Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756012AbcKWAzA (ORCPT ); Tue, 22 Nov 2016 19:55:00 -0500 Received: from x127155.tudelft.net ([131.180.127.155]:36900 "EHLO djo.tudelft.nl" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1755039AbcKWAy7 (ORCPT ); Tue, 22 Nov 2016 19:54:59 -0500 Date: Wed, 23 Nov 2016 01:54:57 +0100 From: Wim Osterholt To: =?iso-8859-1?Q?Bj=F8rn?= Mork Cc: Oliver Neukum , poma , linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, Wim Osterholt Subject: Re: crash by cdc_acm driver in kernels 4.8-rc1/5 Message-ID: <20161123005457.GB17115@djo.tudelft.nl> Reply-To: wim@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> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <87oa17o09t.fsf@miraculix.mork.no> User-Agent: Mutt/1.5.23 (2014-03-12) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 405 Lines: 15 On Tue, Nov 22, 2016 at 07:08:30PM +0100, Bj?rn 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. Wim.