From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from 74-93-104-97-Washington.hfc.comcastbusiness.net ([74.93.104.97]:54833 "EHLO sunset.davemloft.net" rhost-flags-OK-FAIL-OK-OK) by vger.kernel.org with ESMTP id S1750934AbYGZHdl (ORCPT ); Sat, 26 Jul 2008 03:33:41 -0400 Date: Sat, 26 Jul 2008 00:33:41 -0700 (PDT) Message-Id: <20080726.003341.211819981.davem@davemloft.net> (sfid-20080726_093356_627865_68AC8E66) To: Larry.Finger@lwfinger.net Cc: jussi.kivilinna@mbnet.fi, kaber@trash.net, linux-kernel@vger.kernel.org, free_beer_for_all@yahoo.com, linux-wireless@vger.kernel.org Subject: Re: Regression in 2.6.26-gitX: failure of wireless due to commit 175f9c1bba9b825d22b142 From: David Miller In-Reply-To: <488AB2F4.7060806@lwfinger.net> References: <488AB2F4.7060806@lwfinger.net> Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Sender: linux-wireless-owner@vger.kernel.org List-ID: From: Larry Finger Date: Sat, 26 Jul 2008 00:15:32 -0500 > Wireless communication has failed for recent 2.6.26-gitX kernels - a definite > regression. The logs show sequences such as: ... > net_sched: Add size table for qdiscs > Yes we know, it exposes a larger problem that's been present in the wireless stack for a long time. It assumes that the SKB control block can survive across the SKB going through the qdisc, but that has never been true. We're thinking about how to solve this but have no easy answers yet.