X doesn't update until the mouse moves (not HAL related)

[Eitan Adler]

>
> IIRC, this was actually a bug in the interrupt code.  Specifically, the
> handling of MSI on chips > i945.  The commit should have been either
> from me or jhb@ and a search of the email archives should turn something
> up.

My machine can't handle make buildworld so I have to wait until the
next -RELEASE before I can test this (unless freebsd-update could
handle -STABLE) :\