From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932135AbVKNVPl (ORCPT ); Mon, 14 Nov 2005 16:15:41 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S932137AbVKNVPk (ORCPT ); Mon, 14 Nov 2005 16:15:40 -0500 Received: from zproxy.gmail.com ([64.233.162.198]:29062 "EHLO zproxy.gmail.com") by vger.kernel.org with ESMTP id S932134AbVKNVPj convert rfc822-to-8bit (ORCPT ); Mon, 14 Nov 2005 16:15:39 -0500 DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=beta; d=gmail.com; h=received:message-id:date:from:sender:to:subject:mime-version:content-type:content-transfer-encoding:content-disposition; b=q3MzKRTQkDg9lb+3eMMQdWRxXNay55LzbL0uykAQC+DsA85kXsfhhRjFvlcGhhY+P2zEtaCAASOKGq+Y6qNc4BpeYzLzaINLF1kSqWsqI0OGmhptKhMHjGg89D9NOxyiUF0ZPrgKONbuOJKLHUHf9qHnOgfXsR0jfwbea3tvbLY= Message-ID: <9929d2390511141315t2fb15b2aucbbebcbe4cec7ef1@mail.gmail.com> Date: Mon, 14 Nov 2005 13:15:38 -0800 From: Jeff Kirsher To: linux-kernel@vger.kernel.org, netdev@vger.kernel.org, mpm@selenic.com Subject: [BUG] netpoll is unable to handle skb's using packet split MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7BIT Content-Disposition: inline Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org When using packet split, netpoll times out when doing a netdump. Server logs: --netdump[14973]: Got too many timeouts in handshaking, ignoring client 172.0.2.250 --netdump[14973]: Got too many timeouts waiting for SHOW_STATUS for client 172.0.2.250, rebooting it. When packet split is not used, netpoll dumps correctly. This was reproduced using the initial setup: HP DL380G3 (Server) RHEL4 U1 7170 NIC e1000 driver HP DL380G4 (Client) RHEL3 U5 7170 NIC e1000 driver We also tested using the latest RHEL4 U2 on the client, with the same results. Netpoll does not appear to be able to handle skb's using packet split, a possible resolution would be to test for packet split and to use skb_linearize() in netpoll to resolve the issue. -- Cheers, Jeff