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.
Does vmstat -i show unusually high interrupt rates?
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