K 10
svn:author
V 6
marius
K 8
svn:date
V 27
2011-04-10T09:35:44.303097Z
K 7
svn:log
V 142
MFC: r220046, r220106

Wait until the DMA engine is stopped before unmapping buffers and
descriptors, which fixes DMA errors seen on sparc64.

END