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[Bug 908868] Re: gdm-simple-slave crashed with SIGSEGV in _nss_compat_getpwnam_r()

 

*** This bug is a duplicate of bug 805154 ***
    https://bugs.launchpad.net/bugs/805154

Thank you for taking the time to report this crash and helping to make
this software better.  This particular crash has already been reported
and is a duplicate of bug #805154, 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.

** Attachment removed: "CoreDump.gz"
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** Attachment removed: "ProcStatus.txt"
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** Visibility changed to: Public

** This bug has been marked a duplicate of bug 805154
   gdm-simple-slave crashed with SIGSEGV in _nss_compat_getpwnam_r()

** Visibility changed to: Public

** Tags removed: need-i386-retrace

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https://bugs.launchpad.net/bugs/908868

Title:
  gdm-simple-slave crashed with SIGSEGV in _nss_compat_getpwnam_r()

Status in “gdm” package in Ubuntu:
  New

Bug description:
  startx /usr/bin/gnome-shell; # Works.

  startx; # This starts and displays an error, unlike GDM where X exits
  after the session leader segfaults.

  ProblemType: Crash
  DistroRelease: Ubuntu 12.04
  Package: gdm 3.0.4-0ubuntu12
  ProcVersionSignature: Ubuntu 3.2.0-6.12-generic-pae 3.2.0-rc6
  Uname: Linux 3.2.0-6-generic-pae i686
  ApportVersion: 1.90-0ubuntu1
  Architecture: i386
  Date: Mon Dec 26 14:39:30 2011
  ExecutablePath: /usr/lib/gdm/gdm-simple-slave
  ProcCmdline: /usr/lib/gdm/gdm-simple-slave --display-id /org/gnome/DisplayManager/Display1
  ProcEnviron:
   PATH=(custom, no user)
   LANG=C
  SegvAnalysis:
   Segfault happened at: 0xb682280e <_nss_compat_getpwnam_r+62>:	movzbl (%edx),%eax
   PC (0xb682280e) ok
   source "(%edx)" (0x00000000) not located in a known VMA region (needed readable region)!
   destination "%eax" ok
  SegvReason: reading NULL VMA
  Signal: 11
  SourcePackage: gdm
  StacktraceTop:
   _nss_compat_getpwnam_r () from /lib/i386-linux-gnu/libnss_compat.so.2
   getpwnam_r () from /lib/i386-linux-gnu/libc.so.6
   getpwnam () from /lib/i386-linux-gnu/libc.so.6
   ?? ()
   ?? ()
  Title: gdm-simple-slave crashed with SIGSEGV in _nss_compat_getpwnam_r()
  UpgradeStatus: Upgraded to precise on 2011-12-21 (5 days ago)
  UserGroups: pulse-access

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