netdev - Re: 82571EB: Detected Hardware Unit Hang

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Message-ID: <509C5ACD.4040706@oracle.com>
Date:	Fri, 09 Nov 2012 09:22:21 +0800
From:	Joe Jin <joe.jin@...cle.com>
To:	"Dave, Tushar N" <tushar.n.dave@...el.com>
CC:	"e1000-devel@...ts.sf.net" <e1000-devel@...ts.sf.net>,
	"netdev@...r.kernel.org" <netdev@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Mary Mcgrath <mary.mcgrath@...cle.com>
Subject: Re: 82571EB: Detected Hardware Unit Hang

On 11/09/12 04:35, Dave, Tushar N wrote:
> Are you sure this is not similar issue as before that you reported.
> i.e. 

Tushar,

Thanks for your quick response, I'll check with customer if they can modify the Max
payload size from BIOS, this time issue hit on HP's server.

Thanks again,
Joe

> On Mon, 2012-07-09 at 16:51 +0800, Joe Jin wrote:
>> > I'm seeing a Unit Hang even with the latest e1000e driver 2.0.0 when 
>> > doing scp test. this issue is easy do reproduced on SUN FIRE X2270 M2, 
>> > just copy a big file (>500M) from another server will hit it at once.
> All devices in path from root complex to 82571, should have *same* max payload size otherwise it can cause hang. 
> Can you double check this?
> 


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Oracle <http://www.oracle.com>
Joe Jin | Software Development Senior Manager | +8610.6106.5624
ORACLE | Linux and Virtualization
No. 24 Zhongguancun Software Park, Haidian District | 100193 Beijing 
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