[Bug 329756] [NEW] Kaffeine freezes, on screen text "pause" and in process list "futex wait"

[Otto Kekäläinen]

Public bug reported:

Binary package hint: kaffeine

Once in a while when I change DVB channel or press play after having a
pause while watching a video, Kaffeine freezes. The text "pause" is left
on the on-screen-display and the Kaffeine window goes gray.

This happens at random. Most of the time Kaffeine works great and there
are no problems when I change channel or play/pause videos.

When I look at the processes running with the Gnome System Monitor, the
Kaffeine process seems to be at sleep while waiting for channel
"futex_wait".

I'm running Ubuntu 8.10 with all the latest updates. My DVB card is
Satelco Easy Watch DVB-C PCI.

Steps to reproduce:
1. open Kaffeine
2. keep the DVB on for a while
3a. change channels until at some random point, Kaffeine will freeze
3b. play any video and press pause/play until at some random point, Kaffeine will freeze

Results:
- the OSD will show the text "pause"
- I Kaffeine is in full screen mode, the only way to recover is pressing Ctrl+Alt+Backspace (Kaffeine is freezed and does not shutdown on Alt+F4 or anything.

Please help me how to debug this!

** Affects: kaffeine (Ubuntu)
     Importance: Undecided
         Status: New

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Kaffeine freezes, on screen text "pause" and in process list "futex wait"
https://bugs.launchpad.net/bugs/329756
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