http://bugs.freedesktop.org/show_bug.cgi?id=19699

           Summary: [KMS] There is a black screen with kernel 2.6.29-rc2 on
                    Q45
           Product: DRI
           Version: XOrg CVS
          Platform: Other
        OS/Version: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: DRM modules
        AssignedTo: dri-devel@lists.sourceforge.net
        ReportedBy: jian.j.z...@intel.com


Created an attachment (id=22171)
 --> (http://bugs.freedesktop.org/attachment.cgi?id=22171)
xorg.conf

Host:           q45
Arch:           x86_64
OSD:            Fedora release 9 (Sulphur)
Kernel:         2.6.29-rc2
Libdrm:         (master)           27fae006853647ad0087067adc4eaa8d4ed4594a
Mesa:           (master)           65118a51b609cbcfdd6698a8e22c18e98152f362
Xorg:           7.2
Xserver:                (master)   0d3c3dad21857ef502fe0d0235620a1228248e13
Xf86_video_intel:   (master)       b6f3ce32e295929f461a7bc37e61f126fb51e4aa
Kernel:   (drm-intel-next)         f2515ef1ce257b842b19e5b5f5c077dcdbf0f22c

Bug Description:
---------------------
I built kenel in drm-intel-next branch, and added kernel mode setting in it.
Then after it passes grub, it will soon be black screen. But I can still log in
it from remote side. When start X, the screen will have output there as normal,
then I start Gnome, it can enter into the desktop environment, but with the
fonts and icons blurred. You can see it in attachment. I have tried to disable
kernel mode setting in grub but it takes no effect. And on gm45 and g43 I also
made such kernel but has no such issue.  

Reproduce Steps:
---------------------
1. add a line of CONFIG_DRM_I915_KMS=y, and build kernel
2. just boot the OS. (afer the grub it will become black screen soon)


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