On Tuesday 29 Oct 2002 02:17, Ivan Middleton wrote:
> This is a follow-up to my postings of a few weeks ago.  I recently
> submitted the following as bug #629284:
>
> After just a few minutes of using a program (Linux Pipe Organ,
> http://orgue.com/linux_organ/index-e.shtml) which reads from the
> external MIDI port, the ALSA mpu401 driver barfs:
>
> Oct 26 20:22:43 localhost kernel: ALSA
> ../../alsa-kernel/drivers/mpu401/mpu401_uart.c:168: cmd: 0xff failed at
> 0x330 (status = 0xff, data = 0xff)
> Oct 26 20:22:43 localhost kernel: ALSA
> ../../alsa-kernel/drivers/mpu401/mpu401_uart.c:168: cmd: 0x3f failed at
> 0x330 (status = 0xff, data = 0xff)
>
> The aforementioned program communicates heavily with another program
> (Timidity) over the ALSA sequencer interface, and I believe this may be
> related somehow to the problem, since in the absence of these programs
> I
> can read from the external MIDI port as long as I want. When the error
> occurs, the sequencer interface (and everything else) seems to continue
> working fine; only the external port can't be read from anymore. I'm
> using 0.9.0rc5, and here's my soundcard:
>
> 0 [card0 ]: SB AWE - Sound Blaster 16
> Sound Blaster 16 at 0x220, irq 5, dma 1&5
>
> Any help with how to proceed debugging this further would be greatly
> appreciated.  Thanks,
>
> Ivan

Can you aconnect the keyboard directly to TiMidity++ without problems?

-- Peter



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