compiz assert failure: compiz: ../../nouveau/nouveau_pushbuf.c:273: nouveau_pushbuf_flush: Assertion `!nouveau_pushbuf_space(chan, min)' failed.

[Enkouyami]

It happened minutes after startup. I restarted after updating around 522 packages on the ubuntu 11.10 livecd.

ProblemType: Crash
DistroRelease: Ubuntu 11.10
Package: compiz-core 1:0.9.6+bzr20110929-0ubuntu3
ProcVersionSignature: Ubuntu 3.0.0-11.18-generic 3.0.4
Uname: Linux 3.0.0-11-generic i686
.tmp.unity.support.test.0:

ApportVersion: 1.23-0ubuntu3
Architecture: i386
AssertionMessage: compiz: ../../nouveau/nouveau_pushbuf.c:273: nouveau_pushbuf_flush: Assertion `!nouveau_pushbuf_space(chan, min)' failed.
CasperVersion: 1.285
CompizPlugins: [core,bailer,detection,composite,opengl,compiztoolbox,decor,gnomecompat,grid,imgpng,mousepoll,move,place,regex,resize,session,snap,unitymtgrabhandles,vpswitch,wall,animation,expo,ezoom,fade,scale,unityshell,workarounds]
CompositorRunning: compiz
Date: Sun Oct 9 23:28:06 2011
DistUpgraded: Fresh install
DistroCodename: oneiric
DistroVariant: ubuntu
ExecutablePath: /usr/bin/compiz
GraphicsCard:
 nVidia Corporation C73 [GeForce 7100 / nForce 620i] [10de:07e5] (rev a2) (prog-if 00 [VGA controller])
   Subsystem: Acer Incorporated [ALI] Device [1025:0137]
LiveMediaBuild: Ubuntu 11.10 "Oneiric Ocelot" - Beta i386 (20110921.2)
Lsusb:
 Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
 Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
 Bus 001 Device 003: ID 0781:5406 SanDisk Corp. Cruzer Micro U3
 Bus 002 Device 002: ID 058f:9360 Alcor Micro Corp. 8-in-1 Media Card Reader
 Bus 002 Device 003: ID 0461:4d22 Primax Electronics, Ltd
MachineType: ACER Aspire M1640
ProcCmdline: compiz
ProcEnviron:
 PATH=(custom, no user)
 LANG=en_US.UTF-8
 SHELL=/bin/bash
ProcKernelCmdLine: initrd=/casper/initrd.lz file=/cdrom/preseed/hostname.seed boot=casper quiet splash -- persistent BOOT_IMAGE=/casper/vmlinuz
Signal: 6
SourcePackage: compiz
StacktraceTop:
 __kernel_vsyscall ()
 raise () from /lib/i386-linux-gnu/libc.so.6
 abort () from /lib/i386-linux-gnu/libc.so.6
 __assert_fail () from /lib/i386-linux-gnu/libc.so.6
 nouveau_pushbuf_flush () from /usr/lib/i386-linux-gnu/libdrm_nouveau.so.1
Title: compiz assert failure: compiz: ../../nouveau/nouveau_pushbuf.c:273: nouveau_pushbuf_flush: Assertion `!nouveau_pushbuf_space(chan, min)' failed.
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare
dmi.bios.date: 02/26/2009
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: R01-C2
dmi.board.asset.tag: To Be Filled By O.E.M.
dmi.board.name: MCP73VE
dmi.board.vendor: ACER
dmi.board.version: NVIDIA MCP73
dmi.chassis.asset.tag: To Be Filled By O.E.M.
dmi.chassis.type: 3
dmi.chassis.vendor: To Be Filled By O.E.M.
dmi.chassis.version: To Be Filled By O.E.M.
dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrR01-C2:bd02/26/2009:svnACER:pnAspireM1640:pvrR01-C2:rvnACER:rnMCP73VE:rvrNVIDIAMCP73:cvnToBeFilledByO.E.M.:ct3:cvrToBeFilledByO.E.M.:
dmi.product.name: Aspire M1640
dmi.product.version: R01-C2
dmi.sys.vendor: ACER
version.compiz: compiz 1:0.9.6+bzr20110929-0ubuntu3
version.libdrm2: libdrm2 2.4.26-1ubuntu1
version.libgl1-mesa-dri: libgl1-mesa-dri 7.11-0ubuntu3
version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental 7.11-0ubuntu3
version.libgl1-mesa-glx: libgl1-mesa-glx 7.11-0ubuntu3
version.xserver-xorg: xserver-xorg 1:7.6+7ubuntu7
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.6.0-1ubuntu13
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:6.14.99~git20110811.g93fc084-0ubuntu1
version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.15.901-1ubuntu2
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:0.0.16+git20110411+8378443-1

[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 #757251, 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.