Hi, Larry
For your and others' information, Realtek RTL8723BE drops connection
with MSI enabled on some certion systems too, you may wanna take a look
at the bug[1].
Luckily, in wireless-next, I already set RTL8723BE and RTL8188EE's MSI
to false by default.
https://bugs.launchpad.net/bugs/1320070
--
Adam Lee