HEADS UP! -- Re: Kernel versions, xen, grub.conf, yum upgrades

Jonathan Ryshpan jonrysh at pacbell.net
Wed Jul 11 00:04:13 UTC 2007


> Jonathan Ryshpan wrote:
> > I recently looked at my grub.conf file (attached), and noticed some odd
> > things about it.  The system is vanilla FC7 with latest upgrades; the
> > kernel has be upgraded a number of times.  The odd things are:
> > 
> > (1) The default kernel for loading appears to be an xen version.  Why is
> > this?  I gather that xen is a little more flexible but less efficient
> > than the standard kernel.  I never use this flexibility, as most users
> > never do -- why is this the default for loading?

Timothy Murphy wrote:
> I think this was a glitch in the Fedora 7 installation.
> I got a xen kernel too, which I yum removed,
> and then when I ran yum update it seemed to get the latest version
> (vmlinuz-2.6.21-1.3228.fc7).

If this is the case, everybody running FC7 should check their /boot
partition and grub.conf to see what they've got installed and which
kernel is running.  I only stumbled on this because I happened to look
at grub.conf for other reasons.  Surely there are *lots* of others.

jon





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