Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755767AbYCLWgU (ORCPT ); Wed, 12 Mar 2008 18:36:20 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751907AbYCLWgH (ORCPT ); Wed, 12 Mar 2008 18:36:07 -0400 Received: from twin.jikos.cz ([213.151.79.26]:36757 "EHLO twin.jikos.cz" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751624AbYCLWgG (ORCPT ); Wed, 12 Mar 2008 18:36:06 -0400 Date: Wed, 12 Mar 2008 23:35:58 +0100 (CET) From: Jiri Kosina X-X-Sender: jikos@twin.jikos.cz To: Tino Keitel cc: linux-kernel@vger.kernel.org, Alan Stern , linux-usb@vger.kernel.org Subject: Re: broken access to a USB HID device after suspend In-Reply-To: <20080312223325.GA2290@dose.home.local> Message-ID: References: <20080312193405.GA23209@dose.home.local> <20080312223325.GA2290@dose.home.local> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1455 Lines: 41 On Wed, 12 Mar 2008, Tino Keitel wrote: > > > I use a tool called hidmon to control the parameters of my LCD in shell > > > scripts. I just had the case where this tool didn't work after suspend > > > to RAM. I just got this error message: > > > > > > hid_force_open failed with return code 13 > > > > > > The kernel log contains lines like this: > > > > > > usb 1-1.3: usbfs: USBDEVFS_CONTROL failed cmd hidmon rqt 129 rq 6 len 9 ret -110 > > > > > > Unplugging and replugging the USB cable of the LCD didn't work. > > > However, after a further suspend/resume cycle it works. > > > > > > This is Linux 2.6.25-rc5. The behaviour is not repoducible, though. > > > However, I just mention it for the case that this might ring a bell > > > somewhere. > > > > This in fact looks like a problem with usbdevfs and/or libusb library, not > > the in-kernel HID drvier. > > > > Did this work before? In 2.6.24? 2.6.23? Alan (added to CC, as well as USB > > It worked in 2.6.24 and several 2.6.25-rc kernels, including the > currently running 2.6.25-rc5. Please don't drop people and mailinglists from CC. It makes it hard to find your posts, if you do so. I have restored it. -- Jiri Kosina SUSE Labs -- 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/