linux-kernel - Re: r8169 and out of space

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Date:	Thu, 10 Jan 2008 19:20:46 +0000
From:	Alistair John Strachan <alistair@...zero.co.uk>
To:	Nathan Grennan <alistair@...nusx-1.org>
Cc:	Francois Romieu <romieu@...zoreil.com>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	linux-net@...r.kernel.org
Subject: Re: r8169 and out of space

Bugzilla for this report: http://bugzilla.kernel.org/show_bug.cgi?id=9468

On Thursday 10 January 2008 17:28:22 you wrote:
>   I saw your thread on LKML about the problem with r8169. Did you ever
> find a patch or solution?

No, we have not diagnosed the cause of the problem, beyond the swiotlb usage. 
I'm adding the r8169 maintainer, linux-net and linux-kernel to CC, to pass on 
your information, I hope you don't mind.

>   I have a Abit AB9 Pro motherboard with Intel P965 chipset, 4gb of
> memory, and two onboard r8169. The kernel is
> kernel-2.6.23.9-85.fc8.x86_64. I am using jumbo frames, the MTU set at
> 5924. The error is mentions 5946 bytes. 5946 - 5924 is 22. The same as
> your 7200 MTU subtracted from your bytes, 7222.
>
>   I can set my MTU to 7200, and I can ping with 60000 byte packets just
> fine, but tcp connections hang unless I set the MTU to 5924 or lower.
> The other side is a Nvidia based board with a forcedeth driver that has
> in the past taken 9000 just fine.

-- 
Cheers,
Alistair.

137/1 Warrender Park Road, Edinburgh, UK.
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