On Sat, Nov 03, 2007 at 01:31:49PM +0100, Bo Brant?n wrote: > > Hello, > > I tryed different linux distributions on a computer with an Intel Core 2 > Quad and I noticed that the 64-bit versions was at least 10 times slower > than the 32-bit versions, to boot the system took over 20 minutes in 64-bit > mode and then even scrolling text at the command prompt felt slow, however > Vista 64 boots as fast as Vista 32 on the same computer. So I would like to > ask if this is a known problem or if there is some simple misstake I can > have done. > > I used live cd's from gentoo and ubunto and at least ubuntu has a rather > new kernel, also dmesg doesn't show anything strange, for example is the > bogomips figure the same as when booting in 32-bit mode.
This is typically due to a problem with the setup of your MTRRs. Try booting with mem=nnnM where nnn is some number smaller than your actual amount of memory. -- Mathematics is the supreme nostalgia of our time. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/