linux-kernel - Re: 3.9.0 dmesg reports that my NIC is hanging

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Date:	Tue, 7 May 2013 14:07:29 -0700 (PDT)
From:	John <da_audiophile@...oo.com>
To:	Bjorn Helgaas <bhelgaas@...gle.com>
Cc:	lkml <linux-kernel@...r.kernel.org>,
	Jeff Kirsher <jeffrey.t.kirsher@...el.com>,
	"e1000-devel@...ts.sourceforge.net" 
	<e1000-devel@...ts.sourceforge.net>
Subject: Re: 3.9.0 dmesg reports that my NIC is hanging





----- Original Message -----
> From: Bjorn Helgaas <bhelgaas@...gle.com>
> To: John <da_audiophile@...oo.com>
> Cc: lkml <linux-kernel@...r.kernel.org>; Jeff Kirsher <jeffrey.t.kirsher@...el.com>; "e1000-devel@...ts.sourceforge.net" <e1000-devel@...ts.sourceforge.net>
> Sent: Monday, May 6, 2013 1:29 PM
> Subject: Re: 3.9.0 dmesg reports that my NIC is hanging
> 
> [+cc Jeff, e1000-devel (from MAINTAINERS)]
> 
> On Sat, May 4, 2013 at 1:56 PM, John <da_audiophile@...oo.com> wrote:
>>  After upgrading to the official Arch Linux 3.9-2 kernel package, dmesg 
> reports that my NIC is hanging:
>> 
>>  [    5.955720] e1000e 0000:00:19.0 eno1: changing MTU from 1500 to 4000
>>  [    8.464507] e1000e 0000:00:19.0 eno1: Detected Hardware Unit Hang:
>>    TDH                  <0>
>>    TDT                  <2>
>>    next_to_use          <2>
>>    next_to_clean        <0>
>>  buffer_info[next_to_clean]:
>>    time_stamp           <fffea787>
>>    next_to_watch        <0>
>>    jiffies              <fffeaa30>
>>    next_to_watch.status <0>
>>  MAC Status             <40080080>
>>  PHY Status             <7949>
>>  PHY 1000BASE-T Status  <0>
>>  PHY Extended Status    <3000>
>>  PCI Status             <10>
>> 
>>  Not too sure what else to post.  I am not subscribed to lkml so please cc 
> my email in your reply.
>> 
>> 
>>  Link to complete dmesg: http://pastebin.com/zRBajGrY
>>  Seems similar to: bugzilla.redhat.com/show_bug.cgi?id=785806
> 
> It sounds like this is a regression, so it might be useful to know
> what the newest working kernel was, and maybe a dmesg log from it as
> well, though I don't see any obvious clues in the 3.9.0-2-ARCH dmesg
> you collected.
> 
> Bjorn


Thank you for the reply, Bjorn.  3.8.11-1-ARCH works just fine for me.  Here is the dmesg from 3.8.11-1-ARCH per your request: http://pastebin.com/cUHwrQfq
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