compiz crashed with SIGSEGV in malloc()

[BertN45]

Binary package hint: unity

It crashed after the next sequence:
1. Opened the applications menu from the left launcher.
2. Tried to close it pressing ESC a couple of times (2 or 3)
3. tried to open the window by pressing the top/left icon of the top bar.

ProblemType: Crash
DistroRelease: Ubuntu 11.04
Package: unity 3.4.6-0ubuntu2
ProcVersionSignature: Ubuntu 2.6.38-5.32-generic 2.6.38-rc6
Uname: Linux 2.6.38-5-generic i686
Architecture: i386
Date: Mon Feb 28 21:18:00 2011
ExecutablePath: /usr/bin/compiz
InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Alpha i386 (20110202)
ProcCmdline: compiz
ProcEnviron:
 LANGUAGE=en_US:en
 LANG=en_US.UTF-8
 SHELL=/bin/bash
SegvAnalysis:
 Segfault happened at: 0x323cc2: mov 0x4(%edi),%edx
 PC (0x00323cc2) ok
 source "0x4(%edi)" (0x64174c24) not located in a known VMA region (needed readable region)!
 destination "%edx" ok
SegvReason: reading unknown VMA
Signal: 11
SourcePackage: unity
StacktraceTop:
 ?? () from /lib/libc.so.6
 ?? () from /lib/libc.so.6
 malloc () from /lib/libc.so.6
 ?? () from /usr/lib/dri/r300_dri.so
 ?? () from /usr/lib/dri/r300_dri.so
Title: compiz crashed with SIGSEGV in malloc()
UpgradeStatus: Upgraded to natty on 2011-02-25 (3 days ago)
UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare
XsessionErrors: (nautilus:1383): GConf-CRITICAL **: gconf_value_free: assertion `value != NULL' failed

[Apport retracing service (apport)]

StacktraceTop:
 malloc_consolidate () from /lib/libc.so.6
 _int_malloc () from /lib/libc.so.6
 malloc () from /lib/libc.so.6
 fetch_pipeline_generic () from /usr/lib/dri/r300_dri.so
 fetch_pipeline_linear_run () from /usr/lib/dri/r300_dri.so

[Pedro Villavicencio (pedro)]

is this still an issue with latest packages? Please test and comment back, thanks.