From: Andreas Kleen <ak@suse.de>
To: Anthony DeRobertis <asd@suespammers.org>
Cc: Stephen Hemminger <shemminger@osdl.org>,
Martin Michlmayr <tbm@cyrius.com>,
netdev@vger.kernel.org, linux-kernel@vger.kernel.org,
kevin@sysexperts.com
Subject: Re: skge error; hangs w/ hardware memory hole
Date: Wed, 12 Jul 2006 04:54:54 +0200 (CEST) [thread overview]
Message-ID: <121226.1152672894714.SLOX.WebMail.wwwrun@imap-dhs.suse.de> (raw)
In-Reply-To: <44B46276.5030006@suespammers.org>
Spamming bug robot dropped from cc list.
Am Mi 12.07.2006 04:46 schrieb Anthony DeRobertis <asd@suespammers.org>:
> OK, here are the results with iommu=force. All of these are copied
> down
> by hand, so please forgive any transcription errors:
You need to use iommu=soft swiotlb=force
The standard IOMMU is also broken on VIA, but forced swiotlb should
work.
However it is a bit slow because it will force all IO through an
additional copy.
If it helps I can do a proper patch that only bounces IO > 4GB through
the copy.
> Honestly, should I chuck this board through the window of my nearest
> ASUS and/or VIA office, and buy an NForce board?
We can probably get it to work, but you're clearly outside validated
territory (= you're running the hardware in a untested by the vendor
configuration). Normally that's not a good idea.
BTW there are NForce systems with similar problems, but they are
rare.
-Andi
next prev parent reply other threads:[~2006-07-12 2:55 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-07-03 20:52 Martin Michlmayr
2006-07-07 21:18 ` Stephen Hemminger
2006-07-07 21:28 ` Andi Kleen
2006-07-08 8:50 ` Martin Michlmayr
2006-07-09 15:24 ` Anthony DeRobertis
2006-07-12 2:46 ` Anthony DeRobertis
2006-07-12 2:54 ` Andreas Kleen [this message]
2006-07-12 4:09 ` Kevin Brown
2006-07-12 13:37 ` Andi Kleen
2006-07-23 6:32 ` Anthony DeRobertis
2006-07-24 2:12 ` Stephen Hemminger
2006-07-25 2:35 ` Andi Kleen
2006-07-19 14:05 Andy Chittenden
[not found] <6uDGH-7Nj-57@gated-at.bofh.it>
[not found] ` <200609200901.39460.ak@suse.de>
[not found] ` <45118F00.2030303@highlandsun.com>
[not found] ` <200609202121.14156.ak@suse.de>
[not found] ` <4511A101.2070707@highlandsun.com>
[not found] ` <5624739.1158784754480.SLOX.WebMail.wwwrun@imap-dhs.suse.de>
2006-09-24 19:50 ` Howard Chu
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