netdev - Re: [atl2] warn_slowpath in dev

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Date:	Tue, 27 Jan 2009 01:30:08 -0800 (PST)
From:	Sitsofe Wheeler <sitsofe@...oo.com>
To:	Jay Cliburn <jcliburn@...il.com>
Cc:	linux-kernel@...r.kernel.org, Chris Snook <csnook@...hat.com>,
	jie.yang@...eros.com, atl1-devel@...ts.sourceforge.net,
	netdev@...r.kernel.org
Subject: Re: [atl2] warn_slowpath in dev_watchdog



 > From: Jay Cliburn <jcliburn@...il.com>

> 
> On Sun, 25 Jan 2009 08:17:25 -0800 (PST)
> Sitsofe Wheeler wrote:
> 
> > OK the circumstances took a lllllong time to occur again but the result is 
> that
> > the patch does not prevent the warning. 
> 
> Can you trigger the warning by performing these steps while the interface is up?
> 
> unplug cable
> ifdown eth0
> ifup eth0
> replug cable      
> wait about 5 seconds...
> 
> If it doesn't happen the first time, try 3 or 4 more times.
> 
> Let me know what happens.

The slowpath warning never comes up with this method. I tried with the commands ifdown eth0; ifup eth0 (after removing network manager's control of the device) and ifconfig eth0 down; ifconfig eth0 up (with and without network manager) but none of the aforementioned resulted in an error.



      
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