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

[Guido Fiala <gfiala@s.netic.de>]

Hallo again,

now that i had some time again i tried to install linuxtv-dvb-1.1.0 again.

Unfortunately i can't get bttv and dvb working at once together - both compile 
now, but whether dvb-ttpci.o complains about missing externals 
videoregister/unregister or bttv.o does so.

But i need both at once - what's so difficult here? (The last driver i could 
get working here is dvb-1.0.1.)

The only difference is the _R.... number ad the export-symbol, i just can't 
figure out why it is different at all :-((

Guido

Am Sonntag, 15. Februar 2004 15:55 schrieb Michael Hunold:
> 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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