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From: David Miller <davem@davemloft.net>
To: eric.dumazet@gmail.com
Cc: ari.m.savolainen@gmail.com, roy.qing.li@gmail.com,
	richardcochran@gmail.com, netdev@vger.kernel.org,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH] tg3: fix tigon3_dma_hwbug_workaround()
Date: Sat, 22 Oct 2011 03:30:20 -0400 (EDT)	[thread overview]
Message-ID: <20111022.033020.2073551679260143993.davem@davemloft.net> (raw)
In-Reply-To: <1319268338.6180.20.camel@edumazet-laptop>

From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Sat, 22 Oct 2011 09:25:38 +0200

> Ari got kernel panics using tg3 NIC, and bisected to 2669069aacc9 "tg3:
> enable transmit time stamping."
> 
> This is because tigon3_dma_hwbug_workaround() might alloc a new skb and
> free the original. We panic when skb_tx_timestamp() is called on freed
> skb.
> 
> Reported-by: Ari Savolainen <ari.m.savolainen@gmail.com>
> Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>

Applied, thanks Eric.

  reply	other threads:[~2011-10-22  7:30 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-10-15  7:50 Kernel panic from tg3 net driver Ari Savolainen
2011-10-20 19:30 ` Ari Savolainen
2011-10-20 19:56   ` David Miller
2011-10-20 20:05     ` Eric Dumazet
2011-10-20 20:11       ` David Miller
2011-10-20 20:17         ` Eric Dumazet
2011-10-20 20:37           ` Ari Savolainen
2011-10-21 10:48             ` RongQing Li
2011-10-22  6:12               ` Ari Savolainen
2011-10-22  6:37                 ` Eric Dumazet
2011-10-22  7:25                   ` [PATCH] tg3: fix tigon3_dma_hwbug_workaround() Eric Dumazet
2011-10-22  7:30                     ` David Miller [this message]
2011-10-22  7:54                     ` Ari Savolainen
2011-10-22 13:30                       ` Ari Savolainen

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