[Bug 759148] Re: munin-graph crashed with SIGSEGV in Perl_mg_free()

[Brian Murray]

Thank you for taking the time to report this bug and helping to make Ubuntu better.  Looking at the bugs you've reported (and the lack of other bugs like this being reported) it seems quite likely that there is something going on with your installation or hardware.  Please run a memory test on your system to ensure that there are no hardware errors with your memory.
    
In the event that there are no memory errors please add the output from 'cat /proc/cpuinfo' and your '/var/log/dmesg' file to one of your bug reports.  If you do discover that your memory is bad please set this bug's status to Invalid.  Thanks in advance and good luck!

** Changed in: perl (Ubuntu)
       Status: New => Incomplete

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Title:
  munin-graph crashed with SIGSEGV in Perl_mg_free()

Status in “perl” package in Ubuntu:
  Incomplete

Bug description:
  Binary package hint: perl

  $ lsb_release -rd
  Description:    Ubuntu 10.10
  Release:        10.10

  $ apt-cache policy perl
  perl:
    Installed: 5.10.1-12ubuntu2
    Candidate: 5.10.1-12ubuntu2
    Version table:
   *** 5.10.1-12ubuntu2 0
          500 http://ua.archive.ubuntu.com/ubuntu/ maverick/main amd64 Packages
          100 /var/lib/dpkg/status

  ProblemType: Crash
  DistroRelease: Ubuntu 10.10
  Package: munin 1.4.5-1ubuntu2.1
  ProcVersionSignature: Ubuntu 2.6.35-28.50-server 2.6.35.11
  Uname: Linux 2.6.35-28-server x86_64
  Architecture: amd64
  CrashCounter: 1
  Date: Sat Apr  9 12:10:11 2011
  ExecutablePath: /usr/share/munin/munin-graph
  InterpreterPath: /usr/bin/perl
  PackageArchitecture: all
  ProcCmdline: /usr/bin/perl /usr/share/munin/munin-graph --cron
  ProcEnviron:
   PATH=(custom, no user)
   LANG=en_US.UTF-8
   SHELL=/bin/sh
  SegvAnalysis:
   Segfault happened at: 0x7f2e21315284 <Perl_mg_free+84>:	mov    0x8(%rbx),%rax
   PC (0x7f2e21315284) ok
   source "0x8(%rbx)" (0x04000008) not located in a known VMA region (needed readable region)!
   destination "%rax" ok
  SegvReason: reading unknown VMA
  Signal: 11
  SourcePackage: munin
  StacktraceTop:
   Perl_mg_free () from /usr/lib/libperl.so.5.10
   Perl_sv_clear () from /usr/lib/libperl.so.5.10
   Perl_sv_free2 () from /usr/lib/libperl.so.5.10
   Perl_av_clear () from /usr/lib/libperl.so.5.10
   Perl_leave_scope () from /usr/lib/libperl.so.5.10
  Title: munin-graph crashed with SIGSEGV in Perl_mg_free()
  UserGroups:

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