[linux-dvb] System fails to boot on adding second DVB-T PCI card

hermann pitton hermann-pitton at arcor.de
Thu Jan 10 02:03:55 CET 2008

Am Donnerstag, den 10.01.2008, 01:13 +0200 schrieb Axel Thimm:
> Hi,
> On Wed, Jan 09, 2008 at 11:42:19PM +0100, hermann pitton wrote:
> > > > video_buf: exports duplicate symbol videobuf_mmap_mapper (owned by 
> > > > videobuf_core)
> > > > video_buf: exports duplicate symbol videobuf_mmap_mapper (owned by 
> > > > videobuf_core)
> > 
> > Guess this is the root of the problem. Axel's modules might fail to
> > eliminate it.
> > 
> > Mauro has converted the old single videobuf.ko to different types to be
> > more flexible. Looks like you have an upgrade to the new types without
> > that the old videobuf.ko is removed from your /lib/modules.../media
> > stuff. Try to remove/delete it manually and "depmod -a".
> is there a way to somehow blacklist videobuf.ko w/o having to remove
> it? The reason is that packagewise this belongs to the kernel rpm
> which is managed by the upstream vendor (e.g. Red Hat, Fedora) and I
> wouldn't want to nuke it - it would return anyway with the next kernel
> update.
> Instead maybe some dummy alias or some remapping could be made to
> effectively remove it from module-utils' radar w/o actually removing
> the file? That would be much cleaner from a packaging POV.
> Thanks!

Hi Axel,

here it is de facto gone, if not anymore in the next kernel release.

What you do in between is up to you.

If you like to stay in sync as close as possible, of course v4l-dvb
counts and not the delayed kernel stuff.


More information about the linux-dvb mailing list