netdev - Re: [Bugme-new] [Bug 16626] New: Machine hangs with EIP at skb_copy_and_csum

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Date:	Tue, 24 Aug 2010 16:27:59 +0300
From:	Plamen Petrov <pvp-lsts@...uni-ruse.bg>
To:	Eric Dumazet <eric.dumazet@...il.com>
CC:	Jarek Poplawski <jarkao2@...il.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	netdev@...r.kernel.org, bugzilla-daemon@...zilla.kernel.org,
	bugme-daemon@...zilla.kernel.org
Subject: Re: [Bugme-new] [Bug 16626] New: Machine hangs with EIP at skb_copy_and_csum_dev

На 24.8.2010 г. 11:43, Plamen Petrov написа:
> На 24.8.2010 г. 08:01, Eric Dumazet написа:
>> Le mardi 24 août 2010 à 07:51 +0300, Plamen Petrov a écrit :
>>> So far - not so good. :(
...
>>
> Here is what I've got while running the kernel with the patch
> I attached earlier plus the above one, after turning GRO on for
> my tg3 nic:
>
> [picture 10]
> http://picpaste.com/37e37f9ff9504e3a003f49092f9b1be6.jpg
>
> [picture 11]
> http://picpaste.com/5663ca7c5041c0ed7a1f3e6a9aa17a9e.jpg
>
> [picture 12]
> http://picpaste.com/17f2ecaa409a1ebbf835a2e0519d3099.jpg
>
> Now moving on to the second proposed patch from Jarek.
>
> Thanks,
> Plamen

The current status: if I enable GRO on the tg3 - the kernel oopses.
It just takes a different amount of time to trigger: somewhere from
30 seconds to 30 minutes.

The oopses looks the same, and here are the latest:

[picture 13]
http://picpaste.com/c8dbda8f5c15d9ce3e050dd7f245f5d0.jpg

[picture 14]
http://picpaste.com/646cca586b704c5b72d3cf9fa54c7344.jpg

I was wondering which debug options could help us track this down?

Thanks,
Plamen
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