From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from e6.ny.us.ibm.com ([32.97.182.146]) by pentafluge.infradead.org with esmtps (Exim 4.63 #1 (Red Hat Linux)) id 1IUwnu-0003Mw-Ha for kexec@lists.infradead.org; Tue, 11 Sep 2007 04:52:51 +0100 Received: from d01relay04.pok.ibm.com (d01relay04.pok.ibm.com [9.56.227.236]) by e6.ny.us.ibm.com (8.13.8/8.13.8) with ESMTP id l8B3ruG2020828 for ; Mon, 10 Sep 2007 23:53:56 -0400 Received: from d01av02.pok.ibm.com (d01av02.pok.ibm.com [9.56.224.216]) by d01relay04.pok.ibm.com (8.13.8/8.13.8/NCO v8.5) with ESMTP id l8B3qVt8555314 for ; Mon, 10 Sep 2007 23:52:31 -0400 Received: from d01av02.pok.ibm.com (loopback [127.0.0.1]) by d01av02.pok.ibm.com (8.12.11.20060308/8.13.3) with ESMTP id l8B3qUDh022731 for ; Mon, 10 Sep 2007 23:52:30 -0400 Date: Tue, 11 Sep 2007 09:22:50 +0530 From: Vivek Goyal Subject: Re: [PATCH 0/2] vmcoreinfo support for dump filtering #2 Message-ID: <20070911035250.GA5053@in.ibm.com> References: <20070907175746oomichi@mail.jp.nec.com> <20070910113521.755d0433.rdunlap@xenotime.net> Mime-Version: 1.0 Content-Disposition: inline In-Reply-To: <20070910113521.755d0433.rdunlap@xenotime.net> Reply-To: vgoyal@in.ibm.com List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: kexec-bounces@lists.infradead.org Errors-To: kexec-bounces+dwmw2=infradead.org+dwmw2=infradead.org@lists.infradead.org To: Randy Dunlap Cc: Ken'ichi Ohmichi , kexec-ml , Dan Aloni , crash mailing list On Mon, Sep 10, 2007 at 11:35:21AM -0700, Randy Dunlap wrote: > On Fri, 7 Sep 2007 17:57:46 +0900 Ken'ichi Ohmichi wrote: > > > Hi, > > > I released a new makedumpfile (version 1.2.0) with vmcoreinfo support. > > I updated the patches for linux and kexec-tools. > > > > PATCH SET: > > [1/2] [linux-2.6.22] Add vmcoreinfo > > The patch is for linux-2.6.22. > > The patch adds the vmcoreinfo data. Its address and size are output > > to /sys/kernel/vmcoreinfo. > > > > [2/2] [kexec-tools] Pass vmcoreinfo's address and size > > The patch is for kexec-tools-testing-20070330. > > (http://www.kernel.org/pub/linux/kernel/people/horms/kexec-tools/) > > kexec command gets the address and size of the vmcoreinfo data from > > /sys/kernel/vmcoreinfo, and passes them to the second kernel through > > ELF header of /proc/vmcore. When the second kernel is booting, the > > kernel gets them from the ELF header and creates vmcoreinfo's PT_NOTE > > segment into /proc/vmcore. > > Hi, > When using the vmcoreinfo patches, what tool(s) are available for > analyzing the vmcore (dump) file? E.g., lkcd or crash or just gdb? > > gdb works for me, but I tried to use crash (4.0-4.6 from > http://people.redhat.com/anderson/) and crash complained: > > crash: invalid kernel virtual address: 0 type: "cpu_pda entry" > > Should crash work, or does it need to be modified? > Hi Randy, Crash should just work. It might broken on latest kernel. Copying it to crash-utility mailing list. Dave will be able to tell us better. > This is on a 2.6.23-rc3 kernel with vmcoreinfo patches and a dump file > with -l 31 (dump level 31, omitting all possible pages). > Thanks Vivek _______________________________________________ kexec mailing list kexec@lists.infradead.org http://lists.infradead.org/mailman/listinfo/kexec