Description of problem:
After kernel upgrade following boot into xen.gz throws error "can't find $xen_rm_opts"
Version-Release number of selected component (if applicable):
xen-4.3.2 and all recent linux kernels
Steps to Reproduce:
1. update kernel
Boot prints "can't find $xen_rm_opts"
After typing any key or waiting for the timeout boot proceeds normally.
Steps to elimate the error:
yum erase xen; yum install xen
I am experiencing this same issue, with two key differences:
1. After pressing a key, it does not boot normally, but instead displays a kernel panic and reboots.
2. Erasing and reinstalling xen does not fix it.
The grub menu does hint at a problem, however. The default entry is for kernel 3.15.7-200 but the latest Xen entry is for kernel 3.15.6-200.
This is a critical error for me; all VMs are now inoperable.
I was able to solve this issue by manually re-creating the grub file: `grub2-mkconfig -o /boot/grub2/grub.cfg`.
Shouldn't this be done automatically during an installation of Xen? Checking the timestamps on all files in /boot reveal that none are touched during a xen installation, which doesn't seem quite right to me.
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