[linux-dvb] Re: overlay-problem -> pci-latency

[Michael Hunold <hunold@convergence.de>]

Hello Guido,

On 15.02.2004 15:28, Guido Fiala schrieb:
> Am Sonntag, 15. Februar 2004 15:22 schrieben Sie:
> > Guido Fiala wrote:
> >
> > > > Anyway, I'd like to ask you to try the "dvb-kernel" driver from CVS or
> > > > the recent official release tarball.
> > > I tried http://linuxtv.org/download/dvb/linuxtv-dvb-1.1.0.tar.bz2 too and
> > > got the same errors.
> > >
> > > v4l2-common.c:135: warning: `struct v4l2_prio_state' declared inside
> > > parameter list
> > > v4l2-common.c:135: warning: its scope is only this definition or
> > > declaration, which is probably not what you want
> > > v4l2-common.c: In function `v4l2_prio_init':
> > > v4l2-common.c:137: dereferencing pointer to incomplete type
> > > .
> > > .
> > > .
> > >
> > > Do i need a special version of kernel (have 2.4.20) and/or v4l2 ?
> > May be your kernel does already have the v4l2 layer?
> >
> > $ find /lib/modules/2.4.21-0.13mdk/kernel/ -name v4l\*
> > /lib/modules/2.4.21-0.13mdk/kernel/drivers/media/video/v4l1-compat.o.gz
> > /lib/modules/2.4.21-0.13mdk/kernel/drivers/media/video/v4l2-common.o.gz
>
> indeed it does, i installed bttv-0.9.11 and v4l2 already:
> /lib/modules/2.4.20-gentoo-r5/v4l2/v4l1-compat.o
> /lib/modules/2.4.20-gentoo-r5/v4l2/v4l2-common.o
> /lib/modules/2.4.20-gentoo-r5/kernel/drivers/media/video/v4l1-compat.o
> 0/lib/modules/2.4.20-gentoo-r5/kernel/drivers/media/video/v4l2-common.o
> (Uhhh - unfortunately i have even 2 locations!)
>
> What does that mean for the dvb-driver build?
In any case, you should delete all remains of older v4l2 installations.

This includes these files from your kernel/drivers/media/video directory.
- v4l2-common.o
- v4l1-compat.o
- video-buf.o

Also make sure, that you don't have an old "videodev2.h" lying around, 
for example in /usr/include/linux. This causes the compile errors, 
because some things are undefinied there.

If you really need to have both bttv and dvb installed, you should then 
get a bttv snapshot from  http://bytesex.org/snapshot/, compile and 
install it.

Then compile and install the dvb-kernel driver. Some files are shared 
between bttv and dvb (the files mentioned above), but I try to 
incorporate changes as quickly as possible.

This should give you working bttv and dvb drivers.

CU
Michael.


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