PAE Slowdown
Jeff Kramer
jeffk at well.com
Mon Oct 8 10:21:56 PDT 2007
More weirdness, if I take out 4 gig of ram and only run with 4 total,
the PAE kernel works fine.
At 11:23 AM -0500 10/8/07, Jeff Kramer wrote:
>Hey all,
>
>I know that AMD64's the preferred way to run >4 gig systems, but I'm
>having a weird situation with 6.2-RELEASE-p8 and 6-STABLE as of last
>night. When I compile the PAE kernel, my system performance drops
>like a rock. It still boots and everything still runs, but for
>instance, running the Flops port my megaflops drop from the 950
>MFLOPS range to 4 MFLOPS. It feels about as fast as a 486.
>
>I'm not sure what I should try disabling. I tried nodevice usb, but
>that didn't seem to change anything. SMP and GENERIC kernels work
>fine.
>
>CPU: Intel Core Duo 2 Quad 2.4ghz
>Memory: 8 gig (4 2 gig dimms)
>Swap: 16 gig partition
--
Jeff Kramer
jeffk at well.com
http://www.jeffkramer.org/
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