Re: KVM-74: HELP PLEASE - cannot boot from cdrom for recovery

Gerry Reno
2009-03-31T15:08:29Z

Tomasz Chmielewski wrote:
> Gerry Reno schrieb:
>> Today we upgraded one of our VM's from F9 to F10 and after the first
>> reboot we see the dreaded GRUB prompt. This it turns out is a known
>> problem with F10 installs. And the recovery is usually very simple.
>> You boot into rescue mode from CDROM and reinstall the boot loader.
>> The problem we're seeing is that even though I select CDROM from the
>> boot menu, it will never boot from the CDROM. It always has an error.
>
> What error?
>
Boot Failure Code: 0003
Boot from CDROM failed: cannot read the boot disk.
FATAL: No bootable device.

The host has only a DVD drive and we are using the DVD F10 install disk.

>
>> What can we do to get this VM to boot from the CDROM drive so that we
>> can install a new bootloader and recover this VM?
>
> What parameters do you use to start the guest?
>
>
I'm using the GUI VMM and selecting Run on that VM.

Regards,
Gerry