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Date:	Sat, 27 Mar 2010 23:00:39 +0100
From:	Jrn Engel <>
To:	Robert Hancock <>
Cc:	David Miller <>,,,,
Subject: Re: [Regression] r8169: enable 64-bit DMA by default for PCI
	Express devices (v2)

On Sat, 27 March 2010 11:46:12 -0600, Robert Hancock wrote:
> Hm, do you recall/have the details of what happened with the other card?

It lost interrupts.  I had a testcase that should have received three
interrupts and only two were received by the driver.  100%
reproducable.  Card used MSI-Interrupts (no MSI-X) and worked
reasonably well otherwise.  But it is a prototype, so the card is just
as likely to be the cause as the motherboard.

> It's possible this is some general problem with that machine/motherboard  
> and not actually an issue with what the driver is doing. What kind of  
> board is that?

Possible, yes.  But I wouldn't know how to prove it.
Asrock G31M-S with Intel E5200.

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