/usr/share/man/man1/qemu-system-ppcemb.1.gz is in qemu-system 1.0.50-2012.03-0ubuntu2.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/man/man1/qemu-system.1.gz
/usr/share/man/man1/qemu-system.1.gz