Messages in this thread | | | Date | Mon, 5 Nov 2007 17:00:05 +0100 (CET) | From | Bo Brantén <> | Subject | Re: x86_64 ten times slower than i386 |
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After I uppgraded the BIOS the mtrr looks like below, and now it works if I boot with mem=4736M so I can use all memory but it still doesn't work without the mem parameter then it will run as slow as before.
reg00: base=0x00000000 ( 0MB), size=2048MB: write-back, count=1 reg01: base=0x80000000 (2048MB), size=1024MB: write-back, count=1 reg02: base=0xc0000000 (3072MB), size= 256MB: write-back, count=1 reg03: base=0xcf800000 (3320MB), size= 8MB: uncachable, count=1 reg04: base=0xcf700000 (3319MB), size= 1MB: uncachable, count=1 reg05: base=0x100000000 (4096MB), size= 512MB: write-back, count=1 reg06: base=0x120000000 (4608MB), size= 128MB: write-back, count=1 - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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