From owner-freebsd-current Tue Jul 9 23:45:44 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 89DD137B400 for ; Tue, 9 Jul 2002 23:45:39 -0700 (PDT) Received: from a.smtp-out.sonic.net (a.smtp-out.sonic.net [208.201.224.38]) by mx1.FreeBSD.org (Postfix) with SMTP id 2184B43E31 for ; Tue, 9 Jul 2002 23:45:39 -0700 (PDT) (envelope-from sonicmail@blarf.homeip.net) Received: (qmail 10297 invoked from network); 10 Jul 2002 06:45:38 -0000 Received: from ultra.sonic.net (208.201.224.22) by a.smtp-out.sonic.net with SMTP; 10 Jul 2002 06:45:38 -0000 Received: from blarf.homeip.net (adsl-209-204-188-56.sonic.net [209.204.188.56]) by ultra.sonic.net (8.11.6/8.8.5) with ESMTP id g6A6jcO04866; Tue, 9 Jul 2002 23:45:38 -0700 X-envelope-info: Received: by blarf.homeip.net (Postfix, from userid 1006) id 3EE5017CD; Tue, 9 Jul 2002 23:45:37 -0700 (PDT) Date: Tue, 9 Jul 2002 23:45:36 -0700 From: Alex Zepeda To: Matthew Dillon , current@freebsd.org Subject: Re: Crash dumps on current Message-ID: <20020710064536.GA412@blarf.homeip.net> References: <20020709.100217.71087662.imp@bsdimp.com> <200207091737.g69HbKGi053095@apollo.backplane.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <200207091737.g69HbKGi053095@apollo.backplane.com> User-Agent: Mutt/1.3.99i 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 On Tue, Jul 09, 2002 at 10:37:20AM -0700, Matthew Dillon wrote: > Welcome to -current. I haven't been able to get crash dumps to > work for a while :-( > > I usually set up a serial console between two machines and run > gdb live to debug the kernel. Crash dumps have been working oh so well for me recently. Seems like the occasional panic resulting in a reboot will not leave a proper dump, but here's one I got today: blarf:/home/crash#gdb52 -k kernel.3 vmcore.3 GNU gdb 5.2 (FreeBSD) Copyright 2002 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-portbld-freebsd5.0"... IdlePTD at phsyical address 0x0054f000 initial pcb at physical address 0x0043f8a0 panicstr: from debugger panic messages: --- panic: Most recently used by none panic: from debugger Uptime: 58m32s Dumping 127 MB ata0: resetting devices .. done 16 32 48 64 80 96 112 --- #0 doadump () at ../../../kern/kern_shutdown.c:213 213 dumping++; (kgdb) bt #0 doadump () at ../../../kern/kern_shutdown.c:213 #1 0xc021ba80 in boot (howto=260) at ../../../kern/kern_shutdown.c:345 #2 0xc021bc24 in poweroff_wait (junk=0xc0376288, howto=-928630028) at ../../../kern/kern_shutdown.c:489 #3 0xc016babd in db_panic () at ../../../ddb/db_command.c:449 #4 0xc016ba5f in db_command (last_cmdp=0xc03d3680, cmd_table=0xc0376288, aux_cmd_tablep=0xc03ca120, aux_cmd_tablep_end=0x104) at ../../../ddb/db_command.c:345 #5 0xc016bb28 in db_command_loop () at ../../../ddb/db_command.c:471 #6 0xc016de51 in db_trap (type=3, code=0) at ../../../ddb/db_trap.c:72 #7 0xc0339291 in kdb_trap (type=3, code=0, regs=0xc8a63b94) at ../../../i386/i386/db_interface.c:161 #8 0xc03465c9 in trap (frame= {tf_fs = 24, tf_es = 16, tf_ds = 16, tf_edi = -1061660800, tf_esi = 256, t f_ebp = -928629800, tf_isp = -928629824, tf_ebx = 0, tf_edx = 0, tf_ecx = 0, tf_ eax = 18, tf_trapno = 3, tf_err = 0, tf_eip = -1070361369, tf_cs = 8, tf_eflags = 662, tf_esp = -1069828632, tf_ss = -928629780}) at ../../../i386/i386/trap.c:604 #9 0xc03394e7 in Debugger (msg=0xc039733c "panic") at cpufunc.h:68 #10 0xc021bc0f in panic (fmt=0xc03bb5e8 "Most recently used by %s\n") at ../../../kern/kern_shutdown.c:476 #11 0xc0316702 in mtrash_ctor (mem=0xc1ebf000, size=0, arg=0x0) at ../../../vm/uma_dbg.c:135 #12 0xc031676c in mtrash_fini (mem=0xc1ebf000, size=8192) at ../../../vm/uma_dbg.c:186 #13 0xc0314a58 in zone_drain (zone=0xc0b85780) at ../../../vm/uma_core.c:646 #14 0xc031536e in zone_foreach (zfunc=0xc03147c2 ) at ../../../vm/uma_core.c:1167 #15 0xc031626a in uma_reclaim () at ../../../vm/uma_core.c:1980 #16 0xc031242a in vm_pageout_scan (pass=0) at ../../../vm/vm_pageout.c:652 #17 0xc031310a in vm_pageout () at ../../../vm/vm_pageout.c:1429 #18 0xc020ca80 in fork_exit (callout=0xc0312ee0 , arg=0x0, frame=0xc8a63d48) at ../../../kern/kern_fork.c:863 (kgdb) - alex To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message