[mythtv] Black screen

[Jason Ford]

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I just received the last piece of my new MythTV box in the mail.  (Damn
D.O.A. motherboard...)

I downloaded MythTV 0.7 and all of the necessary software and installed
them on my shiny new RedHat 7.3 box.

The program guide and the Schedule, Watch, and Delete recordings windows
look really good.

I'm having problems with MythTV proper, though.  Whenever I open up
MythTV, the screen goes blank.  It looks as though the monitor has gone
into power-saving mode, but the green led is on (not the amber.)

I can still hear the sound, though, and if I change channels with the
arrow keys, I can hear the channel changing.  For fun, I recorded an
episode of 'Happy Days.'  When I look at the little preview clip in the
'Watch a Recording' window, I can see the video.  Any ideas?

I'm using an ATI Radeon 8500.  I've included the output of gdb in case
it is of any help:

$ gdb mythfrontend
GNU gdb Red Hat Linux (5.1.90CVS-5)
Copyright 2002 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"...
(gdb) run
Starting program: /usr/local/bin/mythfrontend=20
[New Thread 1024 (LWP 2770)]
Probed: /dev/video0 - Television
Probed: /dev/video0 - Composite1
[New Thread 2049 (LWP 2774)]
[New Thread 1026 (LWP 2775)]
[New Thread 2051 (LWP 2776)]
[New Thread 3076 (LWP 2777)]
Changing from None to WatchingLiveTV
[New Thread 4101 (LWP 2778)]
[New Thread 5126 (LWP 2779)]
[New Thread 6151 (LWP 2780)]
audio volume set to '32768'
strange error flushing buffer ...=20
[New Thread 7176 (LWP 2781)]
only read 1024 from 4096 bytes from '/dev/dsp'
read audio: Interrupted system call
VIDIOCSYNC0: Interrupted system call
VIDIOCSYNC1: Interrupted system call
only read 3072 from 4096 bytes from '/dev/dsp'
read audio: Interrupted system call
VIDIOCSYNC0: Interrupted system call
[New Thread 8201 (LWP 2782)]
VIDIOCSYNC1: Interrupted system call
[New Thread 9226 (LWP 2783)]
only read 3072 from 4096 bytes from '/dev/dsp'
read audio: Interrupted system call
VIDIOCSYNC0: Interrupted system call
Using XV port 55
Delaying to next trigger: 205958
Delaying to next trigger: 239107
Delaying to next trigger: 251605
Changing from WatchingLiveTV to None

Program received signal SIGINT, Interrupt.
[Switching to Thread 2051 (LWP 2776)]
0x420b4b31 in nanosleep () from /lib/i686/libc.so.6
(gdb) quit
The program is running.  Exit anyway? (y or n) y

Thanks,
Jason Ford

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