OpenBSC + * + LCR -> Problems with LCR (--with-gsm-bs)

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Peter Stuge peter at stuge.se
Fri Jun 22 10:12:12 UTC 2012


Ellen Apolinar wrote:
> [ 2918.580480] hfcmulti: disagrees about version of symbol get_next_bframe
> [ 2918.580483] hfcmulti: Unknown symbol get_next_bframe (err -22)
> 
> Okay, it seems that there is still a problem because I installed mISDN.v2.
> But I removed all files from the installed mISDN version so this shouldn't
> be the reason. But it is.
> 
> So perhaps somebody knows how to solve this problem.

Out-of-tree kernel drivers have to be built against the particular
kernel source tree that also built the kernel that the drivers will
be loaded into. I prefer doing all these steps manually, rather than
relying on any scripts if there are some. It's a bit more work but
instead quite deterministic.


> Is it a good idea to build a new kernel

If you didn't build the kernel yourself already then I think that's a
good idea.


> or to remove the kernel-integrated mISDN and install it new?

This doesn't seem to me like it would make a difference.


In general I suggest looking for kernel development resources, maybe
there's a mailing list for mISDN? This building an out-of-tree driver
against an in-tree version of an externally maintained subsystem is a
fairly unusual operation.


//Peter




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