[mythtv-users] Myth can't use two M179 cards at the same time

[Joseph A. Caputo]

On Monday 03 May 2004 20:35, Woody Sturges wrote:
> I have an Athlon SMP machine with two M179 cards.  I'm having trouble
> when MythTV tries to use both cards at the same time.  I've done the
> following debugging:
>
> modprobe ivtv
> (fine)
>
> cat /dev/video0 > test0.mpg
> (fine)
>
> cat /dev/video1 > test1.mpg
> (fine)
> (Can even cat both devices at the same time...)
>
> mythbackend
> (fine)
>
> Watch TV (/dev/video0)
> (fine)
>
> Record something on /dev/video0, watch live TV (/dev/video1)
> (error!)  The recording works just fine, but live TV throws 'Input
>
> Errors':
> >From the backend:
>
> 2004-05-03 19:30:51 Changing from None to WatchingLiveTV
> error reading from: /dev/video1
> read: Input/output error
>
> >From the frontend:
>
> taking too long to be allowed to read..
>
> >From messages:
>
> May  3 19:30:07 localhost kernel: saa7115[14]: decoder set size
> May  3 19:30:07 localhost kernel: Hpsc: 0x00001, Hfsc: 0x00600
> May  3 19:30:07 localhost kernel: Setting full NTSC height
> May  3 19:30:51 localhost kernel: saa7115[15]: decoder set size
> May  3 19:30:51 localhost kernel: Hpsc: 0x00001, Hfsc: 0x00600
> May  3 19:30:51 localhost kernel: Setting full NTSC height
> May  3 19:30:54 localhost kernel: ivtv: Timeout waiting for data!
>
> Here's my modules.conf:
> # ivtv modules setup
> alias char-major-81 videodev
> alias char-major-81-0 ivtv
> alias char-major-81-1 ivtv
> options ivtv ivtv_debug=1 mpg_buffers=90
> options tuner type=2  # NTSC tuner
> options msp3400 once=1 simple=1
> add below ivtv msp3400 saa7115 tuner
>
> Argh!  Anyone else run into this problem?


Nope... I have 2 M-179s in my box, and can use them both simultaneously 
just fine.  Stock FC1 install from Jarod's guide & ATrpms.

Maybe SMP is causing you problems?  Mine's a uniprocessor, Athlon XP 
1600+

-JAC