From mboxrd@z Thu Jan  1 00:00:00 1970
From: =?UTF-8?B?SsOpcsO0bWU=?= Carretero <cJ-ko@zougloub.eu>
Subject: Re: Bad DMA from Marvell 9230
Date: Fri, 30 May 2014 09:58:22 -0400
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To: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Tejun Heo <tj@kernel.org>, Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>, linux-ide@vger.kernel.org, LKML <linux-kernel@vger.kernel.org>, Alex Williamson <alex.williamson@redhat.com>

On Fri, 30 May 2014 20:37:58 +1000
Benjamin Herrenschmidt <benh@kernel.crashing.org> wrote:

> We've switched to a 9235 instead which seems to work fine.

Weird (I hadn't seen that you reported the 9235 working...), I have
IOMMU problems with a 9235...

What system are you running it on (when you say "power box", is it a
beefy x86 computer or literally a PowerPC)?
=46or me, AMD 990FX chipset, latest master linux.
My board works fine* on another non-IOMMU system.

--=20
J=C3=A9r=C3=B4me

* with issues with port multipliers

Link to Benjamin's first message: https://lkml.org/lkml/2014/3/27/43