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

[Pasi Kärkkäinen <pasik@xxxxxx>]

On Fri, Dec 03, 2010 at 04:29:45PM -0500, 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
>    
> [1]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

Try adding "noreboot lapic=debug apic_verbosity=debug apic=debug iommu=off" to 
xen.gz line.

>    module  /vmlinuz-2.6.32.26-dom0 ro root=/dev/vhost/root earlyprintk=xen
>    nomodeset selinux=0

Also add "initcall_debug debug loglevel=10" to the vmlinuz line.

>    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.
> 

Hopefully those help.

-- Pasi


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