Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933271AbaFSPCl (ORCPT ); Thu, 19 Jun 2014 11:02:41 -0400 Received: from iolanthe.rowland.org ([192.131.102.54]:59912 "HELO iolanthe.rowland.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with SMTP id S932867AbaFSPCk (ORCPT ); Thu, 19 Jun 2014 11:02:40 -0400 Date: Thu, 19 Jun 2014 11:02:39 -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 Thu, 19 Jun 2014, Jörg Otte wrote: > on resume with 3.16-rc1 I get the following error messages in dmesg > which are alltogether not present in 3.15: > > [ 43.518116] dpm_run_callback(): 0xffffffffa53c4120 returns -13 > [ 43.518119] PM: Device 1-1 failed to resume async: error -13 > [ 43.522380] hub 1-1:1.0: hub_port_status failed (err = -71) > [ 43.528538] sd 0:0:0:0: [sda] Starting disk > [ 43.530886] hub 1-1:1.0: hub_port_status failed (err = -71) > [ 43.535140] usb 1-1-port2: cannot disable (err = -71) > [ 43.535142] dpm_run_callback(): 0xffffffffa53c4120 returns -71 > [ 43.535145] PM: Device 1-1.2 failed to resume async: error -71 > [ 43.543673] usb 1-1-port4: cannot disable (err = -71) > [ 43.543674] dpm_run_callback(): 0xffffffffa53c4120 returns -71 > [ 43.543679] PM: Device 1-1.4 failed to resume async: error -71 > > usb devices connected to the hub (in my case mouse and keyboard) are > all death after resume and cannot be activated again. -13 is -EACCES. It's not clear what could have caused that error, since EACCES isn't used in the USB core or in ehci-hcd. Can you try doing the same thing after enabling dynamic debugging in usbcore and ehci-hcd? 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/