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 > > If I try to boot without ACPI disabled the kernel doesn't finish > booting, it stops after ata7.
Perhaps unrelated, but why don't you run amd64 version? I think PAE is a hack, for instance it does not allow processes to use more than 2GB memory, while AMD64 (called EM64T by Intel implementation) provides much more... Cheers, -- Xin LI <[EMAIL PROTECTED]> http://www.delphij.net/ FreeBSD - The Power to Serve!
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