From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753427AbaIAKXl (ORCPT ); Mon, 1 Sep 2014 06:23:41 -0400 Received: from mga09.intel.com ([134.134.136.24]:44705 "EHLO mga09.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753133AbaIAKXj (ORCPT ); Mon, 1 Sep 2014 06:23:39 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.04,441,1406617200"; d="scan'208";a="566519505" Message-ID: <54044C5C.9010305@intel.com> Date: Mon, 01 Sep 2014 13:37:16 +0300 From: Mathias Nyman User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.5.0 MIME-Version: 1.0 To: Ricardo Ribalda Delgado CC: Greg Kroah-Hartman , Linux USB Mailing List , LKML Subject: Re: [PATCH] xhci-ring: Fix Null pointer dereference References: <1409068061-10855-1-git-send-email-ricardo.ribalda@gmail.com> <53FDEA48.9030301@intel.com> <53FDF8D9.60103@intel.com> <53FF0765.3050509@intel.com> <53FF48B1.5090901@intel.com> <54009A50.9010707@intel.com> In-Reply-To: X-Enigmail-Version: 1.6 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 09/01/2014 12:36 PM, Ricardo Ribalda Delgado wrote: > After some time of use (one hour or so) my system started to behave > "weird". I did check dmesg and I was receiving the following line > again and again: > > usb-storage: Error in queuecommand_lck: us->sfb= ffff8805bd61ccc0 > > I did disconnect the usb device and the whole computer crashed :S > Ok, thanks. Would you say things work better after the patch? I still think the patch solves part of the issue, i.e. how we handle halted endpoints in reset, but I don't know the reason why the endpoints stall in the first place -Mathias