Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756404AbcKWHxo (ORCPT ); Wed, 23 Nov 2016 02:53:44 -0500 Received: from canardo.mork.no ([148.122.252.1]:40911 "EHLO canardo.mork.no" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756039AbcKWHxn (ORCPT ); Wed, 23 Nov 2016 02:53:43 -0500 User-Agent: K-9 Mail for Android In-Reply-To: <20161123005457.GB17115@djo.tudelft.nl> References: <20161115132930.GA20918@djo.tudelft.nl> <1479299670.2000.13.camel@suse.com> <20161116150757.GA15605@djo.tudelft.nl> <20161117015732.GA17637@djo.tudelft.nl> <20161117091434.GA6107@djo.tudelft.nl> <20161117161134.GA14413@djo.tudelft.nl> <1479734372.2332.1.camel@suse.com> <20161122153852.GA32591@djo.tudelft.nl> <87oa17o09t.fsf@miraculix.mork.no> <20161123005457.GB17115@djo.tudelft.nl> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain; charset=UTF-8 Subject: Re: crash by cdc_acm driver in kernels 4.8-rc1/5 From: =?ISO-8859-1?Q?Bj=F8rn_Mork?= Date: Wed, 23 Nov 2016 08:37:17 +0100 To: wim@djo.tudelft.nl CC: Oliver Neukum , poma , linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org Message-ID: <75DD0AB6-57EB-46F4-B608-4E73EACA4562@mork.no> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 592 Lines: 21 On November 23, 2016 1:54:57 AM CET, Wim Osterholt wrote: >On Tue, Nov 22, 2016 at 07:08:30PM +0100, Bjørn Mork wrote: >> > On kernel 4.8.8 this crashes hard and produces over a serial link: >> >> Huh? That device shouldn't ever enter that code path AFAICS. >> Unless.... you wouldn't happen to add a dynamic entry for this >device, > >No idea of what you mean here. > >> would you? What's the output of >> >> cat /sys/bus/usb/drivers/cdc_acm/new_id > >Just empty. Shit. Back to not understanding how you could possibly enter the debugging code at all. Bjørn