Binary.readBinMem: decompression failed

What’s going on?  This is a clean validate on Linux.  I have done git pull, git submodule update –recursive –init

Simon

cd libraries && sh gen_contents_index --intree

grep: ../bin-package-db/bin-package-db.cabal: No such file or directory

grep: ../integer-gmp2/integer-gmp.cabal: No such file or directory

haddock: internal error: Binary.readBinMem: decompression failed

CallStack (from HasCallStack):

  error, called at compiler/utils/Binary.hs:192:16 in ghc:Binary

make[1]: *** [libraries/dist-haddock/index.html] Error 1

make: *** [all] Error 2