From owner-freebsd-net@FreeBSD.ORG Sun Jun 8 06:42:39 2008 Return-Path: Delivered-To: freebsd-net@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 6E2561065672 for ; Sun, 8 Jun 2008 06:42:39 +0000 (UTC) (envelope-from jfvogel@gmail.com) Received: from wa-out-1112.google.com (wa-out-1112.google.com [209.85.146.182]) by mx1.freebsd.org (Postfix) with ESMTP id 4ADCC8FC1C for ; Sun, 8 Jun 2008 06:42:38 +0000 (UTC) (envelope-from jfvogel@gmail.com) Received: by wa-out-1112.google.com with SMTP id j4so1232471wah.3 for ; Sat, 07 Jun 2008 23:42:38 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:received:received:message-id:date:from:to :subject:cc:in-reply-to:mime-version:content-type :content-transfer-encoding:content-disposition:references; bh=tXn+ntzlG9Yrzl6sNTiHzmab0YgSyHoTH//skBEXqwM=; b=SgLdRtpq5pHDlWQxP6to+n0phudwo1iPG6qjj3dYlclBVaD2ftipDYbt4pS/PATiRi qv2u6fWk/J/7ZNz5Acd+8JY/bChbhAFrOorv9Z7lPTi5SkdpqocbS6IwHEBv7Z+4XDip RDR6wnm/J8iqAc8sblVF+WHsZoKjM13YaNUG0= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=message-id:date:from:to:subject:cc:in-reply-to:mime-version :content-type:content-transfer-encoding:content-disposition :references; b=kYOLFLl2Wgz+y/7a5Im6RDhp0NniwA5H8yTUi94iUxkkb/4P0qSHrtB8pDKXJJNUml DH8946g996z/1pYpIqWb48kVeN+WD6O9OS1L8i4DfctmVvYVzDteFDyhshJikzK8tEVH rZmzV5iCi6EycPUxYaPyNRx3Wv+EMxJcStRrk= Received: by 10.114.89.1 with SMTP id m1mr1992095wab.146.1212907358380; Sat, 07 Jun 2008 23:42:38 -0700 (PDT) Received: by 10.114.174.13 with HTTP; Sat, 7 Jun 2008 23:42:38 -0700 (PDT) Message-ID: <2a41acea0806072342q518ac2afo663c91e730c16db@mail.gmail.com> Date: Sat, 7 Jun 2008 23:42:38 -0700 From: "Jack Vogel" To: "Daniel Ponticello" In-Reply-To: <484AFEF1.4040500@skytek.it> MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Content-Disposition: inline References: <484AFEF1.4040500@skytek.it> Cc: freebsd-net@freebsd.org, freebsd-stable@freebsd.org Subject: Re: kernel panic on em0/taskq X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 08 Jun 2008 06:42:39 -0000 On Sat, Jun 7, 2008 at 2:34 PM, Daniel Ponticello wrote: > Hello, > i'm experiencing periodic kernel panics on a server with FreeBSD 7.0-STABLE > #0: Tue May 20 19:09:43 CEST 2008. > My big problem is that the system is not performing memory dumping and/or > automatic reoboot, > it just stays there. > > Here' console output: > > em0: watchdog timeout -- resetting > kernel trap 12 with interrupts disabled > > Fatal trap 12: page fault while in kernel mode > cpuid = 0; apic_id = 00 > fault virtual address = 0x14 > fault code = supervisor read, page not present > intruction pointerr = 0x20:0xc056e2ce > stack pointer = 0x28:0xe537fc08 > frame pointer = 0x28:0xe537fc28 > code segment = base 0x0, limit 0xfffff, type 0x1b > = DPL 0, pres 1, def32 1, gran 1 > processor eflags = resume, IOPL = 0 > current process = 29 (em0 taskq) > trap number = 12 > panic: page fault > cpuid = 0 > > > It just stays there, unresponsive (no automatic reboot). > > > > Any ideas? There was a problem in the watchdog path, I don't recall if it was checked in to STABLE, I will check after the weekend. But, there is also the question of why you are in the watchdog path in the first place. Jack