----- Original Message ----
Looking at the code I found a magic spell I need to put into /etc/modprobe.conf:
options snd-mpu401 uart_enter=0
Looks like this particular port is not fully implemented and does not understand (and does not need) the 0x3f command. It is always in the uart mode. Perhaps this needs to be better documented or, even better, handled automatically in the module. I think that such ports work fine in Windows, so they probably do some smart probing to detect such cases.
Now I have a different problem. I added SB Live 5.1 card into the system, and it plays samples beautifully as I press keys on MIDI keyboard. The card has its own MIDI port:
16:0 SBLive 5.1 [SB0060] EMU10K1 MPU-401 (UART)
This port shows garbage half of the time. Sometimes it shows right note on/off events, but sometimes complete garbage events like channel aftertouch (keyboard does not have any), resets or other events unrelated to the keys I push. I see perfectly good events when I connect the keyboard into the on-board mpu401 port.
I even tried to put this SB Live card into another computer with Fedora 6 (I think, kernel 2.6.21* and alsa 1.0.14) - the same thing is happening.
Any idea with this one?
From: Alexander Saydakov <sandy_saydakov@xxxxxxxxx>
To: Clemens Ladisch <cladisch@xxxxxxxxxxxxxx>
Cc: alsa-user@xxxxxxxxxxxxxxxxxxxxx
Sent: Friday, September 28, 2007 4:05:56 PM
Subject: Re: midi port does not work
To: Clemens Ladisch <cladisch@xxxxxxxxxxxxxx>
Cc: alsa-user@xxxxxxxxxxxxxxxxxxxxx
Sent: Friday, September 28, 2007 4:05:56 PM
Subject: Re: midi port does not work
>> 20:0 MPU-401 UART MPU-401 UART MIDI
>>
>> $ aseqdump -p 20:0
>> Cannot connect from port 20:0 - Input/output error
>>
>> # tail /var/log/messages
>> ...mpu401_uart.c:263: cmd: 0x3f failed at 0x330 (status = 0x80, data = "">
>>
>> $ aseqdump -p 20:0
>> Cannot connect from port 20:0 - Input/output error
>>
>> # tail /var/log/messages
>> ...mpu401_uart.c:263: cmd: 0x3f failed at 0x330 (status = 0x80, data = "">
Looking at the code I found a magic spell I need to put into /etc/modprobe.conf:
options snd-mpu401 uart_enter=0
Looks like this particular port is not fully implemented and does not understand (and does not need) the 0x3f command. It is always in the uart mode. Perhaps this needs to be better documented or, even better, handled automatically in the module. I think that such ports work fine in Windows, so they probably do some smart probing to detect such cases.
Now I have a different problem. I added SB Live 5.1 card into the system, and it plays samples beautifully as I press keys on MIDI keyboard. The card has its own MIDI port:
16:0 SBLive 5.1 [SB0060] EMU10K1 MPU-401 (UART)
This port shows garbage half of the time. Sometimes it shows right note on/off events, but sometimes complete garbage events like channel aftertouch (keyboard does not have any), resets or other events unrelated to the keys I push. I see perfectly good events when I connect the keyboard into the on-board mpu401 port.
I even tried to put this SB Live card into another computer with Fedora 6 (I think, kernel 2.6.21* and alsa 1.0.14) - the same thing is happening.
Any idea with this one?
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