On 11/23/2013 03:22 PM, Peter wrote: > On 11/24/2013 08:14 AM, Johnny Hughes wrote: > > On 11/23/2013 12:07 PM, Kenneth Porter wrote: > >> I ran "yum update" the other day on my dom0 and let it pull a new > >> kernel. The RPM install scriptlet runs /sbin/new-kernel-pkg (part > >> of the grubby package) to update grub.conf. It writes a new > >> record to boot the Linux kernel instead of Xen. It would be nice > >> if it noticed that it was running inside Xen and wrote a suitable > >> record for that. > >> > > > We are aware of this issue and for now, you have to manually run > > /usr/bin/grub-bootxen.sh > > > We are also aware that the setup that grub-bootxen.sh provides is > > very basic and does not learn/keep custom settings. > > > This is something that we would love to receive community input to > > fix. > > Modifying the spec file for the Xen kernel package to call an > additional script in %post should be trivial, and since this kernel > package doesn't come from upstream you should be free to do so. > > The issue with using grubby is that grubby expects the kernel to be > defined in the kernel line and the initrd in the initrd line. But > with Xen boot entries both are defined in module lines instead. It > shouldn't bee too difficult to eitehr write a new script that would > work similar to grubby but looks at the module lines instead, or to > modify grubby itself to do so. > > Note that I (and I would think some others) like to have two boot > entries for each new kernel. One that boots via the Xen hypervisor > and a second that boots directly to the kernel itself, I would love to > see such a script be able to copy both of these entries when > installing a new kernel. The problem is, this kernel is not just installed on Dom0 machines ... so we need some way to know if this is or is not a Dom0 machine as well as to set the parameters. -------------- next part -------------- A non-text attachment was scrubbed... Name: signature.asc Type: application/pgp-signature Size: 198 bytes Desc: OpenPGP digital signature URL: <http://lists.centos.org/pipermail/centos-virt/attachments/20131124/9ec8caeb/attachment-0004.sig>