From owner-freebsd-hackers Wed Sep 5 11:47:28 2001 Delivered-To: freebsd-hackers@freebsd.org Received: from h132-197-97-45.gte.com (h132-197-97-45.gte.com [132.197.97.45]) by hub.freebsd.org (Postfix) with ESMTP id BF71737B405 for ; Wed, 5 Sep 2001 11:47:24 -0700 (PDT) Received: (from ak03@localhost) by h132-197-97-45.gte.com (8.11.6/8.11.4) id f85Il5o93867; Wed, 5 Sep 2001 14:47:05 -0400 (EDT) (envelope-from ak03) Message-ID: X-Mailer: XFMail 1.4.7p2 on FreeBSD X-Priority: 3 (Normal) Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 8bit MIME-Version: 1.0 In-Reply-To: Date: Wed, 05 Sep 2001 14:47:05 -0400 (EDT) Organization: Verizon Laboratories Inc. From: "Alexander N. Kabaev" To: Zhihui Zhang Subject: RE: kernel ddb help Cc: freebsd-hackers@FreeBSD.ORG Sender: owner-freebsd-hackers@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG You can use gdb on the dump file or even on live kernel after reboot to figure out exactly what the problem was. Use gdb -k ./kernel.debug /dev/mem or gdb -k ./kernel.debug /var/crash/vmcore. On 05-Sep-2001 Zhihui Zhang wrote: > > I know gdb can source stepping the kernel. But without two machines, you > can not do it. Now I have only one machine and the system panic: > > db> trace > bqrelse(cxxx, cxxx, cxxx, cxxxx, cxxx) at bqrelse+0x25 > > is there a way to use these addresses to figure out which line or lines of > source are suspect to cause the panic? Thanks. -------------------------------------------- E-Mail: Alexander N. Kabaev Date: 05-Sep-2001 Time: 14:44:40 -------------------------------------------- To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message