Hard lockup (Ctrl-C didn't work)

[gavofyork]

2018-05-30 06:57:54 IO Worker #1 DEBUG sync  Propagating transactions
^C2018-05-30 06:57:59 main TRACE sync  Disconnecting 5: parity-polkadot/0.1.0
2018-05-30 06:57:59 main TRACE sync  Disconnecting 6: parity-polkadot/0.1.0
2018-05-30 06:57:59 main TRACE sync  Disconnecting 24: parity-polkadot/0.1.0
2018-05-30 06:57:59 main TRACE sync  Disconnecting 25: parity-polkadot/0.1.0

^Cthread '<unnamed>' panicked at 'Error sending exit notification: SendError("...")', libcore/result.rs:945:5
note: Run with `RUST_BACKTRACE=1` for a backtrace.
^C

^C^C^C^C^C






q
q
^C
^Z
[1]+  Stopped                 RUST_LOG="bft=trace,sync=trace" polkadot --validator --key ... --chain=poc-1 -d ~/pddb