[Bug 864009] Re: update-manager crashed with SIGSEGV in g_variant_unref()

[Apport retracing service]

*** This bug is a duplicate of bug 836558 ***
    https://bugs.launchpad.net/bugs/836558

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 #836558, 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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** Visibility changed to: Public

** This bug has been marked a duplicate of private bug 836558

** Visibility changed to: Public

** Tags removed: need-amd64-retrace

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https://bugs.launchpad.net/bugs/864009

Title:
  update-manager crashed with SIGSEGV in g_variant_unref()

Status in “update-manager” package in Ubuntu:
  New

Bug description:
  tried running update-manger after distribution upgrade and programme failed to start. Had previously tried to launch gnome-tweak-tool which also failed so wished to check for any new updates.
  Ubuntu 11.10 (0neric)
  Linux kernel 3.0.0-12
  Gnome 3.2.0

  ProblemType: Crash
  DistroRelease: Ubuntu 11.10
  Package: update-manager 1:0.152.21
  ProcVersionSignature: Ubuntu 3.0.0-12.19-generic 3.0.4
  Uname: Linux 3.0.0-12-generic x86_64
  ApportVersion: 1.23-0ubuntu2
  Architecture: amd64
  CrashCounter: 1
  Date: Sat Oct  1 12:36:25 2011
  ExecutablePath: /usr/bin/update-manager
  InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Beta amd64 (20110921.2)
  InterpreterPath: /usr/bin/python2.7
  PackageArchitecture: all
  ProcCmdline: /usr/bin/python /usr/bin/update-manager
  SegvAnalysis:
   Segfault happened at: 0x7f31bc585bd9 <g_variant_unref+9>:	lock xadd %eax,0x24(%rdi)
   PC (0x7f31bc585bd9) ok
   source "%eax" ok
   destination "0x24(%rdi)" (0x00000024) not located in a known VMA region (needed writable region)!
  SegvReason: writing NULL VMA
  Signal: 11
  SourcePackage: update-manager
  StacktraceTop:
   g_variant_unref () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
   g_settings_get_boolean () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
   ffi_call_unix64 () from /usr/lib/x86_64-linux-gnu/libffi.so.6
   ffi_call () from /usr/lib/x86_64-linux-gnu/libffi.so.6
   ?? () from /usr/lib/libgirepository-1.0.so.1
  Title: update-manager crashed with SIGSEGV in g_variant_unref()
  UpgradeStatus: Upgraded to oneiric on 2011-10-01 (0 days ago)
  UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare

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