compiz.real assert failure: compiz.real: ../../src/xcb_io.c:542: _XRead: Assertion `dpy->xcb->reply_data != ((void *)0)' failed.

[Alek Kowalczyk]

Binary package hint: compiz

Ubuntu 9.10, just upgraded from 9.04
Xorg "ati" driver.
Error ocured when tried to switch from metacity to compiz using "Compiz Fusion" icon. AWN taskbar just started to show when the error ocured. 100% reproducible.

ProblemType: Crash
Architecture: i386
AssertionMessage: compiz.real: ../../src/xcb_io.c:542: _XRead: Assertion `dpy->xcb->reply_data != ((void *)0)' failed.
CompizPlugins: [core,ccp,dbus,place,mousepoll,gnomecompat,move,resize,decoration,png,svg,imgjpeg,text,commands,neg,video,wall,snap,animation,scale,scaleaddon,expo,staticswitcher,regex,resizeinfo,workarounds,ezoom,vpswitch,extrawm,fade,session]
Date: Sat Oct 31 12:49:53 2009
DistroRelease: Ubuntu 9.10
ExecutablePath: /usr/bin/compiz.real
MachineType: Gigabyte Technology Co., Ltd. GA-MA78GPM-DS2H
NonfreeKernelModules: fglrx
Package: compiz-core 1:0.8.4-0ubuntu2
PciDisplay: 01:05.0 VGA compatible controller [0300]: ATI Technologies Inc Radeon HD 3200 Graphics [1002:9610]
ProcCmdLine: root=/dev/mapper/pdc_eibadhab1 ro quiet splash
ProcCmdline: compiz.real --replace --sm-disable --ignore-desktop-hints ccp --indirect-rendering
ProcEnviron:
 LANG=pl_PL.UTF-8
 SHELL=/bin/bash
ProcVersionSignature: Ubuntu 2.6.31-14.48-generic-pae
RelatedPackageVersions:
 xserver-xorg 1:7.4+3ubuntu7
 libgl1-mesa-glx 7.7.0~git20091019.ec5c2355-0ubuntu0tormod~jaunty
 libdrm2 2.4.15~git-0ubuntu0tormod~jaunty
 xserver-xorg-video-intel 2:2.9.0-1ubuntu2
 xserver-xorg-video-ati 1:6.12.99+git20091019.bd89b750-0ubuntu0tormod~jaunty
Signal: 6
SourcePackage: compiz
StacktraceTop:
 __kernel_vsyscall ()
 raise () from /lib/tls/i686/cmov/libc.so.6
 abort () from /lib/tls/i686/cmov/libc.so.6
 __assert_fail () from /lib/tls/i686/cmov/libc.so.6
 _XRead () from /usr/lib/libX11.so.6
Title: compiz.real assert failure: compiz.real: ../../src/xcb_io.c:542: _XRead: Assertion `dpy->xcb->reply_data != ((void *)0)' failed.
Uname: Linux 2.6.31-14-generic-pae i686
UserGroups: adm admin audio cdrom dialout dip fax fuse lpadmin netdev plugdev sambashare scanner tape video
dmi.bios.date: 12/16/2008
dmi.bios.vendor: Award Software International, Inc.
dmi.bios.version: F2
dmi.board.name: GA-MA78GPM-DS2H
dmi.board.vendor: Gigabyte Technology Co., Ltd.
dmi.board.version: x.x
dmi.chassis.type: 3
dmi.chassis.vendor: Gigabyte Technology Co., Ltd.
dmi.modalias: dmi:bvnAwardSoftwareInternational,Inc.:bvrF2:bd12/16/2008:svnGigabyteTechnologyCo.,Ltd.:pnGA-MA78GPM-DS2H:pvr:rvnGigabyteTechnologyCo.,Ltd.:rnGA-MA78GPM-DS2H:rvrx.x:cvnGigabyteTechnologyCo.,Ltd.:ct3:cvr:
dmi.product.name: GA-MA78GPM-DS2H
dmi.sys.vendor: Gigabyte Technology Co., Ltd.
system: distro = Ubuntu, architecture = i686, kernel = 2.6.31-14-generic-pae

[Apport retracing service (apport)]

Thank you for taking the time to report this crash and helping to make Ubuntu better. This particular crash has already been reported and is a duplicate of bug #431155, 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.