[mythtv-users] HELP: System crash when trying to watch live orrecorded tv

Mr cctsurf cctsurf at hotmail.com
Thu Oct 20 10:19:32 EDT 2005



>From: "Michael T. Dean" <mtdean at thirdcontact.com>
>Reply-To: Discussion about mythtv <mythtv-users at mythtv.org>
>To: Discussion about mythtv <mythtv-users at mythtv.org>
>Subject: Re: [mythtv-users] HELP: System crash when trying to watch live 
>orrecorded tv
>Date: Thu, 20 Oct 2005 00:00:28 -0400
>
>Mr cctsurf wrote:
>
>>Notably it seems that I can record because I can see the show previewed in 
>>a small window (in my theme, below the listing of recorded shows) before 
>>attempting to watch it (I haven't been able to play recordings using Myth 
>>or mplayer, either with transcoding (mpeg4) or without - straight .nuv 
>>file)  When I attempt to play back the recording with Myth, I get a 
>>lockup, with Mplayer, I get some attempt to load codecs, but it exits very 
>>quickly.  After a mythtv lockup, I cannot do anything but
>>reset the system, SSHing in doesn't work (in fact, I often have to reset 
>>twice to get a boot).
>>
>>I assume that I could have a problem with my sound (sblive), but I have at 
>>times disabled it (mythtv asks if I want to proceed without sound (I had 
>>difficulty initially getting the sound devices to be rw for users on 
>>reboot), and when I proceed, it crashes the computer in the same way that 
>>it did with the sound enabled (perhaps this is just the fact that myth 
>>crashes without sound working).
>
>Myth doesn't necessarily crash without sound, but Myth is very likely to 
>experience problems (which may even result in crashing) on a system whose 
>sound is not properly configured.  My recommendation is to fix the sound 
>issue and see if that fixes the playback issue.

How do I know when I have Sound working correctly?  Is it When I can perform 
the test listed in the documentation - Troubleshooting Audio section, which 
says to play xawtv and use aplay /dev/dsp to output the audio?

>
>>I captured this through a ssh connection:
>>
>>2005-10-19 02:57:50.808 New DB connection, total: 1
>>Total desktop width=1280, height=1024, numscreens=1
>>2005-10-19 02:57:50.907 Using screen 0, 1280x1024 at 0,0
>>2005-10-19 02:57:50.923 mythfrontend version: 0.18.1.20050510-1 
>>www.mythtv.org
>>2005-10-19 02:57:50.925 Enabled verbose msgs : important general
>>2005-10-19 02:57:51.517 Switching to square mode (G.A.N.T.)
>>mythtv: could not connect to socket
>>mythtv: No such file or directory
>>lirc_init failed for mythtv, see preceding messages
>>2005-10-19 02:57:53.049 Registering Internal as a media playback plugin.
>>2005-10-19 02:58:25.370 New DB connection, total: 2
>>2005-10-19 02:58:25.490 Connecting to backend server: 192.168.1.1:6543 
>>(try 1 of 5)
>>2005-10-19 02:58:25.505 Using protocol version 15
>>2005-10-19 02:58:25.598 Using protocol version 15
>>2005-10-19 02:58:26.014 Disable DPMS
>>2005-10-19 02:58:26.396 Opening audio device 'default'.
>>2005-10-19 02:58:26.582 Using XV port 53
>>2005-10-19 02:58:27.514 Realtime priority would require SUID as root.
>>
>>What is going on at the time of the last line?
>
>Nothing much.  That's not an error, just a configuration notice.  Don't 
>worry about it (at least, not at this point).
>
>>I assume that that would point to what is crashing the system.
>
>No.  Something else.
>

I understand that that's not an error, but if I knew what was going on in 
the order of execution at that point, I thought maybe I could direct my 
troubleshooting more easily.

>>Also I note that I don't think XV works for playback in Mplayer, could 
>>this be causing the crash.
>
>Xv is working for Myth, so you've probably just chosen another video output 
>device for MPlayer.
>
>Mike
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>mythtv-users at mythtv.org
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Thanks very much for your help!

cctsurf

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