From owner-freebsd-stable@FreeBSD.ORG Fri Jul 10 15:01:25 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 0E9F4106566C; Fri, 10 Jul 2009 15:01:25 +0000 (UTC) (envelope-from oliver.pntr@gmail.com) Received: from mail-fx0-f224.google.com (mail-fx0-f224.google.com [209.85.220.224]) by mx1.freebsd.org (Postfix) with ESMTP id 604738FC16; Fri, 10 Jul 2009 15:01:24 +0000 (UTC) (envelope-from oliver.pntr@gmail.com) Received: by fxm24 with SMTP id 24so770729fxm.43 for ; Fri, 10 Jul 2009 08:01:23 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:received:in-reply-to:references :date:message-id:subject:from:to:cc:content-type :content-transfer-encoding; bh=UpKyNJjoydptUIbswU7O0mDi/KiFklPvnpzEif5FkOM=; b=ZpuuSRfsNgOkUJfJomFPa0NUiMNhh7X3kZx2XkhXy2JCxiQGro8Bof+bUpfcM18aWa mihrcK1TPI0pUJkBr1RsJDSaabc/v57ZhQFJT6Jl/hKq89EQnB5agbo1iIrrglY5H5cE k+N+JR89lLmxQWbWGj5Iaqt2MFJgwX5vkEsjA= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type:content-transfer-encoding; b=reO1EEpbzebT0h1ESHrgzvExz4d7VKVwrY2vAthijGySvhsN1lzIvvBQKlJDvCLTkX zEzwcRSgdUzY4qzcx84LPt/AIqTmxWh9Y/TUJFJUY7DMalHrVDEwU8jX0HmBn+jXv5dB TmjuU9+unesajGMsVN6NyTbZfqTydRX2YlYMo= MIME-Version: 1.0 Received: by 10.103.217.5 with SMTP id u5mr1147990muq.43.1247238082033; Fri, 10 Jul 2009 08:01:22 -0700 (PDT) In-Reply-To: References: <6101e8c40907091755n5aefe289r6eec14cf7f4287dc@mail.gmail.com> Date: Fri, 10 Jul 2009 17:01:21 +0200 Message-ID: <6101e8c40907100801r382ded4boddd853f771867bd0@mail.gmail.com> From: Oliver Pinter To: Robert Watson Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Cc: freebsd-stable@freebsd.org Subject: Re: smbfs panic when lost connection or unmount --force 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: Fri, 10 Jul 2009 15:01:25 -0000 Hello! Here is the bt: http://centaur.sch.bme.hu/~oliverp/freebsd/smbfs_panic/DSC01845.JPG http://centaur.sch.bme.hu/~oliverp/freebsd/smbfs_panic/DSC01846.JPG http://centaur.sch.bme.hu/~oliverp/freebsd/smbfs_panic/DSC01847.JPG steps to reproduce: 1) mount_smbfs -I server //biz@foo.bar.baz /media/biz 2) generate IO from smb (cp somewate ..) 3) under IO pull down the network cable 4) a) wait to panic b) umount -f /media/biz, and the system faster panics On 7/10/09, Robert Watson wrote: > > On Fri, 10 Jul 2009, Oliver Pinter wrote: > >> It is a kernel panic, when force unmount the smbfs volume or lost the >> connection with the samba server. > > This is a NULL pointer dereference in the kernel. Per Attilio's e-mail, a > stack trace should help us track it down. Thanks! > > Robert N M Watson > Computer Laboratory > University of Cambridge > >> >> -- >> Thes OS is: >> >> >> kern.ostype: FreeBSD >> kern.osrelease: 7.2-STABLE >> kern.osrevision: 199506 >> kern.version: FreeBSD 7.2-STABLE #4: Sat Jun 27 21:44:32 CEST 2009 >> root@oliverp:/usr/obj/usr/src/sys/stable >> kern.osreldate: 702103 >> >> -- >> make.conf: >> >> >> CPUTYPE?=core2 >> CFLAGS= -O2 -fno-strict-aliasing -pipe >> MODULES_OVERRIDE=smbfs libiconv libmchain zfs opensolaris drm cd9660 >> cd9660_iconv >> >> -- >> panic message: >> >> Jul 10 01:58:39 oliverp syslogd: kernel boot file is /boot/kernel/kernel >> Jul 10 01:58:39 oliverp kernel: kernel trap 12 with interrupts disabled >> Jul 10 01:58:39 oliverp kernel: >> Jul 10 01:58:39 oliverp kernel: >> Jul 10 01:58:39 oliverp kernel: Fatal trap 12: page fault while in kernel >> mode >> Jul 10 01:58:39 oliverp kernel: cpuid = 2; apic id = 02 >> Jul 10 01:58:39 oliverp kernel: fault virtual address = 0x30 >> Jul 10 01:58:39 oliverp kernel: fault code = supervisor read data, >> page not present >> Jul 10 01:58:39 oliverp kernel: instruction pointer = >> 0x8:0xffffffff80327fd0 >> Jul 10 01:58:39 oliverp kernel: stack pointer = >> 0x10:0xffffff8078360940 >> Jul 10 01:58:39 oliverp kernel: frame pointer = >> 0x10:0xffffff0004c31390 >> Jul 10 01:58:39 oliverp kernel: code segment = base 0x0, limit >> 0xfffff, type 0x1b >> Jul 10 01:58:39 oliverp kernel: = DPL 0, pres 1, long 1, def32 0, gran 1 >> Jul 10 01:58:39 oliverp kernel: processor eflags = resume, IOPL = 0 >> Jul 10 01:58:39 oliverp kernel: current process = 60406 (smbiod0) >> Jul 10 01:58:39 oliverp kernel: trap number = 12 >> Jul 10 01:58:39 oliverp kernel: panic: page fault >> Jul 10 01:58:39 oliverp kernel: cpuid = 2 >> Jul 10 01:58:39 oliverp kernel: Uptime: 6h51m16s >> Jul 10 01:58:39 oliverp kernel: Physical memory: 4087 MB >> Jul 10 01:58:39 oliverp kernel: Dumping 2448 MB:Copyright (c) >> 1992-2009 The FreeBSD Project. >> _______________________________________________ >> freebsd-stable@freebsd.org mailing list >> http://lists.freebsd.org/mailman/listinfo/freebsd-stable >> To unsubscribe, send any mail to "freebsd-stable-unsubscribe@freebsd.org" >> >