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[Bug Watch Updater <287485@xxxxxxxxxxxxxxxxxx>]

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On 2008-10-23T13:23:17+00:00 Chris Coulson wrote:

Created an attachment (id=19830)
Backtrace

This was originally reported at
https://bugs.launchpad.net/ubuntu/+source/mesa/+bug/287485 by Eric
Drechsel:

"To reproduce I start a failsafe console session, run kwin (kwin has
compositing enabled, with opengl backend - no crash with xrender
backend).

Xorg backtrace (from startx over ssh):

(EE) intel(0): tried to update DSPARB with both planes enabled!
(EE) intel(0): underrun on pipe B!
(EE) intel(0): underrun on pipe B!
(EE) intel(0): underrun on pipe B!

Backtrace:
0: /usr/bin/X11/X(xf86SigHandler+0x79) [0x80c2ff9]
1: [0xb8045400]
2: /usr/lib/dri/i915_dri.so(intelCopyTexImage2D+0x14a) [0xaf67e83a]
3: /usr/lib/dri/i915_dri.so(_mesa_CopyTexImage2D+0x1d4) [0xaf718334]
4: /usr/lib/xorg/modules/extensions//libglx.so [0xb7b351ca]
5: /usr/lib/xorg/modules/extensions//libglx.so [0xb7b5e36f]
6: /usr/lib/xorg/modules/extensions//libglx.so [0xb7b62c0a]
7: /usr/bin/X11/X(Dispatch+0x34f) [0x808c88f]
8: /usr/bin/X11/X(main+0x47d) [0x8071d1d]
9: /lib/tls/i686/cmov/libc.so.6(__libc_start_main+0xe5) [0xb7c44685]
10: /usr/bin/X11/X [0x8071101]
Saw signal 11. Server aborting.
xinit: connection to X server lost.

waiting for X server to shut down"

This is with Mesa 7.2. I will attach the users Xorg.0.log.old,
xorg.conf, backtrace and output of lspci -vvnn

Reply at: https://bugs.launchpad.net/mesa/+bug/287485/comments/15

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On 2008-10-23T13:23:59+00:00 Chris Coulson wrote:

Created an attachment (id=19831)
Output of lspci -vvnn

Reply at: https://bugs.launchpad.net/mesa/+bug/287485/comments/16

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On 2008-10-23T13:24:26+00:00 Chris Coulson wrote:

Created an attachment (id=19832)
xorg.conf

Reply at: https://bugs.launchpad.net/mesa/+bug/287485/comments/17

------------------------------------------------------------------------
On 2008-10-23T13:24:43+00:00 Chris Coulson wrote:

Created an attachment (id=19833)
Xorg.0.log.old

Reply at: https://bugs.launchpad.net/mesa/+bug/287485/comments/18

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On 2008-12-08T01:26:36+00:00 Eric Drechsel wrote:

Hi, I'm the original reporter. It seems that there was a wrong setting
in some kwin related config file, deleting the several kwin configs
eliminates the crash. If someone is interested in the particular setting
that causes the crash, I can find it by experimentation but otherwise
this bug can be closed. Thanks!

Reply at: https://bugs.launchpad.net/mesa/+bug/287485/comments/20


** Changed in: mesa
       Status: Invalid => Won't Fix

** Changed in: mesa
   Importance: Unknown => Medium

-- 
Xorg crashed with SIGSEGV in _swrast_copy_teximage2d [i855GM]
https://bugs.launchpad.net/bugs/287485
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