netdev - Re: NIU driver: Sun x8 Express Quad Gigabit Ethernet Adapter

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Message-Id: <20081112.014923.68124784.davem@davemloft.net>
Date:	Wed, 12 Nov 2008 01:49:23 -0800 (PST)
From:	David Miller <davem@...emloft.net>
To:	jdb@...x.dk
Cc:	jesper@...gh.cc, netdev@...r.kernel.org
Subject: Re: NIU driver: Sun x8 Express Quad Gigabit Ethernet Adapter

From: Jesper Dangaard Brouer <jdb@...x.dk>
Date: Wed, 12 Nov 2008 10:36:33 +0100

> The thing I noticed is that it looks like the function niu_tx_work() is
> never called... (it contains a niudbg(TX_DONE, ...))

That means no interrupts are arriving at all for TX.

Oddly, you tried without MSI enabled (do I remember right ?) and that
still failed, so it doesn't seem like it could be a MSI specific
problem.

Get the dump from the patch I sent and I should be able to have some
idea why this problem might be happening.

Thanks.
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