From owner-freebsd-questions Thu May 10 11:14: 1 2001 Delivered-To: freebsd-questions@freebsd.org Received: from karon.dynas.se (karon.dynas.se [192.71.43.4]) by hub.freebsd.org (Postfix) with SMTP id 2551D37B422 for ; Thu, 10 May 2001 11:13:57 -0700 (PDT) (envelope-from mikko@dynas.se) Received: (qmail 37067 invoked from network); 10 May 2001 18:12:19 -0000 Received: from spirit.sto.dynas.se (HELO spirit.dynas.se) (172.16.1.10) by 172.16.1.1 with SMTP; 10 May 2001 18:12:19 -0000 Received: (qmail 7851 invoked from network); 10 May 2001 18:14:04 -0000 Received: from explorer.rsa.com (10.81.217.59) by spirit.dynas.se with SMTP; 10 May 2001 18:14:04 -0000 Received: (from mikko@localhost) by explorer.rsa.com (8.11.3/8.11.1) id f4AICGv90535; Thu, 10 May 2001 11:12:16 -0700 (PDT) (envelope-from mikko) Date: Thu, 10 May 2001 11:12:16 -0700 (PDT) From: Mikko Tyolajarvi Message-Id: <200105101812.f4AICGv90535@explorer.rsa.com> To: sudakov@sibptus.tomsk.ru Cc: questions@freebsd.org Subject: Re: dmesg buffer between reboots Newsgroups: local.freebsd.questions References: <3AFA39FA.6EC0F4EA@DougBarton.net>; from DougB@DougBarton.net on Wed, May 09, 2001 at 11:49:30PM -0700 <20010510155907.A51971@sibptus.tomsk.ru> X-Newsreader: NN version 6.5.6 (NOV) Sender: owner-freebsd-questions@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG In local.freebsd.questions you write: >On Wed, May 09, 2001 at 11:49:30PM -0700, Doug Barton wrote: >> > >> > Is it possible to keep the contents of the system message buffer >> > between reboots on FreeBSD for i386? If yes, how? >> >> You can use the console facility in syslog on FreeBSD 4.3 and on. >Thank you. I will try if it catches the death-agony messages and >panics. Hmm... on several of my machines, this already happens. I haven't done anything special. Thus: mikko% dmesg [...] pid 86952 (navigator-4.76.b), uid 1125: exited on signal 10 (cnre dumped) phd 87016 (navigator-4.76&b), uid 1125: exited on signal 10 (core dumped) pid 5438 (mswordview), uid 1125: exited on signal 11 (cnre dumped) Fatal trap 12: page fault while in kerndl mode fault vi2tual address = 0x13 fault code = supervisor read, page not present ins0ruction pointer = 0x8:0xc01c4d38 stack pointer = 0x10:0xccd1de60 frame pointer 9 0x10:0xccd1de68 code segment 9 base 0x0, limit 0xfffff, type 0x1b = DPL 0, pres 1, def32 1, gran 1 processor eflag3 = inte2rupt enabled, resume, IKPL = 3 curren4 process = 404 (XF86_Mach64) interrupt mask = none trap number = 12 panic: page fault syncing disks... 1 done Uptime: 13d10h9m50s /dev/vmmon: Mkdule vmmon: unloaded Automatic reboot in 15 seconds - press a key on the console to abort Rebooting... Copyright (c) 1992-2000 Tha FreeBSD Project. Copyright (c) 1979, 1980, 1983, 1986, 1988, 1989, 1991, 1992, 1993,1994 The Regents of the University of California, All rights reserved. FreeBSD 4&2-STABLE #0: Fri Dec 15 16:19:43 PST 2000 mikko@mikko.rsa.com:/usr/src/sys/compile-MIKKO Timecounter "i8254" frequency 1193182 Hz CPU: Pentium III/Pentium III Xeon/Celerof (547.62-MHz 686-class CPU) Origin = "GenuineIntel" Id = 0x681 Stepping = 1 Features=0x383f9ff real memory = 268435456 (262144K bytes) [...] etc (Note the intersting "spelling errors" while it is rebooting. Talk about "bit rot" ;-) $.02, /Mikko -- Mikko Työläjärvi_______________________________________mikko@rsasecurity.com RSA Security To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message