From mboxrd@z Thu Jan 1 00:00:00 1970 From: Eric Dumazet Subject: Re: Kernel panic from tg3 net driver Date: Sat, 22 Oct 2011 08:37:50 +0200 Message-ID: <1319265470.6180.13.camel@edumazet-laptop> 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> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: QUOTED-PRINTABLE Cc: RongQing Li , David Miller , richardcochran@gmail.com, netdev@vger.kernel.org, linux-kernel@vger.kernel.org To: Ari Savolainen Return-path: In-Reply-To: Sender: linux-kernel-owner@vger.kernel.org List-Id: netdev.vger.kernel.org Le samedi 22 octobre 2011 =C3=A0 09:12 +0300, Ari Savolainen a =C3=A9cr= it : > 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 >=20 > 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 ?