From mboxrd@z Thu Jan 1 00:00:00 1970 From: Clemens Ladisch Subject: Re: Edirol UA-20 in advanced mode Date: Fri, 30 Jan 2009 14:10:13 +0100 Message-ID: <4982FC35.3090601@ladisch.de> References: Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from out4.smtp.messagingengine.com (out4.smtp.messagingengine.com [66.111.4.28]) by alsa0.perex.cz (Postfix) with ESMTP id F40912438F for ; Fri, 30 Jan 2009 14:10:18 +0100 (CET) In-Reply-To: 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: nick83ola Cc: alsa-devel@alsa-project.org List-Id: alsa-devel@alsa-project.org nick83ola wrote: > I have an old edirol UA-20 that not work with advanced driver, or perhaps I > see it, i can send midi in and out from it but audio don't work. > ... > damnick@damnick-nb:~$ dmesg|tail > [ 1287.914930] cannot submit datapipe for urb 0, error -90: internal error This is a bug in the USB audio driver; it uses packets that are too big for the device (the code for the AUDIO_FIXED_ENDPOINT quirk doesn't look at wMaxPacketSize). I'll need to change the driver. Best regards, Clemens