Communication lockup and subsequent emptool segfault went away when I reverted to dev 1.0 image from 1.01b2 (I was trying it in attempt to solve a DHCP-related player reboot problem, unsuccesfully).

Cheers!

Dragi "Bonzi" Raos
Zagreb, Croatia
Q#5196, MkII#80000376, 18GB green
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Dragi "Bonzi" Raos Q#5196 MkII #080000376, 18GB green MkIIa #040103247, 60GB blue