On Mon, May 28, 2012 at 04:22:50PM +0200, Steven G. Smith wrote:
>    Hi,
>    Is there a "best practices" procedure for updating the xen Dom0
>    environment (kernel)? The installation of Fedora 16 with xen 4 was a
>    breeze and it has been running and performing well for ~ eight Months.
>    Performing an update on the Dom0 kernel, however, does not seem to be
>    covered in the standard documentation. Using Yum to update the kernel does
>    not rebuild or change the xen.gz and the new kernel will not boot the xen
>    dom0.   Does anyone have any experience with this?

I think you need to edit /etc/default/grub

GRUB_CMDLINE_XEN="dom0_mem=1024M loglvl=all guest_loglvl=all"

Or whatever settings you need for your environment.
Then run: grub2-mkconfig -o /boot/grub2/grub.cfg

That should do it.

-- Pasi

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