[Bug 793520] Re: btrfsck crashed with SIGSEGV in __libc_start_main()

[Apport retracing service]

*** This bug is a duplicate of bug 757729 ***
    https://bugs.launchpad.net/bugs/757729

Thank you for taking the time to report this crash and helping to make
Ubuntu better.  This particular crash has already been reported and is a
duplicate of bug #757729, so is being marked as such.  Please look at
the other bug report to see if there is any missing information that you
can provide, or to see if there is a workaround for the bug.
Additionally, any further discussion regarding the bug should occur in
the other report.  Please continue to report any other bugs you may
find.

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** This bug has been marked a duplicate of private bug 757729

** Visibility changed to: Public

** Tags removed: need-amd64-retrace

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https://bugs.launchpad.net/bugs/793520

Title:
  btrfsck crashed with SIGSEGV in __libc_start_main()

Status in “btrfs-tools” package in Ubuntu:
  New

Bug description:
  Binary package hint: btrfs-tools

  just try to run a filesystem check

  ProblemType: Crash
  DistroRelease: Ubuntu 11.04
  Package: btrfs-tools 0.19+20100601-3ubuntu2
  ProcVersionSignature: Ubuntu 2.6.38-8.42-generic 2.6.38.2
  Uname: Linux 2.6.38-8-generic x86_64
  NonfreeKernelModules: nvidia
  Architecture: amd64
  CrashCounter: 1
  Date: Mon Jun  6 15:07:33 2011
  ExecutablePath: /sbin/btrfsck
  InstallationMedia: Ubuntu 9.10 "Karmic Koala" - Release amd64 (20091027)
  ProcCmdline: btrfsck /dev/sde2
  ProcEnviron:
   LANGUAGE=de_DE:en
   PATH=(custom, no user)
   LANG=de_DE.UTF-8
   SHELL=/bin/bash
  SegvAnalysis:
   Segfault happened at: 0x40f891:	mov    0x58(%rbp),%rbx
   PC (0x0040f891) ok
   source "0x58(%rbp)" (0x000000bc) not located in a known VMA region (needed readable region)!
   destination "%rbx" ok
  SegvReason: reading NULL VMA
  Signal: 11
  SourcePackage: btrfs-tools
  StacktraceTop:
   ?? ()
   ?? ()
   ?? ()
   ?? ()
   __libc_start_main (main=0x405098, argc=2, ubp_av=0x7fff2a24b828, init=<value optimized out>, fini=<value optimized out>, rtld_fini=<value optimized out>, stack_end=0x7fff2a24b818) at libc-start.c:226
  Title: btrfsck crashed with SIGSEGV in __libc_start_main()
  UpgradeStatus: Upgraded to natty on 2011-06-06 (0 days ago)
  UserGroups: