I think the SP6 bug is back in SP7 with CIFS?

I know with SP6 (until you put the post SP6 CIFS patch on), I could
consistently kill a server by making a change to the CIFS config, and
then doing a cifstop and a cifsstrt

Well, after putting the post SP6 patch on, things are okay.

Unfortunately after upgrading to SP7, the bug is back.

Make a change to the cifs config (either server property or editing

Do a cifsstop. okay
Do a cifsstrt, the server either abends or reboots itself.