[Bug 1032925] Re: update-notifier crashed with SIGSEGV in g_object_ref()

[Michael Vogt]

Hm, the backtrace show that there is a "mount-added" signal
...
#4  0x00007fe4c9667710 in g_signal_emit_by_name (instance=0x25b0230, detailed_signal=0x7fe4bb1e3f31 "mount-added") at /build/buildd/glib2.0-2.33.6/./gobject/gsignal.c:3393
        var_args = {{gp_offset = 16, fp_offset = 48, overflow_arg_area = 0x7fffff8f18b0, reg_save_area = 0x7fffff8f17c0}}
        detail = 0
        signal_id = 209
        __PRETTY_FUNCTION__ = "g_signal_emit_by_name"
...

this indicates there might be a link to Bug #1032953 as this looks
releated to gvfs and keeping track of the mounts.

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https://bugs.launchpad.net/bugs/1032925

Title:
  update-notifier crashed with SIGSEGV in g_object_ref()

Status in “update-notifier” package in Ubuntu:
  Confirmed

Bug description:
  update-notifier crashed with SIGSEGV in g_object_ref()

  ProblemType: Crash
  DistroRelease: Ubuntu 12.10
  Package: update-notifier 0.120ubuntu1
  ProcVersionSignature: Ubuntu 3.5.0-7.7-generic 3.5.0
  Uname: Linux 3.5.0-7-generic x86_64
  ApportVersion: 2.4-0ubuntu6
  Architecture: amd64
  Date: Sat Aug  4 07:19:23 2012
  ExecutablePath: /usr/bin/update-notifier
  InstallationMedia: Ubuntu 12.10 "Quantal Quetzal" - Alpha amd64 (20120724.2)
  ProcCmdline: update-notifier
  ProcEnviron:
   PATH=(custom, no user)
   LANG=hr_HR.UTF-8
   SHELL=/bin/bash
  SegvAnalysis:
   Segfault happened at: 0x7fe4c9651db1 <g_object_ref+17>:	cmpq   $0x50,(%rax)
   PC (0x7fe4c9651db1) ok
   source "$0x50" ok
   destination "(%rax)" (0x00000001) not located in a known VMA region (needed writable region)!
  SegvReason: writing NULL VMA
  Signal: 11
  SourcePackage: update-notifier
  StacktraceTop:
   g_object_ref () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
   g_cclosure_marshal_VOID__OBJECTv () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
   ?? () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
   g_signal_emit_valist () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
   g_signal_emit_by_name () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
  Title: update-notifier crashed with SIGSEGV in g_object_ref()
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo

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