Fix Released in Unity Unity 7.0.0 "R series".
** Changed in: unity
Status: Fix Committed => Fix Released
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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]
Status in Unity:
Fix Released
Status in Unity 5.0 series:
New
Status in Unity 6.0 series:
Fix Released
Status in “unity” package in Ubuntu:
Fix Released
Status in “unity” source package in Quantal:
Fix Released
Bug description:
[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: `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
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