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

To: David Gonzalez <info@xxxxxxxxxxx>
Subject: Re: [Xen-devel] xen 4.0.1 from gitco + Kernel Dom0 from git won'¡t start
From: Jeremy Fitzhardinge <jeremy@xxxxxxxx>
Date: Fri, 03 Dec 2010 14:23:18 -0800
Cc: xen-devel <xen-devel@xxxxxxxxxxxxxxxxxxx>, xen-users <xen-users@xxxxxxxxxxxxxxxxxxx>
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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 (
> root       (hd0,0)
> kernel    /xen.gz-4.0.1 dom0_mem=512M loglvl=all guest_loglvl=all
> module  /vmlinuz- ro root=/dev/vhost/root
> earlyprintk=xen nomodeset selinux=0
> module       /initrd-
> 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?


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