Fedora 9 on PS3, cant boot after update

[Andrea]

Geoff Levand wrote:
> On 08/03/2008 11:16 AM, Andrea wrote:
>> Then the only thing I can do is to press the switch until it switches off.
>>
>> 1) Does anybody know what happens?
>> 2) How can I reboot the PS3 software?
>> 3) How can I fix it?
> 
> A new kernel was installed.  Try using the older kernel.
> 

I thought about that, but I cannot figure out how to select the old kernel...

How do I choose it with kboot?

Andrea