Note that this solution worked for a ThinkPad410 with Intel graphics (i915 driver), as follows:
Kevin Lake wrote on 2010-01-24:
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
Note that this solution worked for a ThinkPad410 with Intel graphics (i915 driver), as follows:
Kevin Lake wrote on 2010-01-24:
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: LINUX=" enable_ mtrr_cleanup mtrr_spare_ reg_nr= 1"
GRUB_CMDLINE_
then run
update-grub