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[Jay Foster <1374965@xxxxxxxxxxxxxxxxxx>]

The bug appears to be a crash when unloading the vdpau library, either
via a dl_close() or dl_fini() call.  It also affects any application
using the vdpau library, such as mplayer and mythfrontend.

A backtrace from mythfrontend follows:
mythfrontend crash details:
*** Error in `/usr/bin/mythfrontend.real': free(): invalid pointer: 0x00007ffe734bc623 ***

Program received signal SIGABRT, Aborted.
0x00007ffff3352bb9 in __GI_raise (sig=sig@entry=6) at ../nptl/sysdeps/unix/sysv/linux/raise.c:56
56    ../nptl/sysdeps/unix/sysv/linux/raise.c: No such file or directory.
(gdb) bt
#0  0x00007ffff3352bb9 in __GI_raise (sig=sig@entry=6)
   at ../nptl/sysdeps/unix/sysv/linux/raise.c:56
#1  0x00007ffff3355fc8 in __GI_abort () at abort.c:89
#2  0x00007ffff338fe14 in __libc_message (do_abort=do_abort@entry=1,
   fmt=fmt@entry=0x7ffff349e668 "*** Error in `%s': %s: 0x%s ***\n")
   at ../sysdeps/posix/libc_fatal.c:175
#3  0x00007ffff339c0ee in malloc_printerr (ptr=<optimized out>,
   str=0x7ffff349a759 "free(): invalid pointer", action=1) at malloc.c:4996
#4  _int_free (av=<optimized out>, p=<optimized out>, have_lock=0) at malloc.c:3840
#5  0x00007ffe73460fb2 in ?? () from /usr/lib/vdpau/libvdpau_nvidia.so.1
#6  0x00007ffe73433f3c in ?? () from /usr/lib/vdpau/libvdpau_nvidia.so.1
#7  0x00007ffff7dea758 in _dl_fini () at dl-fini.c:257
#8  0x00007ffff3358149 in __run_exit_handlers (status=0, listp=0x7ffff36db6c8 <__exit_funcs>,
   run_list_atexit=run_list_atexit@entry=true) at exit.c:82
#9  0x00007ffff3358195 in __GI_exit (status=<optimized out>) at exit.c:104
#10 0x00007ffff333decc in __libc_start_main (main=0x451ca4 <main(int, char**)>, argc=1,
   argv=0x7fffffffe238, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>,
   stack_end=0x7fffffffe228) at libc-start.c:321
#11 0x0000000000448079 in _start ()
(gdb)

I have observed the same with mplayer.  nvidia-settings crashes in a
call to dl_close().

-- 
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Packages, which is subscribed to nvidia-settings in Ubuntu.
https://bugs.launchpad.net/bugs/1374965

Title:
  nvidia-setting crashes on startup

Status in “nvidia-settings” package in Ubuntu:
  Confirmed

Bug description:
  nvidia-settings 
  *** Error in `nvidia-settings': free(): invalid pointer: 0x00007fd8a5b0f623 ***
  Aborted

  NVidia card: Asus GeForce GT 730 - 2 Go (DDR3)

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: nvidia-settings 331.20-0ubuntu8
  ProcVersionSignature: Ubuntu 3.13.0-36.63-generic 3.13.11.6
  Uname: Linux 3.13.0-36-generic x86_64
  NonfreeKernelModules: nvidia
  ApportVersion: 2.14.1-0ubuntu3.4
  Architecture: amd64
  CurrentDesktop: Unity
  Date: Sun Sep 28 14:35:00 2014
  InstallationDate: Installed on 2011-04-28 (1248 days ago)
  InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Release amd64 (20110427.1)
  SourcePackage: nvidia-settings
  UpgradeStatus: Upgraded to trusty on 2014-04-17 (163 days ago)

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