[mythtv-users] hdpvr.ko unknown symbol (compiling from linuxtv.org)

Devin Heitmueller dheitmueller at kernellabs.com
Mon Jul 2 15:36:47 UTC 2012

On Mon, Jul 2, 2012 at 11:34 AM, Michelle Dupuis <mdupuis at ocg.ca> wrote:
> I tried compiling the latest hdpvr drivers from linuxtv.org (as per the
> mythtv wiki).  Although it compiles, loading the hdpvr module gives the
> error below (which corresponds with an error during make).  Is this a
> problem or can I ignore it?
> in the v4l/.config I set all modules to 'n' except the lirc_zilog and hdpvr
> modules which I want.  Is this related?  I see the unknown symbol
> __video_register_device defined in v4l2-dev.c but not sure why that's not
> being compiled/used.  I want to avoid a massive upgrade to my kernel
> modules, so I'm trying to compile as little as possible/needed.

Reboot your PC.  This happens when you have a combination of old and
new modules running.  Assuming you've done a "make install" in the
tree, you just need to reboot so that the running copies are all the
same version.


Devin J. Heitmueller - Kernel Labs

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