Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753810Ab0DVDpF (ORCPT ); Wed, 21 Apr 2010 23:45:05 -0400 Received: from kroah.org ([198.145.64.141]:34214 "EHLO coco.kroah.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754188Ab0DVDpE (ORCPT ); Wed, 21 Apr 2010 23:45:04 -0400 Date: Wed, 21 Apr 2010 20:41:24 -0700 From: Greg KH To: YuPing Luo Cc: linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org Subject: Re: core: workque: workqueue recursion when unplugging usb WCDMA modem on 2.6.32 kernel Message-ID: <20100422034124.GA25155@kroah.com> References: <20100421182747.GB7876@kroah.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: 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: 982 Lines: 24 On Wed, Apr 21, 2010 at 08:15:52PM -0700, YuPing Luo wrote: > > > On Tue, Apr 20, 2010 at 11:27:55PM -0700, YuPing Luo wrote: > > Is your console on a usb to serial device? Or a serial port? > > if usb to serial, can you try .33-rc5 and let us know if that solves > the problem? > > greg k-h > > The console is over serial port, while the usb modem exported 2 serial > ports . > The recursion can be avoided if introducing one dedicated work queue > thread for binder ( > http://android.git.kernel.org/?p=kernel/common.git;a=blob;f=drivers/stag > ing/android/binder.c;h=99010d4b3044b2c33c9d709e334b5be7871b9599;hb=andro > id-2.6.32). Ah, it's a binder issue. Good luck with that, you are on your own with that monster :) 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/