Re: alpha performance

On Tue, February 8, 2005 21:07, Jeff Donsbach said:
>
> Has anyone gotten a 2.6 kernel to work on a MILO based
> machine? I have an XLT 366 that I have been trying on.

I have an XLT 300 and I tried the alpha-sources, vanilla-sources,
gentoo-sources, development sources and gentoo-dev-sources. I only tried
building for the XLT target, not the generic-alpha target (I assume you
did the same?).

> I got the kernel built with only minor problems, but I
> wasn't able to get it to boot. It just freezes when
> jumping from MILO to the kernel. I had to give up
> because I had other things to do (this was a few
> weekends ago).

I have exactly the same results (including giving up due to time
contraints ;-). Building works, but MILO freezes with any kernel > 2.4.21
(latest in alpha-sources). I think it has to do with something in
sys_alcor.c (which received a major overhaul from 2.4.22 onwards) or the
interrupt mapping code. IIRC, Jean-Sébastien Guay had success building for
the generic target, which would confirm that the problem is somewhere in
the alcor-specific code.

So right now, it seems that on an XLT you can use only 2.4.21
(alpha-sources) for the XLT target, or >2.4.22 (including 2.6.x) but only
for the generic-alpha target. Can anyone confirm this?

> If anyone has, maybe you can share your
> known working kernel config file?  Also, maybe I am
> just not passing the right boot flags to the kernel.
> What are you using?

I would be very interested as well!

Marnix.



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