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[Bug 612413] intel [GM45] Xserver crash when switching from clone to extended screen mode (Assertion in libdrm)
  • From: bugzilla_noreply@xxxxxxxxxx
  • Date: Sun, 15 Aug 2010 03:52:57 +0000
  • Message-id: <20100815035257.7C66BCC7CE@xxxxxxxxxxxxxxxxxxxxxx>
http://bugzilla.novell.com/show_bug.cgi?id=612413

http://bugzilla.novell.com/show_bug.cgi?id=612413#c21


--- Comment #21 from Stefan Dirsch <sndirsch@xxxxxxxxxx> 2010-08-15 03:52:54
UTC ---
(In reply to comment #19)
The updated packages from obs://X11:XOrg only partially help.

I am now able to enable clone mode.

I can't extend the desktop onto the 2nd monitor (right-of etc) - instead I get
clone mode.

That's bad.

If I try to disable LVDS1 and enable VGA1 (docking scenario) the X server
hangs
with last log line:

intel(0): Allocated new frame buffer 1600x1200 stride 8192, tiled

This is even worse.

KMS is on, of course. I tried nomodeset and get only one xrandr display
'default'.

With nomodeset X falls back to fbdev/vesa, which doesn't support RANDR 1.2.
As workaround you might want to use the intellegacy driver (optional package
xorg-x11-drive-video-intellegacy). Then you need to use 'nomodeset' and edit
/etc/X11/xorg.conf.d/50-device.conf.

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