[mythtv-users] nuvexport and h264 encoding causes BE shutdown

Brad DerManouelian myth at dermanouelian.com
Thu Feb 5 18:11:22 UTC 2009


On Feb 5, 2009, at 10:08 AM, kanetse at gmail.com wrote:

> I have a combined BE/FE running MythTV-0.21 from atrpms.  When I used
> nuvexport to convert an HD broadcast to h264 encoding using the
> "Export to MP4 (iPod)" , the whole machine powers off after 40 minutes
> or so.  The only thing I am doing differently from the default
> settings is that I am maintaining the resolution of the original
> recording at 1920x1088.  I am trying to generate h264 encoding
> recordings to playback later; on a laptop PC that's not connected to
> the network.
>
> There doesn't appear to be any unusual messages in the
> x264_2pass.log.temp file.  The last few lines look like this:
>
> in:9386 out:9386 type:P q:41.00 itex:703 ptex:504 mv:3716 misc:2005
> imb:116 pmb:208 smb:7836 d:-;
> in:9387 out:9387 type:P q:41.00 itex:1249 ptex:738 mv:6031 misc:2566
> imb:214 pmb:311 smb:7635 d:-;
> in:9388 out:9388 type:P q:41.00 itex:255 ptex:304 mv:788 misc:1077
> imb:50 pmb:46 smb:8064 d:-;
> in:9389 out:9389 type:P q:41.00 itex:1556 ptex:559 mv:5145 misc:2404
> imb:245 pmb:225 smb:7690 d:-;
> in:9390 out:9390 type:P q:40.00 itex:2043 ptex:1172 mv:7264 misc:2921
> imb:309 pmb:340 smb:7511 d:-
>
> I have no idea where to start to look for problems.

Check /var/log/messages and see what it says right before the machine  
powers off.
It sounds like a hardware problem - memory corruption or something  
overheating.

-Brad



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