On Wed, 3 Oct 2007 22:35:24 +0300 "Pekka Enberg" <[EMAIL PROTECTED]> wrote:
> Hi Linus, > > On 10/3/07, Linus Torvalds <[EMAIL PROTECTED]> wrote: > > I would bet that the reason the intel-optimized memcpy triggers this is > > that the non-temporal stores just means that you go out directly on the > > bus, and it probably just shows a weakness in the chipset or bus that > > doesn't show with the normal cacheline accesses. > > But that should show up with memtest too, no? Not neccessarily. The old VIA memory copying bug only showed up with prefetching and mmx store patterns. That was a hardware flaw that took extreme memory utilisation to show up - so it does occur but thats not to say it is the cause Alan - 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/
