From mboxrd@z Thu Jan 1 00:00:00 1970 From: Pavel Hofman Subject: Re: PATCH - MIDI on ice1724 - real-time kernel problem SOLVED Date: Tue, 20 May 2008 21:15:28 +0200 Message-ID: <48332350.9010204@insite.cz> References: <480E495B.20607@insite.cz> <480F189A.7030500@insite.cz> <480F99B8.3010408@insite.cz> <4810F1FA.4020300@insite.cz> <481182EB.1010800@insite.cz> <4818D18E.5040409@insite.cz> <481CB902.9080905@insite.cz> <48235617.2070906@insite.cz> <482BE45E.1060401@ladisch.de> <48308B4C.2030906@insite.cz> <48328F6C.9000701@ladisch.de> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from mailserver.bobrnet.net (bobrnet.cust.inethome.cz [88.146.180.6]) by alsa0.perex.cz (Postfix) with ESMTP id 3D5D824361 for ; Tue, 20 May 2008 21:15:34 +0200 (CEST) In-Reply-To: <48328F6C.9000701@ladisch.de> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: alsa-devel-bounces@alsa-project.org Errors-To: alsa-devel-bounces@alsa-project.org To: Clemens Ladisch Cc: Takashi Iwai , alsa-devel@alsa-project.org List-Id: alsa-devel@alsa-project.org Clemens Ladisch wrote: > Pavel Hofman wrote: >> Thanks a lot. After a few pointer fixes to make it compile your code >> works flawlessly for both the generic as well as realtime ubuntu kernel. > > Does it also work if you set the watermarks to 0? Test results for rt kernel - watermarks set to 0 bring the IRQ flood when the MIDI device is opened ( amidi -p hw:0 -d). I am fine with the current setting - no floods, latency comparable to USB. Regards, Pavel.