[mythtv] Ringbuffer: fsync thread may equal corruption
Thomas M. Pluth
tpluth at surewest.net
Sun Dec 19 20:54:48 UTC 2004
My fault. I changed xorg.conf and forgot to add RenderAccel to it.
However, mythfrontend is crashing now when I watch live TV from my HD-2000
card.
Here's the crash;
2004-12-19 12:52:19.101 Opening audio device '/dev/dsp'.
2004-12-19 12:52:19.102 Opening OSS audio device '/dev/dsp'.
Using XvMC version: 1.0
XvMC found and using IDCT surface
2004-12-19 12:52:19.112 Using XV port 146
2004-12-19 12:52:19.693 Using realtime priority.
picture structure FRAME
2004-12-19 12:52:19.715 Changing from None to WatchingLiveTV
2004-12-19 12:52:19.827 Video timing method: SGI OpenGL
2004-12-19 12:52:20.220 prebuffering pause
2004-12-19 12:52:20.639 prebuffering pause
2004-12-19 12:52:20.923 prebuffering pause
2004-12-19 12:52:21.341 prebuffering pause
2004-12-19 12:52:21.691 prebuffering pause
2004-12-19 12:52:22.010 prebuffering pause
2004-12-19 12:52:22.361 prebuffering pause
2004-12-19 12:52:22.610 prebuffering pause
2004-12-19 12:52:22.928 prebuffering pause
2004-12-19 12:52:23.330 prebuffering pause
2004-12-19 12:52:23.548 prebuffering pause
2004-12-19 12:52:23.799 prebuffering pause
2004-12-19 12:52:24.031 prebuffering pause
2004-12-19 12:52:24.192 prebuffering pause
2004-12-19 12:52:24.334 prebuffering pause
[mpegvideo_xvmc @ 0x408887d0]Past frame is a B frame in
findPastSurfacemythfrontend: xvmccommon.c:12: findPastSurface: Assertion
`3!=last->pict_type' failed.
Aborted
Is this what you meant by corruption?
-----Original Message-----
From: mythtv-dev-bounces at mythtv.org [mailto:mythtv-dev-bounces at mythtv.org]
On Behalf Of Thomas M. Pluth
Sent: Sunday, December 19, 2004 7:10 AM
To: 'Development of mythtv'
Subject: RE: [mythtv] Ringbuffer: fsync thread may equal corruption
I built from CVS last night with the V38 HDTV patch and this patch and now
my playback is all messed up. Looks like some kind of video sync issue.
I'm rebuilding from CVS and I'll see how it looks.
-----Original Message-----
From: mythtv-dev-bounces at mythtv.org [mailto:mythtv-dev-bounces at mythtv.org]
On Behalf Of John Patrick Poet
Sent: Sunday, December 19, 2004 12:18 AM
To: Development of mythtv
Subject: [mythtv] Ringbuffer: fsync thread may equal corruption
Since I started using a version of ThreadedFileWriter with a separate
thread for doing fsyncs, I have had some of my shows end up with
corruption. I cannot *make* it happen, and cannot prove that the
separate fsync thread is the cause, but it is the only cause I can think of.
John
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