The fix is now testable at https://launchpad.net/~unity- team/+archive/sru (ppa:unity-team/sru). Actual verification action will be required when the new SRU hits precise-proposed.
** Description changed: - Ubuntu 12.04 beta1 + [Impact] + + A frequent crasher. + + [Test Case] + + Ensure no crashes happen with the same stack trace, but there is no one + clear test case. + + [Regression Potential] + + Low, the commit is a simple NULL check to prevent a crash and show a + warning in log instead. + + --- original bug report --- + + Ubuntu 12.04 beta1 unity 5.4.0-0ubuntu2 compiz 1:0.9.7.0~bzr2995-0ubuntu5 compiz crashes frequently after boot into system. 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 NonfreeKernelModules: nvidia wl .proc.driver.nvidia.gpus.0: Error: [Errno 21] Is a directory: '/proc/driver/nvidia/gpus/0' .proc.driver.nvidia.registry: Binary: "" .proc.driver.nvidia.version: - NVRM version: NVIDIA UNIX x86_64 Kernel Module 295.20 Mon Feb 6 21:07:30 PST 2012 - GCC version: gcc version 4.6.2 (Ubuntu/Linaro 4.6.2-16ubuntu1) + NVRM version: NVIDIA UNIX x86_64 Kernel Module 295.20 Mon Feb 6 21:07:30 PST 2012 + GCC version: gcc version 4.6.2 (Ubuntu/Linaro 4.6.2-16ubuntu1) .tmp.unity.support.test.0: - + ApportVersion: 1.93-0ubuntu2 Architecture: amd64 CompizPlugins: [core,bailer,detection,composite,opengl,compiztoolbox,decor,regex,gnomecompat,mousepoll,resize,imgpng,place,session,snap,move,grid,vpswitch,unitymtgrabhandles,wall,animation,expo,fade,workarounds,ezoom,scale,unityshell] CompositorRunning: compiz CurrentDmesg: - [ 44.441706] type=1400 audit(1330680576.805:24): apparmor="DENIED" operation="open" parent=2141 profile="/usr/lib/telepathy/mission-control-5" name="/usr/share/gvfs/remote-volume-monitors/" pid=2142 comm="mission-control" requested_mask="r" denied_mask="r" fsuid=1000 ouid=0 - [ 50.880026] eth2: no IPv6 routers present + [ 44.441706] type=1400 audit(1330680576.805:24): apparmor="DENIED" operation="open" parent=2141 profile="/usr/lib/telepathy/mission-control-5" name="/usr/share/gvfs/remote-volume-monitors/" pid=2142 comm="mission-control" requested_mask="r" denied_mask="r" fsuid=1000 ouid=0 + [ 50.880026] eth2: no IPv6 routers present Date: Fri Mar 2 17:27:29 2012 DistUpgraded: Log time: 2012-03-02 14:48:08.811970 DistroCodename: precise DistroVariant: ubuntu DkmsStatus: - bcmwl, 5.100.82.38+bdcom, 3.2.0-17-generic, x86_64: installed - nvidia-current, 295.20, 3.2.0-17-generic, x86_64: installed + bcmwl, 5.100.82.38+bdcom, 3.2.0-17-generic, x86_64: installed + nvidia-current, 295.20, 3.2.0-17-generic, x86_64: installed ExecutablePath: /usr/bin/compiz GraphicsCard: - NVIDIA Corporation C79 [GeForce 9400M] [10de:0863] (rev b1) (prog-if 00 [VGA controller]) - Subsystem: Apple Inc. Device [106b:00b9] + NVIDIA Corporation C79 [GeForce 9400M] [10de:0863] (rev b1) (prog-if 00 [VGA controller]) + Subsystem: Apple Inc. Device [106b:00b9] InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Beta amd64 (20120301) JockeyStatus: - kmod:wl - Broadcom STA wireless driver (Proprietary, Enabled, In use) [auto-install] - xorg:nvidia_current - NVIDIA accelerated graphics driver (Proprietary, Enabled, In use) - xorg:nvidia_current_updates - NVIDIA accelerated graphics driver (post-release updates) (Proprietary, Disabled, Not in use) + kmod:wl - Broadcom STA wireless driver (Proprietary, Enabled, In use) [auto-install] + xorg:nvidia_current - NVIDIA accelerated graphics driver (Proprietary, Enabled, In use) + xorg:nvidia_current_updates - NVIDIA accelerated graphics driver (post-release updates) (Proprietary, Disabled, Not in use) MachineType: Apple Inc. MacBookPro5,5 ProcCmdline: Compiz ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.2.0-17-generic root=UUID=7b317aa3-857b-4076-888b-7d3602de212a ro quiet splash vt.handoff=7 SegvAnalysis: - Segfault happened at: 0x7f56f26a6d74: movzbl (%rdi),%eax - PC (0x7f56f26a6d74) ok - source "(%rdi)" (0x00000000) not located in a known VMA region (needed readable region)! - destination "%eax" ok + Segfault happened at: 0x7f56f26a6d74: movzbl (%rdi),%eax + PC (0x7f56f26a6d74) ok + source "(%rdi)" (0x00000000) not located in a known VMA region (needed readable region)! + destination "%eax" ok SegvReason: reading NULL VMA Signal: 11 SourcePackage: compiz StacktraceTop: - ?? () from /lib/x86_64-linux-gnu/libc.so.6 - GLScreen::GLScreen(CompScreen*) () from /usr/lib/compiz/libopengl.so - PluginClassHandler<GLScreen, CompScreen, 4>::get(CompScreen*) () from /usr/lib/compiz/libopengl.so - CompPlugin::VTableForScreenAndWindow<GLScreen, GLWindow>::initScreen(CompScreen*) () from /usr/lib/compiz/libopengl.so - CompManager::initPlugin(CompPlugin*) () from /usr/lib/libcompiz_core.so.ABI-20120216 + ?? () from /lib/x86_64-linux-gnu/libc.so.6 + GLScreen::GLScreen(CompScreen*) () from /usr/lib/compiz/libopengl.so + PluginClassHandler<GLScreen, CompScreen, 4>::get(CompScreen*) () from /usr/lib/compiz/libopengl.so + CompPlugin::VTableForScreenAndWindow<GLScreen, GLWindow>::initScreen(CompScreen*) () from /usr/lib/compiz/libopengl.so + CompManager::initPlugin(CompPlugin*) () from /usr/lib/libcompiz_core.so.ABI-20120216 Title: compiz crashed with SIGSEGV in GLScreen::GLScreen() UpgradeStatus: Upgraded to precise on 2012-03-02 (0 days ago) UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo dmi.bios.date: 06/15/09 dmi.bios.vendor: Apple Inc. dmi.bios.version: MBP55.88Z.00AC.B03.0906151708 dmi.board.asset.tag: Base Board Asset Tag# dmi.board.name: Mac-F2268AC8 dmi.board.vendor: Apple Inc. dmi.chassis.asset.tag: Asset Tag# dmi.chassis.type: 10 dmi.chassis.vendor: Apple Inc. dmi.chassis.version: Mac-F2268AC8 dmi.modalias: dmi:bvnAppleInc.:bvrMBP55.88Z.00AC.B03.0906151708:bd06/15/09:svnAppleInc.:pnMacBookPro5,5:pvr1.0:rvnAppleInc.:rnMac-F2268AC8:rvr:cvnAppleInc.:ct10:cvrMac-F2268AC8: dmi.product.name: MacBookPro5,5 dmi.product.version: 1.0 dmi.sys.vendor: Apple Inc. version.compiz: compiz 1:0.9.7.0~bzr2995-0ubuntu5 version.ia32-libs: ia32-libs N/A 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.nvidia-graphics-drivers: nvidia-graphics-drivers N/A 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 1:6.14.99~git20111219.aacbd629-0ubuntu2 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 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/944653 Title: compiz crashed on startup with SIGSEGV in strstr() from GLScreen::GLScreen() To manage notifications about this bug go to: https://bugs.launchpad.net/compiz/+bug/944653/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs