Bug#330717: DAC960 doesn't produce entropy
On Thu, Sep 29, 2005 at 09:31:19AM -0400, Stephen Gran wrote:
> Package: kernel-image-2.6.8-2-686-smp
> Version: 2.6.8-16
> Severity: normal
>
> Hello all,
>
> This bug may be related to #323176 and/or #286609 - it's difficult to
> tell exactly, since they don't mention their hardware arrangements.
I suspect so too. We can probably do some merging/duplicate-closing.
I've CCed all the relevant parties I could find, I'd appreaciate
them commenting on if a DAC960 is in their mix. It seems to
be mentioned in many of the links provided in the bugs above.
> The problem is that on upgrade from a 2.4 kernel to a 2.6 kernel (both
> stock Debian packages), all of our machines that use the DAC960 module
> stop producing entropy. Looking at the source for the DAC, I see that
> there are no calls at all to produce entropy, although there are in the
> 2.4 kernel tree. The only patch I see that addresses this issue is
> unfortunately several years old, and is out of date, but should be the
> right idea:
> http://lwn.net/Articles/9514/ (search for DAC - there's quite a few
> other changes as well).
That is quite ancient indeed. I did check, and it doesn't seem
like it was ever incoporated in the code. I have CCed Dave Olien, the
DAC940 maintainer, and lkml for comment. If it appropriate
to fix this in the DAC960 driver, they are the right people talk to.
--
Horms
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