how to use dvb_attach (was: Re: [linux-dvb] Re: Error unloading WinTV NOVA T USB2)

Mario Rossi mariofutire at googlemail.com
Mon Aug 28 18:41:19 CEST 2006


Is there any news on the attach/detach issue?

Mario

On 8/22/06, Patrick Boettcher <patrick.boettcher at desy.de> wrote:
> Hi Mario,
>
> The wrong use_count for the dib3000mc is most likely because I'm not using
> the dvb_attach-function for attaching the demod/frontend, because the
> prototype of the dib3000mc_attach is not exactly the same as for other
> demod-drivers.
>
> Why? Because with the dib3000mc_attach (and with the future coming
> dib7000m_attach and dib7000p_attach) we can attach more than one demod at
> the same time - will be used on devices arriving late fall/autumn).
>
> Can someone please advise me how to proceed?
>
> thanks in advance,
> Patrick.
>
> --
>   Mail: patrick.boettcher at desy.de
>   WWW:  http://www.wi-bw.tfh-wildau.de/~pboettch/
>
>
>
> On Mon, 21 Aug 2006, Mario Rossi wrote:
> > I've been using again the WinTV NOVA T USB2 and the module behaved better
> > today.
> > Still impossible to unload the modules from memory
> >
> > snd_usb_audio          68704  0
> > snd_usb_lib            14336  1 snd_usb_audio
> > snd_rawmidi            22048  1 snd_usb_lib
> > snd_hwdep               8708  1 snd_usb_audio
> > dib3000mc              11140  4294967292
> > dibx000_common          3844  1 dib3000mc
> > dvb_pll                14212  4294967292
> > radeon                 98848  1
> > drm                    61076  2 radeon
> >
> > This is what it looks like after a "make unload" in the v4l directory.
> > On the other hand I did not have any Oops and I was able to unplug and
> > replug the USB cable.
> > Maybe there is nothing wrong in that, it would be nice, though, to be
> > able to remove modules from memory.
> >
> > root at thinkpad v4l-dvb]# make unload
> > make -C /home/andrea/projects/cvs/3rdParty/v4l-dvb/v4l unload
> > make[1]: Entering directory `/home/andrea/projects/cvs/3rdParty/v4l-dvb/v4l'
> > scripts/make_makefile.pl /lib/modules/2.6.17.8/build
> > scripts/rmmod.pl unload
> > found 21 modules
> > /sbin/rmmod dib3000mc
> > ERROR: Module dib3000mc is in use
> > /sbin/rmmod dibx000_common
> > ERROR: Module dibx000_common is in use by dib3000mc
> > /sbin/rmmod dvb_pll
> > ERROR: Module dvb_pll is in use
> > make[1]: Leaving directory `/home/andrea/projects/cvs/3rdParty/v4l-dvb/v4l'
> >
> > [root at thinkpad v4l-dvb]# /sbin/rmmod -f dib3000mc
> > ERROR: Removing 'dib3000mc': Resource temporarily unavailable
> >
> > _______________________________________________
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> > linux-dvb at linuxtv.org
> > http://www.linuxtv.org/cgi-bin/mailman/listinfo/linux-dvb
> >
> >
>



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