This bug was fixed in the package mesa - 8.0.2-0ubuntu2
---------------
mesa (8.0.2-0ubuntu2) precise; urgency=low
[ Robert Hooker ]
* Add 117_intel_fix_hiz_null_dereference.patch fixing a null deference
when processing HiZ buffers (LP: #926379)
-- Timo Aaltonen <[email protected]> Thu, 22 Mar 2012 21:25:52 +0200
** Changed in: mesa (Ubuntu)
Status: Triaged => Fix Released
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https://bugs.launchpad.net/bugs/926379
Title:
compiz crashed with SIGSEGV in intel_miptree_release()
Status in X.org xf86-video-intel:
Confirmed
Status in “mesa” package in Ubuntu:
Fix Released
Status in “unity” package in Ubuntu:
Invalid
Bug description:
i just update
<czajkowski> bryceh: alt tab through applications fast
<czajkowski> vlc thunderbird, 2 terminals and 2 chromes out
<czajkowski> seems to make it have a hissy fit
ProblemType: Crash
DistroRelease: Ubuntu 12.04
Package: unity 5.2.0-0ubuntu1
ProcVersionSignature: Ubuntu 3.2.0-12.21-ux31 3.2.2
Uname: Linux 3.2.0-12-ux31 x86_64
ApportVersion: 1.91-0ubuntu1
Architecture: amd64
CrashCounter: 1
Date: Fri Feb 3 23:10:11 2012
ExecutablePath: /usr/bin/compiz
InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Alpha amd64
(20120125)
ProcCmdline: compiz
SegvAnalysis:
Segfault happened at: 0x7f109783fd49 <intel_miptree_release+9>: mov
(%rdi),%rcx
PC (0x7f109783fd49) ok
source "(%rdi)" (0x00000220) not located in a known VMA region (needed
readable region)!
destination "%rcx" ok
SegvReason: reading NULL VMA
Signal: 11
SourcePackage: unity
StacktraceTop:
intel_miptree_release () from /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
intel_update_renderbuffers () from /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
intelSetTexBuffer2 () from /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
TfpTexture::bindPixmapToTexture(unsigned long, int, int, int) () from
/usr/lib/compiz/libopengl.so
boost::detail::function::function_invoker4<GLTexture::List (*)(unsigned
long, int, int, int), GLTexture::List, unsigned long, int, int,
int>::invoke(boost::detail::function::function_buffer&, unsigned long, int,
int, int) () from /usr/lib/compiz/libopengl.so
Title: compiz crashed with SIGSEGV in intel_miptree_release()
UpgradeStatus: Upgraded to precise on 2012-02-03 (0 days ago)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
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