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Re: Additional RAM brings Lenny to a slow-down

On Fri, Feb 29, 2008 at 12:14:37PM +0000, andy wrote:
> Andrei Popescu wrote:
>> On Fri, Feb 29, 2008 at 07:18:41AM +0000, andy wrote:
>> [...]
>>> with a fix from the manufacturers. The other alternative seems to be the 
>>> mem=xxx option passed to the kernel. If I use the latter approach, is 
>>> this something that I can develop a script to do automatically at boot 
>>> (for example, to run it as part of the GRUB parameters), or is it 
>>> something that I would have to do manually?
>> $ grep kopt /boot/grub/menu.lst
>> ## If you want special options for specific kernels use kopt_x_y_z
>> ## e.g. kopt=root=/dev/hda1 ro
>> ##      kopt_2_6_8=root=/dev/hdc1 ro
>> ##      kopt_2_6_8_2_686=root=/dev/hdc2 ro
>> # kopt=root=/dev/hda2 ro vga=791
>> # xenkopt=console=tty0
>> Regards,
>> Andrei
> Thanks for this Andrei. How would I tweak this to enable my kernel to 
> recognise and utilise the additional RAM? Looking through the file, the 
> relevant section appears to be this commented part:

No, the line you need to edit is the one with 'kopt=...'. Don't 
uncomment it, just add the relevant parameter to the end (like I added 
vga=791 for my laptop).

After you're done you *must* run /usr/sbin/update-grub

If you can't explain it simply, you don't understand it well enough.
(Albert Einstein)

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