From owner-freebsd-hackers Fri Aug 13 12:42:22 1999 Delivered-To: freebsd-hackers@freebsd.org Received: from bingnet2.cc.binghamton.edu (bingnet2.cc.binghamton.edu [128.226.1.18]) by hub.freebsd.org (Postfix) with ESMTP id DB4B014F17 for ; Fri, 13 Aug 1999 12:42:16 -0700 (PDT) (envelope-from zzhang@cs.binghamton.edu) Received: from sol.cs.binghamton.edu (cs1-gw.cs.binghamton.edu [128.226.171.72]) by bingnet2.cc.binghamton.edu (8.9.3/8.9.3) with SMTP id PAA28429; Fri, 13 Aug 1999 15:42:29 -0400 (EDT) Date: Fri, 13 Aug 1999 15:29:16 -0400 (EDT) From: Zhihui Zhang To: Andrzej Bialecki Cc: freebsd-hackers@freebsd.org Subject: Re: Create a dump image of kernel In-Reply-To: Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-freebsd-hackers@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG On Fri, 13 Aug 1999, Andrzej Bialecki wrote: > On Fri, 13 Aug 1999, Zhihui Zhang wrote: > > > > > Can anyone tell me how to modify the config file to build a kernel that > > creates dump image whenever it panics. Currently I have to use dumpon > > command after system bootup. But this command does not work when the > > panic happens during the bootup time, i.e., when you have no chance to > > issue the dumpon command. Thanks. > > This is a common problem recently, it seems.. See my recent postings to > this group (or was it -current?). > > Andrzej Bialecki It is in -current list. Subject is: is dumpon/savecore broken?. I read your postings there. It seems we can use remote GDB to debug a kernel that panics even before it probes the devices. I hope it is easy to learn how to use it from the handbook. Thanks. -Zhihui To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message