On Tue, Nov 12, 2002 at 06:21:09PM +0100, Markus W Kilbinger wrote:
> >>>>> "Chuck" == Chuck Silvers <chuq@chuq.com> writes:
> 
>     >> on my powermac 440 and beige g3 recent
>     >> 
>     >> sys/arch/powerpc/include/mpc6xx/pte.h           1.9
>     >> sys/arch/powerpc/mpc6xx/pmap.c                  1.51
>     >> 
>     >> produce a
>     >> 
>     >> Illegal instruction - core dumped
>     >> 
>     >> of several programs (at least sshd, chgrp, chmod) when they are
>     >> called the first or second time. After several tries they
>     >> work!?
> 
>     Chuck> the syncicache stuff that was added in that delta appears
>     Chuck> to be inadequate, try adding this bit at the top of
>     Chuck> pmap_syncicache():
> 
>     Chuck> 	__syncicache((void *)pa, len);
>     Chuck> 	return;
> 
> Hmm, with this change the machine becomes more 'sticky' and does no
> longer react in situations where a 'clean' core dump happened before.
> I can't describe it better at the moment because these are unattended
> machines...
> 
> Because I cannot login anymore: Anything else I can test when I
> connect a terminal, anyway?


hmm, well, since I can't test 1.6 kernels anymore, I'll have to lean
on you a bit.  could you try a kernel with those two revisions reverted?
if that works, I'll submit a pullup request to revert them in the
1.6 branch as well.

-Chuck