2008-06-01 07:31:43

by Andrey Panin

[permalink] [raw]
Subject: Re: NIU - Sun Neptune 10g - Transmit timed out reset (2.6.24)

On 143, 05 22, 2008 at 10:41:45 -0700, David Miller wrote:
> From: Jesper Krogh <[email protected]>
> Date: Thu, 22 May 2008 18:32:07 +0200
>
> > Does this mean that I can expect every 10G card to have this limitation
> > under Linux?
>
> For now, yes. The transmit path itself in the generic network
> device layer is where the serialization comes from.

BTW does this problem affects bonded interfaces ?

> I'm travelling now for 3 weeks so I won't be able to work on
> this stuff until I get back.
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--
Andrey Panin | Linux and UNIX system administrator
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2008-06-01 16:02:21

by David Miller

[permalink] [raw]
Subject: Re: NIU - Sun Neptune 10g - Transmit timed out reset (2.6.24)

From: Andrey Panin <[email protected]>
Date: Sun, 1 Jun 2008 11:25:28 +0400

> On 143, 05 22, 2008 at 10:41:45 -0700, David Miller wrote:
> > For now, yes. The transmit path itself in the generic network
> > device layer is where the serialization comes from.
>
> BTW does this problem affects bonded interfaces ?

The toplevel bond device uses lockless transmit because
it does not queue, so the arity of the locking is equal
to the arity of the number of slave devices sitting
under the toplevel bond device.