[Bug 66295] New: [HSW/IVB bisected] xrandr show no current resolution

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=66295

          Priority: medium
            Bug ID: 66295
          Assignee: chris at chris-wilson.co.uk
           Summary: [HSW/IVB bisected] xrandr show no current resolution
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
          Severity: major
    Classification: Unclassified
                OS: Linux (All)
          Reporter: mengmeng.meng at intel.com
          Hardware: All
            Status: NEW
           Version: git
         Component: Driver/intel
           Product: xorg

System Environment:       
----------------------------------------------
Platform:  HSW/IVB
Mesa:   (master)15085b477b092ba4315d13b96112a8d714de8e27
Xf86_video_intel:(master)2.21.10-33-gd7be3df2fe632bbc8e4f09709cf3cf7a5ef61015
Kernel:    (drm-intel-nightly) 8fd4841995c408bab64400d2b00b64cde6bbd650

Bug detailed description:
----------------------------------------------
Xrandr show no default resolution on HSW/IVB when start X, such as 
   1920x1080      60.0 +   50.0      59.9 (bad)
   1920x1080      60.0 *+   50.0     59.9 (good)
   Especially, it would show “Something has gone wrong” after starting
gnome-session. Please see Xorg.0.log, the scrot of gnome-session and xrandr.log
attached.

It’s Xf86_video_intel regression, bisecting show the first bad commit is that:

git-8a6a21(skip)  xrandr: output HDMI1 cannot use rotation "normal" reflection
"none"   
git-c56512(skip)  xrandr: output HDMI1 cannot use rotation "normal" reflection
"none" 
git-01ce3e  can reproduce

Reproduce steps:
---------------------------------------------
1. xinit&
2. xrandr

-- 
You are receiving this mail because:
You are the QA Contact for the bug.
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.freedesktop.org/archives/intel-gfx-bugs/attachments/20130628/498ea976/attachment.html>