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Re: [Xen-devel] Re: [Xen-users] pvops dom0 kernel: Unable to locate IOA

To: Pasi Kärkkäinen <pasik@xxxxxx>
Subject: Re: [Xen-devel] Re: [Xen-users] pvops dom0 kernel: Unable to locate IOAPIC for GSI 2 and 9
From: kishore kumar <bodkekumar@xxxxxxxxx>
Date: Tue, 16 Mar 2010 14:16:22 -0700
Cc: Jeremy Fitzhardinge <jeremy@xxxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxx, xen-users@xxxxxxxxxxxxxxxxxxx
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I did below steps.

 I pulled DOM 0 kernel from
cd linux-2.6-xen

make clean

cp -a .config .config-old

wget -O .config http://pasik.reaktio.net/xen/pv_ops-dom0-debug/config-

make oldconfig

make bzImage

make modules

make modules_install

cp -a .config /boot/config-

cp -a System.map /boot/System.map-

cp -a arch/x86/boot/bzImage /boot/vmlinuz-

and modified the grub.conf as below


 kernel /xen.gz console=vga,com1 com1=115200,8n1 msi=1 iommu=1

 module /vmlinuz- ro root=/dev/VolGroup01/LogVo100  rhgb quiet

 module /initrd-

and rebooted the machine.  Then It booted with some xen messages and stopped.  Those were the messages captured from serial console.
Please let me know if I did something wrong here.

On Tue, Mar 16, 2010 at 1:20 PM, Pasi Kärkkäinen <pasik@xxxxxx> wrote:
On Tue, Mar 16, 2010 at 01:16:28PM -0700, Jeremy Fitzhardinge wrote:
> On 03/16/2010 12:48 PM, Pasi Kärkkäinen wrote:
>> On Tue, Mar 16, 2010 at 09:43:44PM +0200, Pasi Kärkkäinen wrote:
>>> On Tue, Mar 16, 2010 at 10:32:17AM -0700, kishore kumar wrote:
>>>>     Attached is the output captured from serial console.
>>>>     Machine does not boot after compiling xen 3.4.3 with pv_ops dom 0 kernel.
>>>>     Please let me know what is going wrong here.
>>> Ok this looks like a bug that is already being sorted out on xen-devel mailinglist.
>>> I added CC to xen-devel.
> Those messages are not a problem in themselves, but the related problem
> is believed to be fixed in current xen/stable-2.6.32.x.  It looks like
> the output stops there because the Xen console isn't set up properly for
> some reason.

Yeah, remove "rhgb quiet" from the options.. the dom0 kernel cmdline should be like this:
ro root=/dev/VolGroup01/LogVol00 console=hvc0 earlyprintk=xen nomodeset

-- Pasi

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