mandb hung on Cygwin update

Updating index cache for path `/usr/share/man/man1'. Wait...
Processing manual pages under /usr/share/man...
/usr/bin/mandb: can't open /usr/share/man/isc-config.sh.1: No such file or directory
/usr/bin/mandb: warning: /usr/share/man/man1/bind9-config.1.gz: bad symlink or ROFF `.so' request
/usr/bin/mandb: warning: /usr/share/man/man1/col.1.gz: whatis parse for col(1) failed
/usr/bin/mandb: warning: /usr/share/man/man1/csh.1 is a dangling symlink
/usr/bin/mandb: warning: /usr/share/man/man1/gpg.ru.1.gz: whatis parse for gpg.ru(1) failed
/usr/bin/mandb: can't open /usr/share/man/dos2unix.1: No such file or directory
/usr/bin/mandb: warning: /usr/share/man/man1/u2d.1.gz: bad symlink or ROFF `.so' request
Updating index cache for path `/usr/share/man/man3'. Wait...
/usr/bin/mandb: warning: /usr/share/man/man3/CPAN.Debug.3pm.gz: whatis parse for CPAN.Debug(3pm) failed
/usr/bin/mandb: warning: /usr/share/man/man3/CPAN.HandleConfig.3pm.gz: whatis parse for CPAN.HandleConfig(3pm) failed
/usr/bin/mandb: warning: /usr/share/man/man3/CPAN.Queue.3pm.gz: whatis parse for CPAN.Queue(3pm) failed
/usr/bin/mandb: warning: /usr/share/man/man3/CPAN.Tarzip.3pm.gz: whatis parse for CPAN.Tarzip(3pm) failed
/usr/bin/mandb: warning: /usr/share/man/man3/TAP.Harness.Beyond.3pm.gz: whatis parse for TAP.Harness.Beyond(3pm) failed