From: Muli Ben-Yehuda <muli@il.ibm.com>
To: Jeff Garzik <jeff@garzik.org>
Cc: Andrew Morton <akpm@osdl.org>, Greg KH <greg@kroah.com>,
Jim Paradis <jparadis@redhat.com>, Andi Kleen <ak@suse.de>,
LKML <linux-kernel@vger.kernel.org>,
jdmason@kudzu.us
Subject: Re: [PATCH] x86[-64] PCI domain support
Date: Sat, 30 Sep 2006 12:34:21 +0300 [thread overview]
Message-ID: <20060930093421.GP22787@rhun.haifa.ibm.com> (raw)
In-Reply-To: <20060928233116.GK22787@rhun.haifa.ibm.com>
On Fri, Sep 29, 2006 at 02:31:16AM +0300, Muli Ben-Yehuda wrote:
> On Thu, Sep 28, 2006 at 07:03:28PM -0400, Jeff Garzik wrote:
>
> > hmmmm. What kernels did you test?
>
> mainline as of today + several unrelated Calgary patches I'll post
> shortly + your PCI domains patch + my Calgary patch. I'll test with
> iommu=off next.
>
> > That should narrow down the problems. A problem with aic94xx sorta
> > sounds like something unrelated.
>
> Not necessarily - Calgary is an isolating IOMMU, meaning that if we
> set up a mapping for aic94xx in the wrong IO space due to a Calgary
> bug, aic94xx will fall over and die. Usually however this happens a
> lot sooner. Also, we have code in Calgary to detect when an errant DMA
> happens and it hasn't triggered in this case.
Ok, turns out it's neither a PCI domains nor Calgary issue, since I
can reproduce it on mainline with iommu=off. Must be an aic94xx
issue, I'll send the details to linux-scsi in a bit.
Cheers,
Muli
next prev parent reply other threads:[~2006-09-30 9:34 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-09-26 19:15 Jeff Garzik
2006-09-26 20:23 ` Greg KH
2006-09-26 20:27 ` Andi Kleen
2006-09-26 20:44 ` Jeff Garzik
2006-09-27 4:40 ` Greg KH
2006-09-27 7:28 ` Rolf Eike Beer
2006-09-28 9:33 ` Muli Ben-Yehuda
2006-09-28 9:45 ` Jeff Garzik
2006-09-28 22:45 ` Muli Ben-Yehuda
2006-09-28 23:03 ` Jeff Garzik
2006-09-28 23:31 ` Muli Ben-Yehuda
2006-09-30 9:34 ` Muli Ben-Yehuda [this message]
2006-09-30 10:03 ` Jeff Garzik
2006-09-30 10:42 ` Muli Ben-Yehuda
2006-09-30 11:12 ` Jeff Garzik
2006-09-30 11:41 ` Jeff Garzik
2006-09-30 17:51 ` [PATCH] x86-64: Calgary IOMMU: update to work with PCI domains Muli Ben-Yehuda
2006-10-01 3:41 ` Jeff Garzik
2006-09-29 13:43 ` [PATCH] x86[-64] PCI domain support Jon Mason
2006-09-29 17:11 ` Muli Ben-Yehuda
2006-09-29 18:24 ` Jon Mason
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