From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.2 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,UPPERCASE_50_75,USER_AGENT_NEOMUTT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id C960BC28CC1 for ; Sat, 1 Jun 2019 11:02:53 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id AD45C2722E for ; Sat, 1 Jun 2019 11:02:53 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726634AbfFALCu (ORCPT ); Sat, 1 Jun 2019 07:02:50 -0400 Received: from Galois.linutronix.de ([146.0.238.70]:33274 "EHLO Galois.linutronix.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726134AbfFALCu (ORCPT ); Sat, 1 Jun 2019 07:02:50 -0400 Received: from bigeasy by Galois.linutronix.de with local (Exim 4.80) (envelope-from ) id 1hX1mh-0001op-Aa; Sat, 01 Jun 2019 13:02:47 +0200 Date: Sat, 1 Jun 2019 13:02:47 +0200 From: Sebastian Andrzej Siewior To: Soeren Moch Cc: Greg Kroah-Hartman , Alan Stern , linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org, stable@vger.kernel.org Subject: Re: [PATCH] Revert "usb: core: remove local_irq_save() around ->complete() handler" Message-ID: <20190601110247.v4lzwvqhuwrjrotb@linutronix.de> References: <20190531215340.24539-1-smoch@web.de> <20190531220535.GA16603@kroah.com> <6c03445c-3607-9f33-afee-94613f8d6978@web.de> <20190601105008.zfqrtu6krw4mhisb@linutronix.de> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <20190601105008.zfqrtu6krw4mhisb@linutronix.de> User-Agent: NeoMutt/20180716 Sender: linux-usb-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org On 2019-06-01 12:50:08 [+0200], To Soeren Moch wrote: > I will look into this. nothing obvious. If there is really blocken lock, could you please enable lockdep |CONFIG_LOCK_DEBUGGING_SUPPORT=y |CONFIG_PROVE_LOCKING=y |# CONFIG_LOCK_STAT is not set |CONFIG_DEBUG_RT_MUTEXES=y |CONFIG_DEBUG_SPINLOCK=y |CONFIG_DEBUG_MUTEXES=y |CONFIG_DEBUG_WW_MUTEX_SLOWPATH=y |CONFIG_DEBUG_RWSEMS=y |CONFIG_DEBUG_LOCK_ALLOC=y |CONFIG_LOCKDEP=y |# CONFIG_DEBUG_LOCKDEP is not set |CONFIG_DEBUG_ATOMIC_SLEEP=y and send me the splat that lockdep will report? > > Thanks, > > Soeren Sebastian