** Description changed: - Test case: + [IMPACT] + + Invalid reference counting could cause compiz/unity to crash, although + the usage of slice allocator under normal circumstances workarounds + that. + + [TESTCASE] + 1. Open a terminal (Ctrl+Alt+T) - 2. Run: env MALLOC_CHECK_=3 G_SLICE=always-malloc unity --replace + 2. Run: `MALLOC_CHECK_=3 G_SLICE=always-malloc unity --replace` Expected: Unity/Compiz restarts and is usable. Observed: Unity/Compiz crashes. + + [Regression Potential] + + * compiz crashes shortly after start + * trash icon is not usable ORIGINAL DESCRIPTION: Hello, Daniel Angel, in bug 750386, asked us to test this command line: env MALLOC_CHECK_=3 G_SLICE=always-malloc unity --replace wich makes Unity/compiz crashed. ProblemType: Crash DistroRelease: Ubuntu 12.10 Package: compiz-core 1:0.9.8.4-0ubuntu1 ProcVersionSignature: Ubuntu 3.5.0-16.25-generic 3.5.4 Uname: Linux 3.5.0-16-generic i686 NonfreeKernelModules: wl .tmp.unity.support.test.0: ApportVersion: 2.6.1-0ubuntu1 Architecture: i386 CheckboxSubmission: 089e3c944ec0c0ba294fba3f2fda5dbe CheckboxSystem: e2a9e28435948e86843155dc45ba128e CompizPlugins: [core,composite,opengl,compiztoolbox,decor,vpswitch,snap,mousepoll,resize,place,move,wall,grid,regex,imgpng,session,gnomecompat,animation,fade,workarounds,scale,expo,ezoom] CompositorRunning: compiz Date: Thu Oct 4 12:12:08 2012 DistUpgraded: 2012-08-27 16:56:34,598 DEBUG enabling apt cron job DistroCodename: quantal DistroVariant: ubuntu ExecutablePath: /usr/bin/compiz GraphicsCard: Advanced Micro Devices [AMD] nee ATI RV630 [Mobility Radeon HD 2600 XT] [1002:9583] (prog-if 00 [VGA controller]) Subsystem: Apple Inc. Device [106b:0083] InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Alpha i386 (20120222) MachineType: Apple Inc. iMac7,1 ProcCmdline: compiz --replace ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.5.0-16-generic root=UUID=147fe03f-9d3d-456c-a928-248ec8a163cf ro quiet splash vt.handoff=7 SegvAnalysis: Segfault happened at: 0xb6fecfc7 <g_type_check_instance_is_a+87>: testb $0x4,0xe(%ecx) PC (0xb6fecfc7) ok source "$0x4" ok destination "0xe(%ecx)" (0x03a7fe26) not located in a known VMA region (needed writable region)! SegvReason: writing unknown VMA Signal: 11 SourcePackage: compiz StacktraceTop: g_type_check_instance_is_a () from /usr/lib/i386-linux-gnu/libgobject-2.0.so.0 g_object_unref () from /usr/lib/i386-linux-gnu/libgobject-2.0.so.0 ?? () from /usr/lib/i386-linux-gnu/libgio-2.0.so.0 ?? () from /usr/lib/i386-linux-gnu/libgio-2.0.so.0 g_object_unref () from /usr/lib/i386-linux-gnu/libgobject-2.0.so.0 Title: compiz crashed with SIGSEGV in g_type_check_instance_is_a() UpgradeStatus: Upgraded to quantal on 2012-08-27 (37 days ago) UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo XsessionErrors: gnome-session[3419]: WARNING: Application 'compiz.desktop' killed by signal 9 gnome-session[3419]: WARNING: App 'compiz.desktop' respawning too quickly gnome-session[3419]: CRITICAL: We failed, but the fail whale is dead. Sorry.... gnome-session[3419]: WARNING: App 'compiz.desktop' respawning too quickly dmi.bios.date: 03/05/08 dmi.bios.vendor: Apple Inc. dmi.bios.version: IM71.88Z.007A.B03.0803051705 dmi.board.asset.tag: Base Board Asset Tag dmi.board.name: Mac-F4238CC8 dmi.board.vendor: Apple Inc. dmi.board.version: PVT dmi.chassis.asset.tag: Asset Tag# dmi.chassis.type: 13 dmi.chassis.vendor: Apple Inc. dmi.chassis.version: Mac-F4238CC8 dmi.modalias: dmi:bvnAppleInc.:bvrIM71.88Z.007A.B03.0803051705:bd03/05/08:svnAppleInc.:pniMac7,1:pvr1.0:rvnAppleInc.:rnMac-F4238CC8:rvrPVT:cvnAppleInc.:ct13:cvrMac-F4238CC8: dmi.product.name: iMac7,1 dmi.product.version: 1.0 dmi.sys.vendor: Apple Inc. version.compiz: compiz 1:0.9.8.4-0ubuntu1 version.libdrm2: libdrm2 2.4.39-0ubuntu1 version.libgl1-mesa-dri: libgl1-mesa-dri 9.0~git20120917.7cfd42ce-0ubuntu3 version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A version.libgl1-mesa-glx: libgl1-mesa-glx 9.0~git20120917.7cfd42ce-0ubuntu3 version.xserver-xorg-core: xserver-xorg-core 2:1.13.0-0ubuntu5 version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.7.3-0ubuntu1 version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:6.99.99~git20120913.8637f772-0ubuntu1 version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.20.9-0ubuntu2 version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.2-0ubuntu2
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1061510 Title: compiz crashed with SIGSEGV in g_type_check_instance_is_a() from g_object_unref() from _g_file_attribute_value_clear() from ... from query_info_async_cb() [libgvfsdbus.so] To manage notifications about this bug go to: https://bugs.launchpad.net/unity/+bug/1061510/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
