linux-kernel - Re: 2.6.35 -> 2.6.36 panic when vlan and promisc with tg3

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Message-Id: <20101129.192648.189681876.davem@davemloft.net>
Date:	Mon, 29 Nov 2010 19:26:48 -0800 (PST)
From:	David Miller <davem@...emloft.net>
To:	jesse@...ira.com
Cc:	greearb@...delatech.com, lkml20101129@...ton.leun.net,
	linux-kernel@...r.kernel.org, netdev@...r.kernel.org
Subject: Re: 2.6.35 -> 2.6.36 panic when vlan and promisc with tg3

From: Jesse Gross <jesse@...ira.com>
Date: Mon, 29 Nov 2010 19:10:06 -0800

> On Mon, Nov 29, 2010 at 4:19 PM, Ben Greear <greearb@...delatech.com> wrote:
>> On 11/29/2010 11:17 AM, Michael Leun wrote:
>>>
>>> Hi,
>>>
>>> only kernel message I was able to capture on serial were:
>>>
>>> UG: unable to handle kernel paging request at 01cc921c
>>> IP: [<c034bfce>] vlan_hwaccel_do_receive+0x59/0xd0
>>> *pdpt = 0000000036a2a001 *pde = 0000000000000000
>>> Oops: 0002 [#1] SMP
>>> last sysfs
>>>
>>> Then machine dead.
>>>
>>> In 2.6.35.x this did not happen (but vlans broken - cannot see vlan
>>> tags with tcpdump),
>>
>> Try this patch:
>>
>> http://permalink.gmane.org/gmane.linux.network/176566
>>
>> It looks like this hasn't made it into stable yet?
> 
> It didn't make it into 2.6.36.1.
> 
> David, I know that you already acked this patch but it sounds like
> Greg would prefer to get it from you directly:
> https://lkml.org/lkml/2010/11/19/685

I haven't made any -stable submissions in a week or two, and that is
on purpose.  I want all of those things to cook for a while, and I intend
to send my huge queue to Greg over the next day or two.
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