Xorg crashed with SIGSEGV in fbSolid() - after applying PPA patch

[Rick Spencer]

The deb was here:
http://people.ubuntu.com/~bryce/Testing/intel-bug359600/xserver-xorg-video-intel_2.6.3-0ubuntu10~bug359600greedy1_amd64.deb

ProblemType: Crash
Architecture: amd64
CrashCounter: 1
DistroRelease: Ubuntu 9.04
ExecutablePath: /usr/bin/Xorg
Package: xserver-xorg-core 2:1.6.0-0ubuntu14
ProcAttrCurrent: unconfined
ProcCmdline: /usr/X11R6/bin/X :0 -br -audit 0 -auth /var/lib/gdm/:0.Xauth -nolisten tcp vt7
ProcEnviron:
 PATH=(custom, no user)
 LANG=en_US.UTF-8
ProcVersion: Linux version 2.6.28-11-generic (buildd@crested) (gcc version 4.3.3 (Ubuntu 4.3.3-5ubuntu4) ) #41-Ubuntu SMP Wed Apr 8 04:39:23 UTC 2009
Signal: 11
SourcePackage: xorg-server
StacktraceTop:
 fbSolid () from /usr/lib/xorg/modules//libfb.so
 fbFill () from /usr/lib/xorg/modules//libfb.so
 fbPolyFillRect ()
 ExaCheckPolyFillRect ()
 ?? () from /usr/lib/xorg/modules//libexa.so
Title: Xorg crashed with SIGSEGV in fbSolid()
Uname: Linux 2.6.28-11-generic x86_64
UserGroups:

[lspci]
00:00.0 Host bridge [0600]: Intel Corporation Mobile PM965/GM965/GL960 Memory Controller Hub [8086:2a00] (rev 03)
     Subsystem: Dell Device [1028:0279]
00:02.0 VGA compatible controller [0300]: Intel Corporation Mobile GM965/GL960 Integrated Graphics Controller [8086:2a02] (rev 03)
     Subsystem: Dell Device [1028:0279]

[Apport retracing service (apport)]

StacktraceTop:fbSolid (dst=0x0, dstStride=<value optimized out>,
fbFill (pDrawable=<value optimized out>,
fbPolyFillRect (pDrawable=0x3f8f1a0, pGC=0x3f8e210,
ExaCheckPolyFillRect (pDrawable=0x3f8f1a0,
exaPolyFillRect (pDrawable=0x3f8f1a0,

[Bryce Harrington (bryce)]

Hi Rick,

Jesse suggests instead of this "greedy" option, to turn migration off altogether:

    Option "EXAOptimizeMigration" "off"

Mind seeing if this has the same performance effect that greedy does? Maybe it will do that without causing the corruption problems.

[Rick Spencer (rick-rickspencer3)]

On Wed, 2009-04-15 at 18:01 +0000, Bryce Harrington wrote:
> Hi Rick,
>
> Jesse suggests instead of this "greedy" option, to turn migration off
> altogether:
>
> Option "EXAOptimizeMigration" "off"
>
> Mind seeing if this has the same performance effect that greedy does?
> Maybe it will do that without causing the corruption problems.
>
> ** Visibility changed to: Public
>
> ** Changed in: xorg-server (Ubuntu)
> Importance: Medium => High
>
> ** Changed in: xorg-server (Ubuntu)
> Status: New => Triaged
>
Doing right now. I'll let you know.

Cheers, Rick

[Bryce Harrington (bryce)]

[This is an automatic notification.]

Hi Rick,

This bug was reported against an earlier version of Ubuntu, can you
test if it still occurs on Lucid?

Please note we also provide technical support for older versions of
Ubuntu, but not in the bug tracker. Instead, to raise the issue through
normal support channels, please see:

    http://www.ubuntu.com/support

If you are the original reporter and can still reproduce the issue on
Lucid, please run the following command to refresh the report:

  apport-collect 360798

If you are not the original reporter, please file a new bug report, so
we can work with you as the original reporter instead (you can reference
bug 360798 in your report if you think it may be related):

  ubuntu-bug xorg

If by chance you can no longer reproduce the issue on Lucid or if you
feel it is no longer relevant, please mark the bug report 'Fix Released'
or 'Invalid' as appropriate, at the following URL:

  https://bugs.launchpad.net/ubuntu/+bug/360798

[Bryce Harrington (bryce)]

We're closing this bug since it is has been some time with no response from the original reporter. However, if the issue still exists please feel free to reopen with the requested information. Also, if you could, please test against the latest development version of Ubuntu, since this confirms the bug is one we may be able to pass upstream for help.