 
Closing verified+fixed.

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