Weird Activation Records (RTS wizards, please help!)

Sigbjorn Finne
Wed, 6 Mar 2002 09:34:20 -0800

"Simon Marlow" <> writes:
> > I can't seem to get the Garbage Collector to work properly on MacOS X.
> > When a program triggers the Garbage Collector, it aborts with the 
> > following message:
> > a.out: fatal error: scavenge_stack: weird activation record 
> > found on stack: 0
> I'd be willing to bet large amounts of money that this is due to the
> macro LOOKS_LIKE_GHC_INFO() returning the wrong value.  Read the
> comments in ghc/rts/Storage.h, particularly the sections on "Address
> space layout macros" and "Macros for distinguishing code pointers from
> data pointers".  In the latter section, unregisterised compilation on
> MacOS X should be using Plan C.
> (Sigbjorn - did you already solve this one?)

No, I had to hand back the OS X box I was using. Wolfgang seems to be
making great progress on getting a full port going though.