From mboxrd@z Thu Jan 1 00:00:00 1970 From: Bob Montgomery Date: Tue, 15 Aug 2006 19:31:09 +0000 Subject: Re: IA64 Kexec-Kdump kernel patch Message-Id: <1155670269.26951.215.camel@amd.troyhebe> List-Id: References: <1155538073.2585.44.camel@linux-znh> In-Reply-To: <1155538073.2585.44.camel@linux-znh> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: linux-ia64@vger.kernel.org On Tue, 2006-08-15 at 12:46 -0700, Keshavamurthy Anil S wrote: > On Mon, Aug 14, 2006 at 05:24:57PM -0400, Bob Montgomery wrote: > > On Mon, 2006-08-14 at 14:47 +0800, Zou Nan hai wrote: > > > This patch is the kexec-kdump patch re-based to 2.6.18-rc4 kernel. > > > > Contrary to expectations, my experience with this patch on a 2.6.18-rc4 > > kernel is that kexec -l, kexec -e is now working without my adding any > > delays to mptscsih, and the kexec -p, echo c >/proc/sysrq-trigger case > > hangs. > > > > # cat /proc/cmdline > > BOOT_IMAGE=scsi0:/EFI/debian/boot/vmlinuz-2.6.18-rc4-bobm root=/dev/sda4 > > raid=noautodetect crashkernel8M@256M panic=1 ro > > Can you change crashkernelQ2M@256 and try > kexec -p, echo c > /proc/sysrq-trigger case. 04a40000-3f5e3fff : System RAM 10000000-2fffffff : Crash kernel bobm@urlp2:~$ cat /proc/cmdline root=/dev/sda4 crashkernelQ2M@256M panic=1 ro # kexec -p vmlinux.strip --append="root=/dev/sda4 maxcpus=1 panic=1 irqpoll ro" # echo c >/proc/sysrq-trigger Still hangs with no indication on the console after my printk("bye\n") just before the br.call at the end of machine_kexec. Bob M.