Re: "Unknown symbol __udivdi3" with rev >= 11873

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On Thu, May 28, 2009 at 12:05 AM, David Ward <david.ward@xxxxxxxxxx> wrote:
> Revision 11873 (committed earlier today) has broken the cx18 driver for me,
> with the line "cx18: Unknown symbol __udivdi3" appearing in dmesg when the
> module tries to load.  I'm using Ubuntu 8.04.2 which uses kernel 2.6.24 and
> gcc 4.2.4.
>
> I also wanted to express my appreciation to Mauro for fixing the build for
> older kernels today, as it is very desirable for me to use a
> distribution/kernel which has long-term support and updates, but I simply
> need to add a DVB driver that wasn't part of the older kernel.
>
> Thanks so much.
>
> David Ward

Let it be known that this issue only affects 32bit kernels.  I believe
the offending line of code is here:

fsc = ((((u64)sc) * 28636360)/src_decimation) >> 13L;

(cc added to Andy Walls)

-Mike Krufky
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