Comment 87 for bug 647404

Playing with trying to get udev to log something with the following result:

Changing /etc/udev/udev.conf to log debug info and changing /etc/default/grub to not have quiet on the default boot options, shows the errors come before this line:
usb 1-8: configuration #1 chosen from 1 choice

... but there is too much info on screen and nothing is in any log files (specifically the worker lines we all see)

Without the logging option, I can then tell that the errors should be between these two entries;
kernel: [ 1.394993] EXT4-fs (sda1): mounted filesystem with ordered data mode
kernel: [ 1.528061] usb 1-8: configuration #1 chosen from 1 choice

and when udev is in debug you can see these parts are run
/scripts/local-bottom

Unfortunately when the grub option has the quiet removed you don't get the error lines showing so I can't see any more details.

Does anyone know how to switch on some logging to show what happens between the two logged lines?