[mythtv] [mythtv-commits] Ticket #9196: Unable to play recordings on win32 build 0.24rc2

Michael T. Dean mtdean at thirdcontact.com
Sun Nov 28 13:41:25 UTC 2010

  On 11/28/2010 02:33 AM, Jeff Lu wrote:
>> ASSERT failure in QReadWriteLock::unlock(): "Cannot unlock an unlocked lock"
> This assert probably would show up on any platform when using debug Qt
> libraries. The problem is in the start-playback optimization of
> RingBuffer::Seek().  Lines 1989-1990 (RingBuffer.cpp, 0.24-fixes) attempt to
> unlock rbwlock and rbrlock, but the preceding code doesn't leave them in a
> locked state.
> Ticket is locked, so I've copied below the relevant snippets of the log (-v
> file) and backtrace.  I can supply full versions if needed.

Unlocked, now.


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