From owner-freebsd-current Mon Jul 1 12:20:18 2002 Delivered-To: freebsd-current@freebsd.org Received: from mx1.FreeBSD.org (mx1.FreeBSD.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 6BCF537B400 for ; Mon, 1 Jul 2002 12:20:13 -0700 (PDT) Received: from rwcrmhc51.attbi.com (rwcrmhc51.attbi.com [204.127.198.38]) by mx1.FreeBSD.org (Postfix) with ESMTP id 1294143E13 for ; Mon, 1 Jul 2002 12:20:13 -0700 (PDT) (envelope-from julian@elischer.org) Received: from InterJet.elischer.org ([12.232.206.8]) by rwcrmhc51.attbi.com (InterMail vM.4.01.03.27 201-229-121-127-20010626) with ESMTP id <20020701192012.THPX9178.rwcrmhc51.attbi.com@InterJet.elischer.org>; Mon, 1 Jul 2002 19:20:12 +0000 Received: from localhost (localhost.elischer.org [127.0.0.1]) by InterJet.elischer.org (8.9.1a/8.9.1) with ESMTP id MAA92142; Mon, 1 Jul 2002 12:09:09 -0700 (PDT) Date: Mon, 1 Jul 2002 12:09:08 -0700 (PDT) From: Julian Elischer To: Matthew Dillon Cc: freebsd-current@FreeBSD.ORG Subject: Re: Weird panic (possibly KSE related) In-Reply-To: <200207011902.g61J2r6k019380@apollo.backplane.com> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-freebsd-current@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG looks like 2 processors runing the ddb at the same time... On Mon, 1 Jul 2002, Matthew Dillon wrote: > I've been doing buildworld tests on an SMP build, 2-cpu 2550 w/ 2G of > ram configured. It gets through two or three builds and then crashes. > > Unfortunately the crash seems to be completely undebuggable. It drops > into DDB> but the serial port is completely screwed up and I can't type. > Hitting gives me colons and semicolons at db> prompt. Changing > baud rates does not seem to help. > > This has occured twice. I am going to try dropping back to a standard > console to see if I can get better debugging. I don't know if this is > KSE related or not. > > I've included the serial console output. > > -Matt > > > Fatal trap 12: page fault while in kernel mode > cpuid = 0; lapic.id = 01000000 > fault virtual address = 0xb > fault code = supervisor write, page not present > instruction pointer = 0xd35:0xe > > Fatal trap 12: page fault while in kernel mode > cpuid = 0; lapic.id = 01000000 > fault virtual addrepsasn i=: > t nceode! > p= > > cs > puupeirdv =is o1r; lraeapdi > n c, .pidag e= n0o0t00 0pr00es0e > tDe > niugnsgetrru("cptaioninc "p)oi > Stopped at Debugger+0x46: xchgl %ebx,in_Debugger.0 > db> ;;: > > > To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message