From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752769Ab0IMO7S (ORCPT ); Mon, 13 Sep 2010 10:59:18 -0400 Received: from mail-fx0-f46.google.com ([209.85.161.46]:62545 "EHLO mail-fx0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751307Ab0IMO7R (ORCPT ); Mon, 13 Sep 2010 10:59:17 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=sender:message-id:date:from:user-agent:mime-version:to:cc:subject :references:in-reply-to:x-enigmail-version:content-type :content-transfer-encoding; b=V+6VG+7ANnq+SjeoliSh97gTWR9YHU0yVgNSawzTtlHKGlDLEu+vbkeCu/ln5mOQC8 UrVv6VZ2Pk3UfrSoOFbx9rveotaNyq/DZuHh+HD+f2eiFUOArFkIXH5m9+gRXGTbOQjS TfsPXjmG5k/IT0xv6Zo2k25j1/UgD9i4MmLL8= Message-ID: <4C8E3C40.50808@suse.cz> Date: Mon, 13 Sep 2010 16:59:12 +0200 From: Jiri Slaby User-Agent: Mozilla/5.0 (X11; U; Linux x86_64; cs-CZ; rv:1.9.2.8) Gecko/20100802 SUSE/3.1.2 Thunderbird/3.1.2 MIME-Version: 1.0 To: Alan Stern CC: phil@ipom.com, stable@kernel.org, Greg KH , USB list , Linux kernel mailing list Subject: Re: [34-stable regression] USB delay init quirk causes device events loss References: In-Reply-To: X-Enigmail-Version: 1.1.2 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 09/13/2010 04:48 PM, Alan Stern wrote: > On Mon, 13 Sep 2010, Jiri Slaby wrote: >> In other words, what I could do is to add some printks into >> hub_port_connect_change if that's called at all. If you need some >> thorough debugging printks, please send me a patch to test instead. > > Hmm. I'd prefer to explain how it's all supposed to work and let you > figure out where best to look. Or try to debug it myself. Does this > happen with other sorts of USB devices as well, or just wacom? With some sort of devices (I cannot reproduce myself). It's unrelated to wacom -- people with wacom were unable to even start X with this kernel. If you look at the bugreport, there are several examples: ID 046d:c517 Logitech, Inc. LX710 Cordless Desktop Laser defunct Microsoft USB keyboard defunct x Logitech mice OK 046a:0021 Cherry GmbH keyboard defunct logitech wireless laptop mouse defunct A$Tech wireless laptop mouse defunct TypeMatrix USB 2030 (ID : 1e54:2030) defunct thanks, -- js suse labs