From owner-freebsd-questions@FreeBSD.ORG Mon Mar 19 06:21:06 2007 Return-Path: X-Original-To: freebsd-questions@freebsd.org Delivered-To: freebsd-questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id DCDFA16A401 for ; Mon, 19 Mar 2007 06:21:06 +0000 (UTC) (envelope-from rajkumars@gmail.com) Received: from wx-out-0506.google.com (wx-out-0506.google.com [66.249.82.230]) by mx1.freebsd.org (Postfix) with ESMTP id 9E6C213C44B for ; Mon, 19 Mar 2007 06:21:06 +0000 (UTC) (envelope-from rajkumars@gmail.com) Received: by wx-out-0506.google.com with SMTP id s18so1111412wxc for ; Sun, 18 Mar 2007 23:21:06 -0700 (PDT) DKIM-Signature: a=rsa-sha1; c=relaxed/relaxed; d=gmail.com; s=beta; h=domainkey-signature:received:received:message-id:date:from:to:subject:mime-version:content-type:content-transfer-encoding:content-disposition; b=b/IR66eLBi/3W6nDxR7O0uTmWHGlvOD1fNEEYqa6EZv27SRnZyTkQwYs7kCTO/l1vHXHnEKqEV3tqb1vQi7iCPiqf89Tv6+vseyP8Av6mcZYPTr2yTUhDTQxeCiTEKciQvfbVUrEnbBgkouCl7YAN9vpRtthvbCHYAMWnefOnsI= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=beta; h=received:message-id:date:from:to:subject:mime-version:content-type:content-transfer-encoding:content-disposition; b=Np/cQsSg6hHt6DbeTWrSFJKwe7K+Z2nC/acONiTDOCsUq7AeQzZodGCgPyhI5myGdF9zgFQEGhjI4moxenc0De5EUXOw3nDMjVFoRZhJLbWndfYmarMhYmlxqFS1NZbWIumSgoNBSwtEX+hrVAmcf42RK+iJFfGhxxiwKDFJ8tY= Received: by 10.70.77.2 with SMTP id z2mr7838112wxa.1174285266087; Sun, 18 Mar 2007 23:21:06 -0700 (PDT) Received: by 10.70.69.8 with HTTP; Sun, 18 Mar 2007 23:21:06 -0700 (PDT) Message-ID: <64de5c8b0703182321m5903c629ke480f039c02c3ee0@mail.gmail.com> Date: Mon, 19 Mar 2007 11:51:06 +0530 From: "Rajkumar S" To: freebsd-questions@freebsd.org MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Content-Disposition: inline Subject: No core dump after panic X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 19 Mar 2007 06:21:06 -0000 Hi, I am trying to get core dump of a kernel panic relating to safenet driver, so that I can file a meaning full PR or even try to debug myself. But I am not getting a core dump after panic. I have gone thorough the developers manual and I believe I have taken care of all the usual stuff. rc.conf dumpdev="/dev/ad2s1b" dumpdir="/usr/local/crash" sysctl hw.physmem hw.physmem: 508989440 swapinfo Device 1K-blocks Used Avail Capacity /dev/ad2s1b 1048576 0 1048576 0% df -h | grep usr$ /dev/ad2s1f 6.8G 1.2G 5.1G 18% /usr The panic occurs before the disk drivers are loaded, ie just after network is probed. Could that be the reason? last couple of lines in dmesg while panic is as follows. rl7: port 0xac00-0xacff mem 0xf6007000-0xf60070ff i2miibus7: on rl7 rlphy7: on miibus7 rlphy7: 10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, auto rl7: Ethernet address: 00:60:e0:04:29:e4 safe0 mem 0xf6120000-0xf6121fff irq 5 at device 10.0 on pci0 safe0: cannot allocate DMA tag device_attach: safe0 attach returned 6 re0: port 0xb000-0xb0ff mem 0xf6120re0: could not allocate dma tag Fatal trap 12: page fault while in kernel mode fault virtual address = 0x60 fault code = supervisor read, page not present instruction pointer = 0x20:0xc0570ea5 stack pointer = 0x28:0xc0c20bd0 frame pointer = 0x28:0xc0c20be4 code segment = base 0x0, limit 0xfffff, type 0x1b = DPL 0, pres 1, def32 1, gran 1 processor eflags = interrupt enabled, resume, IOPL = 0 current process = 0 (swapper) trap number = 12 panic: page fault Uptime: 1s raj