From owner-freebsd-stable@FreeBSD.ORG Wed Feb 11 14:55:56 2009 Return-Path: Delivered-To: freebsd-stable@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id B20D81065675 for ; Wed, 11 Feb 2009 14:55:56 +0000 (UTC) (envelope-from tevans.uk@googlemail.com) Received: from mail-ew0-f21.google.com (mail-ew0-f21.google.com [209.85.219.21]) by mx1.freebsd.org (Postfix) with ESMTP id 15CF48FC08 for ; Wed, 11 Feb 2009 14:55:55 +0000 (UTC) (envelope-from tevans.uk@googlemail.com) Received: by ewy14 with SMTP id 14so211360ewy.19 for ; Wed, 11 Feb 2009 06:55:55 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=googlemail.com; s=gamma; h=domainkey-signature:received:received:subject:from:to:content-type :date:message-id:mime-version:x-mailer:content-transfer-encoding; bh=hyXBjgK5BebH5xfUsIIUBjdUcpAmJAkEuGd1A7nwKfc=; b=ffgNv6tKdwsUOY48wxcfDFRbfu0t6ma/G6q5fvkvgEegLTFG67fwQtte3rTyvEgOFz 85QrBqxOzVptfuGkqznJuWH8r4QHSo/ukqydjDechd9mukkTVGtyz0yAwaWajX2PGAVz lpPPRI5z7xgo6Ia7PF8h4u+vlyxncWrJkxyqI= DomainKey-Signature: a=rsa-sha1; c=nofws; d=googlemail.com; s=gamma; h=subject:from:to:content-type:date:message-id:mime-version:x-mailer :content-transfer-encoding; b=jskPx6ELvgl+J9eYXl3uK/C2kwKt00H51VidWzWMAj1p3ofp0DIYnmYQ/5n8p2mW8O ObPC6SXrQj8/jKulAVngM3GAA2zxtZ0Bf6l2JzcGcwxi152y+sY1EXsw9G84PEN8V+vu e/kF1nLDzAkMExw/h4bIhTmElaMRus6cnMogQ= Received: by 10.210.29.17 with SMTP id c17mr772124ebc.187.1234362169619; Wed, 11 Feb 2009 06:22:49 -0800 (PST) Received: from ?127.0.0.1? (87-194-39-182.bethere.co.uk [87.194.39.182]) by mx.google.com with ESMTPS id u14sm7463924gvf.7.2009.02.11.06.22.48 (version=SSLv3 cipher=RC4-MD5); Wed, 11 Feb 2009 06:22:48 -0800 (PST) From: Tom Evans To: freebsd-stable@freebsd.org Content-Type: text/plain Date: Wed, 11 Feb 2009 14:24:17 +0000 Message-Id: <1234362257.2224.10.camel@strangepork.mintel.co.uk> Mime-Version: 1.0 X-Mailer: Evolution 2.22.3.1 FreeBSD GNOME Team Port Content-Transfer-Encoding: 7bit Subject: Page fault while in kernel mode X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 11 Feb 2009 14:55:57 -0000 Hi all. I got this panic when our SMB server moved hostname. I still had the drives mounted, so I wondered what would happen if I ls'ed the mount point ('Doctor it hurts when I do this' 'Dont do that then..'). I'm running i386 RELENG_7 from mid October, so it is more than possible that this has already been fixed, but best to report it as well. I still have the vmcore if anyone wants more info from it. Cheers Tom FreeBSD strangepork.mintel.co.uk 7.1-PRERELEASE FreeBSD 7.1-PRERELEASE #0: Wed Oct 22 02:25:56 BST 2008 root@strangepork.mintel.co.uk:/usr/FreeBSD/RELENG_7/obj/usr/FreeBSD/RELENG_7/src/sys/STRANGEPORK i386 > # kgdb /usr/obj/usr/FreeBSD/RELENG_7/src/sys/STRANGEPORK/kernel.debug /var/crash/vmcore.1 GNU gdb 6.1.1 [FreeBSD] Copyright 2004 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-marcel-freebsd"... Unread portion of the kernel message buffer: kernel trap 12 with interrupts disabled Fatal trap 12: page fault while in kernel mode cpuid = 0; apic id = 00 fault virtual address = 0x18 fault code = supervisor read, page not present instruction pointer = 0x20:0xc0817385 stack pointer = 0x28:0xe8276adc frame pointer = 0x28:0xe8276af8 code segment = base 0x0, limit 0xfffff, type 0x1b = DPL 0, pres 1, def32 1, gran 1 processor eflags = resume, IOPL = 0 current process = 1032 (smbiod0) trap number = 12 panic: page fault cpuid = 0 Uptime: 20d23h21m41s Physical memory: 1992 MB Dumping 314 MB: 299 283 267 251 235 219 203 187 171 155 139 123 107 91 75 59 43 27 11 Reading symbols from /boot/kernel/snd_hda.ko...done. Loaded symbols for /boot/kernel/snd_hda.ko Reading symbols from /boot/kernel/sound.ko...Reading symbols from /boot/kernel/sound.ko.symbols...done. done. Loaded symbols for /boot/kernel/sound.ko Reading symbols from /boot/modules/nvidia.ko...done. Loaded symbols for /boot/modules/nvidia.ko Reading symbols from /boot/kernel/linux.ko...Reading symbols from /boot/kernel/linux.ko.symbols...done. done. Loaded symbols for /boot/kernel/linux.ko Reading symbols from /boot/kernel/acpi.ko...Reading symbols from /boot/kernel/acpi.ko.symbols...done. done. Loaded symbols for /boot/kernel/acpi.ko Reading symbols from /boot/kernel/linprocfs.ko...Reading symbols from /boot/kernel/linprocfs.ko.symbols...done. done. Loaded symbols for /boot/kernel/linprocfs.ko Reading symbols from /boot/kernel/smbfs.ko...Reading symbols from /boot/kernel/smbfs.ko.symbols...done. done. Loaded symbols for /boot/kernel/smbfs.ko Reading symbols from /boot/kernel/libiconv.ko...Reading symbols from /boot/kernel/libiconv.ko.symbols...done. done. Loaded symbols for /boot/kernel/libiconv.ko Reading symbols from /boot/kernel/libmchain.ko...Reading symbols from /boot/kernel/libmchain.ko.symbols...done. done. Loaded symbols for /boot/kernel/libmchain.ko Reading symbols from /boot/kernel/nullfs.ko...Reading symbols from /boot/kernel/nullfs.ko.symbols...done. done. Loaded symbols for /boot/kernel/nullfs.ko Reading symbols from /boot/kernel/fdescfs.ko...Reading symbols from /boot/kernel/fdescfs.ko.symbols...done. done. Loaded symbols for /boot/kernel/fdescfs.ko #0 doadump () at pcpu.h:196 196 pcpu.h: No such file or directory. in pcpu.h (kgdb) bt full #0 doadump () at pcpu.h:196 No locals. #1 0xc07e2047 in boot (howto=260) at /usr/FreeBSD/RELENG_7/src/sys/kern/kern_shutdown.c:418 _giantcnt = Variable "_giantcnt" is not available. (kgdb) bt #0 doadump () at pcpu.h:196 #1 0xc07e2047 in boot (howto=260) at /usr/FreeBSD/RELENG_7/src/sys/kern/kern_shutdown.c:418 #2 0xc07e2319 in panic (fmt=Variable "fmt" is not available. ) at /usr/FreeBSD/RELENG_7/src/sys/kern/kern_shutdown.c:574 #3 0xc0b1b45c in trap_fatal (frame=0xe8276a9c, eva=24) at /usr/FreeBSD/RELENG_7/src/sys/i386/i386/trap.c:939 #4 0xc0b1bdcf in trap (frame=0xe8276a9c) at /usr/FreeBSD/RELENG_7/src/sys/i386/i386/trap.c:320 #5 0xc0b028fb in calltrap () at /usr/FreeBSD/RELENG_7/src/sys/i386/i386/exception.s:159 #6 0xc0817385 in turnstile_broadcast (ts=0x0, queue=0) at /usr/FreeBSD/RELENG_7/src/sys/kern/subr_turnstile.c:836 #7 0xc07d4b12 in _mtx_unlock_sleep (m=0xc6457494, opts=0, file=0xc631c718 "/usr/FreeBSD/RELENG_7/src/sys/modules/smbfs/../../netsmb/smb_iod.c", line=97) at /usr/FreeBSD/RELENG_7/src/sys/kern/kern_mutex.c:619 #8 0xc07d4e72 in _mtx_unlock_flags (m=0xc6457494, opts=0, file=0xc631c718 "/usr/FreeBSD/RELENG_7/src/sys/modules/smbfs/../../netsmb/smb_iod.c", line=97) at /usr/FreeBSD/RELENG_7/src/sys/kern/kern_mutex.c:210 #9 0xc630fb73 in smb_iod_invrq (iod=Variable "iod" is not available. ) at /usr/FreeBSD/RELENG_7/src/sys/modules/smbfs/../../netsmb/smb_iod.c:97 #10 0xc6310d57 in smb_iod_addrq (rqp=0xc6457400) at /usr/FreeBSD/RELENG_7/src/sys/modules/smbfs/../../netsmb/smb_iod.c:424 #11 0xc630d28c in smb_rq_enqueue (rqp=0xc6457400) at /usr/FreeBSD/RELENG_7/src/sys/modules/smbfs/../../netsmb/smb_rq.c:193 #12 0xc630d6d8 in smb_rq_simple (rqp=0xc6457400) at /usr/FreeBSD/RELENG_7/src/sys/modules/smbfs/../../netsmb/smb_rq.c:174 #13 0xc630b9e4 in smb_smb_treeconnect (ssp=0xc5ee6100, scred=0xc5e9b4c4) at /usr/FreeBSD/RELENG_7/src/sys/modules/smbfs/../../netsmb/smb_smb.c:561 #14 0xc63108b8 in smb_iod_thread (arg=0xc5e9b480) at /usr/FreeBSD/RELENG_7/src/sys/modules/smbfs/../../netsmb/smb_iod.c:212 #15 0xc07be9a9 in fork_exit (callout=0xc63105c0 , arg=0xc5e9b480, frame=0xe8276d38) at /usr/FreeBSD/RELENG_7/src/sys/kern/kern_fork.c:804 #16 0xc0b02970 in fork_trampoline () at /usr/FreeBSD/RELENG_7/src/sys/i386/i386/exception.s:264 (kgdb)