Hi Takashi, > The most important thing is to find out what triggers which result. > As far as I understand from Florian's analysis, the io-port access > results in a machine reboot, not a kernel panic or so. In my case, I saw a hard lock-up as soon as I typed the name of any MIDI program, even 'aconnect'. There was no panic or log information, just a complete freeze. Cheers! Daniel _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxx http://mailman.alsa-project.org/mailman/listinfo/alsa-devel