I attached the output of dmesg after I removed the "fix" I made. I also
included the output of lspci. Marek would probably know in better detail,
but it seems like the sound card's misconfiguration is causing the system
to wait for it to respond. Since it never responds, the system doesn't
sleep,
I'm happy to report that the issue I experienced below is gone, so I was able
to install RC2. The AMDGPU drivers in the 4.4 kernel make a HUGE difference for
dual monitors, so I'm excited!
https://groups.google.com/forum/#!msg/qubes-users/uUwBy6RIUHQ/KESMemrcBQAJ
However, I'm having an issue
