Re: [Fedora-ia64-list] kernel 2.6.16-1.2097_FC6 unbootable on Itanium

From: David Mosberger-Tang <>
Date: 2006-03-31 02:53:56
On 3/30/06, Jack Steiner <> 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.

Mosberger Consulting LLC,
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Received on Fri Mar 31 02:54:30 2006

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