Subject: Re: 2.6.24-rc3, 4GB RAM, swiotlb, r8169, out of space

From: Alistair John Strachan <[email-masked]>
Date: Sun, 25 Nov 2007 01:48:31 +0000

On Sunday 25 November 2007 00:25:10 Francois Romieu wrote:
> Alistair John Strachan <[email-masked]> :
> [...]
>
> > The "choke" affects other devices on the system too, notably libata,
> > which does not recover gracefully. In my logs, I see a stream of:
> >
> > DMA: Out of SW-IOMMU space for 7222 bytes at device 0000:04:00.0
> > DMA: Out of SW-IOMMU space for 7222 bytes at device 0000:04:00.0
>
> You are using jumbo frames, aren't you ?

Yes, 7200 byte frames. I'll certainly try out your patch and report back.

-- 
Cheers,
Alistair.

137/1 Warrender Park Road, Edinburgh, UK.