Comment 7 for bug 400696

The same problem. I have both vlc and cairo-dock in my Karmic and VLC crashes:

[0x7fae08c21918] a52 decoder: A/52 channels:6 samplerate:48000 bitrate:448000
[0x7fadfc000a88] pulse audio output: No. of Audio Channels: 6
QPainter::begin: Paint device returned engine == 0, type: 1
QPainter::begin: Paint device returned engine == 0, type: 1
[????????] x11 video output error: X11 request 132.19 failed with error code 8:
 BadMatch (invalid parameter attributes)
X Error of failed request: BadMatch (invalid parameter attributes)
  Major opcode of failed request: 132 (XVideo)
  Minor opcode of failed request: 19 ()
  Serial number of failed request: 101
  Current serial number in output stream: 102

(<unknown>:7403): GLib-GObject-WARNING **: invalid unclassed pointer in cast to `GObject'

(<unknown>:7403): GLib-GObject-CRITICAL **: g_object_ref: assertion `G_IS_OBJECT (object)' failed

(<unknown>:7403): GLib-GObject-WARNING **: invalid unclassed pointer in cast to `GObject'

(<unknown>:7403): GLib-GObject-CRITICAL **: g_object_unref: assertion `G_IS_OBJECT (object)' failed