From mboxrd@z Thu Jan 1 00:00:00 1970 From: Konrad Rzeszutek Wilk Subject: 2.6.32.6 (baremetal) fails to shutdown Intel i7 860 with P55 chipset. Date: Tue, 9 Feb 2010 15:31:23 -0500 Message-ID: <20100209203122.GA25738@phenom.dumpdata.com> References: <20100208210736.GB9436@phenom.dumpdata.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-users-bounces@lists.xensource.com Errors-To: xen-users-bounces@lists.xensource.com To: Mike Viau Cc: xen-devel@lists.xensource.com, xen-users@lists.xensource.com List-Id: xen-devel@lists.xenproject.org > > > I have tried using different reboot=X kernel command line arguments, but none of them have correct the rebooting issue. In fact the system hangs the same way in all cases. > > > > That is most bizzare. > > Can you try to get the latest linux kernel and see how it works? > > > > Well its not the 'latest' linux kernel, but I installed 2.6.30-8-amd64 from http://packages.debian.org/lenny-backports/kernel/linux-image-2.6.30-bpo.2-amd64 and the reboot hangs the same way. That is too old. Use the one from http://kernel.org/. You will have to compile it. > > That leads me to believe something in the mechanism of a system reboot has changed since 2.6.26-2-amd64. Just to be clear, your problem is not related to Xen, as your problem happen on bare-metal, so I am changing the title. .. snip.. > root@localhost:/usr/src# diff ./linux-2.6-2.6.26/arch/x86/kernel/reboot.c ./linux-2.6-xen/arch/x86/kernel/reboot.c > diff.out > root@localhost:/usr/src# nano diff.out > root@localhost:/usr/src# diff -y ./linux-2.6-2.6.26/arch/x86/kernel/reboot.c ./linux-2.6-xen/arch/x86/kernel/reboot.c > diff.out2 Yes. Thanks for the diffs. There is nothing in it that catches my eye as: "This is it!"