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WytchCrypt
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Help with No Buffers Available error
« on: May 10th, 2014, 6:03pm »
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Hi all,
 
I just began running MIDI-OX on a Vista laptop through a MIDIMAN USB MIDISPORT 4x4.  I'm connected up to a Korg Radias synth trying to do a full dump and restore.  The dump part runs no problem but when I try to send the SysEx file back to the Radias, it gets about 10% done then gives me the following error:
 
SysEx: No Buffers Available.  There is not enough memory available for this task.  Quit one or more applications to increase available memory and try again.
 
I've quit every application except MIDI-OX and keep getting the same error.  I've tried configuring the output buffer everywhere from 32 down to 2 but can't seem to get around the error.
 
Any ideas?
 
Thanks!
Dennis
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WytchCrypt
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Re: Help with No Buffers Available error
« Reply #1 on: May 10th, 2014, 6:25pm »
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Great news!  I found the right setting and it now works.  I went into configure buffers and went from 32 256 byte output buffers down to 2 64 byte buffers and everything worked no problem!
 
Hurray for MIDI-OX!
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manmanman
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Re: Help with No Buffers Available error
« Reply #2 on: Mar 27th, 2015, 4:30am »
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I was receiving the exact same error message.  I changed the byte buffers and still got the same error.  
 
Turns out, the problem was that I had Ableton open at the exact same time I was attempting to update.  I closed Ableton and the update when fine.  Do not update your synth with a DAW open.
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MidiKinga
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Re: Help with No Buffers Available error
« Reply #3 on: Aug 24th, 2017, 4:28am »
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on Mar 27th, 2015, 4:30am, manmanman wrote:
I was receiving the exact same error message.  I changed the byte buffers and still got the same error.  
 
Turns out, the problem was that I had Ableton open at the exact same time I was attempting to update.  I closed Ableton and the update when fine.  Do not update your synth with a DAW open.  

 
Same problem & solution with Prodipe Midi USB 4i/4o + Merge 2i>4o midi interface unit as-well! Grin Grin Grin
 
As both Prodipe Midi USB 4i/4o + Merge 2i>4o and the MIDIMAN USB MIDISPORT 4x4 are Class-compliant devices, they rely on the Windows generic USB midi drivers.  
 
There's not a hardware problem as some people stated, but just the *limitation* of generic midi USB driver. It can't handle larger chunks of sysex data FROM Windows 7. Hence people need to manually set 64/2 byte as an OUTPUT buffer from MidiOX.
 
The funny thing is that there's no problem when dumping sysex FROM hardware units, as I have tested settings for up to 1024/16 bytes buffers without any error.
 
Just a tip: After sysex dump form hardware, always make sure to check it's integrity for errors by opening 'View >> Sysex >> Display Window >> Check Data' in MidiOX. I've noticed a lot of errors IF not using the appropriate uploading buffer setting.
 
Cheers.  
 
 
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Breath
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Re: Help with No Buffers Available error
« Reply #4 on: Aug 26th, 2017, 1:25am »
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on Aug 24th, 2017, 4:28am, MidiKinga wrote:

 
As both Prodipe Midi USB 4i/4o + Merge 2i>4o and the MIDIMAN USB MIDISPORT 4x4 are Class-compliant devices, they rely on the Windows generic USB midi drivers.  
 

 
Just for clarification here, I believe the early Midisport interfaces were pre class compliant and so had their own drivers.
The later M-Audio Midiman MidiSport  interfaces (including the 4x4) are class compliant interfaces, but you can install their own Windows multi-client driver (and I strongly hope you do) rather than the rubbish MS one.
 
I have 2x2 4x4 and 8x8 interfaces - all pre "Anniversary" models and they work very well.
 
All the best
Royce
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MidiKinga
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Re: Help with No Buffers Available error
« Reply #5 on: Aug 28th, 2017, 5:12am »
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on Aug 26th, 2017, 1:25am, Breath wrote:

 
Just for clarification here, I believe the early Midisport interfaces were pre class compliant and so had their own drivers.
The later M-Audio Midiman MidiSport  interfaces (including the 4x4) are class compliant interfaces, but you can install their own Windows multi-client driver (and I strongly hope you do) rather than the rubbish MS one.
 
I have 2x2 4x4 and 8x8 interfaces - all pre "Anniversary" models and they work very well.
 
All the best
Royce

 
Yes, that's correct, I've missed to point that out. Although the M-Audio missed to point that out on the product page, as it only said "Requirements: Compatibility Class-compliant".
 
 
Maybe the Prodipe will do the same thing and release their own dedicated driver for the Prodipe Midi USB 4i/4o box as-well as that little has definite potential.
 
Cheers.
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