Comment 40 for bug 210780

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Nigel Pallett (nigelp) wrote :

I have a laptop intel i3 CPU with Intel HD GPU with 6GB ram running Ubuntu 10.10 64 bit.

I get the following error in dmesg:

[drm] MTRR allocation failed. Graphics performance may suffer.

When I run "mtrr-uncover" , I get the following:

Initial MTRR configuration:
 0 0x000000000-0x1ffffffff write-back
         2 0x0dc000000-0x0dfffffff uncachable
         1 0x0e0000000-0x0ffffffff uncachable
         6 0x17c000000-0x17fffffff uncachable
         5 0x19c000000-0x19fffffff uncachable
         4 0x1a0000000-0x1bfffffff uncachable
         3 0x1c0000000-0x1ffffffff uncachable
./mtrr-uncover: 10 MTRRs needed but only 8 in architecture.

Can anyone help me with problem ?