From mboxrd@z Thu Jan 1 00:00:00 1970 From: Michael Breuer Subject: Re: [PATCH] af_packet: Don't use skb after dev_queue_xmit() Date: Thu, 07 Jan 2010 13:43:08 -0500 Message-ID: <4B462B3C.90506@majjas.com> References: <4B455C62.6030504@majjas.com> <20100106205343.5460d658@nehalam> <4B4571D5.30002@majjas.com> <4B457711.1040008@majjas.com> <4B458B36.6050509@majjas.com> <20100107074756.GB6258@ff.dom.local> <4B459368.2000503@majjas.com> <4B45F841.8030407@majjas.com> <20100107180114.GB3088@del.dom.local> <4B4625BD.3070202@majjas.com> <20100107183545.GA3208@del.dom.local> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7BIT Cc: Stephen Hemminger , David Miller , akpm@linux-foundation.org, flyboy@gmail.com, linux-kernel@vger.kernel.org, netdev@vger.kernel.org To: Jarek Poplawski Return-path: In-reply-to: <20100107183545.GA3208@del.dom.local> Sender: linux-kernel-owner@vger.kernel.org List-Id: netdev.vger.kernel.org On 1/7/2010 1:35 PM, Jarek Poplawski wrote: > On Thu, Jan 07, 2010 at 01:19:41PM -0500, Michael Breuer wrote: > >> On 1/7/2010 1:01 PM, Jarek Poplawski wrote: >> >>> On Thu, Jan 07, 2010 at 10:05:37AM -0500, Michael Breuer wrote: >>> >>>> Bad news - crashed about an hour after I wrote this email - under >>>> load - same crash as before. Network watchdog... lots of attempts to >>>> reset the adapter... then hw watchdog rebooted the system. >>>> >>> It's a pity. Anyway, I'd be still interested in CONFIG_PACKET_MMAP off >>> if you find time. >>> >>> Jarek P. >>> >> Ok - any particular patch set to try with? I'm going to start with a >> clean tree using the latest 2.6.32 from git (tried 2.6.33-rc3, but >> can't get a usable console... will look at that later.) >> > My "Berck E. Nash" and Stephen's "pskb_may_pull" sky2 patches. (BTW, > could you remind if it worked any better with 2.6.31 or earlier?) > > Jarek P. > I'm not sure my crash-and-burn runs yesterday included the pskb_may_pull patch :( Going to rerun with these patches and with and without MMAP. Will also retry both with jumbo frames if possible.