From mboxrd@z Thu Jan 1 00:00:00 1970 From: Romain Bossart Subject: Re: Audiophile Delta 24/96 Midi Out continuously sends zeroes (alsa 1.0.14) Date: Wed, 19 Sep 2007 06:59:29 +0200 Message-ID: References: <46D4A1D6.7010604@free.fr> <1188369280.902.1207813047@webmail.messagingengine.com> <1188378043.46d535bbab7f9@imp.free.fr> <1188802343.9390.1208579935@webmail.messagingengine.com> <1188826536.46dc0da8097bc@imp.free.fr> <1188833385.26232.1208641995@webmail.messagingengine.com> <46DC3BF4.9010204@free.fr> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from ciao.gmane.org (main.gmane.org [80.91.229.2]) by alsa0.perex.cz (Postfix) with ESMTP id D548524579 for ; Wed, 19 Sep 2007 07:00:10 +0200 (CEST) Received: from root by ciao.gmane.org with local (Exim 4.43) id 1IXrfO-00057j-1o for alsa-devel@alsa-project.org; Wed, 19 Sep 2007 07:00:02 +0200 Received: from vpn-samois.solopso.org ([81.56.140.49]) by main.gmane.org with esmtp (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Wed, 19 Sep 2007 07:00:02 +0200 Received: from romain.bossart by vpn-samois.solopso.org with local (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Wed, 19 Sep 2007 07:00:02 +0200 In-Reply-To: <46DC3BF4.9010204@free.fr> 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: alsa-devel@alsa-project.org List-Id: alsa-devel@alsa-project.org Hi all, Hi Clemens, just for your information, the midi out was broken. I grabbed a bought an old layla and everything works now. Thank you again for your help. Cheers, Romain Romain Bossart wrote: > > Clemens Ladisch wrote: >> Romain Bossart wrote: >>> Selon Clemens Ladisch : >>>> That is, the zeroes are _not_ sent when you're not using jack? When >>>> nothing is connected, or when you use aplaymidi or amidi to send >>>> something, everything is OK? >>> Here is a summary of the various tests I did. I have just one card: Audiophile >>> Delta 24/96. My kernel is now 2.6.22.1 RT patched & alsa 1.0.14, >>> Audio works perfectly. I don't think jack is the problem. >>> >>> Config #2 = Delta Midi Out -> (Midi In) Instrument (Midi Out/Thru) -> Delta Midi >>> In and 'amidi -p hw:0,0 -d'. Jack being started or not. >>> >>> Symptoms: tons of zeroes are shown by amidi as soon as I launch it. The stream >>> is so intense I can actually hear it in my speakers/monitors (need to switch to >>> better MIDI cables, I know!). amidi and /proc/asound/card0/midi0 give the same number >>> of transmitted bytes. >> With "transmitted", you meant "received"? >> When Jack is not running, there is no software to send anything. If the number >> of _transmitted_ bytes changes anyway, this would be a bug in ALSA. > Oops, 'reveived' is correct. Thank you. > > >>> Config #2b = Delta Midi Out -> Delta Midi In >>> and 'amidi -p hw:0,0 -d', Jack being started or not. >>> >>> Symptoms: identical to config#2. Moreover, if meanwhile I send some Midi commands >>> with amidi ('amidi -p hw:0,0 -S C01C'), I don't find this data in my dump. >> Apparently, the output port is broken. While it is theoretically >> possible that the driver doesn't initialize the card correctly, I cannot >> imagine a bug that would cause the port to presume that there is data to >> send. > You're right the output port seems to be broken. > >> Could you test if the port sends data even before the driver (or Linux) >> is loaded, or in Windows? >> > > I am not sure I can try this. I will change my card. > >> Regards, >> Clemens >> > Thank you very much for your help. > > Regards, > Romain