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From: Ivan Voras <ivoras@freebsd.org>
Date: Mon, 08 Oct 2007 18:56:53 +0200
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Subject: Re: PAE Slowdown
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Jeff Kramer wrote:
> Hey all,
>=20
> 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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