Rajkumar S wrote:
Hello,
I am using a Core 2 Duo E6750 CPU on an intel DG33FB mother board with
4GB Ram, running Debian Lenny.
Since the box has 4 GB ram I compiled a big mem kernel, but the
machine is very slow while running big mem kernel. It takes about 37
minutes to compile the intel e1000 driver (e1000-7.6.5.tar.gz) from
intel site. But it's performing normally when using a non big mem
kernel. The diff of the .config between working and non working is as
follows.
Post your contents of /proc/mtrr. Likely a BIOS bug which has been seen
on a number of Intel boards, which doesn't mark all of RAM as cachable.
When the top memory starts being used with the bigmem kernel it causes a
major slowdown. Check for a BIOS update from Intel, first.
--
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