Bug 36561

Summary: [piketon] Pressing "q" to exit when do testdisplay cause Call Trace
Product: xorg Reporter: bo.b.wang
Component: Driver/intelAssignee: Chris Wilson <chris>
Status: RESOLVED DUPLICATE QA Contact: Xorg Project Team <xorg-team>
Severity: normal    
Priority: medium    
Version: unspecified   
Hardware: Other   
OS: Linux (All)   
Whiteboard:
i915 platform: i915 features:
Attachments:
Description Flags
call trace of testdisplay none

Description bo.b.wang 2011-04-24 23:58:33 UTC 
Created attachment 46042 [details]
call trace of testdisplay

System Environment:
--------------------------
kernel keithp/drm-intel-fixes commit:5c72d064f7ead1126bed6faab0c2bfb7418036e2
platform  piketon

Bug detailed description:
-------------------------
I use testdisplay to test DP + VGA. when I press "q" or "ctrl + c" to exit testdisplay, there will be Call Trace. Or Command "testdisplay -a 10" to test DP and VGA all mode in turn will cause Call Trace after DP last mode has been shown.
Attachment is CallTrace info.

Reproduce steps:
----------------
1. testdisplay
2. press q or CTRL +c to exit
Comment 1 bo.b.wang 2011-04-25 00:01:06 UTC 
Now ickle/drm-intel-staging commit 8ff887c847a8c88cee2cddffb8b94f41ebd5e4db
Author: Chris Wilson <chris@chris-wilson.co.uk>
Date:   Sun Apr 17 06:38:35 2011 +0100

    drm/i915/dp: Be paranoid in case we disable a DP before it is attached

This issue I have tested doesn't exist in this commit.
Comment 2 Chris Wilson 2011-04-27 04:11:19 UTC 
So this looks to be the same bug, definitely the same calltrace as the patch was written to address.

*** This bug has been marked as a duplicate of bug 36456 ***

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