Comment 10 for bug 370552

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Kevin Lake (kjl) wrote :

Martin, on Ubuntu (Karmic) you should edit the file /etc/default/grub and add the options in the GRUB_CMDLINE_LINUX parameter, so that it reads:
GRUB_CMDLINE_LINUX="enable_mtrr_cleanup mtrr_spare_reg_nr=1"
then run

update-grub