Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933853AbXEEVpw (ORCPT ); Sat, 5 May 2007 17:45:52 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S933921AbXEEVpw (ORCPT ); Sat, 5 May 2007 17:45:52 -0400 Received: from outpipe-village-512-1.bc.nu ([81.2.110.250]:56557 "EHLO the-village.bc.nu" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S933853AbXEEVpw (ORCPT ); Sat, 5 May 2007 17:45:52 -0400 Date: Sat, 5 May 2007 22:49:49 +0100 From: Alan Cox To: Oliver Neukum Cc: Paul Fulghum , Antonino Ingargiola , linux-usb-users@lists.sourceforge.net, linux-kernel@vger.kernel.org Subject: Re: [SOLVED] Serial buffer corruption [was Re: FTDI usb-serial possible bug] Message-ID: <20070505224949.2adb378b@the-village.bc.nu> In-Reply-To: <200705051854.30843.oliver@neukum.org> References: <5486cca80705040138r6ac16e9bp77e4f6217720ea8@mail.gmail.com> <1178381287.3379.8.camel@x2> <20070505173647.544f6707@the-village.bc.nu> <200705051854.30843.oliver@neukum.org> X-Mailer: Claws Mail 2.9.1 (GTK+ 2.10.8; i386-redhat-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 638 Lines: 15 > > This is a bug in cdc-acm really. It should not double buffer, but to be > > fair to the authors prior to the new tty buffering it *had* to do this. > > I assume this applies to all serial drivers in the wider sense? When possible at least. Obviously there will always be some buffering in the hardware or interface glue but you should never need to work around the tty buffers now. Alan - 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/