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From: Alistair John Strachan <alistair@devzero.co.uk>
To: Krzysztof Halasa <khc@pm.waw.pl>
Cc: Jari Aalto <jari.aalto@cante.net>, linux-kernel@vger.kernel.org
Subject: Re: 2.6.25 DMA: Out of SW-IOMMU space - Asus M2N32 AMD 8GB memory
Date: Sat, 23 Aug 2008 14:58:39 +0100	[thread overview]
Message-ID: <200808231458.39206.alistair@devzero.co.uk> (raw)
In-Reply-To: <m3vdxrhq0o.fsf@maximus.localdomain>

On Saturday 23 August 2008 13:31:03 Krzysztof Halasa wrote:
> Jari Aalto <jari.aalto@cante.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.

  reply	other threads:[~2008-08-23 13:58 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-08-23 10:49 2.6.25 DMA: Out of SW-IOMMU space - Asus M2N32 AMD 8GB memory Jari Aalto
2008-08-23 12:31 ` Krzysztof Halasa
2008-08-23 13:58   ` Alistair John Strachan [this message]
2008-08-23 15:23     ` Jari Aalto
2008-08-24  8:37     ` Jari Aalto
2008-08-24 13:42       ` Krzysztof Halasa
2008-08-24 15:08         ` Jari Aalto
2008-08-24  8:34   ` Jari Aalto
     [not found] <fa.c8YPWdZHXAabbZwTVLAgq9ahOlE@ifi.uio.no>
     [not found] ` <fa.9B7J3O7801PlFtm4WwuBX/J0kU8@ifi.uio.no>
     [not found]   ` <fa.ES0QYHe349FfrOTaqTun1n3qaYk@ifi.uio.no>
     [not found]     ` <fa.8FK+C3lDiXBnZCV9FTofTkm6PJE@ifi.uio.no>
     [not found]       ` <fa.cN6j0N4TRlTlG7oLEhhT8Wj2N7A@ifi.uio.no>
     [not found]         ` <fa.XwRqZTkk0olSp3UUnbSFZahR4TI@ifi.uio.no>
2008-08-24 21:52           ` Robert Hancock
2008-08-24 22:16             ` Jari Aalto
2008-08-25  0:19               ` Krzysztof Halasa
2008-08-28 20:49                 ` Jari Aalto
2008-08-28 20:59                   ` Yinghai Lu
  -- strict thread matches above, loose matches on Subject: below --
2008-08-29  3:41 Gerardo Exequiel Pozzi
2008-08-29  6:20 ` Jari Aalto
2008-08-29  7:49 ` Jari Aalto
2008-08-29  8:08   ` Yinghai Lu
2008-08-29 18:45 Gerardo Exequiel Pozzi
2008-08-29 21:31 ` Jari Aalto

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