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Date:	Sun, 24 May 2009 23:15:57 +0200
From:	Francois Romieu <>
To:	David Dillow <>
Cc:	Michael Riepe <>,
	Michael Buesch <>,
	Rui Santos <>,
	Michael B√ľker <>,,
Subject: Re: [PATCH 2.6.30-rc4] r8169: avoid losing MSI interrupts

David Dillow <> :
> This fixes the lockups I've seen. Both MSI and level-triggered interrupt
> configurations survive over an hour of testing when it would lockup in
> under 90 seconds before. I am certain of the analysis of the root cause,
> but there may be better ways to fix it. There may also be a theoretical
> race window between the ending of a NAPI poll cycle and a link change
> interrupt coming in, but I'm not sure it would matter. 

It makes sense.

If I understand correctly, one should expect to find some pending Tx
event in the ISR of a failed card when reading the registers with

Has someone noticed it ?

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