https://bugs.freedesktop.org/show_bug.cgi?id=54583

--- Comment #10 from [email protected] 2012-09-22 05:51:50 UTC ---
(In reply to comment #9)
> (In reply to comment #8)
> > Is it possible you can give me detailed instructions on how to do this?
> > I have gone to grub by pressing shift key during boot, and furthermore 
> > pressed
> > e key to edit the boot script.
> 
> That's correct.  Just append radeon.agpmode=-1 to the kernel line.
> 
> > I don't know how to make the change permanent from grub's simple editor.
> > How to I know from Ubuntu's GUI that I am running in PCI mode instead of AGP
> > mode?
> 
> To make it permanent, edit the /etc/grub2.cfg and manually make the change. 
> You can check the radeon dmesg messages to see whether the card is loaded in
> AGP or non-AGP mode.

I don't see grub2.cfg file under /etc
Again, I am using Ubuntu 12.04.1 LTS 32-bit.
Is there an alternative way to permanently alter the grub options?

Regards,

fpgahardwareengineer

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