From: Alex Williamson <alex.williamson@hp.com>
To: linux-ia64@vger.kernel.org
Subject: Re: [RFC] I/O MCA recovery
Date: Tue, 04 May 2004 23:23:24 +0000 [thread overview]
Message-ID: <1083713004.5669.24.camel@localhost> (raw)
In-Reply-To: <200405040954.09524.jbarnes@engr.sgi.com>
On Tue, 2004-05-04 at 17:17, Jesse Barnes wrote:
> > ISTR only config space accesses are always required to softfail
> > on master aborts. I don't recall if IO Port space is required to as
> > well and it looks like this issue is outside the scope of PCI spec.
>
> Alex says that zx1 can soft fail on IO port accesses if configured to do so.
> We don't have that option.
>
And the default configuration for zx1 is I/O port space in soft fail,
MMIO space in hardfail. The current zx1 "smarts" in X can reconfigure
the bridge w/ VGA to softfail MMIO for probing/int10 support. It's
ugly, but it works.
Alex
--
Alex Williamson HP Linux & Open Source Lab
next prev parent reply other threads:[~2004-05-04 23:23 UTC|newest]
Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-05-04 16:54 [RFC] I/O MCA recovery Jesse Barnes
2004-05-04 17:14 ` Grant Grundler
2004-05-04 17:27 ` Jesse Barnes
2004-05-04 17:43 ` David Mosberger
2004-05-04 17:51 ` Grant Grundler
2004-05-04 18:04 ` Jesse Barnes
2004-05-04 18:07 ` Jesse Barnes
2004-05-04 18:20 ` David Mosberger
2004-05-04 22:36 ` Jesse Barnes
2004-05-04 22:50 ` Chris Wedgwood
2004-05-04 22:51 ` David Mosberger
2004-05-04 22:58 ` Jesse Barnes
2004-05-04 23:11 ` Grant Grundler
2004-05-04 23:13 ` David Mosberger
2004-05-04 23:15 ` David Mosberger
2004-05-04 23:17 ` Jesse Barnes
2004-05-04 23:18 ` Grant Grundler
2004-05-04 23:23 ` Alex Williamson [this message]
2004-05-04 23:31 ` Grant Grundler
2004-05-04 23:31 ` David Mosberger
2004-05-04 23:36 ` Grant Grundler
2004-05-12 19:03 ` Jesse Barnes
2004-05-12 21:11 ` David Mosberger
2004-05-12 21:24 ` Jesse Barnes
2004-05-12 21:35 ` David Mosberger
2004-05-12 21:44 ` Jesse Barnes
2004-05-12 21:52 ` Jesse Barnes
2004-05-12 21:54 ` David Mosberger
2004-05-12 21:59 ` Jesse Barnes
2004-05-13 9:02 ` Luck, Tony
2004-05-13 15:52 ` Jesse Barnes
2004-05-13 16:07 ` Luck, Tony
2004-05-13 16:43 ` Russ Anderson
2004-05-13 16:53 ` Jesse Barnes
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