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[Marc MERLIN <marc_soft@xxxxxxxxxxx>]

I upgraded to the last version available after upgrading my backend and
frontend (DB version # update) and am now running
0.23.1+fixes26863-0ubuntu0+mythbuntu3.

XvMC just didn't work (it was worse).

I've disabled XvMC to work around the problem and things are ok now.

You can close this if you wish since the problem is likely on the intel
side either way and not with mythfrontend.

-- 
mythtv-frontend crashes often
https://bugs.launchpad.net/bugs/670782
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Status in “mythtv” package in Ubuntu: New

Bug description:
Binary package hint: mythtv

After upgrading from karmic to maverick (mythtv-common and mythtv-frontend 0.23.0+fixes24269-0ubuntu0+mythbuntu1 in karmic, and 0.23.0+fixes24158-0ubuntu2 from lucid since I can't upgrade all the way to karmic due to incompatible DB with my backend).

mythtv-frontend karmic dies easily if I open some recorded videos it doesn't like:

2010-11-03 22:59:54.602 TV: Attempting to change from None to WatchingPreRecorded
[Thread 0x9b4ffb70 (LWP 17795) exited]
[New Thread 0x9b4ffb70 (LWP 17798)]
[intel_xvmc] info: decoder type is i965 MPEG2 VLD decoder
2010-11-03 22:59:55.390 AFD: Opened codec 0x99130f0, id(MPEG2VIDEO_XVMC) type(Video)
2010-11-03 22:59:55.390 AFD: codec AC3 has 6 channels
2010-11-03 22:59:55.390 AFD: Opened codec 0x99137f0, id(AC3) type(Audio)
2010-11-03 22:59:55.393 AO: Using resampler. From: 48000 to 44100
2010-11-03 22:59:55.394 Opening audio device 'default'. ch 2(2) sr 44100 (reenc 0)
2010-11-03 22:59:55.394 Opening ALSA audio device 'default'.
ALSA lib control.c:882:(snd_ctl_open_noupdate) Invalid CTL /dev/mixer
2010-11-03 22:59:55.395 AudioOutput Warning: Mixer attach error -2: No such file or directory
                        Check Mixer Name in Setup: '/dev/mixer'
[New Thread 0x9dcffb70 (LWP 17799)]
2010-11-03 22:59:55.400 AO: Using resampler. From: 48000 to 44100
2010-11-03 22:59:55.400 Opening audio device 'default'. ch 2(2) sr 44100 (reenc 0)
2010-11-03 22:59:55.401 Opening ALSA audio device 'default'.
ALSA lib control.c:882:(snd_ctl_open_noupdate) Invalid CTL /dev/mixer
2010-11-03 22:59:55.401 AudioOutput Warning: Mixer attach error -2: No such file or directory
                        Check Mixer Name in Setup: '/dev/mixer'
[New Thread 0x9f921b70 (LWP 17800)]
[Thread 0x9dcffb70 (LWP 17799) exited]
[Thread 0x9f921b70 (LWP 17800) exited]
2010-11-03 22:59:55.445 AO: Using resampler. From: 48000 to 44100
2010-11-03 22:59:55.445 Opening audio device 'default'. ch 2(2) sr 44100 (reenc 0)
2010-11-03 22:59:55.445 Opening ALSA audio device 'default'.
ALSA lib control.c:882:(snd_ctl_open_noupdate) Invalid CTL /dev/mixer
2010-11-03 22:59:55.446 AudioOutput Warning: Mixer attach error -2: No such file or directory
                        Check Mixer Name in Setup: '/dev/mixer'
[New Thread 0x9f921b70 (LWP 17801)]
[New Thread 0x9dcffb70 (LWP 17802)]
2010-11-03 22:59:55.463 VideoOutputXv: XvMC Adaptor Name: 'Intel(R) Textured Video'
[intel_xvmc] info: decoder type is i965 MPEG2 VLD decoder
2010-11-03 22:59:55.465 XvMCOSD::CreateBuffer() failed because no subpicture is available
2010-11-03 22:59:55.466 NVP(0): Forcing decode extra audio option on (Video method requires it).
2010-11-03 22:59:55.466 OSD Theme Dimensions W: 1280 H: 720
[New Thread 0xa114fb70 (LWP 17803)]
2010-11-03 22:59:55.552 TV: Changing from None to WatchingPreRecorded

Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread 0x9dcffb70 (LWP 17802)]
0x00000637 in ?? ()
(gdb) bt
#0  0x00000637 in ?? ()
#1  0xa9f37436 in drm_intel_bo_unreference () from /lib/libdrm_intel.so.1
#2  0xa9ba41a6 in ?? () from /usr/lib/libIntelXvMC.so.1
#3  0xa9ba4e3d in ?? () from /usr/lib/libIntelXvMC.so.1
#4  0xa9b9f1a2 in XvMCRenderSurface () from /usr/lib/libIntelXvMC.so.1
#5  0xb5f256b3 in XvMCRenderSurface () from /usr/lib/libXvMCW.so.1
#6  0xb7abd894 in VideoOutputXv::DrawSlice(VideoFrame_*, int, int, int, int) () from /usr/lib/libmythtv-0.23.so.0
#7  0xb7959165 in NuppelVideoPlayer::DrawSlice(VideoFrame_*, int, int, int, int) () from /usr/lib/libmythtv-0.23.so.0
#8  0xb79d4363 in render_slice_xvmc(AVCodecContext*, AVFrame const*, int*, int, int, int) () from /usr/lib/libmythtv-0.23.so.0
#9  0xb6c1612e in ff_draw_horiz_band () from /usr/lib/libmythavcodec-0.23.so.0
#10 0x099130f0 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

ProblemType: Bug
DistroRelease: Ubuntu 10.10
Package: mythtv-frontend 0.23.0+fixes24158-0ubuntu2
Uname: Linux 2.6.36.0-core2smp-volpreempt-noide-hm64-20100724 i686
Architecture: i386
Date: Wed Nov  3 23:28:18 2010
Installed_mythplugins-dbg: 0.0
Installed_mythtv-dbg: 0.0
MythTVDirectoryPermissions: Error: command ['ls', '-l', '/var/lib/mythtv'] failed with exit code 2: ls: cannot access /var/lib/mythtv: No such file or directory
ProcEnviron:
 PATH=(custom, no user)
 LANG=en_US.ISO-8859-1
 SHELL=/bin/bash
SourcePackage: mythtv