the bitrig marco_serial_wa branch has been created by marco. it is 0 commits behind master, and 1 commit ahead.
commit 1d42ec811a8a91dedf48948acf35ed9df137e6a8 diff: https://github.com/bitrig/bitrig/commit/1d42ec8 author: Marco Peereboom <[email protected]> date: Thu May 26 14:36:59 2016 -0500 try yo emulate an interrupt issue with serial ports; borrowed from freebsd M sys/dev/acpi/acpiprt.c
