K 10
svn:author
V 7
weongyo
K 8
svn:date
V 27
2009-10-14T20:09:09.838162Z
K 7
svn:log
V 178
fixes a TX hang bug that it could happen when if_start callback didn't
be restarted by full of the output queue.

MFC after:	3 days
Tested by:	bsduser <bsd at acd.homelinux.org>

END