compiz assert failure: compiz: ../../nouveau/nouveau_pushbuf.c :273 : nouveau_pushbuf_flush: L'assertion « !nouveau_pushbuf_space(chan, min) » a échoué.

[Didier Misson]

simply restart the computer, logon, and start K3B...

ProblemType: Crash
DistroRelease: Ubuntu 11.10
Package: libnux-1.0-0 1.10.0-0ubuntu1
ProcVersionSignature: Ubuntu 3.0.0-11.18-generic 3.0.4
Uname: Linux 3.0.0-11-generic i686
ApportVersion: 1.23-0ubuntu1
Architecture: i386
AssertionMessage: compiz: ../../nouveau/nouveau_pushbuf.c :273 : nouveau_pushbuf_flush: L'assertion « !nouveau_pushbuf_space(chan, min) » a échoué.
CrashCounter: 1
Date: Tue Sep 20 21:47:53 2011
ExecutablePath: /usr/bin/compiz
InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Alpha i386 (20110705.1)
ProcCmdline: compiz
ProcEnviron:
 LANGUAGE=fr_BE:fr
 PATH=(custom, no user)
 LANG=fr_BE.UTF-8
 SHELL=/bin/bash
Signal: 6
SourcePackage: nux
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: L'assertion « !nouveau_pushbuf_space(chan, min) » a échoué.
UpgradeStatus: Upgraded to oneiric on 2011-08-27 (24 days ago)
UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare
XsessionErrors: (vino-server:1668): EggSMClient-CRITICAL **: egg_sm_client_set_mode: assertion `global_client == NULL || global_client_mode == EGG_SM_CLIENT_MODE_DISABLED' failed

[Apport retracing service (apport)]

StacktraceTop:
 __GI___assert_fail (assertion=0x2cd298c "!nouveau_pushbuf_space(chan, min)", file=0x2cd296c "../../nouveau/nouveau_pushbuf.c", line=273, function=0x2cd29b0 "nouveau_pushbuf_flush") at assert.c:81
 nouveau_pushbuf_flush (chan=0x9603948, min=0) at ../../nouveau/nouveau_pushbuf.c:273
 FIRE_RING (chan=0x9603948) at /usr/include/nouveau/nouveau_pushbuf.h:101
 nvfx_transfer_destroy (ptx=0xa688d80, pipe=0x95f2f00) at nvfx_transfer.c:148
 nvfx_transfer_destroy (pipe=0x95f2f00, ptx=0xa688d80) at nvfx_transfer.c:130

[Omer Akram (om26er)]

This bug was reported on a development snapshot of Unity but lacks elements for it to be actionable:
- there seems to be no reports of further occurences of the issue
- the bug cannot be reproduced reliably
- the information provided is not sufficient to track down the issue to a particular programming error.
Could you please check if this issue is present in the current version, and if it is reopen the bug to a NEW status.