FYI, seems they have a new alpha-grade patch of test4 out that addresses all of those problems (I browsed it just now). You may wish to try that if mine doesn't work. It seems to have some other fixes in there as well, so it may actually be a better option than mine.
Check it out at:
http://www.kernel.org/pub/linux/kernel/testing/test4-pre6.gz
C
