From owner-freebsd-hackers Wed May 9 0: 0:29 2001 Delivered-To: freebsd-hackers@freebsd.org Received: from web5304.mail.yahoo.com (web5304.mail.yahoo.com [216.115.106.113]) by hub.freebsd.org (Postfix) with SMTP id 4866E37B42C for ; Wed, 9 May 2001 00:00:24 -0700 (PDT) (envelope-from vishubp@yahoo.com) Message-ID: <20010509070024.24670.qmail@web5304.mail.yahoo.com> Received: from [203.200.20.3] by web5304.mail.yahoo.com; Wed, 09 May 2001 08:00:24 BST Date: Wed, 9 May 2001 08:00:24 +0100 (BST) From: =?iso-8859-1?q?vishwanath=20pargaonkar?= Subject: how shd i crash dump kernel To: questions@freebsd.org MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: 8bit Sender: owner-freebsd-hackers@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG Hi, i have freebsd 4.2 release. i installed my changed new kernel(with modifications in source). since it had problem it crashed at begining saying panic page fault etc.. now i want to debug this kernel. so i enabled dumpdev = my swap partition in /etc/rc.conf . and rebooted. this time i started my original working kernel in single user mode. and then gave savecore -N /kernel.that.panicked /var/crash. but this said no core. y is this? tell me how shd i make my kernel to dump core so that i analyse it. tell me if procedure i followed was right? To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message