Re: Problems with bttv card

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simonb@xxxxxxxxxxxxxxxxxxxxxxxxx wrote:
> 
> The problem is, when I try to use my programs for image capture, I get the
> error:
>         ioctl VIDIOCGCAP: Bad file descriptor
> 
> As far as I know, that's a problem with the driver.

	Looks like a bad file descriptor to me. Are you sure your /dev/video
/dev/video0 etc are all correct? I've heard there are some cases
(devfs?) where /dev/video is a directory instead of a file. That'd do
it. 

 - Eric

> On Tue, 19 Jun 2001, Eric Jorgensen wrote:
> 
> > simonb@xxxxxxxxxxxxxxxxxxxxxxxxx wrote:
> > >
> > > Hello,
> > >
> > > I'm having problems trying to work with my video card, it's a Zoltrix
> > > Genie TV, my computer is a PIII 933Mhz running Red Hat 7.1 with the
> > > kernel 2.4.5.
> > >
> > > When I load the modules, the kernel sends the following message:
> > >
> > > i2c-core.o: i2c core module
> > > i2c-algo-bit.o: i2c bit algorithm module
> > > Linux video capture interface: v1.00
> > > bttv: driver version 0.7.68 loaded
> > > bttv: using 2 buffers with 2080k (4160k total) for capture
> > > bttv: Bt8xx card found (0).
> > > bttv0: Bt878 (rev 17) at 02:0a.0, irq: 19, latency: 64, memory: 0xfa000000
> > > bttv0: subsystem: 15b0:400d  =>  Zoltrix Genie TV / Radio  =>  card=46
> > > bttv0: model: BT878(Zoltrix Genie TV/FM) [insmod optiobttv:n]
> > > i2c-core.o: adapter bt848 #0 registered as adapter 0.
> > > bttv0: i2c: checking for TDA9875 @ 0xb0... not found
> > > bttv0: i2c: checking for TDA7432 @ 0x8a... not found
> > > i2c-core.o: driver i2c TV tuner driver registered.
> > > tuner: chip found @ 0xc0
> > > tuner: type set to 21 (Temic NTSC (4039 FR5))
> > > bttv0: i2c attach [Temic NTSC (4039 FR5)]
> > > i2c-core.o: client [Temic NTSC (4039 FR5)] registered to adapter [bt848
> > > #0](pos. 0).
> > >
> > > seems that the problem is that the card is not found (bttv: Bt8xx card
> > > found (0)), but in /proc/pci, I have:
> >
> >
> >       Poppycock!
> >
> >       0: In REAL operating systems, the first device is 0
> >
> >       1: it SAYS it found it
> >
> >       2: Ignore those messages that say you don't have a particular chip.
> > Normal.
> >
> >       3: It found the tuner, too
> >
> >       4: Do you have an *actual problem? Or are you just confused about the
> > messages?
> >
> >  - Eric
> >
> >
> >
> > _______________________________________________
> > Video4linux-list mailing list
> > Video4linux-list@xxxxxxxxxx
> > https://listman.redhat.com/mailman/listinfo/video4linux-list
> >
> 
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