[LAU] no midi with 2.6.26 or 2.6.27

sonofzev at iinet.net.au sonofzev at iinet.net.au
Sun Mar 1 22:50:28 EST 2009



On Mon Mar  2 14:43 , Tony Smolar  sent:

>Hi-
>
>Yes, there is apparently a very similar issue in the RT kernels.  I even 
>go ahold of the patch and attempted to fix the issue in the latest  
>kernel I compiled,  only to find that particular bug did not exist in my 
>version of the source.    I contacted the maintainer, and he said the 
>fix was for the RT kernels, since that bug in question only existed there.
>
>Anyway, to make a long story short, whatever ails my kernel is a 
>completely different bug with the same symptoms :-(
>
>Thanks for the response.   I suppose I could try downgrading kernels to 
>see if I can find a fix that way.
>
>Tony Smolar
>
>Jean-Baptiste Mestelan wrote:
>> 2009/3/1 Tony Smolar tsmolars at netscape.net>
>>   
>>> Greetings,
>>>
>>> Ever since I updated my system to Fedora 8,  I haven't been able to use
>>> my external MIDI keyboard or the wavetable on my sblive card via aplaymidi.
>>>
>>> aplaymidi will usually play the first note of a song, and nothing
>>> more.   Kmid does exactly the same thing.
>>>
>>> yet the 'aplay' command seems able to read and write to the MIDI port.
>>>
>>> I am running  2.6.26.8-57.fc8,  and I've also tried 2.6.27.13 both have
>>> the same issue.    The correct drivers do exist.  I haven't noticed any
>>> errors in the logs.
>>> I'm hoping to finally get this resolved, and I can send whatever info is
>>> needed.
>>>     
>>
>>  Hello Tony.
>>  Not sure if this is the problem you are currently facing, but:
>>  I experienced MIDI trouble when updating to 2.6.26.3-r3:  MIDI
>>  messages out of my USB Midisport 2x2 behaved in a completely erratic
>>  way, as was confirmed by kmidimonitor.
>>
>>  This was also reported on the LAT list: this message states that this
>>  particular kernel and USB MIDI do not play well together:
>>  http://lists.linuxaudio.org/pipermail/linux-audio-tuning/2008-August/000053.html
>>
>>  I do not know if or in which kernel version this was fixed; I have
>>  since reverted to 2.6.24.7-r17, which works fine here.
>>
>>  Kind regards.
>> _______________________________________________
>> Linux-audio-user mailing list
>> Linux-audio-user at lists.linuxaudio.org
>> http://lists.linuxaudio.org/mailman/listinfo/linux-audio-user
>>   
>
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>)

Hi, 

I'm using 2.6.26.8 with rt patches (from gentoo pro-audio overlay).. I have no
issues with MIDI running multiple devices..







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