From: Andi Kleen <ak@suse.de>
To: Nishanth Aravamudan <nacc@us.ibm.com>
Cc: Michael Madore <michael.madore@gmail.com>, linux-kernel@vger.kernel.org
Subject: Re: PCI-DMA: high address but no IOMMU
Date: Sun, 30 Oct 2005 15:59:15 +0100 [thread overview]
Message-ID: <200510301559.15423.ak@suse.de> (raw)
In-Reply-To: <20051030142924.GA30183@us.ibm.com>
On Sunday 30 October 2005 15:29, Nishanth Aravamudan wrote:
>
> Ah, silly me, I set IOMMU_DEBUG to Y at some point without realizing.
> Taking that away removed the issues and I now only get:
>
> [ 0.000000] Checking aperture...
> [ 0.000000] CPU 0: aperture @ 4000000 size 32 MB
> [ 0.000000] Aperture from northbridge cpu 0 too small (32 MB)
> [ 0.000000] No AGP bridge found
>
> ...
>
> [ 47.737770] PCI-DMA: Disabling IOMMU.
>
> Which makes a lot more sense.
And everything works when you disable IOMMU_DEBUG? Is that the case
with the other reporters of this problem too?
-Andi
next prev parent reply other threads:[~2005-10-30 14:58 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-10-27 17:47 PCI-DMA: high address but no IOMMU Michael Madore
2005-10-27 17:57 ` Nish Aravamudan
2005-10-27 22:16 ` Andi Kleen
2005-10-27 22:39 ` Michael Madore
2005-10-28 1:59 ` Nishanth Aravamudan
2005-10-30 14:29 ` Nishanth Aravamudan
2005-10-30 14:59 ` Andi Kleen [this message]
2005-10-30 21:26 ` Nishanth Aravamudan
2005-10-30 0:27 ` PCI-DMA: high address but no IOMMU - nForce4 Matti Aarnio
2005-11-01 5:21 ` Marc Perkel
2005-11-02 15:38 ` Andreas Kleen
2005-11-06 12:35 ` Matti Aarnio
2005-11-01 16:35 ` Marc Perkel
2005-12-18 20:07 ` PCI-DMA: high address but no IOMMU (still there) Alex Bligh - linux-kernel
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=200510301559.15423.ak@suse.de \
--to=ak@suse.de \
--cc=linux-kernel@vger.kernel.org \
--cc=michael.madore@gmail.com \
--cc=nacc@us.ibm.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox