Re: [Xen-devel] Licensing conflict with OpenAFS kernel module

[Anthony Liguori <aliguori@xxxxxxxxxx>]

Sidney Cammeresi wrote:
> I recently upgraded two Xen domU instances from 2.6.12.6 to 2.6.16.
> Because I am running the OpenAFS client on each of them, I took the
> opportunity to upgrade that (from 1.4.0 to 1.4.1) which required building
> a new kernel module.  (The AFS client is partly in userspace and partly
> in the kernel.)
>
> Loading the new module failed:
>
>                 openafs: Unknown symbol force_evtchn_callback
>                 openafs: Unknown symbol xen_features
>   
I think you should urge OpenAFS to relicense their module under the GPL.

Regards,

Anthony Liguori

> Upon inspecting the kernel source, I observed that these functions are
> EXPORT_SYMBOL_GPL.  Unfortunately, OpenAFS is licensed under the IBM
> Public License, which means that the OpenAFS client will no longer run
> on Xen.
>
> This is mostly just an FYI.  I solved my problem by editing the source and
> changing OpenAFS's MODULE_LICENSE to GPL, but obviously OpenAFS cannot
> distribute that change, so OpenAFS on Xen remains broken for now.
>
> Hopefully I won't get any letters from DMCA enforcement lawyers telling
> me I'm running software illegally....
>
>   
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