[GM965] X segfaults in intel_renderbuffer when closing googleearth

[Albert Damen]

This bug was originally reported upstream as https://bugs.freedesktop.org/show_bug.cgi?id=22946

The upstream report was made running mesa, libdrm, xserver and -intel from git. Now that mesa 7.6-devel arrived in Karmic, the same crash happens in a pure Karmic installation (same system, different lvm LV).

Reproducing steps:
Run googleearth, zoom in (lower altitude) and move around a bit. Then close googleearth and see X crash.

NB: the stacktrace in the upstream report is slightly different then the one in Xorg.log.old, because for the upstream report I built mesa without optimization.

ProblemType: Bug
Architecture: amd64
Date: Sat Aug 29 16:21:48 2009
DistroRelease: Ubuntu 9.10
MachineType: - N/A
Package: libgl1-mesa-dri 7.6.0~git20090817.7c422387-0ubuntu3
PccardctlIdent:

PccardctlStatus:

ProcCmdLine: root=/dev/mapper/hostname-karmic_ext4 ro quiet noresume
ProcEnviron:
 LANG=en_US.UTF-8
 SHELL=/bin/bash
ProcVersionSignature: Ubuntu 2.6.31-6.26-generic
RelatedPackageVersions:
 xserver-xorg 1:7.4+3ubuntu5
 libgl1-mesa-glx 7.6.0~git20090817.7c422387-0ubuntu3
 libdrm2 2.4.12+git20090801.45078630-0ubuntu1
 xserver-xorg-video-intel 2:2.8.1-1ubuntu1
 xserver-xorg-video-ati 1:6.12.99+git20090629.f39cafc5-0ubuntu6
SourcePackage: mesa
Uname: Linux 2.6.31-6-generic x86_64
XorgConf: Error: [Errno 2] No such file or directory: '/etc/X11/xorg.conf'
dmi.bios.date: 06/26/2007
dmi.bios.vendor: COMPAL
dmi.bios.version: 1.10
dmi.board.name: IFL91
dmi.board.vendor: COMPAL
dmi.board.version: REFERENCE
dmi.chassis.asset.tag: -
dmi.chassis.type: 10
dmi.chassis.vendor: No Enclosure
dmi.chassis.version: N/A
dmi.modalias: dmi:bvnCOMPAL:bvr1.10:bd06/26/2007:svn-:pnN/A:pvrN/A:rvnCOMPAL:rnIFL91:rvrREFERENCE:cvnNoEnclosure:ct10:cvrN/A:
dmi.product.name: N/A
dmi.product.version: N/A
dmi.sys.vendor: -
fglrx: Not loaded
system:
 distro: Ubuntu
 architecture: x86_64kernel: 2.6.31-6-generic

[lspci]
00:02.0 VGA compatible controller [0300]: Intel Corporation Mobile GM965/GL960 Integrated Graphics Controller [8086:2a02] (rev 0c)
     Subsystem: COMPAL Electronics Inc Device [14c0:0026]

[Albert Damen (albrt)]

The stacktrace on Karmic

[GreyGeek (greygeek)]

Running Karmic at the alpha5+ level. The version of GoogleEarth in the repository, when closed, crashes the xserver, and puts the user back at the user login screen. The updates of the day before yesterday (9/9/09) seemed to fix the problem, but the updates of this afternoon, 9/11/09, restored the problem.

Here are snippits from various logs:
**********************************

     *-cpu
          product: Intel(R) Core(TM)2 Duo CPU P8400 @ 2.26GHz
          vendor: Intel Corp.
          physical id: 1
          bus info: cpu@0
          size: 800MHz
          capacity: 800MHz
          width: 64 bits
          capabilities: fpu fpu_exception wp vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx x86-64 constant_tsc arch_perfmon pebs bts rep_good pni dtes64 monitor ds_cpl vmx smx est tm2 ssse3 cx16 xtpr pdcm sse4_1 lahf_lm tpr_shadow vnmi flexpriority cpufreq
     *-pci
          description: Host bridge
          product: Mobile 4 Series Chipset Memory Controller Hub
          vendor: Intel Corporation
          physical id: 100
          bus info: pci@0000:00:00.0
          version: 07
          width: 32 bits
          clock: 33MHz
          configuration: driver=agpgart-intel
          resources: irq:0
        *-display:0
             description: VGA compatible controller
             product: Mobile 4 Series Chipset Integrated Graphics Controller ...

[Albert Damen (albrt)]

This bug has been fixed upstream. The commit is included in mesa 7.6 branch.

commit 2921a2555d0a76fa649b23c31e3264bbc78b2ff5
Author: Ian Romanick <email address hidden>
Date: Wed Sep 16 07:39:58 2009 -0700

    intel: Deassociated drawables from private context struct in
intelUnbindContext