Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932334AbWHQJAm (ORCPT ); Thu, 17 Aug 2006 05:00:42 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S932360AbWHQJAm (ORCPT ); Thu, 17 Aug 2006 05:00:42 -0400 Received: from outpipe-village-512-1.bc.nu ([81.2.110.250]:5052 "EHLO lxorguk.ukuu.org.uk") by vger.kernel.org with ESMTP id S932334AbWHQJAl (ORCPT ); Thu, 17 Aug 2006 05:00:41 -0400 Subject: Re: How to avoid serial port buffer overruns? From: Alan Cox To: Russell King Cc: Paul Fulghum , Lee Revell , Raphael Hertzog , Linux Kernel ML In-Reply-To: <20060816231033.GB12407@flint.arm.linux.org.uk> References: <20060816104559.GF4325@ouaza.com> <1155753868.3397.41.camel@mindpipe> <44E37095.9070200@microgate.com> <1155762739.7338.18.camel@mindpipe> <1155767066.2600.19.camel@localhost.localdomain> <20060816231033.GB12407@flint.arm.linux.org.uk> Content-Type: text/plain Content-Transfer-Encoding: 7bit Date: Thu, 17 Aug 2006 10:20:46 +0100 Message-Id: <1155806446.15195.42.camel@localhost.localdomain> Mime-Version: 1.0 X-Mailer: Evolution 2.6.2 (2.6.2-1.fc5.5) Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 674 Lines: 17 Ar Iau, 2006-08-17 am 00:10 +0100, ysgrifennodd Russell King: > MIDI uses its own driver - sound/drivers/serial-u16550.c. My guess How peculiar > is there's something in the system starving interrupt servicing. > Serial is very sensitive to that, and increases in other system > latencies tends to have an adverse impact on serial. I see no support for the 16650 specific bits in the driver, so that alone may be a problem ? - 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/