schedule: re-entered unsafely - with heavy concurrent load

[Einar Karttunen]

"Simon Marlow" <simonmar at microsoft.com> writes:
> I fixed a bug that might cause this in the last couple of days.  Could
> you try again with a fresh build and let us know if the problem still
> occurs?

Seems to work without problems on 6.4.20050218. GHC seems to improve
faster than one can spot problems :-)

- Einar Karttunen