[clug] F7 boot kills BIOS

Eyal Lebedinsky eyal at eyal.emu.id.au
Sun Oct 21 09:56:48 GMT 2007


Good advice. I am not a grub user so the minimal instructions were very

Running with bare messages identified the failure as following the line
	Enabling ondemand cpu frequency scaling

Single-user boot works so I could get in. I should have tried 'single'

After some searching I identified the service as /etc/init.d/cpuspeed
which I now disabled and the machine is booting fine.


Alex Osborne wrote:
> If you're lucky, it's just a bad driver. Try removing the "rhgb" (Red 
> Hat Graphical Boot) and "quiet" options from the kernel command-line and 
> adding "single" (single user mode).  That should (in theory, I don't use 
> Fedora) bypass the graphical stuff so you can see the boot messages.  If 
> it still dies, you'll hopefully get a hint as to what's causing it from 
> the kernel messages.  If not, then it is likely one of the loadable 
> modules, so you could try loading them manually and see if you can find 
> the culprit.  If you have no luck fixing it at all you always have the 
> option of just borrowing the kernel from the working version Knoppix. ;-)
> Also, you probably already know this, but assuming Fedora uses normal 
> GRUB for boot loading you can easily edit the kernel options on startup 
> by pressing the "e" key in the boot menu, and "e" again on the kernel 
> line, change it as you like, enter and then "b" to boot.
> Good luck,
> Alex
> On 21/10/2007, at 6:29 PM, Eyal Lebedinsky wrote:
>> Just installed fresh fedora 7, off the DVD, no updates yet.
>> At boot time, soon after the graphics progress window comes up, the 
>> machine stops
>> with blinking CapsLock and ScrollLock. This, I understand, means the 
>> kernel decided
>> to die.
>> What boot options should I try to (possibly) get past this?

Eyal Lebedinsky	(eyal at eyal.emu.id.au)

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