Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755029AbYCNHNR (ORCPT ); Fri, 14 Mar 2008 03:13:17 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751078AbYCNHNF (ORCPT ); Fri, 14 Mar 2008 03:13:05 -0400 Received: from eazy.amigager.de ([213.239.192.238]:40070 "EHLO eazy.amigager.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751347AbYCNHNE (ORCPT ); Fri, 14 Mar 2008 03:13:04 -0400 Date: Fri, 14 Mar 2008 08:13:36 +0100 From: Tino Keitel To: Alan Stern Cc: Jiri Kosina , linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org Subject: Re: broken access to a USB HID device after suspend Message-ID: <20080314071336.GA14550@dose.home.local> Mail-Followup-To: Alan Stern , Jiri Kosina , linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org References: <20080313151403.GA5667@dose.home.local> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.17+20080114 (2008-01-14) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1182 Lines: 33 On Thu, Mar 13, 2008 at 14:59:48 -0400, Alan Stern wrote: [...] > > Well, it seems to be "fixed" by a suspend/resume cycle. Do you have > > a > > hint how I could try to fix it without suspend/resume, to test if > > it is > > really the LCD's fault? > > Testing has to come before fixing -- you can't fix the problem if you > don't know which component is at fault. For all we know, the > hardware > could be fine and the problem could lie in your application. I meant a method other than suspend/resume to fix the broken behaviour, so that we get an indication where the problem exactly is. > > All I can think of for testing is to use usbmon to record the data > transfers when those -110 errors come up. Well, I still don't have USB_DEBUG or usbmon enabled, but I just got that error again. I pulled the power plug from the LCD and replugged it, without success. Then I did a suspend/resume cycle, and it worked. Regards, Tino -- 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/