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

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Message-ID: <20071125002510.GA30759@electric-eye.fr.zoreil.com>
Date:	Sun, 25 Nov 2007 01:25:10 +0100
From:	Francois Romieu <romieu@...zoreil.com>
To:	Alistair John Strachan <alistair@...zero.co.uk>
Cc:	netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: 2.6.24-rc3, 4GB RAM, swiotlb, r8169, out of space

Alistair John Strachan <alistair@...zero.co.uk> :
[...]
> 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 ?

-- 
Ueimor
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