On 3/30/06, Jack Steiner <steiner@xxxxxxx> wrote: > On Thu, Mar 30, 2006 at 08:43:43AM -0700, David Mosberger-Tang wrote: > > (and at least in theory, it should cause an MCA even on > > real hardware). > > It does, at least on our chipset. If the chipset detects a simultaneous > UC & C reference, it generates a BUS error. It is surprising how > quickly this MCA occurs when we break the rules. That's good. While MCAs are a pain, it's a lot better than having to track down data corruption due to (in-)coherency. --david -- Mosberger Consulting LLC, http://www.mosberger-consulting.com/ - : send the line "unsubscribe linux-ia64" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
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