Big Sur IOKit stall on startup

[jawsoftware]

I tried your driver for my Graphire 2, as with the last available driver it caused a long boot time after updating to Big Sur; in verbose boot I cuold see three lines like this:

IOKit Daemon (kernelmanagerd) stall[0], (60s): 'IOHIDInterface'

I uninstalled the Wacom driver (via uninstall program and manually as something was left) and installed your version, but I still the same IOKit stall problem.
This problem doesn't occur if I plug the tablet after boot is completed. The original driver does work well under Mojave (didn't tried yours), so it is not a tablet issue.

Any fix for this?