From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ryan Harper Subject: Re: [RFH] xen domain0 failover stuff Date: Fri, 31 Mar 2006 10:08:45 -0600 Message-ID: <20060331160845.GD32175@us.ibm.com> References: <20060327220842.GG9941@redhat.com> <20060330213511.GB4802@redhat.com> <20060331054812.GF7814@sorel.sous-sol.org> <20060331154401.GE4802@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: <20060331154401.GE4802@redhat.com> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xensource.com Errors-To: xen-devel-bounces@lists.xensource.com To: Don Zickus Cc: xen-devel@lists.xensource.com List-Id: xen-devel@lists.xenproject.org * Don Zickus [2006-03-31 09:41]: > On Thu, Mar 30, 2006 at 09:48:12PM -0800, Chris Wright wrote: > > * Don Zickus (dzickus@redhat.com) wrote: > > > Continuing on my project to get a domain0 to failover to a second domain0, > > > I have stumbled upon an out of memory problem. Does anyone know what type > > > of quirky scenario I would have had to create in order to have > > > xen_create_contiguous_region() fail within > > > swiotlb_init_with_default_size() of the linux x86_64 kernel? > > > > Sounds like nothing other than running low on that amount of contiguous > > pages. > > > > CTRL-a CTRL-a CTRL-a m > > > > Typing that should show you what's available, I suspect it's less than > > the swiotlb is asking for. > > You know I have never been able to get this to work. It keeps wanting to > initializing my modem (minicom uses the same CTRL-a interface). :) Or > maybe this is because I am using the redhat version. The conswitch parameter to xen allows you to change the key used with control to switch between Xen and Dom0 serial input. I use 'x' and don't have to reconfigured minicom. title Xen 3.0-unstable / XenLinux 2.6.11 kernel /boot/xen.gz dom0_mem=524288 com1=115200,8n1 conswitch=x module /boot/vmlinuz-2.6.11-xen0 root=/dev/sda1 ro console=tty0 -- Ryan Harper Software Engineer; Linux Technology Center IBM Corp., Austin, Tx (512) 838-9253 T/L: 678-9253 ryanh@us.ibm.com