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[SOLVED] Grub2 & Xen
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ShiroiKuma
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Joined: 09 Nov 2012
Posts: 20
Location: UK

PostPosted: Fri Mar 01, 2013 10:42 am    Post subject: [SOLVED] Grub2 & Xen Reply with quote

I'm trying to get grub2-mkconfig to automatically add entries for Xen, as per the /etc/grub.d/20_linux_xen script. I've read elsewhere that I need to have a /boot/config-{version} file that matches my kernel, which I do. Yet it just won't add my entry for the Xen kernel.

In /boot I have
Code:

kernel-3.7.5-hardened-r1
config-3.7.5-hardened-r1
kernel-3.7.5-hardened-r1-xen
config-3.7.5-hardened-r1-xen
xen-4.2.0.gz
xen.gz -> xen-4.2.0.gz
xen-4.2.gz -> xen-4.2.0.gz
xen-4.gz -> xen-4.2.0.gz
xen-syms-4.2.0


I added the -xen kernel/config to see if it made a difference, now I just get 2 boot entries instead, but still no one generated from the 20_linux_xen script in grub.d.

Looking at that script with my very limited bash scripting skills, it looks like it should be finding those files and creating entries, but I just can't work it out. What else could be missing?

EDIT While I was posting this, I was recompiling my kernel with Xen Guest Support enabled. I re-ran grub2-mkconfig and now it works. Re-looking at the script, I can see that CONFIG_XEN_PRIVILEGED_GUEST=y is the key to Grub2 automatically detecting it.
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wangbj
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Joined: 08 Oct 2013
Posts: 2

PostPosted: Tue Oct 08, 2013 10:32 pm    Post subject: /etc/kernels/kernel-config-x86_64-`uname -r` must exist Reply with quote

gentoo will read the configuration

CONFIG_XEN_DOM0=y
CONFIG_XEN_PRIVILEGED_GUEST=y

from /etc/kernels/kernel-config-x86_64-`uname -r`, thus this file must exist.
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