linux-kernel - Re: 2.6.25 DMA: Out of SW-IOMMU space

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Message-Id: <200808231458.39206.alistair@devzero.co.uk>
Date:	Sat, 23 Aug 2008 14:58:39 +0100
From:	Alistair John Strachan <alistair@...zero.co.uk>
To:	Krzysztof Halasa <khc@...waw.pl>
Cc:	Jari Aalto <jari.aalto@...te.net>, linux-kernel@...r.kernel.org
Subject: Re: 2.6.25 DMA: Out of SW-IOMMU space - Asus M2N32 AMD 8GB memory

On Saturday 23 August 2008 13:31:03 Krzysztof Halasa wrote:
> Jari Aalto <jari.aalto@...te.net> writes:
> >         [1] Aug 21 11:01:19 jondo kernel: [174628.275859] DMA: Out of
> > SW-IOMMU space for 65536 bytes at device 0000:00:0d.0 model name      :
> > AMD Athlon(tm) X2 Dual Core Processor
> >         BE-2400
>
> grep GART_IOMMU .config

Agreed, you shouldn't be using the SW-IOMMU on this processor.

That said, do you use the r8169 driver with jumbo frames enabled? Francois 
Romieu just fixed a leak in it that affected Intel platforms (because some 
have no hardware IOMMU).

-- 
Cheers,
Alistair.
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