Date: Thu, 7 Aug 2003 16:55:47 -0400 (EDT) From: Andrew Gallatin <gallatin@cs.duke.edu> To: Kris Kennaway <kris@obsecurity.org> Cc: cvs-src@FreeBSD.org Subject: Re: cvs commit: src/sys/i386/i386 pmap.c Message-ID: <16178.48339.142243.953899@grasshopper.cs.duke.edu> In-Reply-To: <20030807204956.GA76279@rot13.obsecurity.org> References: <200308061846.h76IkmYp068237@repoman.freebsd.org> <20030806162243.A91712@grasshopper.cs.duke.edu> <3F3164D8.17704FF1@imimic.com> <16177.32077.922446.986623@grasshopper.cs.duke.edu> <20030806231310.GC46411@technokratis.com> <16178.19268.570629.572965@grasshopper.cs.duke.edu> <20030807104845.A93385@grasshopper.cs.duke.edu> <20030807204956.GA76279@rot13.obsecurity.org>
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Kris Kennaway writes: > On Thu, Aug 07, 2003 at 10:48:45AM -0400, Andrew Gallatin wrote: > > Andrew Gallatin [gallatin@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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