From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755634Ab0LHPGu (ORCPT ); Wed, 8 Dec 2010 10:06:50 -0500 Received: from cantor.suse.de ([195.135.220.2]:39438 "EHLO mx1.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755614Ab0LHPGs (ORCPT ); Wed, 8 Dec 2010 10:06:48 -0500 Date: Wed, 8 Dec 2010 07:07:38 -0800 From: Greg KH To: baoyb Cc: linux-kernel@vger.kernel.org, alan@linux.intel.com Subject: Re: Kernel Oops at tty_buffer_request_room when using pppd program (2.6.37-rc4) Message-ID: <20101208150738.GB5669@suse.de> References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.20 (2009-06-14) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Dec 08, 2010 at 09:55:09PM +0800, baoyb wrote: > Hi All: > > We are using a USB 3G card(HUAWEI e180) and wvdial+pppd(version > 2.4.5) program. Sometimes kernel will crash when pppd disconnect the > link. Our cpu platform is AMCC ppc405EX and kernel version is > 2.6.37-rc4. Can you try 2.6.37-rc5 and see if that fixed the issue? A number of tty fixes went in between those two versions that should have resolved this. thanks, greg k-h