[r600] unity_support_test crashed with SIGSEGV in do_winsys_init()

[Stephen Brown]

Upgraded from 13.04 to 13.10. Running on Xen 4.2 with Openswitch.

ProblemType: Crash
DistroRelease: Ubuntu 13.10
Package: nux-tools 4.0.2+13.10.20130829.1-0ubuntu1
ProcVersionSignature: Ubuntu 3.11.0-7.13-generic 3.11.0
Uname: Linux 3.11.0-7-generic x86_64
.tmp.unity.support.test.1:

ApportVersion: 2.12.1-0ubuntu4
Architecture: amd64
CompizPlugins: No value set for `/apps/compiz-1/general/screen0/options/active_plugins'
CompositorRunning: compiz
CompositorUnredirectDriverBlacklist:
 (process:5483): dconf-CRITICAL **: unable to create file '/home/FREEDOMFORUM/sbrown/.cache/dconf/user': Permission denied. dconf will not work properly.

 (process:5483): dconf-CRITICAL **: unable to create file '/home/FREEDOMFORUM/sbrown/.cache/dconf/user': Permission denied. dconf will not work properly.
 '(nouveau|Intel).*Mesa 8.0'
CompositorUnredirectFSW:
 (process:5481): dconf-CRITICAL **: unable to create file '/home/FREEDOMFORUM/sbrown/.cache/dconf/user': Permission denied. dconf will not work properly.

 (process:5481): dconf-CRITICAL **: unable to create file '/home/FREEDOMFORUM/sbrown/.cache/dconf/user': Permission denied. dconf will not work properly.
 true
CrashCounter: 1
CurrentDmesg: Error: command ['sh', '-c', 'dmesg | comm -13 --nocheck-order /var/log/dmesg -'] failed with exit code 1: comm: /var/log/dmesg: Permission denied
Date: Fri Sep 13 08:03:06 2013
DistUpgraded: 2013-04-01 12:10:36,712 DEBUG enabling apt cron job
DistroCodename: saucy
DistroVariant: ubuntu
DkmsStatus:
 blktap, 2.0.93, 3.11.0-7-generic, x86_64: installed
 blktap, 2.0.93, 3.8.0-26-generic, x86_64: installed
 blktap, 2.0.93, 3.8.0-27-generic, x86_64: installed
 blktap, 2.0.93, 3.8.0-30-generic, x86_64: installed
 openvswitch, 1.10.2: added
ExecutablePath: /usr/lib/nux/unity_support_test
GraphicsCard:
 Advanced Micro Devices, Inc. [AMD/ATI] Cedar [Radeon HD 5000/6000/7350/8350 Series] [1002:68f9] (prog-if 00 [VGA controller])
   Subsystem: Hewlett-Packard Company Radeon HD 6350 [103c:2126]
InstallationDate: Installed on 2013-04-01 (164 days ago)
InstallationMedia: Ubuntu 12.10 "Quantal Quetzal" - Release amd64 (20121017.5)
MachineType: Hewlett-Packard HP Compaq 8200 Elite SFF PC
MarkForUpload: True
ProcCmdline: /usr/lib/nux/unity_support_test
ProcEnviron:
 LANGUAGE=en_US
 PATH=(custom, user)
 LANG=en_US.UTF-8
 SHELL=/bin/bash
ProcKernelCmdLine: placeholder root=/dev/mapper/ubuntu-root ro quiet splash
SegvAnalysis:
 Segfault happened at: 0x7f70f6d32549 <radeon_drm_winsys_create+185>: mov (%rax),%r8d
 PC (0x7f70f6d32549) ok
 source "(%rax)" (0x00000000) not located in a known VMA region (needed readable region)!
 destination "%r8d" ok
SegvReason: reading NULL VMA
Signal: 11
SourcePackage: nux
StacktraceTop:
 radeon_drm_winsys_create () from /usr/lib/x86_64-linux-gnu/dri/r600_dri.so
 ?? () from /usr/lib/x86_64-linux-gnu/dri/r600_dri.so
 ?? () from /usr/lib/x86_64-linux-gnu/dri/r600_dri.so
 ?? () from /usr/lib/x86_64-linux-gnu/dri/swrast_dri.so
 ?? () from /usr/lib/x86_64-linux-gnu/mesa/libGL.so.1
Title: unity_support_test crashed with SIGSEGV in radeon_drm_winsys_create()
UpgradeStatus: Upgraded to saucy on 2013-04-01 (164 days ago)
UserGroups: sudo
XsessionErrors:
 (process:3487): dconf-CRITICAL **: unable to create file '/home/FREEDOMFORUM/sbrown/.cache/dconf/user': Permission denied. dconf will not work properly.
 (process:3487): dconf-CRITICAL **: unable to create file '/home/FREEDOMFORUM/sbrown/.cache/dconf/user': Permission denied. dconf will not work properly.
dmi.bios.date: 11/10/2011
dmi.bios.vendor: Hewlett-Packard
dmi.bios.version: J01 v02.15
dmi.board.asset.tag: 2UA125069Q
dmi.board.name: 1495
dmi.board.vendor: Hewlett-Packard
dmi.chassis.asset.tag: 2UA125069Q
dmi.chassis.type: 6
dmi.chassis.vendor: Hewlett-Packard
dmi.modalias: dmi:bvnHewlett-Packard:bvrJ01v02.15:bd11/10/2011:svnHewlett-Packard:pnHPCompaq8200EliteSFFPC:pvr:rvnHewlett-Packard:rn1495:rvr:cvnHewlett-Packard:ct6:cvr:
dmi.product.name: HP Compaq 8200 Elite SFF PC
dmi.sys.vendor: Hewlett-Packard
version.compiz: compiz 1:0.9.10+13.10.20130828.2-0ubuntu1
version.ia32-libs: ia32-libs N/A
version.libdrm2: libdrm2 2.4.46-1
version.libgl1-mesa-dri: libgl1-mesa-dri 9.2-1ubuntu1
version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
version.libgl1-mesa-glx: libgl1-mesa-glx 9.2-1ubuntu1
version.xserver-xorg-core: xserver-xorg-core 2:1.14.2.901-2ubuntu4
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.7.3-0ubuntu3.1
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:7.2.0-0ubuntu6
version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.21.14-4ubuntu4
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.9-2ubuntu1
xserver.bootTime: Fri Sep 13 07:58:37 2013
xserver.configfile: default
xserver.devices:
 input Power Button KEYBOARD, id 6
 input Power Button KEYBOARD, id 7
 input Logitech Optical USB Mouse MOUSE, id 8
 input AT Translated Set 2 keyboard KEYBOARD, id 9
 input HP WMI hotkeys KEYBOARD, id 10
xserver.errors:

xserver.logfile: /var/log/Xorg.0.log
xserver.version: 2:1.14.2.901-2ubuntu4
xserver.video_driver: radeon

[Apport retracing service (apport)]

StacktraceTop:
 do_winsys_init (ws=0xb982b0) at ../../../../../../../src/gallium/winsys/radeon/drm/radeon_drm_winsys.c:212
 radeon_drm_winsys_create (fd=-1) at ../../../../../../../src/gallium/winsys/radeon/drm/radeon_drm_winsys.c:617
 create_screen (fd=<optimized out>) at ../../../../../../src/gallium/targets/dri-r600/target.c:11
 dri2_init_screen (sPriv=0xb98190) at ../../../../../../../src/gallium/state_trackers/dri/drm/dri2.c:994
 driCreateNewScreen (scrn=0, extensions=0x7f70f9df8640 <loader_extensions>, driver_configs=0x7ffff8e47438, data=0xb8b640) at ../../../../../../src/mesa/drivers/dri/common/drisw_util.c:70