From owner-freebsd-questions Tue Jan 18 18: 7:41 2000 Delivered-To: freebsd-questions@freebsd.org Received: from localhost.cproject.com (premium131.dnvr.uswest.net [206.196.132.131]) by hub.freebsd.org (Postfix) with SMTP id E85421520E for ; Tue, 18 Jan 2000 18:07:33 -0800 (PST) (envelope-from jhanna@cproject.com) Received: (qmail 486 invoked by uid 83); 14 Jan 2000 15:16:11 -0000 Received: from unknown (HELO dv2000.omfus.org) (10.1.1.43) by larryboy with SMTP; 14 Jan 2000 15:16:11 -0000 Message-ID: <000901bf5ea2$63ec32c0$2b01010a@omfus.org> From: "John Hanna" To: Subject: Re: DUMP causes system lockup? -- won't panic Date: Fri, 14 Jan 2000 08:10:02 -0700 Organization: Caleb Project MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 5.00.2314.1300 X-MimeOLE: Produced By Microsoft MimeOLE V5.00.2314.1300 Sender: owner-freebsd-questions@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG Ok, so I tried for a panic, but it still just locks up. So now what do I do? John ----- Original Message ----- From: John Hanna To: Sent: Friday, December 31, 1999 10:02 AM Subject: Re[2]: DUMP causes system lockup? > > Compile a debug kernel also including the kernel debugger. > I'll rebuild the kernel with debugging options and see if I can get more > information. > > > > Is fileaccess in the middle of a dump bad? > > > > Supposedly dump handles this reasonably well. > > > Last night in the middle of this process the system locked up. > > > > Shouldn't do that. > > That's what I thought too... Oh, well... > > John > ------------------------- > Date: 12/30/1999 > Author: Christian Weisgerber > > John Hanna wrote: > > > I run dump nightly to backup my files to a second disk, > > Let me tell you something. In the last couple of years I have twice lost > all hard disks in a system at the same time. The first > time, the power supply blew and apparently sent a spike down the 12V > output. The second time, I ran into a faulty power cable that > reversed +5V and +12V. > > Backups to another disk in the same box aren't. > > > dump -0 -a -f - / |gzip >/backup/larryboy/larryboy.root.dump.gz > > dump -0 -a -f - /usr |gzip >/backup/larryboy/larryboy.usr.dump.gz > > > > Last night in the middle of this process the system locked up. > > Shouldn't do that. > > > Is fileaccess in the middle of a dump bad? > > Supposedly dump handles this reasonably well. > > > I can't shut off all server functions for the duration of the > > dump. > > Neither do I. > > > Is there a way I can make dump more file-sharing-friendly? > > No. But this is not a dump problem. dump only *reads* from the file > system. At most dump could crash. But you are > saying the system > locked up. > > Compile a debug kernel also including the kernel debugger. See if you > can panic the machine next time this happens. Try > to narrow down, where the kernel locks up. > > -- > Christian "naddy" Weisgerber naddy@mips.rhein-neckar.de > To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message