I can reproduce this problem, I'll investigate in the next few days.
I'd say it's more likely to be a UVM/UBC bug than a pmap bug.

-Chuck


On Mon, Nov 05, 2001 at 11:26:49PM +0100, Markus W Kilbinger wrote:
> >>>>> "Chuck" == Chuck Silvers <chuq@chuq.com> writes:
> 
>     Chuck> at this point the new pmap appears to be much more stable
>     Chuck> than the old one, so I recommend that everyone turn on
>     Chuck> "options NEWPMAP" if you haven't done so already.
> 
> After all these changes I still see a strange nfs related problem,
> probably macppc specific, detected when trying to build a kernel in
> nfs mounted /usr/src:
> 
> Simply cd into such a nfs mounted directory on a macppc machine and
> execute
> 
>   sh /sys/conf/newvers.sh && cat vers.c
> 
> vers.c is missing most of its lines most of the time!
> 
> I could only reproduce this problem in this scenario (macppc nfs
> client, no matter what nfs server).
> 
> Is this also pmap related? Can anybody reproduce this problem?
> 
> Markus.