Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754197AbaFTO56 (ORCPT ); Fri, 20 Jun 2014 10:57:58 -0400 Received: from iolanthe.rowland.org ([192.131.102.54]:46360 "HELO iolanthe.rowland.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with SMTP id S1752850AbaFTO54 (ORCPT ); Fri, 20 Jun 2014 10:57:56 -0400 Date: Fri, 20 Jun 2014 10:57:55 -0400 (EDT) From: Alan Stern X-X-Sender: stern@iolanthe.rowland.org To: =?UTF-8?Q?J=C3=B6rg_Otte?= cc: Greg Kroah-Hartman , Linux Kernel Mailing List , USB list , Linus Torvalds Subject: Re: [usb resume regression] in 3.16-rc1 In-Reply-To: Message-ID: MIME-Version: 1.0 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 Fri, 20 Jun 2014, Jörg Otte wrote: > 2014-06-19 19:35 GMT+02:00 Alan Stern : > > On Thu, 19 Jun 2014, Jörg Otte wrote: > > > >> I don't know how to do this. > > > > To enable dynamic debugging (as root): > > > > echo 'module usbcore =p' >/sys/kernel/debug/dynamic_debug/control > > echo 'module ehci_hcd =p' >/sys/kernel/debug/dynamic_debug/control > > > > Do this before you carry out the suspend, and post the resulting dmesg > > log. > > > > Alan Stern > > > here it is. Now I see the reason for the regression. There already is a patch to fix it: http://marc.info/?l=linux-usb&m=140304702623966&w=2 The fix will probably be included in 3.16-rc2 or -rc3. Alan Stern -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/