cvs commit: src/sys/i386/i386 pmap.c
Andrew Gallatin
gallatin at cs.duke.edu
Thu Aug 7 13:55:54 PDT 2003
Kris Kennaway writes:
> On Thu, Aug 07, 2003 at 10:48:45AM -0400, Andrew Gallatin wrote:
> > Andrew Gallatin [gallatin at cs.duke.edu] wrote:
> > >
> > > Bosko Milekic writes:
> > > >
> > > > If you're building with -j, can you try without it? I seem to recall
> > > > -j builds on i386 giving me similar results but two weeks ago. I
> > > > haven't tried with -j again since then, though.
> > >
> > > -j16 works with a kernels from July 4th and June 1, June 7 and June 10th.
> > > This is holding the src tree constant.
> > >
> > > I'm going to try with the SMALL_PIPE_SIZE fix and see if that helps.
> >
> > It changed the failure somewhat. Now make segfaults, and syntax
> > errors which may not actually exist are found when building libstdc++.
> >
> > I'm going to back off to a known good kernel and make sure my srcs are
> > not hosed.
>
> I've was also seeing that behaviour on the alpha machines before the
> SMALL_PIPE_SIZE change (don't have statistics about whether it is
> still persisting). Perhaps there were two or more problems here.
>
Basically, the way thing stand now is that merging the pmap fix from
i386 fixes the fault-on-nofault-entry panics, but there remains a
memory corruption problem.
Most times the corruption its a mysterious failure of install when
building libc, sometimes its a segv of make. Silby claims to have
seen this (install failure) on x86, so at least its not alpha specific.
Drew
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