K 10
svn:author
V 7
glebius
K 8
svn:date
V 27
2015-05-30T08:01:16.348277Z
K 7
svn:log
V 126
Fix an error I made in r283655. We need to sleep while we DON'T have an mbuf.

Submitted by:	Tiwei Bie <btw mail.ustc.edu.cn>

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