Re: Re: [Xen-users] pvops dom0 kernel: Unable to locate IOAPIC for GSI 2 and 9

["Pasi Kärkkäinen" <pasik@iki.fi>]

On Tue, Mar 16, 2010 at 02:16:22PM -0700, kishore kumar wrote:
>    I did below steps.
> 
> 
>     I pulled DOM 0 kernel from
>    git clone git://[1]git.kernel.org/pub/scm/linux/kernel/git/jeremy/xen.git
>    linux-2.6-xen
> 
>    cd linux-2.6-xen
> 
>    make clean
> 
>    cp -a .config .config-old
> 
>    wget -O .config
>    [2]http://pasik.reaktio.net/xen/pv_ops-dom0-debug/config-2.6.32.9-pvops-dom0-xen-stable-x86_64
> 
>    make oldconfig
> 
>    make bzImage
> 
>    make modules
> 
>    make modules_install
> 
>    cp -a .config /boot/config-2.6.32.9
> 
>    cp -a System.map /boot/System.map-2.6.32.9
> 
>    cp -a arch/x86/boot/bzImage /boot/vmlinuz-2.6.32.9
> 
>    and modified the grub.conf as below
> 
> 
>    Root(hd0,0)
> 
>     kernel /xen.gz console=vga,com1 com1=115200,8n1 msi=1 iommu=1
> 
>     module /vmlinuz-2.6.32.9 ro root=/dev/VolGroup01/LogVo100  rhgb quiet
> 
>     module /initrd-2.6.32.9.img
> 
> 
>    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.
>

Please fix the kernel cmdline based on my earlier email, and capture and post the
serial console log again!

-- Pasi
 
> 
> 
>    On Tue, Mar 16, 2010 at 1:20 PM, Pasi Kärkkäinen <[3]pasik@iki.fi> 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
> 
> References
> 
>    Visible links
>    1. http://git.kernel.org/pub/scm/linux/kernel/git/jeremy/xen.git
>    2. http://pasik.reaktio.net/xen/pv_ops-dom0-debug/config-2.6.32.9-pvops-dom0-xen-stable-x86_64
>    3. mailto:pasik@iki.fi