Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755454AbZJJILK (ORCPT ); Sat, 10 Oct 2009 04:11:10 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753505AbZJJILJ (ORCPT ); Sat, 10 Oct 2009 04:11:09 -0400 Received: from 007.netroom.de ([194.0.247.207]:21841 "EHLO 007.netroom.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752133AbZJJILI (ORCPT ); Sat, 10 Oct 2009 04:11:08 -0400 X-Greylist: delayed 2064 seconds by postgrey-1.27 at vger.kernel.org; Sat, 10 Oct 2009 04:11:08 EDT Message-ID: <4AD03A03.5050702@draisberghof.de> Date: Sat, 10 Oct 2009 09:38:43 +0200 From: Josua Dietze User-Agent: Thunderbird 2.0.0.23 (Windows/20090812) MIME-Version: 1.0 To: Benjamin Herrenschmidt CC: Greg KH , 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 References: <1255134315.2139.8.camel@pasglop> In-Reply-To: <1255134315.2139.8.camel@pasglop> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 824 Lines: 25 Benjamin Herrenschmidt schrieb: > The symptom is that the USB modem just disconnects/reconnects in a loop. > The log looks like what I pasted below when plugging the device (and > leaving it in, the disconnects don't correspond to the device being > removed). This is one of the mode switching devices. It is switched to modem mode by "usb_stor_huawei_e220_init". Something keeps resetting it to initial mode. It might be a powersave/suspend issue. Josua Dietze -- Man is the only creature on earth enabled to take a warm meal while flying! Loriot -- 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/