Do you have an exact command line and set of things to do to reproduce the problem? Perhaps an apitrace of a crashing application?
-- You received this bug notification because you are a member of Desktop Packages, which is subscribed to mesa in Ubuntu. https://bugs.launchpad.net/bugs/947544 Title: mesa SIGSEGV in brw_update_renderbuffer_surface() Status in Mesa: Confirmed Status in “mesa” package in Ubuntu: Confirmed Bug description: crash during alt-tab ProblemType: Crash DistroRelease: Ubuntu 12.04 Package: compiz-core 1:0.9.7.0~bzr2995-0ubuntu5 ProcVersionSignature: Ubuntu 3.2.0-17.27-generic 3.2.6 Uname: Linux 3.2.0-17-generic x86_64 .tmp.unity.support.test.0: ApportVersion: 1.94-0ubuntu1 Architecture: amd64 CompizPlugins: [core,detection,composite,opengl,compiztoolbox,switcher,imgjpeg,maximumize,decor,grid,text,mousepoll,wall,thumbnail,move,imgpng,imgsvg,wobbly,fadedesktop,regex,resize,gnomecompat,place,notification,session,animation,workarounds,fade,winrules,expo,resizeinfo,animationaddon,trailfocus,scale,scalefilter,group,scaleaddon] CompositorRunning: compiz CrashCounter: 1 Date: Mon Mar 5 14:58:43 2012 DistUpgraded: Log time: 2011-10-21 20:21:41.774290 DistroCodename: precise DistroVariant: ubuntu DkmsStatus: virtualbox, 4.1.8, 3.0.0-16-generic, x86_64: installed virtualbox, 4.1.8, 3.2.0-17-generic, x86_64: installed ExecutablePath: /usr/bin/compiz GraphicsCard: Intel Corporation Mobile GM965/GL960 Integrated Graphics Controller (primary) [8086:2a02] (rev 0c) (prog-if 00 [VGA controller]) Subsystem: Dell Latitude D630 [1028:01f9] Subsystem: Dell Device [1028:01f9] MachineType: Dell Inc. Latitude D630 PccardctlIdent: Socket 0: no product info available PccardctlStatus: Socket 0: no card ProcCmdline: /usr/bin/compiz ProcEnviron: PATH=(custom, no user) LANG=en_US.UTF-8 SHELL=/bin/bash ProcKernelCmdLine: root=UUID=2901cb8b-2558-464e-8c80-ce031718503a ro quiet splash crashkernel=384M-2G:64M,2G-:128M SegvAnalysis: Segfault happened at: 0x7f9cb2c9bf5e: mov 0x218(%rax),%rbp PC (0x7f9cb2c9bf5e) ok source "0x218(%rax)" (0x00000218) not located in a known VMA region (needed readable region)! destination "%rbp" ok SegvReason: reading NULL VMA Signal: 11 SourcePackage: compiz StacktraceTop: ?? () from /usr/lib/x86_64-linux-gnu/dri/i965_dri.so ?? () from /usr/lib/x86_64-linux-gnu/dri/i965_dri.so brw_upload_state () from /usr/lib/x86_64-linux-gnu/dri/i965_dri.so brw_draw_prims () from /usr/lib/x86_64-linux-gnu/dri/i965_dri.so ?? () from /usr/lib/x86_64-linux-gnu/dri/libdricore.so Title: compiz crashed with SIGSEGV in brw_upload_state() UpgradeStatus: Upgraded to precise on 2011-10-22 (135 days ago) UserGroups: adm admin audio cdrom dialout dip floppy fuse lpadmin mythtv plugdev sambashare video dmi.bios.date: 01/04/2010 dmi.bios.vendor: Dell Inc. dmi.bios.version: A17 dmi.board.name: 0KU184 dmi.board.vendor: Dell Inc. dmi.chassis.type: 8 dmi.chassis.vendor: Dell Inc. dmi.modalias: dmi:bvnDellInc.:bvrA17:bd01/04/2010:svnDellInc.:pnLatitudeD630:pvr:rvnDellInc.:rn0KU184:rvr:cvnDellInc.:ct8:cvr: dmi.product.name: Latitude D630 dmi.sys.vendor: Dell Inc. version.compiz: compiz 1:0.9.7.0~bzr2995-0ubuntu5 version.ia32-libs: ia32-libs 20090808ubuntu33 version.libdrm2: libdrm2 2.4.30-1ubuntu1 version.libgl1-mesa-dri: libgl1-mesa-dri 8.0.1-0ubuntu2 version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A version.libgl1-mesa-glx: libgl1-mesa-glx 8.0.1-0ubuntu2 version.xserver-xorg-core: xserver-xorg-core 2:1.11.4-0ubuntu4 version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.6.99.901+git20120126-0ubuntu2 version.xserver-xorg-video-ati: xserver-xorg-video-ati N/A version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.17.0-1ubuntu4 version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:0.0.16+git20111201+b5534a1-1build2 To manage notifications about this bug go to: https://bugs.launchpad.net/mesa/+bug/947544/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp
