Sorry for posting on multiple lists, but this concernes both parties. I
am sending this message to alsa-user mailing list
([EMAIL PROTECTED]) and the Linux USB users list
([EMAIL PROTECTED]).

I'm having trouble with my M-audio Quattro. I have been experiencing
crashes with it. Quite a few actually. I've had 5-6 crashes in two
weeks. 

I think I finally figured out what triggers the crash. I hear a crackle
from the Quattro when I'm running Jack and the bathroom light is
switched on. After I added 1+1 together and figured out they could be
connected with eachother, the light got turned on again and CRASH.

The crash is quite total. Most of the time the magic sysrq keys work
(once it didn't, but I was testing a patched kernel), so I can at least
boot the computer without the reset button, but even though I do a
alt-sysrq -S(ync) -U(mount) -B(oot) sequence, the disks stay mounted and
have to be checked at poweron.

I'm going to work on my wiring but I would like to draw some attention
to this. An operating system should not crash if a USB device fails to
work properly. The people who develop these drivers are welcome to
contact me so that I can install their patches and start harassing the
lightswitch. :)

My setup:
 Asus A7V (via chipset)
 Duron 650mhz
 256mb RAM
 ATI Rage 128 (AGP)
 Terratec DMXfire (pci soundcard)
 M-Audio Quattro
 Linux 2.4.21
 Alsa 0.9.4


btw. I'm having trouble sending this, so I apologize if it came on the
list twice.

 Thanks. Sampo




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