compiz crashed with SIGSEGV in memmove()

[Paddy Landau]

I was looking at the System Settings when this happened.

The machine had just been fully updated and then restarted.

I don't know what it means or even whether or not it is a duplicate, sorry. The auto-report came up.

ProblemType: Crash
DistroRelease: Ubuntu 12.10
Package: unity 6.2.0-0ubuntu3
ProcVersionSignature: Ubuntu 3.5.0-11.11-generic 3.5.2
Uname: Linux 3.5.0-11-generic x86_64
ApportVersion: 2.5.1-0ubuntu2
Architecture: amd64
CrashCounter: 1
Date: Sat Aug 25 12:57:59 2012
ExecutablePath: /usr/bin/compiz
InstallationMedia: Ubuntu 12.10 "Quantal Quetzal" - Alpha amd64 (20120724.2)
ProcCmdline: compiz
ProcEnviron:
 LANGUAGE=en_GB:en
 PATH=(custom, no user)
 LANG=en_GB.UTF-8
 SHELL=/bin/bash
SegvAnalysis:
 Segfault happened at: 0x7fa039e7dba0: movdqu -0x10(%rsi,%rdx,1),%xmm0
 PC (0x7fa039e7dba0) ok
 source "-0x10(%rsi,%rdx,1)" (0x4ec59e30) not located in a known VMA region (needed readable region)!
 destination "%xmm0" ok
SegvReason: reading unknown VMA
Signal: 11
SourcePackage: unity
StacktraceTop:
 ?? () from /lib/x86_64-linux-gnu/libc.so.6
 ?? () from /usr/lib/x86_64-linux-gnu/dri/swrast_dri.so
 ?? () from /usr/lib/x86_64-linux-gnu/dri/swrast_dri.so
 TfpTexture::bindTexImage(unsigned long const&) () from /usr/lib/compiz/libopengl.so
 TfpTexture::enable(GLTexture::Filter) () from /usr/lib/compiz/libopengl.so
Title: compiz crashed with SIGSEGV in TfpTexture::bindTexImage()
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo

[Apport retracing service (apport)]

StacktraceTop:
 memmove (__len=124924800, __src=<optimized out>, __dest=<optimized out>) at /usr/include/x86_64-linux-gnu/bits/string3.h:58
 drisw_update_tex_buffer (drawable=<optimized out>, ctx=<optimized out>, res=<optimized out>) at drisw.c:272
 dri_set_tex_buffer2 (pDRICtx=<optimized out>, target=3553, format=8410, dPriv=<optimized out>) at dri_drawable.c:234
 TfpTexture::bindTexImage (this=this@entry=0xef22ff0, glxPixmap=@0xef23020: 18877126) at /build/buildd/compiz-0.9.8+bzr3319/plugins/opengl/src/texture.cpp:450
 TfpTexture::enable (this=0xef22ff0, filter=GLTexture::Good) at /build/buildd/compiz-0.9.8+bzr3319/plugins/opengl/src/texture.cpp:613

[Launchpad Janitor (janitor)]

Status changed to 'Confirmed' because the bug affects multiple users.