From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753397AbaIBMPl (ORCPT ); Tue, 2 Sep 2014 08:15:41 -0400 Received: from mail-pd0-f172.google.com ([209.85.192.172]:52126 "EHLO mail-pd0-f172.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752272AbaIBMPk (ORCPT ); Tue, 2 Sep 2014 08:15:40 -0400 Message-ID: <5405B4E6.1040908@gmail.com> Date: Tue, 02 Sep 2014 20:15:34 +0800 From: Chunwei Chen User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.0 MIME-Version: 1.0 To: Hans de Goede , Gerd Hoffmann , linux-usb@vger.kernel.org, linux-scsi@vger.kernel.org, usb-storage@lists.one-eyed-alien.net, linux-kernel@vger.kernel.org Subject: Re: [uas/3.16.1] panic in uas_data_cmplt() References: <54054509.2070609@gmail.com> <540568A3.4010106@redhat.com> In-Reply-To: <540568A3.4010106@redhat.com> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 西元2014年09月02日 14:50, Hans de Goede wrote: > Hi, > > On 09/02/2014 06:18 AM, Chunwei Chen wrote: >> Dear all: >> >> The kernel version is 3.16.1-1-ARCH >> >> Today I keep getting this panic when booting up. >> http://i.imgur.com/0Rx93Kr.jpg >> >> It might be that the UAS device was in some strange state, >> because that after I unplugged and power-cycled the UAS, >> everything went normal again. >> >> Does anyone know what's the root cause of this issue? >> Or could anyone provide some instruction on how to debug this issue? > > There seem to be some issues in the error handling paths of the uas > driver. I plan to rewrite them completely for robustness and go > through them with a fine comb to fix any possible bugs while at it. > > I'll send out a mail when I've a new version ready for testing. > > Regards, > > Hans > Hi Hans, Thanks for looking into this. Kind regards, Chunwei