[Xen-devel] [PATCH] fix pygrub domU grub.conf timeout=0 handling

[Pasi Kärkkäinen <pasik@xxxxxx>]

Hello,

When you install Fedora 11 PV domU/guest with virt-install or virt-manager,
it will have timeout=0 in it's grub.conf. This is a new default in F11.

pygrub of Xen 3.4.1 doesn't seem to be able to handle timeout=0, instead it
waits the user to press ENTER.. this causes confusion and makes it look
like the guest has crashed. Graphical VNC console is not yet available at
this point, so the kernel can be only chosen from "xm console <f11domain>",
where pygrub is waiting for user input.

This patch fixes the problem and let's you start F11 domUs without going to
the text console to select the kernel. The change is taken from the 
RHEL5.3 version of pygrub.

Patch is tested with Fedora 11 (timeout=0) and CentOS 5.3 (timeout=5) domUs.

-- Pasi

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