Hi.

The issue with udev rules is a known issue in upstream madfuload. A
patch was submitted more than year ago but not yet in release:
http://sourceforge.net/tracker/index.php?func=detail&aid=1622573&group_id=87777&atid=584353
I guess that an Ubuntu-specific patch could be done if the M-Audio
firmwares were in alsa-firmware-loader.

About the timing issue: I did experiments with a simple "firmware
loader" that simply attempts to open the device file, sleeps for 0.01
seconds and attempts to open it again. The first attempt fails with
ENOENT, second succeeds. This feels like a problem in udev to me.

Juhani

-- 
UDEV problem with madfu-firmware for M-Audio Transit USB audio interface under 
Feisty
https://bugs.launchpad.net/bugs/102631
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