[mythtv-users] No /dev/dvb with AVErMedia DVB-T 771's with Ubuntu 5.10

David Whyte david.whyte at gmail.com
Fri Jan 27 07:32:21 UTC 2006


Hi knowledgable folks...

I am trying to get my new install of Ubuntu 5.10 working with my three
AVerMedia DVB-T 771 cards.

I was a linux noob when I first got mythTV going, and I had a friend
set them up with my under FC2, but after encountering apt-get HELL a
couple of weeks ago a new install of linux was required.  I decided to
go the Ubuntu route because it is just so nice.  The problem is, I
have just realised that I am still a linux noob when it comes to
getting hardware working.

Anyways, from what I can see, the cards are recognised as the output
from dmesg is as follows:

djwhyte at myth:/build$ dmesg | grep bttv [4294696.881000] bttv: driver
version 0.9.15 loaded
[4294696.881000] bttv: using 8 buffers with 2080k (520 pages) each for capture
[4294696.885000] bttv: Bt8xx card found (0).
[4294696.885000] bttv0: Bt878 (rev 17) at 0000:00:08.0, irq: 10,
latency: 32, mm io: 0xe8000000
[4294696.885000] bttv0: detected: AVermedia AverTV DVB-T 771
[card=123], PCI sub system ID is 1461:0771
[4294696.885000] bttv0: using: AVerMedia AVerTV DVB-T 771
[card=123,autodetected ]
[4294696.886000] bttv0: gpio: en=00000000, out=00000000 in=00f0ff0f [init]
[4294696.901000] bttv0: using tuner=4
[4294696.931000] bttv0: registered device video0
[4294696.938000] bttv0: registered device vbi0
[4294696.938000] bttv0: PLL: 28636363 => 35468950 .. ok
[4294696.964000] bttv0: add subdevice "remote0"
[4294696.969000] bttv0: add subdevice "dvb0"
[4294696.969000] bttv: Bt8xx card found (1).
[4294696.969000] bttv1: Bt878 (rev 17) at 0000:00:09.0, irq: 11,
latency: 32, mm io: 0xe8002000
[4294696.970000] bttv1: detected: AVermedia AverTV DVB-T 771
[card=123], PCI sub system ID is 1461:0771
[4294696.970000] bttv1: using: AVerMedia AVerTV DVB-T 771
[card=123,autodetected ]
[4294696.970000] bttv1: gpio: en=00000000, out=00000000 in=00f0ff0f [init]
[4294696.976000] bttv1: using tuner=4
[4294696.988000] bttv1: registered device video1
[4294696.990000] bttv1: registered device vbi1
[4294696.990000] bttv1: PLL: 28636363 => 35468950 .. ok
[4294697.014000] bttv1: add subdevice "remote1"
[4294697.015000] bttv1: add subdevice "dvb1"
[4294697.015000] bttv: Bt8xx card found (2).
[4294697.015000] bttv2: Bt878 (rev 17) at 0000:00:0a.0, irq: 11,
latency: 32, mm io: 0xe8004000
[4294697.015000] bttv2: detected: AVermedia AverTV DVB-T 771
[card=123], PCI sub system ID is 1461:0771
[4294697.015000] bttv2: using: AVerMedia AVerTV DVB-T 771
[card=123,autodetected ]
[4294697.015000] bttv2: gpio: en=00000000, out=00000000 in=00f0ff8f [init]
[4294697.024000] bttv2: using tuner=4
[4294697.035000] bttv2: registered device video2
[4294697.035000] bttv2: registered device vbi2
[4294697.035000] bttv2: PLL: 28636363 => 35468950 .. ok
[4294697.058000] bttv2: add subdevice "remote2"
[4294697.058000] bttv2: add subdevice "dvb2"

However, there are no /dev/dvb devices created so mythtv-setup does
not know the cards are present.

When I set this up in FC2, I didn't have to do anything really special
(it turned out) and I thought it would be even easier under Ubuntu
5.10 with a much newer kernel.

Does anybody have any ideas about what I am doing wrong.  And please
don't say anything about rebuilding the kernel else I might wee my
pants :(

Cheers,
Whytey
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