Re: [Xen-devel] xen 4.0.1 from gitco + Kernel Dom0 from git won'¡t start

[Jeremy Fitzhardinge <jeremy@xxxxxxxx>]

On 12/03/2010 01:29 PM, David Gonzalez wrote:
> Hi,
>
> I'm using CentOS 5.5 x64 and installed xen 4.0.1 with stock centos
> 2.6.18-194.26.1.el5xen kernel and initially it's working flawlesly,
> but I want/need to use the pv_ops dom0 kernel, so I followed
> instructions from this blog
> http://ppadala.net/blog/2010/09/how-to-setup-xen4-and-pvops-2-6-32-x-on-centos-5-5-using-gitco-repository/
>
> I bult the kernel correclty and no errors showed up but when I try to
> boot with the new kernel a panic shows and then the machine reboots
> into a cycle I don't have serial console where to log kernel messages
> and as the machine reboots I cannot take a note of what shows up, my
> grub.conf liooks like this:
>
> title        pv_ops dom0 (2.6.32.26)
> root       (hd0,0)
> kernel    /xen.gz-4.0.1 dom0_mem=512M loglvl=all guest_loglvl=all
> module  /vmlinuz-2.6.32.26-dom0 ro root=/dev/vhost/root
> earlyprintk=xen nomodeset selinux=0
> module       /initrd-2.6.32.26-dom0.img
>
> If you can guide me on how to provide you with more informatio I'd be
> very happy as this last step has always goven me this results.

It would be very helpful if you can get a serial console set up.  But
failing that, can you at least take a photo of the screen with the panic?

What stage of the boot process does the panic happen at?

    J

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