Re: Troubles with MIDI input
Re: Troubles with MIDI input
- Subject: Re: Troubles with MIDI input
- From: James Coker <email@hidden>
- Date: Wed, 12 Feb 2003 16:22:55 -0700
I've had similar behavior, but specifically with a MOTU MIDI Express.
It has happened several times on at least 3 different computers with
two different MIDI Express XT USB models. It first appeared several
months ago (October, maybe?), and happens less frequently now, but
still happens.
The behavior is similar to the problem reported below: At some point
when
generating MIDI, the hardware interface starts spitting out random
data on all ports. I don't know if it was corrupted data or not, but I
would
have to power cycle the MIDI interface as well as any hardware synths
attached. I think this happened once also with a MOTU Fastlane, which
I use infrequently. I don't think I saw this happen on my MIDISport
USB,
but I use that interface very infrequently.
The funny thing is, it usually sounds really interesting, like what
I think a Cornelius Cardew piece might sound like.
Jim
On Wednesday, February 12, 2003, at 12:45 PM, Pete Gontier wrote:
That reminds me... We recently had a problem in which bogus (corrupted,
gratuitous, spontaneous) MIDI input seemed to be emanating from our
driver
when it ran on one particular machine. The system in question was also
having difficulty running one of the prebinding helper processes. We
don't
know why the process was getting invoked, but it would periodically
pop up
in the Console app as having crashed. (The only time I know such
processes
are supposed to run is during an installation, and the crashes did not
occur
in close temporal proximity to a run of any installer.) Wiping the
partition
and reinstalling the system helped with both problems. I don't know if
the
two problems were related or how, but the coincidence seemed somewhat
interesting.
circa 2/12/03 9:28, Michael McGonagle <email@hidden> wrote:
Thanks, I ended up reinstalling the CoreAudio stuff, and everything
(seems) to
be back to normal. I am able to compile the programs I have and they
work with
the MT4.
I am running an Emagic MT4 with driver version 1.4. Do remember
thou, the
driver is working for programs previously compiled, so could it be
the
driver?
What devices? What versions of the drivers?
I have been using the December release along with the CoreAudio
1.0 stuff
for the past 4 months. During this time, I compiled several
examples, wrote
some simple MIDI processing tools, and created several 'sfront'
MIDI
instruments. At no time, did I have a problem. Now, when I compile
anything, either from the command line or from Project Builder,
everything
compiles fine and appears to run fine (the programs are able to
find the
input and output ports), except there is no MIDI input getting to
these
programs. I have some programs that still run with the old
binaries, but a
new binary gets no MIDI input. Any suggestions on what I should
try, I was
wondering if this would be as simple as reinstalling the CoreAudio
stuff?
Or the developer tools?
--
Pete Gontier -- pete at m-audio dot com --
<http://www.m-audio.com/>
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