My observer node seems to be stalled:
2278085ms th_a fork_database.cpp:57 push_block ] Pushing block to fork database that failed to link: 000042dd3748a501c13dee0a0c98aff2adab3bc6, 17117
2278085ms th_a fork_database.cpp:58 push_block ] Head: 17100, 000042cc1ae61f87f5417f66d42218140711fa97
2278086ms th_a application.cpp:416 handle_block ] Error when pushing block:
3080000 unlinkable_block_exception: unlinkable block
block does not link to known chain
{}
th_a fork_database.cpp:79 _push_block
{"new_block":{"previous":"000042dc84a2770bec7112325bef03929676a466","timestamp":"2015-10-03T04:21:36","witness":"1.6.2","transaction_merkle_root":"0000000000000000000000000000000000000000","extensions":[],"witness_signature":"1f3a3c7837024faadcac1f00e38147e424cc1b28dba94c9aee5aacffc94196f62056fc51c7ac435762b2eac0a271ab54c350853e1f061e831afc10186c6f25b294","transactions":[]}}
th_a db_block.cpp:195 _push_block
2306158ms th_a application.cpp:699 get_blockchain_synop ] synopsis: ["000042401b2d832712476acd65d286b9cd63e892","00004287828414dd010154dad121998d27f079d7","000042aa00cd6e6868673ab8b25e53aa6550a28b","000042bcaaf7dd2e4ec006534c6a4ade447d7e9d","000042c5e709fdaf2de9875c073b46586e57774e","000042c92bfcfc5b20e1f8e68ddfe8d79e44adc8","000042cbec1178af47476035878ff4410e59dcc8","000042cc1ae61f87f5417f66d42218140711fa97"]