Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756326AbZJJPJ7 (ORCPT ); Sat, 10 Oct 2009 11:09:59 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754149AbZJJPJ6 (ORCPT ); Sat, 10 Oct 2009 11:09:58 -0400 Received: from kroah.org ([198.145.64.141]:35642 "EHLO coco.kroah.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753552AbZJJPJ5 (ORCPT ); Sat, 10 Oct 2009 11:09:57 -0400 Date: Sat, 10 Oct 2009 08:05:23 -0700 From: Greg KH To: Oliver Neukum Cc: Benjamin Herrenschmidt , Josua Dietze , Alan Stern , "linux-kernel@vger.kernel.org" , "linux-usb@vger.kernel.org" , Hugh Blemings Subject: Re: USB serial regression 2.6.31.1 -> 2.6.31.2 Message-ID: <20091010150523.GA28957@kroah.com> References: <1255134315.2139.8.camel@pasglop> <4AD03A03.5050702@draisberghof.de> <1255160461.3387.4.camel@pasglop> <200910101155.48394.oliver@neukum.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <200910101155.48394.oliver@neukum.org> User-Agent: Mutt/1.5.17 (2007-11-01) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 962 Lines: 23 On Sat, Oct 10, 2009 at 11:55:47AM +0200, Oliver Neukum wrote: > Am Samstag, 10. Oktober 2009 09:41:01 schrieb Benjamin Herrenschmidt: > > suspend is a good candidate yeah, autosuspend might be causing something > > like that, I'll see what I can find. I didn't spot an obvious change to > > the USB suspend policy between those two kernels, but it could be > > trigged by one of the numerous changes that went into usb-serial. > > Then you can simply test this hunch by switching it off. If that helps > please recompile with CONFIG_USB_DEBUG enabled? > > But I don't understand why the stable series is affected. Autosuspend > patches didn't go into it, did they Greg? Not that I can see, no. thanks, greg k-h -- 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/