infinitely-repeating keypress with mceusb and default driver

I'm upgrading an older system to Debian testing (buster), currently running
kernel 4.12.6 and lirc version 0.10.0. I have an mceusb remote and am using the
config file from the lirc remotes database. I've set up lirc using the default
driver. When I run irw and press a button or two, the buttons are reported
correctly, but then an escape sequence is just repeated over and over until I
quit with Ctrl-C. It looks like this:

$ irw
000000037ff07be1 00 KEY_UP mceusb
^[[A^[[A^[[A^[[A^[[A^[[A^[[A^[[A^[[A^[[A^[[A^[[A^[[A^[[A^[[A^[[A
^[[A^[[A^[[A^[[A^[[A^[[A^[[A^[[A^[[A^[[A^[[A^[[A^[[A^[[A^[[A^[[A
^[[A^[[A^[[A^[[A^[[1;5A^[[1;5A^C

In my primary application, MythTV, this behaves as if I'm holding down the
KEY_UP button, so it rapidly cycles through the menu options on the home screen.

Before upgrading the OS, I was using the same hardware on Ubuntu 14.04 and lirc
0.9.x, and I didn't see this behavior.

I switched to the devinput driver, and I don't see the same behavior. Everything
works fine. Because the devinput driver suits my needs, I'll probably just stick
with it, but I was curious why I'm seeing these repeated keypresses with the
default driver. Has anyone seen this before or have troubleshooting advice?

Thanks.
Joey


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