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

[Gerry Reno <greno@verizon.net>]

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