[Bug 228835] [NEW] using emu10k1 hardware synth freezes computer

[Guillaume Radde]

Public bug reported:

Trying to play any midi sound through the hardware synth of a creative
soundlbaster audigy freezes the computer. This used to be working
correctly on the same hardware.

Steps to reproduce:
-------------------------

1)Load a soundfont into the soundcard: (example download here: http://www.sf2-files.com/extsounds/ADC-TranceKit.sf2 )
$ asfxload ADC-TranceKit.sf2

2) Look at the port number of your hardware synth:

$ aconnect -o
client 14: 'Midi Through' [type=kernel]
    0 'Midi Through Port-0'
client 16: 'Audigy 2 [Unknown]' [type=kernel]
    0 'Audigy MPU-401 (UART)'
   32 'Audigy MPU-401 #2'
client 17: 'Emu10k1 WaveTable' [type=kernel]
    0 'Emu10k1 Port 0  '
    1 'Emu10k1 Port 1  '
    2 'Emu10k1 Port 2  '
    3 'Emu10k1 Port 3  '
client 20: 'Keystation 49e' [type=kernel]
    0 'Keystation 49e MIDI 1'

3)Here the hardware wave table is on client 17 port 0. Now play a midi
file into this port. An example midi file can be downloaded from
http://www.mididatabase.com/19841988/rock/metallica/HitTheLights.mid

guignome at alphonse:~$ aplaymidi --port=17:0 HitTheLights.mid


-----> After a few notes played, the computer freezes.

The same thing has been tested using rosegarden or a usb keyboard as a
midi client.

** Affects: ubuntustudio
     Importance: Undecided
         Status: New

** Affects: linux-meta (Ubuntu)
     Importance: Undecided
         Status: New

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using emu10k1 hardware synth freezes computer
https://bugs.launchpad.net/bugs/228835
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