From alsa-devel-owner@alsa.jcu.cz  Wed Jan 13 22:58:18 1999
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Date: Wed, 13 Jan 1999 22:57:57 +0100 (CET)
From: Jaroslav Kysela <perex@jcu.cz>
To: alsa-devel@alsa.jcu.cz
Subject: Re: Ultrasound Midi.
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On Wed, 13 Jan 1999, Mike Woods wrote:

> On Wed, 13 Jan 1999, Steve Ratcliffe wrote:
> 
> > > problems with it, except for the midi. I know it is still under
> > > development, but whenever I try raw midi, or the sequencer, my whole
> > > system locks up. I have an Gravis Ultrasound PnP Pro card. I have recently
> > > ran the test programs included in the alsa-lib. The decoder bit worked,
> > > but the sender locked everything. Any ideas of what might be going wrong?
> > 
> > Is that straight away, or after a while?
> > 
> > This is what happens for me:
> > 
> > First I applied the appended patch so that reads return as soon as there
> > is some data.

Oops. Bug in alsa-lib (which don't set O_NONBLOCK correctly). I fixed this
bug today. Get latest CVS sources.

> > The decoder works fine, and I get an event printed every time that I
> > hit a key on my keyboard.
> > 
> > Sender works at first and I get the ECHO event printed every second until
> > about 200 seconds after alsa was loaded, when the whole system locks up
> > completely.  However this only happens when my midi keyboard is switched on,
> > it does not appear to lock up when it is switched off.
> > 
> > It could be that the active sensing signals are piling up somewhere and
> > causing a problem when some limit is reached.

Small bug in GF1 UART driver.. Check CVS.. Now should be all ok..

							Jaroslav

-----
Jaroslav Kysela <perex@jcu.cz>
Academic Computer Centre, University of South Bohemia
Branisovska 31, C. Budejovice, CZ-370 05 Czech Republic



