[Bug 218800] USB Keyboard Interrupts messing with VGA Output
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Thu Apr 27 22:02:06 UTC 2017
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=218800
--- Comment #14 from Kyle <kylecook80 at gmail.com> ---
A couple of updates:
1.) Compiling my kernel without SMP slows down the messages considerably. Race
condition?
2.) When debug mode is enable for UHCI, the keyboard works fine on other TTYs.
As far as I can see in the source, debug only dumps extra data to the screen.
It shouldn't be modifying anything.
If this is a race condition, could dumping to the screen be adding enough time
to alleviate the issue?
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