[mythtv] mythbackend problems with 0.15.1

[James Pifer]

I only have one card, a PVR350. Right now I'm trying to find out the
recommended ivtv driver so I can try newer ones. I'm on
ivtv-0.1.10-pre2-ck26 right now. 

James

On Thu, 2004-06-03 at 09:21, Ben Brown wrote:
> How many cards do you have?  I've got 2 cards, and my backend crashes 
> every time it tries to record 2 programs.  It will record one program no 
> problem.  Every time it tries to record 2 at the same time it dies about 
> 12 minutes into the recording.  If I restart the backend it starts 
> recording one of the programs again but just ignores the other as it 
> thinks its still recording.  I haven't had to time to get a backtrace or 
> do some more trouble shooting.
> 
> Ben
> 
> 
> James Pifer wrote:
> > I've had some problems with mythbackend since upgrading to 0.15.1. 
> > 
> > Initially the symptoms were: 
> > A recording would start and may or may not finish. At some point,
> > usually during the first or second recording, recording would stop (the
> > file size would stop growing), but mythweb would still show it as
> > recording. Mythweb itself would still function, but start acting very
> > sluggish. Killing and restarting mythbackend would bring it back up
> > again.
> > 
> > On trying to get debug traces it's acting slightly differently, actually
> > worse. Now it crashes during the recording and the backend seems to
> > totally go down. Mythweb stops working and gives the page asking if the
> > backend is running. I usually tell when it goes down by looking at
> > mythweb and seeing the file size not growing, even though it says it's
> > still recording.
> > 
> > Anyway, my debug is seems rather lacking, but it's at the bottom.
> > Hopefully I did it right this time. My apologies to Isaac for failing to
> > complete the steps the first time. 
> > 
> > Thanks,
> > James
> > 
> > [root at mythtv root]# gdb mythbackend
> > GNU gdb Red Hat Linux (5.3post-0.20021129.18rh)
> > Copyright 2003 Free Software Foundation, Inc.
> > GDB is free software, covered by the GNU General Public License, and you
> > are
> > welcome to change it and/or distribute copies of it under certain
> > conditions.
> > Type "show copying" to see the conditions.
> > There is absolutely no warranty for GDB.  Type "show warranty" for
> > details.
> > This GDB was configured as "i386-redhat-linux-gnu"...
> > (gdb) run
> > Starting program: /usr/local/bin/mythbackend 
> > [New Thread 1095070560 (LWP 3043)]
> > Starting up as the master server.
> > [New Thread 1106692912 (LWP 3062)]
> > [New Thread 1116957488 (LWP 3063)]
> > [New Thread 1125350192 (LWP 3064)]
> > 2004-06-02 19:19:36 Found changes in the todo list.
> > [New Thread 1133742896 (LWP 3065)]
> > [New Thread 1142135600 (LWP 3066)]
> > 2004-06-02 19:19:36 mythbackend version: 0.15.20040525-1 www.mythtv.org
> > 2004-06-02 19:19:36 Enabled verbose msgs : important general
> > [New Thread 1150528304 (LWP 3067)]
> > [New Thread 1160776496 (LWP 3068)]
> > 2004-06-02 19:19:36 Scheduled 43 items in 0.261397 seconds.
> > 2004-06-02 19:19:36 Seem to be woken up by USER
> > [New Thread 1169169200 (LWP 3069)]
> > [New Thread 1177561904 (LWP 3070)]
> > [New Thread 1185954608 (LWP 3071)]
> > 2004-06-02 19:19:49 MainServer::HandleAnnounce Playback
> > 2004-06-02 19:19:49 adding: mythtv as a client (events: 0)
> > 2004-06-02 19:19:52 MainServer::HandleAnnounce Playback
> > 2004-06-02 19:19:52 adding: mythtv as a client (events: 0)
> > 2004-06-02 19:19:58 MainServer::HandleAnnounce Playback
> > 2004-06-02 19:19:58 adding: mythtv as a client (events: 0)
> > 2004-06-02 19:20:01 MainServer::HandleAnnounce Playback
> > 2004-06-02 19:20:01 adding: mythtv as a client (events: 0)
> > 2004-06-02 19:20:02 Found changes in the todo list.
> > 2004-06-02 19:20:02 Scheduled 51 items in 0.242034 seconds.
> > 2004-06-02 19:20:02 Started recording "The NewsHour With Jim Lehrer" on
> > channel: 1005 on cardid: 1, sourceid 1
> > [New Thread 1196448560 (LWP 3082)]
> > 2004-06-02 19:20:03 Changing from None to RecordingOnly
> > [New Thread 1204841264 (LWP 3083)]
> > 2004-06-02 19:20:05 MainServer::HandleAnnounce Playback
> > 2004-06-02 19:20:05 adding: mythtv as a client (events: 0)
> > [New Thread 1213233968 (LWP 3088)]
> > Input #0, mpeg, from
> > '/mythtv/recordings/1005_20040602192000_20040602200000.nuv':
> >   Stream #0.0: Video: mpeg2video, 480x480, 29.97 fps
> >   Stream #0.1: Audio: mp2, 48000 Hz, stereo, 384 kb/s
> > [Thread 1213233968 (LWP 3088) exited]
> > 2004-06-02 19:20:07 Not enough video to make thumbnail
> > 2004-06-02 19:20:07 MainServer::HandleAnnounce FileTransfer
> > 2004-06-02 19:20:07 adding: mythtv as a remote file transfer
> > 2004-06-02 19:20:18 MainServer::HandleAnnounce Playback
> > 2004-06-02 19:20:18 adding: mythtv as a client (events: 0)
> > Input #0, mpeg, from
> > '/mythtv/recordings/1005_20040602192000_20040602200000.nuv':
> >   Stream #0.0: Video: mpeg2video, 480x480, 29.97 fps
> >   Stream #0.1: Audio: mp2, 48000 Hz, stereo, 384 kb/s
> > Couldn't get registers: No such process.
> > (gdb) thread apply all bt full              
> > Cannot find new threads: generic error
> > (gdb) 
> > 
> > 
> > 
> > 
> > ------------------------------------------------------------------------
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