compiz crashed with SIGSEGV in malloc_consolidate()

Bug #927201 reported by Franco Bombi on 2012-02-05
14
This bug affects 1 person
Affects Status Importance Assigned to Milestone
Nux
Won't Fix
Medium
Unassigned
nux (Ubuntu)
Medium
Unassigned

Bug Description

compiz crashed at the first attempt to change settings in a fresh install with CompizConfig Settings manager

ProblemType: Crash
DistroRelease: Ubuntu 12.04
Package: libnux-2.0-0 2.2.0-0ubuntu1
ProcVersionSignature: Ubuntu 3.2.0-14.23-generic-pae 3.2.3
Uname: Linux 3.2.0-14-generic-pae i686
NonfreeKernelModules: fglrx
ApportVersion: 1.91-0ubuntu1
Architecture: i386
Date: Sun Feb 5 16:53:56 2012
ExecutablePath: /usr/bin/compiz
InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Alpha i386 (20120205)
ProcCmdline: compiz
ProcEnviron:
 PATH=(custom, no user)
 LANG=en_US.UTF-8
 SHELL=/bin/bash
SegvAnalysis:
 Segfault happened at: 0xb6d1ebed: cmp 0xc(%eax),%esi
 PC (0xb6d1ebed) ok
 source "0xc(%eax)" (0x0002ff10) not located in a known VMA region (needed readable region)!
 destination "%esi" ok
SegvReason: reading unknown VMA
Signal: 11
SourcePackage: nux
StacktraceTop:
 ?? () from /lib/i386-linux-gnu/libc.so.6
 ?? () from /lib/i386-linux-gnu/libc.so.6
 free () from /lib/i386-linux-gnu/libc.so.6
 operator delete(void*) () from /usr/lib/i386-linux-gnu/libstdc++.so.6
 operator delete[](void*) () from /usr/lib/i386-linux-gnu/libstdc++.so.6
Title: compiz crashed with SIGSEGV in free()
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo

Franco Bombi (franco.bombi) wrote :
visibility: private → public
Phil. V (philip.v) wrote :

Thanks for your bug report. This still has the coredump attached, which can contain sensitive information, so I'm going to mark this as private until the retracer does its work and removes the attachment.

visibility: public → private

StacktraceTop:
 malloc_consolidate (av=0xb6e28400) at malloc.c:5161
 malloc_consolidate (av=0xb6e28400) at malloc.c:5089
 _int_free (av=0xb6e28400, p=0xb2d23f8) at malloc.c:5034
 __GI___libc_free (mem=0xb331700) at malloc.c:3738
 operator delete (ptr=0xb331700) at ../../../../src/libstdc++-v3/libsupc++/del_op.cc:47

Changed in nux (Ubuntu):
importance: Undecided → Medium
summary: - compiz crashed with SIGSEGV in free()
+ compiz crashed with SIGSEGV in malloc_consolidate()
tags: removed: need-i386-retrace
Phil. V (philip.v) on 2012-02-06
visibility: private → public

thanks, at any rate I was testing on a new installation, you can mantain
the Public attribute
--fb

Il 06/02/2012 07:56, Phil. V ha scritto:
> Thanks for your bug report. This still has the coredump attached, which
> can contain sensitive information, so I'm going to mark this as private
> until the retracer does its work and removes the attachment.
>
> ** Visibility changed to: Private
>

--
Franco Bombi
<email address hidden>
+39 3472240520 - +39 049654025
skype franco.bombi

Changed in nux:
importance: Undecided → Medium
Will Cooke (willcooke) wrote :

As part of the big bug clear up for 16.04 LTS I am marking this bug as Wont Fix.
These types of crasher are better handled by errors.ubutnu.com which can collate similar crash reports to help us identify persitent bugs rather than one-off crashes.
Sorry we are not able to help with this specific issue. If you are still experiencing this crash, please re-open the bug and add the tag "desktop-bugscrub-reopened". See https://wiki.ubuntu.com/BigDesktopBugScrub for more information.

Changed in nux:
status: New → Won't Fix
Changed in nux (Ubuntu):
status: New → Won't Fix
tags: added: desktop-bugscrub-autoclosed
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