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MacBook-Pro:tmp joeykrug2$ geth upgradedb
Welcome to the FRONTIER
Upgrade blockchain DB
I0420 13:20:05.857311 24401 backend.go:186] Protocol Version: 60, Network Id: 0
I0420 13:20:05.857337 24401 backend.go:196] Blockchain DB Version: 2
panic: runtime error: invalid memory address or nil pointer dereference
[signal 0xb code=0x1 addr=0x0 pc=0x40bc0ca]
goroutine 1 [running]:
github.com/ethereum/go-ethereum/core/types.(*Block).Hash(0x0, 0x0, 0x0, 0x0, 0x0)