Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753826Ab0DVX2T (ORCPT ); Thu, 22 Apr 2010 19:28:19 -0400 Received: from mail-gy0-f174.google.com ([209.85.160.174]:42631 "EHLO mail-gy0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752681Ab0DVX2R convert rfc822-to-8bit (ORCPT ); Thu, 22 Apr 2010 19:28:17 -0400 MIME-Version: 1.0 In-Reply-To: References: <20100421182747.GB7876@kroah.com> Date: Thu, 22 Apr 2010 16:28:07 -0700 Message-ID: Subject: Re: core: workque: workqueue recursion when unplugging usb WCDMA modem on 2.6.32 kernel From: =?ISO-8859-1?Q?Arve_Hj=F8nnev=E5g?= To: YuPing Luo Cc: Greg KH , linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 8BIT Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 989 Lines: 26 On Wed, Apr 21, 2010 at 8:15 PM, 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 . I don't think this is related to your console. I could easily reproduce your problem by killing rild (which uses both the binder and ttys). You may also what to find out why your rild is exiting. > ?The recursion can be avoided if introducing one dedicated work queue > thread for binder ( I just pushed a fix that does exactly that. -- Arve Hj?nnev?g -- 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/