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[Apport retracing service <1531684@xxxxxxxxxxxxxxxxxx>]

*** This bug is a duplicate of bug 1300463 ***
    https://bugs.launchpad.net/bugs/1300463

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 #1300463, 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: "Disassembly.txt"
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** Attachment removed: "ProcMaps.txt"
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** Attachment removed: "ProcStatus.txt"
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** Attachment removed: "Registers.txt"
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** Attachment removed: "Stacktrace.txt"
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** Attachment removed: "ThreadStacktrace.txt"
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** This bug has been marked a duplicate of bug 1300463
   unity-settings-daemon crashed with SIGSEGV in malloc_consolidate()

** Information type changed from Private to Public

** Tags removed: need-amd64-retrace

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https://bugs.launchpad.net/bugs/1531684

Title:
  unity-settings-daemon crashed with SIGSEGV in malloc_consolidate()

Status in unity-settings-daemon package in Ubuntu:
  New

Bug description:
  lightdm crashes after opening window in Thunderbird.

  ProblemType: Crash
  DistroRelease: Ubuntu 15.10
  Package: unity-settings-daemon 15.04.1+15.10.20151029-0ubuntu1
  ProcVersionSignature: Ubuntu 4.2.0-22.27-generic 4.2.6
  Uname: Linux 4.2.0-22-generic x86_64
  ApportVersion: 2.19.1-0ubuntu5
  Architecture: amd64
  CurrentDesktop: Unity
  Date: Wed Jan  6 18:03:07 2016
  ExecutablePath: /usr/lib/unity-settings-daemon/unity-settings-daemon
  InstallationDate: Installed on 2014-08-30 (494 days ago)
  InstallationMedia: Ubuntu 14.04.1 LTS "Trusty Tahr" - Release amd64 (20140722.2)
  ProcCmdline: /usr/lib/unity-settings-daemon/unity-settings-daemon
  SegvAnalysis:
   Segfault happened at: 0x7f90f45dd1e9 <malloc_consolidate+329>:	cmp    0x18(%r11),%rbx
   PC (0x7f90f45dd1e9) ok
   source "0x18(%r11)" (0x27521d000000018) not located in a known VMA region (needed readable region)!
   destination "%rbx" ok
  SegvReason: reading unknown VMA
  Signal: 11
  SourcePackage: unity-settings-daemon
  StacktraceTop:
   malloc_consolidate (av=av@entry=0x7f90f4922c00 <main_arena>) at malloc.c:4142
   _int_malloc (av=av@entry=0x7f90f4922c00 <main_arena>, bytes=bytes@entry=4096) at malloc.c:3417
   __libc_calloc (n=<optimized out>, elem_size=<optimized out>) at malloc.c:3213
   g_malloc0 () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
   ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
  Title: unity-settings-daemon crashed with SIGSEGV in malloc_consolidate()
  UpgradeStatus: Upgraded to wily on 2015-11-05 (62 days ago)
  UserGroups: adm audio cdrom dip fuse lpadmin plugdev pulse pulse-access sambashare sudo video
  upstart.unity-settings-daemon.log:
   (unity-settings-daemon:3042): GLib-GIO-CRITICAL **: g_dbus_proxy_get_object_path: assertion 'G_IS_DBUS_PROXY (proxy)' failed
   
   (unity-settings-daemon:3042): GLib-GIO-CRITICAL **: g_dbus_proxy_get_object_path: assertion 'G_IS_DBUS_PROXY (proxy)' failed

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