From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from mx1.redhat.com ([209.132.183.28]) by merlin.infradead.org with esmtp (Exim 4.76 #1 (Red Hat Linux)) id 1RNfAW-0003sz-23 for kexec@lists.infradead.org; Tue, 08 Nov 2011 06:28:25 +0000 Message-ID: <4EB8CC84.6090001@redhat.com> Date: Tue, 08 Nov 2011 14:30:28 +0800 From: Dave Young MIME-Version: 1.0 Subject: Re: ppc64 kexec -p failed References: <4EB38EB1.5070904@redhat.com> <4EB8C329.1010509@linux.vnet.ibm.com> In-Reply-To: <4EB8C329.1010509@linux.vnet.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@lists.infradead.org To: Mahesh Jagannath Salgaonkar Cc: kexec@lists.infradead.org On 11/08/2011 01:50 PM, Mahesh Jagannath Salgaonkar wrote: > On 11/04/2011 12:35 PM, Dave Young wrote: >> Hi, Thanks for your reply. >> >> When use crashkernel=128M@256M at a ppc64 machine, kexec -p vmlinuz >> failed with: >> Could not find a free area of memory of faa448 bytes... >> Could not find a free area of memory of 142721d bytes... >> >> Is this a know issue or Is there limitation of the crashkernel base addr? > > On Power, crashkernel base addr must fall inside RMO region. The is > because ppc64 kernel needs some of its memory in the RMO region. The > memory ranges below shows that the system has RMO region of size 128M, > Hence crashkernel base addr @64M should work just fine. Then what about let kernel reservation just fail with such case? And better at the same time give out a warning about base addr from cmdline is out of RMO Or at least we should add this info into kernel doc. > >> >> Detail info as below (define DEBUG when building): >> > ... > ... >> 0000000000000000-0000000008000000 : 0 > ... > ... > > Thanks, > -Mahesh. > > > _______________________________________________ > kexec mailing list > kexec@lists.infradead.org > http://lists.infradead.org/mailman/listinfo/kexec -- Thanks Dave _______________________________________________ kexec mailing list kexec@lists.infradead.org http://lists.infradead.org/mailman/listinfo/kexec