compiz assert failure: compiz: nouveau_context.c:260: nouveau_update_renderbuffers: Assertion `!ret' failed.

[Joseph C icalo]

Binary package hint: compiz

fresh install of 11.04 locked up computer after iphone being connected via usb

ProblemType: Crash
DistroRelease: Ubuntu 11.04
Package: compiz-core 1:0.9.4+bzr20110415-0ubuntu1
ProcVersionSignature: Ubuntu 2.6.38-8.42-generic 2.6.38.2
Uname: Linux 2.6.38-8-generic i686
Architecture: i386
AssertionMessage: compiz: nouveau_context.c:260: nouveau_update_renderbuffers: Assertion `!ret' failed.
CompizPlugins: [core,bailer,detection,composite,opengl,decor,mousepoll,vpswitch,regex,animation,snap,expo,move,compiztoolbox,place,grid,imgpng,gnomecompat,wall,ezoom,workarounds,staticswitcher,resize,fade,unitymtgrabhandles,scale,session,unityshell]
CompositorRunning: compiz
CrashCounter: 1
DRM.card0.VGA.1:
 status: connected
 enabled: enabled
 dpms: On
 modes: 1280x1024 1280x1024 1024x768 1024x768 1024x768 832x624 800x600 800x600 800x600 800x600 640x480 640x480 640x480 640x480 720x400
 edid-base64: AP///////wBSFoAXNQkAADMPAQNoIht4KjiPo1hGnSQXTFW/7wCBgAEBAQEBAQEBAQEBAQEBMCoAmFEAKkAwcBMAeC0RAAAeAAAA/wAzMTA1Q0pBMDAyMzU3AAAA/QA3Sx5TDgAKICAgICAgAAAA/ABOQ0EtNzAyCiAgICAgAP0=
Date: Sat Apr 16 12:22:11 2011
DistUpgraded: Log time: 2011-04-16 01:28:25.255187
DistroCodename: natty
DistroVariant: ubuntu
ExecutablePath: /usr/bin/compiz
GraphicsCard:
 nVidia Corporation NV11 [GeForce2 MX/MX 400] [10de:0110] (rev b2) (prog-if 00 [VGA controller])
   Subsystem: nVidia Corporation Device [10de:010f]
InstallationMedia: Ubuntu 10.10 "Maverick Meerkat" - Release i386 (20101007)
InstallationMedia_: Ubuntu 10.10 "Maverick Meerkat" - Release i386 (20101007)
Lsusb: Bus 001 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
MachineType: Dell Computer Corporation XPST800
ProcCmdline: /usr/bin/compiz
ProcEnviron:
 LANGUAGE=en_US:en
 LANG=en_US.UTF-8
 SHELL=/bin/bash
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.38-8-generic root=UUID=5d3a090c-da55-4010-bc20-21c901bb9073 ro quiet splash vt.handoff=7
ProcVersionSignature_: Ubuntu 2.6.38-8.42-generic 2.6.38.2
Renderer: Unknown
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_update_renderbuffers () from /usr/lib/dri/nouveau_vieux_dri.so
Title: compiz assert failure: compiz: nouveau_context.c:260: nouveau_update_renderbuffers: Assertion `!ret' failed.
UpgradeStatus: Upgraded to natty on 2011-04-16 (0 days ago)
UserGroups: adm admin audio cdrom dialout floppy fuse lpadmin nopasswdlogin plugdev sambashare video
XsessionErrors:
 (nautilus:1341): GConf-CRITICAL **: gconf_value_free: assertion `value != NULL' failed
 (nautilus:1341): GConf-CRITICAL **: gconf_value_free: assertion `value != NULL' failed
dmi.bios.date: 03/22/2000
dmi.bios.vendor: Intel Corp.
dmi.bios.version: A09
dmi.board.name: SE440BX-3
dmi.board.vendor: Intel Corporation
dmi.board.version: AA722396-304
dmi.chassis.asset.tag: 77YY20B
dmi.chassis.type: 2
dmi.chassis.vendor: Dell Computer Corporation
dmi.chassis.version: MT
dmi.modalias: dmi:bvnIntelCorp.:bvrA09:bd03/22/2000:svnDellComputerCorporation:pnXPST800:pvr:rvnIntelCorporation:rnSE440BX-3:rvrAA722396-304:cvnDellComputerCorporation:ct2:cvrMT:
dmi.product.name: XPST800
dmi.sys.vendor: Dell Computer Corporation
version.compiz: compiz 1:0.9.4+bzr20110415-0ubuntu1
version.libdrm2: libdrm2 2.4.23-1ubuntu6
version.libgl1-mesa-dri: libgl1-mesa-dri 7.10.2-0ubuntu1
version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
version.libgl1-mesa-glx: libgl1-mesa-glx 7.10.2-0ubuntu1
version.xserver-xorg: xserver-xorg 1:7.6+4ubuntu3
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:6.14.0-0ubuntu4
version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.14.0-4ubuntu7
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:0.0.16+git20110107+b795ca6e-0ubuntu7

[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 #748487, 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.