compiz crashed with SIGSEGV in g_source_unref() when starting gitk

[Anders Kaseorg]

Binary package hint: compiz

This happens every time I run ‘gitk’.

ProblemType: Crash
DistroRelease: Ubuntu 11.04
Package: compiz-core 1:0.9.4git20110322-0ubuntu2
ProcVersionSignature: Ubuntu 2.6.38-7.38-generic 2.6.38
Uname: Linux 2.6.38-7-generic x86_64
NonfreeKernelModules: openafs nvidia
.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 270.30 Fri Feb 25 14:34:55 PST 2011
 GCC version: gcc version 4.5.2 (Ubuntu/Linaro 4.5.2-6ubuntu4)
Architecture: amd64
CompizPlugins: [core,bailer,detection,composite,opengl,compiztoolbox,decor,gnomecompat,resize,mousepoll,obs,place,regex,vpswitch,snap,move,resizeinfo,animation,wall,expo,session,ezoom,workarounds,staticswitcher,fade,scale]
CompositorRunning: None
Date: Thu Mar 24 13:13:49 2011
DistUpgraded: Fresh install
DistroCodename: natty
DistroVariant: ubuntu
DkmsStatus:
 nvidia-current, 270.30, 2.6.38-7-generic, x86_64: installed
 openafs, 1.6.0pre3, 2.6.38-7-generic, x86_64: installed
EcryptfsInUse: Yes
ExecutablePath: /usr/bin/compiz
GraphicsCard:
 nVidia Corporation GT218 [NVS 3100M] [10de:0a6c] (rev a2) (prog-if 00 [VGA controller])
   Subsystem: Lenovo Device [17aa:21d7]
InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Alpha amd64 (20101202)
InstallationMedia_: Ubuntu 11.04 "Natty Narwhal" - Alpha amd64 (20101202)
JockeyStatus: xorg:nvidia_current - NVIDIA accelerated graphics driver (Proprietary, Enabled, In use)
MachineType: LENOVO 4313CTO
ProcCmdline: /usr/bin/compiz
ProcEnviron:
 LANGUAGE=en_US:en
 PATH=(custom, user)
 LANG=en_US.utf8
 SHELL=/bin/bash
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.38-7-generic root=/dev/mapper/fdisk-ubuntu ro quiet splash vt.handoff=7
ProcVersionSignature_: Ubuntu 2.6.38-7.38-generic 2.6.38
Renderer: Unknown
SegvAnalysis:
 Segfault happened at: 0x7fbd22e31f45 <g_source_unref+5>: mov 0x20(%rdi),%rsi
 PC (0x7fbd22e31f45) ok
 source "0x20(%rdi)" (0x200000023) not located in a known VMA region (needed readable region)!
 destination "%rsi" ok
SegvReason: reading unknown VMA
Signal: 11
SourcePackage: compiz
StacktraceTop:
 g_source_unref (source=0x200000003) at /build/buildd/glib2.0-2.28.4/./glib/gmain.c:1734
 PrivateScreen::~PrivateScreen() ()
 PrivateScreen::~PrivateScreen() ()
 CompScreen::~CompScreen() ()
 CompScreen::~CompScreen() ()
Title: compiz crashed with SIGSEGV in g_source_unref()
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm admin cdrom dialout fuse lpadmin plugdev sambashare
dmi.bios.date: 10/26/2010
dmi.bios.vendor: LENOVO
dmi.bios.version: 6MET81WW (1.41 )
dmi.board.name: 4313CTO
dmi.board.vendor: LENOVO
dmi.board.version: Not Available
dmi.chassis.asset.tag: No Asset Information
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: Not Available
dmi.modalias: dmi:bvnLENOVO:bvr6MET81WW(1.41):bd10/26/2010:svnLENOVO:pn4313CTO:pvrThinkPadT510:rvnLENOVO:rn4313CTO:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable:
dmi.product.name: 4313CTO
dmi.product.version: ThinkPad T510
dmi.sys.vendor: LENOVO
version.compiz: compiz 1:0.9.4git20110322-0ubuntu2
version.libdrm2: libdrm2 2.4.23-1ubuntu5
version.libgl1-mesa-glx: libgl1-mesa-glx 7.10.1-0ubuntu3
version.nvidia-graphics-drivers: nvidia-graphics-drivers N/A
version.xserver-xorg: xserver-xorg 1:7.6~3ubuntu11
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:6.14.0-0ubuntu4
version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.14.0-4ubuntu4
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:0.0.16+git20110107+b795ca6e-0ubuntu6

[Apport retracing service (apport)]

StacktraceTop:
 g_source_unref (source=0x200000003) at /build/buildd/glib2.0-2.28.4/./glib/gmain.c:1734
 ~_List_base (this=0xb45ab0, __in_chrg=<value optimized out>) at /usr/include/c++/4.5/bits/stl_list.h:360
 ~list (this=0xb45ab0, __in_chrg=<value optimized out>) at /usr/include/c++/4.5/bits/stl_list.h:418
 PrivateScreen::~PrivateScreen (this=0xb45ab0, __in_chrg=<value optimized out>) at /build/buildd/compiz-0.9.4git20110322/src/screen.cpp:4816
 __exchange_and_add_single (this=0xb45ab0, __in_chrg=<value optimized out>) at /usr/include/c++/4.5/ext/atomicity.h:65

[Anders Kaseorg (andersk)]

I’ve reproduced this with the nvidia, nouveau, and intel drivers, so it isn’t driver-specific.

[Anders Kaseorg (andersk)]

This problem goes away after downgrading compiz from 0.9.4git20110322 to 0.9.4 (and downgrading everything else that depends compiz-core-abiversion-20110322).

It also didn’t happen in maverick.

[matejcik (matejcik)]

reproduced also with radeon driver

[Anders Kaseorg (andersk)]

I’m going to mark this as duplicate of bug 747439, since this seems to be fixed in ppa:unity/daily.