From owner-freebsd-stable Mon Mar 18 11:10:16 2002 Delivered-To: freebsd-stable@freebsd.org Received: from karthy.net (0x503fbe0e.abnxx1.adsl-dhcp.tele.dk [80.63.190.14]) by hub.freebsd.org (Postfix) with SMTP id D2EE437B405 for ; Mon, 18 Mar 2002 11:09:49 -0800 (PST) Received: (qmail 52988 invoked by uid 1001); 18 Mar 2002 19:10:49 -0000 Date: 18 Mar 2002 19:10:49 -0000 Message-ID: <20020318191049.52987.qmail@karthy.net> From: Karsten Thygesen To: freebsd-stable@freebsd.org Subject: Crashdump analysis problems... Sender: owner-freebsd-stable@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG Hi I have an unstable FreeBSD-4.5-STABLE server with 4 CPU and 3GB memory, a little less than 2Tb disks. Every 1-5 days it crashes with an vm_page_unwire: invalid wire count: 0 I made a kernel with debug enabled, installed it, turned on crash dump and will now try to see, what triggers the error. But GDB voes: ====================================================================== abnew01% sudo gdb -k /usr/obj/usr/src/sys/ABNEW01/kernel.debug /var/crash/vmcore.1 GNU gdb 4.18 Copyright 1998 Free Software Foundation, Inc. GDB is free software, covered by the GNU General Public License, and you are welcome to change it and/or distribute copies of it under certain conditions. Type "show copying" to see the conditions. There is absolutely no warranty for GDB. Type "show warranty" for details. This GDB was configured as "i386-unknown-freebsd"... SMP 4 cpus IdlePTD at phsyical address 0x00351000 initial pcb at physical address 0x002c2120 panicstr: vm_page_unwire: invalid wire count: 0 panic messages: --- dmesg: kernel message buffer has different magic number --- #0 dumpsys () at /usr/src/sys/kern/kern_shutdown.c:487 487 if (dumping++) { (kgdb) where #0 dumpsys () at /usr/src/sys/kern/kern_shutdown.c:487 #1 0xd3ce3c8a in ?? () Cannot access memory at address 0x450d6e76. (kgdb) ====================================================================== Any ideas about what to do? Best regards, Karsten To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-stable" in the body of the message