[mythtv] [mythtv-commits] Ticket #2557: SIGSEGV in Mythmusic
stuart at tase.co.uk
Sat Jan 20 11:55:08 UTC 2007
On Saturday 20 January 2007 11:39, Paul Harrison wrote:
> > (In ) Fixes #2557 (mythmusic segfault) by applying patch to make
> > mythobservable thread safe. Adds locks and removes thread unsafe
> > functions.
> Stuart, did you see my message on the Mythtv-developers mailing list
> regarding this ticket? I'm not convinced this fixes the issue just make
> it less likely to happen in my opinion.
No sorry, I missed (or forgot) about it.
> The bt's on this ticket and on
> the duplicate #2485 both seem to show a problem with threads not exiting
> properly. I was looking for an explanation for why many of the threads
> appear to have exited but there is still a stack trace showing for
We discussed this in IRC and decided it was a GDB problem. Others have seen
the same thing happen in other backtraces from different areas of myth. The
actual thread count doesn't seem to rise at all.
> One thing I did notice was the AudioOutput was deleted and
> recreated on each track change which could be one source of the problem.
> Why isn't the AudioOutput created once and re-used on each track change?
That's a good question, I don't know the answer.
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