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[Jos Geluk <1289891@xxxxxxxxxxxxxxxxxx>]

For me, the dock didn't freeze. I just wanted to try out cairo-dock from
the command line. When finished, I pressed Ctrl-C; this did not
terminate dock, but gave me a prompt back, so I did killall cairo-dock.
This is what I got:

^C
jos@Zyrrup:~$ killall cairo-dock
jos@Zyrrup:~$ gldi_desktop_background_destroy: assertion 'pDesktopBg != NULL' failed
Source ID 1028 was not found when attempting to remove it
Source ID 1029 was not found when attempting to remove it
Source ID 1030 was not found when attempting to remove it
*** Error in `cairo-dock': corrupted double-linked list: 0x00000000029db920 ***

jos@Zyrrup:~$ Segmentation fault (core dumped)

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https://bugs.launchpad.net/bugs/1289891

Title:
  cairo-dock crashed with SIGSEGV in malloc_consolidate()

Status in “cairo-dock” package in Ubuntu:
  Incomplete

Bug description:
  Trying to setup cairo dock on a new install and it hung. Had to issue
  "killall cairo-dock" and this popped up.

  ProblemType: Crash
  DistroRelease: Ubuntu 14.04
  Package: cairo-dock-core 3.3.99.beta1.1~20140219~bzr1717-0ubuntu2
  ProcVersionSignature: Ubuntu 3.13.0-16.36-generic 3.13.5
  Uname: Linux 3.13.0-16-generic x86_64
  NonfreeKernelModules: nvidia
  ApportVersion: 2.13.3-0ubuntu1
  Architecture: amd64
  CurrentDesktop: GNOME
  Date: Sat Mar  8 17:31:55 2014
  ExecutablePath: /usr/bin/cairo-dock
  InstallationDate: Installed on 2014-03-08 (0 days ago)
  InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Alpha amd64 (20140308)
  ProcCmdline: cairo-dock -o -w 2 -q 1
  ProcEnviron:
   LANGUAGE=en_US
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  SegvAnalysis:
   Segfault happened at: 0x7f711f6f7583 <malloc_consolidate+307>:	cmp    0x18(%rax),%rbx
   PC (0x7f711f6f7583) ok
   source "0x18(%rax)" (0x00000018) not located in a known VMA region (needed readable region)!
   destination "%rbx" ok
  SegvReason: reading NULL VMA
  Signal: 11
  SourcePackage: cairo-dock
  StacktraceTop:
   malloc_consolidate (av=av@entry=0x7f711fa37760 <main_arena>) at malloc.c:4157
   _int_free (av=0x7f711fa37760 <main_arena>, p=<optimized out>, have_lock=0) at malloc.c:4057
   ?? () from /usr/lib/x86_64-linux-gnu/libpixman-1.so.0
   pixman_image_unref () from /usr/lib/x86_64-linux-gnu/libpixman-1.so.0
   ?? () from /usr/lib/x86_64-linux-gnu/libcairo.so.2
  Title: cairo-dock crashed with SIGSEGV in malloc_consolidate()
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo

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