linux-kernel - RE: 82571EB: Detected Hardware Unit Hang

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Message-ID: <061C8A8601E8EE4CA8D8FD6990CEA891274F11FF@ORSMSX102.amr.corp.intel.com>
Date:	Fri, 13 Jul 2012 04:10:51 +0000
From:	"Dave, Tushar N" <tushar.n.dave@...el.com>
To:	Joe Jin <joe.jin@...cle.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>
Subject: RE: 82571EB: Detected Hardware Unit Hang

>-----Original Message-----
>From: Joe Jin [mailto:joe.jin@...cle.com]
>Sent: Thursday, July 12, 2012 4:46 PM
>To: Dave, Tushar N
>Cc: e1000-devel@...ts.sf.net; netdev@...r.kernel.org; linux-
>kernel@...r.kernel.org
>Subject: Re: 82571EB: Detected Hardware Unit Hang
>
Thanks for sending full dmesg log. I am still investigating. I think this issue can occur if two PCIe link partner *i.e pcie bridge and pcie device do not have same max payload size.
I need 2 more info. 
1) PBA number of the card.
2) full lspci -vvv output of entire system 'after you have changed max payload size to 128'.

Thanks.

-Tushar
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