Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752972AbZDUN0z (ORCPT ); Tue, 21 Apr 2009 09:26:55 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1755196AbZDUN0h (ORCPT ); Tue, 21 Apr 2009 09:26:37 -0400 Received: from smtp-out002.kontent.com ([81.88.40.216]:42505 "EHLO smtp-out002.kontent.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754947AbZDUN0g convert rfc822-to-8bit (ORCPT ); Tue, 21 Apr 2009 09:26:36 -0400 From: Oliver Neukum To: =?utf-8?q?Mar=C3=B3y_=C3=81kos?= , linux-usb@vger.kernel.org Subject: Re: cdc-acm driver hangs on poll() call - 2.6.27, works on 2.6.24 Date: Tue, 21 Apr 2009 15:26:33 +0200 User-Agent: KMail/1.10.3 (Linux/2.6.29-9-default; KDE/4.1.3; x86_64; ; ) Cc: linux-kernel@vger.kernel.org References: <49EDC44D.90106@maroy.hu> In-Reply-To: <49EDC44D.90106@maroy.hu> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 8BIT Content-Disposition: inline Message-Id: <200904211526.34199.oliver@neukum.org> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 696 Lines: 21 Am Dienstag 21 April 2009 15:04:13 schrieb Maróy Ákos: > and it just hangs there forever. > > from the kernel changelog, I saw there were changes made to the cdc-acm > mobule between 2.6.24 and 2.6.27. might those changes by in relation to > the above effect? > > any help is appreciated... Does it happen with 2.6.29? Could you get dmesg of 2.6.2(7/9) with CONFIG_USB_DEBUG and debug activated in drivers/usb/class/cdc-acm.c ? Regards Oliver -- 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/