From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751881Ab1JVGh6 (ORCPT ); Sat, 22 Oct 2011 02:37:58 -0400 Received: from mail-ww0-f44.google.com ([74.125.82.44]:51036 "EHLO mail-ww0-f44.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751465Ab1JVGh5 (ORCPT ); Sat, 22 Oct 2011 02:37:57 -0400 Message-ID: <1319265470.6180.13.camel@edumazet-laptop> Subject: Re: Kernel panic from tg3 net driver From: Eric Dumazet To: Ari Savolainen Cc: RongQing Li , David Miller , richardcochran@gmail.com, netdev@vger.kernel.org, linux-kernel@vger.kernel.org Date: Sat, 22 Oct 2011 08:37:50 +0200 In-Reply-To: References: <20111020.155659.486754557434415381.davem@davemloft.net> <1319141125.2854.14.camel@edumazet-laptop> <20111020.161147.33259825921677777.davem@davemloft.net> <1319141867.2854.19.camel@edumazet-laptop> Content-Type: text/plain; charset="UTF-8" X-Mailer: Evolution 3.2.0- Content-Transfer-Encoding: 8bit Mime-Version: 1.0 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Le samedi 22 octobre 2011 à 09:12 +0300, Ari Savolainen a écrit : > 2011/10/21 RongQing Li : > > Hi Ari: > > > > Are you sure the patch is applied correctly and the log is same? > > If the log is not same, could you paste it again. > > > > Thanks > > Yes, I'm sure. The panic and the rcu splat are unrelated. The panic > occurs when skb_tx_timestamp is being called after skb having been > freed by tigon3_dma_hwbug_workaround. OK that makes sense, thanks ! Do you plan to submit a patch, now you found the bug ?