From mboxrd@z Thu Jan 1 00:00:00 1970 From: Stephen Hemminger Subject: Re: sky2 hangs, hw csum errors with 2.6.18 Date: Tue, 3 Oct 2006 11:35:38 -0700 Message-ID: <20061003113538.4c3fe57d@freekitty> References: <20060922112442.GB4161@dezo.moloch.sk> <20060922095642.5acf4ac9@dxpl.pdx.osdl.net> <20060922182924.GE4161@dezo.moloch.sk> <20060922113152.02874cbc@localhost.localdomain> <20060922183812.GF4161@dezo.moloch.sk> <20060922115008.5060c599@localhost.localdomain> <20061003182119.GM14180@dezo.moloch.sk> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Cc: netdev@vger.kernel.org Return-path: Received: from smtp.osdl.org ([65.172.181.4]:59806 "EHLO smtp.osdl.org") by vger.kernel.org with ESMTP id S1030466AbWJCSgA (ORCPT ); Tue, 3 Oct 2006 14:36:00 -0400 To: Martin Lucina In-Reply-To: <20061003182119.GM14180@dezo.moloch.sk> Sender: netdev-owner@vger.kernel.org List-Id: netdev.vger.kernel.org On Tue, 3 Oct 2006 20:21:20 +0200 Martin Lucina wrote: > Hi Stephen, > > I'm still getting tx timeouts even after applying the patch you sent me > and forcing tx flow control off: What speed and duplex are you using? > > Also, I'm seeing a bunch of messages like this (in addition to the hw > csum failures I mentioned in my original email): > > Oct 2 16:42:17 dezo kernel: SKB BUG: Invalid truesize (3944) len=12745, sizeof(sk_buff)=2 > 32 > Oct 2 16:42:29 dezo kernel: SKB BUG: Invalid truesize (3944) len=16384, sizeof(sk_buff)=2 > 32 > Oct 2 16:42:29 dezo last message repeated 11 times > Oct 3 17:20:54 dezo kernel: SKB BUG: Invalid truesize (3944) len=16384, sizeof(sk_buff)=2 > 32 > Oct 3 17:21:56 dezo last message repeated 4 times > Oct 3 17:21:56 dezo last message repeated 3 times > Oct 3 17:23:46 dezo last message repeated 2 times > Oct 3 20:03:28 dezo kernel: SKB BUG: Invalid truesize (3944) len=16384, sizeof(sk_buff)=2 > 32 > Oct 3 20:03:28 dezo last message repeated 16 times > > After which some open TCP sockets between dezo and another box (also > with sky2) start running really slowly. What MTU are you using. > > Not sure how to proceed with this - is there a newer version of sky2 > than that in 2.6.18 which I can test? > > -mato -- Stephen Hemminger