From: Jesse Barnes <jbarnes@sgi.com>
To: linux-ia64@vger.kernel.org
Subject: Re: [PATCH 2.6.10-rc2] Drop SALINFO_TIMER_DELAY to one minute
Date: Wed, 01 Dec 2004 17:03:59 +0000 [thread overview]
Message-ID: <200412010903.59859.jbarnes@sgi.com> (raw)
In-Reply-To: <10903.1101872210@kao2.melbourne.sgi.com>
On Wednesday, December 01, 2004 8:44 am, Jack Steiner wrote:
> In your IO code, I think you are probably safe if all you do is clear the
> error. The potential deadlocks are in the logging code. I'm assuming that
> the IO error truely is an error that SHOULD not be logged, right?
In the general case, yes, but in the specific cases I'm worried about, they're
expected PCI master aborts whose MCAs should be wholly ignored. So I only
clear the error if it was entirely recoverable. If not, the MCA is processed
normally.
> I agree that the spec really doesn't address MCAs that are usually fatal
> but software managed to ride thru the error. In one sense the error is
> corrected but in another sense it is uncorrected. The spec AFAICT doesn't
> cover this very well.
Yeah, too bad.
Jesse
prev parent reply other threads:[~2004-12-01 17:03 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-12-01 3:36 [PATCH 2.6.10-rc2] Drop SALINFO_TIMER_DELAY to one minute Keith Owens
2004-12-01 13:29 ` Jack Steiner
2004-12-01 16:36 ` Jesse Barnes
2004-12-01 16:44 ` Jack Steiner
2004-12-01 17:03 ` Jesse Barnes [this message]
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