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Re: [Xen-devel] x86_64 eth0 e1000_clean_tx_irq tx hang

To: Keir Fraser <Keir.Fraser@xxxxxxxxxxxx>
Subject: Re: [Xen-devel] x86_64 eth0 e1000_clean_tx_irq tx hang
From: Muli Ben-Yehuda <mulix@xxxxxxxxx>
Date: Fri, 10 Feb 2006 13:33:10 +0200
Cc: Chris Wright <chrisw@xxxxxxxxxxxx>, Ian Pratt <m+Ian.Pratt@xxxxxxxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxx, adam@xxxxxxxxxxx
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On Fri, Feb 10, 2006 at 11:20:50AM +0000, Keir Fraser wrote:

> That is harmless. In fact our SWIOTLB probably is enabled (look at the 
> lines just above the ones you posted). It's because we don't properly 
> (yet) respect the new plug-n-play dma_ops structures in x86_64.
> I've checked in a temporary fix to remove the above misleading
> lines.

There was also a harmless bug in the initial dma_ops patch that caused
the wrong printk in some cases. Jon Mason submitted a fix that is in
mainline now. Not sure if this is the case here, but FYI.

Muli Ben-Yehuda
http://www.mulix.org | http://mulix.livejournal.com/

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