On Monday 18 January 2010 03:52:52 you wrote:
> Howdy, and thank you for going the extra mile to get a valid backtrace.
> I went ahead and opened an upstream ticket, but you should be aware that
> you, or your mirror, does not seem to be tracking the auto-build ppa
> correctly - the mythtv revision for fixes is well about the 23000 number
> now.  It is remotely possible this problem has already been fixed.  If
> you can update and report back, it would be greatly appreciated!
	
Thanks, I have now updated to the latest auto-build version (0.22.0+fixes23167-0ubuntu0+mythbuntu3) but the bug is still there.

Here is a backtrace when using the latest version:

7fffc61d3000-7fffc6220000 r--p 00000000 08:06 3607931                    /usr/share/fonts/truetype/freefont/FreeMono.ttf                                    
7fffc6220000-7fffc626d000 r--p 00000000 08:06 3607931                    /usr/share/fonts/truetype/freef                                                    
Program received signal SIGABRT, Aborted.                                                                                                                   
[Switching to Thread 0x7fffc88bd910 (LWP 8327)]                                                                                                             
0x00007fffeebb24b5 in *__GI_raise (sig=<value optimized out>) at ../nptl/sysdeps/unix/sysv/linux/raise.c:64                                                 
64      ../nptl/sysdeps/unix/sysv/linux/raise.c: No such file or directory.                                                                                 
        in ../nptl/sysdeps/unix/sysv/linux/raise.c                                                                                                          
Current language:  auto                                                                                                                                     
The current source language is "auto; currently c".                                                                                                         
(gdb) bt
#0  0x00007fffeebb24b5 in *__GI_raise (sig=<value optimized out>) at ../nptl/sysdeps/unix/sysv/linux/raise.c:64
#1  0x00007fffeebb5f50 in *__GI_abort () at abort.c:92                                                         
#2  0x00007fffeebeac97 in __libc_message (do_abort=<value optimized out>, fmt=<value optimized out>) at ../sysdeps/unix/sysv/linux/libc_fatal.c:189
#3  0x00007fffeebf4dd6 in malloc_printerr (action=3, str=0x7fffeecb67b0 "double free or corruption (!prev)", ptr=<value optimized out>) at malloc.c:6217
#4  0x00007fffeebf974c in *__GI___libc_free (mem=<value optimized out>) at malloc.c:3716                                                                
#5  0x00007ffff6e3bfc8 in av_close_input_stream (s=0x20b91f0) at utils.c:2403                                                                           
#6  0x00007ffff7638fbf in AvFormatDecoder::CloseContext (this=0x20b8360) at avformatdecoder.cpp:549                                                     
#7  0x00007ffff7639127 in ~AvFormatDecoder (this=0x20b8360, __in_chrg=<value optimized out>) at avformatdecoder.cpp:504                                 
#8  0x00007ffff75cf01b in NuppelVideoPlayer::SetDecoder (this=0x1866c40, dec=0x1d63730) at NuppelVideoPlayer.cpp:7466                                   
#9  0x00007ffff75f9e29 in NuppelVideoPlayer::OpenDummy (this=0x1866c40) at NuppelVideoPlayer.cpp:1208                                                   
#10 0x00007ffff75fe638 in NuppelVideoPlayer::JumpToProgram (this=0x1866c40) at NuppelVideoPlayer.cpp:3425                                               
#11 0x00007ffff760b8c7 in NuppelVideoPlayer::StartPlaying (this=0x1866c40, openfile=<value optimized out>) at NuppelVideoPlayer.cpp:3682                
#12 0x00007ffff761912b in SpawnDecode (param=0x206d) at playercontext.cpp:29                                                                            
#13 0x00007ffff279da04 in start_thread (arg=<value optimized out>) at pthread_create.c:300                                                              
#14 0x00007fffeec5e80d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112                                                                     
#15 0x0000000000000000 in ?? ()                                                                                                                         

Best regards,

Henrik