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

From: David Mosberger-Tang <David.Mosberger_at_acm.org>
Date: 2006-03-31 02:53:56
On 3/30/06, Jack Steiner <steiner@sgi.com> 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/
-
To unsubscribe from this list: send the line "unsubscribe linux-ia64" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Received on Fri Mar 31 02:54:30 2006

This archive was generated by hypermail 2.1.8 : 2006-03-31 02:54:39 EST