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From: Takashi Iwai <>
To: Fernando Lopez-Lezcano <nando@ccrma.Stanford.EDU>
	Ingo Molnar <>
Subject: Re: [alsa-devel] 2.6.26.[6|7] vs. rt11 vs. alsa (usb) midi
Date: Mon, 27 Oct 2008 09:13:29 +0100	[thread overview]
Message-ID: <> (raw)
In-Reply-To: <1224989187.3706.7.camel@localhost.localdomain>

At Sat, 25 Oct 2008 19:46:27 -0700,
Fernando Lopez-Lezcano wrote:
> Hi... anyone out there also having problem with this combination?
> or with and alsa MIDI
> It looks to me like alsa midi is broken. 
> Probably an interaction with the realtime kernel patch. A Fedora kernel
> based on ( on fc8) works fine, a very similarly
> patched kernel that includes the realtime patch does not. The
> configurations for both are almost the same (today I tried to change
> some of the most obvious differences and rebuild, with the same
> result). 
> No problems with 
> Test: boot, login, plugin an external usb keyboard (Yamaha P250), it is
> recognized, use qjackctl alsa patchbay to connect it to kmidimon,
> kmidimon sees only _one_ midi message and that's it. Kmidimon can't be
> killed after that. 

What about other MIDI devices on other bus, e.g. an MPU401 on a PCI
soundcard or so?  There is a possibility of breakage in the USB driver
side, too.


  reply	other threads:[~2008-10-27  8:13 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-10-26  2:46 Fernando Lopez-Lezcano
2008-10-27  8:13 ` Takashi Iwai [this message]
2008-10-28 21:35   ` [alsa-devel] " Fernando Lopez-Lezcano
2008-10-29 11:10     ` Takashi Iwai
2008-11-03  6:52       ` Fernando Lopez-Lezcano
2008-11-05  7:43         ` Takashi Iwai
2008-11-06 22:53           ` Fernando Lopez-Lezcano

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