Date: Mon, 25 Aug 2003 14:19:40 -0400 From: Mike Tancsa <mike@sentex.net> To: Mike Harding <mvh@ix.netcom.com>, silby@silby.com Cc: stable@freebsd.org Subject: Re: PAE fix (was PAE removal patch for testing ) Message-ID: <5.2.0.9.0.20030825141332.07abe6a0@209.112.4.2> In-Reply-To: <20030825165913.51E0C5318@netcom1.netcom.com> References: <20030823115841.C7877@odysseus.silby.com> <20030822030729.A7877@odysseus.silby.com> <20030823115841.C7877@odysseus.silby.com>
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Hi, I have been running the following patch from Luoqi Chen Index: pmap.c =================================================================== RCS file: /home/ncvs/src/sys/i386/i386/pmap.c,v retrieving revision 1.250.2.19 diff -u -r1.250.2.19 pmap.c --- pmap.c 9 Aug 2003 16:21:18 -0000 1.250.2.19 +++ pmap.c 23 Aug 2003 20:18:41 -0000 @@ -1635,8 +1635,8 @@ if (nva > eva) nva = eva; - pte = pmap_pte(pmap, sva); - for (; sva < nva; sva += PAGE_SIZE, pte++) { + for (; sva < nva; sva += PAGE_SIZE) { + pte = pmap_pte(pmap, sva); if ((*pte & PG_V) == 0) continue; ... On one of my machines that previously was crashing a couple of times a day. ns4% uptime 2:13PM up 1 day, 20:42, 2 users, load averages: 0.21, 0.10, 0.09 ns4% i.e it has not crashed since applying the patch! ---Mike At 09:59 AM 25/08/2003 -0700, Mike Harding wrote: >Did the update to UPDATING get committed? > >- Mike H. > > X-Original-To: mvh@localhost > X-pair-Authenticated: 209.68.2.70 > Date: Sat, 23 Aug 2003 12:05:07 -0500 (CDT) > From: Mike Silbersack <silby@silby.com> > Cc: stable@freebsd.org > Cc: re@freebsd.org > Sender: owner-freebsd-stable@freebsd.org > X-Spam-Status: No, hits=-5.0 required=5.0 > tests=AWL,BAYES_10,EMAIL_ATTRIBUTION,IN_REP_TO,QUOTED_EMAIL_TEXT, > REFERENCES,REPLY_WITH_QUOTES > autolearn=ham version=2.55 > X-Spam-Level: > X-Spam-Checker-Version: SpamAssassin 2.55 (1.174.2.19-2003-05-19-exp) > > > On Sat, 23 Aug 2003, Erik Trulsson wrote: > > > I have had problems with weird panics on post-PAE RELENG_4 kernels, on > > machines that previously had been rock stable (so hardware problems are > > unlikely.) > > > > Your patch does appear to restore stability for me. (I would have to > > run the systems for another week or two to be certain they are stable > > now, but so far it looks very good.) > > > > -- > > <Insert your favourite quote here.> > > Erik Trulsson > > That's good to hear. From Mike's post a little while after yours, I get > the impression that Luoqi's hot on the trail of whatever bug crept in, so > hopefully all will be well in a short while. > > In the meantime, I think it would probably best for people to avoid > cvsuping to -stable until the all clear has been given. (Or cvsupping and > applying the pae-backout patch.) > > I just updated UPDATING with a note to this effect, hopefully we'll be > able to remove it very soon. > > Mike "Silby" Silbersack > _______________________________________________ > freebsd-stable@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-stable > To unsubscribe, send any mail to "freebsd-stable-unsubscribe@freebsd.org" > >_______________________________________________ >freebsd-stable@freebsd.org mailing list >http://lists.freebsd.org/mailman/listinfo/freebsd-stable >To unsubscribe, send any mail to "freebsd-stable-unsubscribe@freebsd.org"
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