SIGRTMAX is used internally by valgrind

Signed-off-by: Mattias Andrée <maandree@operamail.com>
kernel: remove umask until we exec into mds-server

Signed-off-by: Mattias Andrée <maandree@operamail.com>
m todo

Signed-off-by: Mattias Andrée <maandree@operamail.com>