compiz crashed with SIGSEGV in nux::WindowCompositor::DndEventCycle()

[Saikrishna Arcot]

I was using FileZilla when compiz crashed.

ProblemType: Crash
DistroRelease: Ubuntu 13.04
Package: compiz-core 1:0.9.9~daily13.06.19~13.04-0ubuntu1
ProcVersionSignature: Ubuntu 3.8.0-30.44-generic 3.8.13.6
Uname: Linux 3.8.0-30-generic x86_64
.tmp.unity.support.test.0:

ApportVersion: 2.9.2-0ubuntu8.3
Architecture: amd64
CompizPlugins: No value set for `/apps/compiz-1/general/screen0/options/active_plugins'
CompositorRunning: compiz
CompositorUnredirectDriverBlacklist: '(nouveau|Intel).*Mesa 8.0'
CompositorUnredirectFSW: true
Date: Fri Sep 6 18:01:35 2013
DistUpgraded: 2013-04-27 05:53:14,747 DEBUG enabling apt cron job
DistroCodename: raring
DistroVariant: ubuntu
DkmsStatus:
 synaptics, 1.0.0: added
 Error! Could not locate dkms.conf file.
 File: does not exist.
EcryptfsInUse: Yes
ExecutablePath: /usr/bin/compiz
GraphicsCard:
 Intel Corporation 2nd Generation Core Processor Family Integrated Graphics Controller [8086:0116] (rev 09) (prog-if 00 [VGA controller])
   Subsystem: Hewlett-Packard Company Device [103c:167e]
InstallationDate: Installed on 2012-10-19 (321 days ago)
InstallationMedia: Ubuntu 12.10 "Quantal Quetzal" - Release amd64 (20121017.5)
MachineType: Hewlett-Packard HP ProBook 4430s
MarkForUpload: True
PlymouthDebug: Error: [Errno 13] Permission denied: '/var/log/plymouth-debug.log'
ProcCmdline: compiz
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.8.0-30-generic root=UUID=d88fcb74-26b2-4ffe-98e7-ddaf138fd1cb ro quiet splash vt.handoff=7
SegvAnalysis:
 Segfault happened at: 0x7f0f4ce40efc <_ZN3nux16WindowCompositor13DndEventCycleERNS_5EventE+236>: mov (%rax),%rax
 PC (0x7f0f4ce40efc) ok
 source "(%rax)" (0x00000000) not located in a known VMA region (needed readable region)!
 destination "%rax" ok
SegvReason: reading NULL VMA
Signal: 11
SourcePackage: compiz
StacktraceTop:
 nux::WindowCompositor::DndEventCycle(nux::Event&) () from /usr/lib/x86_64-linux-gnu/libnux-4.0.so.0
 nux::WindowCompositor::ProcessEvent(nux::Event&) () from /usr/lib/x86_64-linux-gnu/libnux-4.0.so.0
 nux::WindowThread::DoProcessEvent(nux::Event&) () from /usr/lib/x86_64-linux-gnu/libnux-4.0.so.0
 nux::nux_event_dispatch(_GSource*, int (*)(void*), void*) () from /usr/lib/x86_64-linux-gnu/libnux-4.0.so.0
 g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
Title: compiz crashed with SIGSEGV in nux::WindowCompositor::DndEventCycle()
UpgradeStatus: Upgraded to raring on 2013-04-27 (132 days ago)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sbuild sudo vboxusers video wireshark
dmi.bios.date: 09/18/2012
dmi.bios.vendor: Hewlett-Packard
dmi.bios.version: 68SRR Ver. F.29
dmi.board.name: 167E
dmi.board.vendor: Hewlett-Packard
dmi.board.version: KBC Version 22.24
dmi.chassis.asset.tag: CNU13652JC
dmi.chassis.type: 10
dmi.chassis.vendor: Hewlett-Packard
dmi.modalias: dmi:bvnHewlett-Packard:bvr68SRRVer.F.29:bd09/18/2012:svnHewlett-Packard:pnHPProBook4430s:pvrA0001D02:rvnHewlett-Packard:rn167E:rvrKBCVersion22.24:cvnHewlett-Packard:ct10:cvr:
dmi.product.name: HP ProBook 4430s
dmi.product.version: A0001D02
dmi.sys.vendor: Hewlett-Packard
version.compiz: compiz 1:0.9.9~daily13.06.19~13.04-0ubuntu1
version.ia32-libs: ia32-libs 20090808ubuntu36
version.libdrm2: libdrm2 2.4.45-0ubuntu1
version.libgl1-mesa-dri: libgl1-mesa-dri 9.1.3-0ubuntu0.3
version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental 9.1.3-0ubuntu0.3
version.libgl1-mesa-glx: libgl1-mesa-glx 9.1.3-0ubuntu0.3
version.xserver-xorg-core: xserver-xorg-core 2:1.13.3-0ubuntu6
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.7.3-0ubuntu2b2
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:7.1.0-0ubuntu2
version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.21.9-0ubuntu0~raring
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.7-0ubuntu1
xserver.bootTime: Fri Sep 6 06:33:07 2013
xserver.configfile: default
xserver.errors:

xserver.logfile: /var/log/Xorg.0.log
xserver.version: 2:1.13.3-0ubuntu6
xserver.video_driver: intel

[Saikrishna Arcot (saiarcot895)]

This might end up being a duplicate of bug #1194199.

[Apport retracing service (apport)]

Thank you for taking the time to report this crash and helping to make this software better. This particular crash has already been reported and is a duplicate of bug #1197205, so is being marked as such. Please look at the other bug report to see if there is any missing information that you can provide, or to see if there is a workaround for the bug. Additionally, any further discussion regarding the bug should occur in the other report. Please continue to report any other bugs you may find.