Recent upgrade to 3.1 MU, buddypress 1.2.8, BlogsMU Theme 1.2.2 gives me this response when I got to plugins in the dashboard.
"You do not appear to have any plugins available at this time."
If I do a Network Update I can find the plug-ins again at the top level.
What I can't do is find the plug-ins on individual sub blogs.
From the reading I've done it seems to have been an issue way back on 2.6/2.7
Tried un-pluging one by one and manual re-install of 3.1 and Buddypress. Permissions are all good on wp-content. permalinks re-saved.
Same response... can find on top level after network update...subblogs no access at all to plug ins.
All the settings are available at the top level and at sub blog level just not the plugins button/feed in dashboard which delivers the rather ominous.... "You do not appear to have any plugins available at this time".
Any ideas on caressing this bit of poetry into life?
Just add water