Videlicet, latest nexus cli wallet compiled from head is segfaulting under linux:
$ ./nexus -debug -logtimestamps -printtoconsole
Nexus version 0.2.2.3 - LLD Stable (January 5th, 2017)
Default data directory /home/skunk/.Nexus
Initializing Unified Time...
***** Unified Time Initialized to 0
Loading addresses...
dbenv.open LogDir=/home/skunk/.Nexus/database ErrorFile=/home/skunk/.Nexus/db.log
0 Host: node1.nexusearth.com
DNS Seed: 104.192.170.130
Added 104.192.170.130:9323 from 104.192.170.130: 0 tried, 1 new
1 Host: node1.mercuryminer.com
DNS Seed: 52.63.26.48
20 Host: node7.mercuryminer.com
DNS Seed: 54.173.118.111
Added 54.173.118.111:9323 from 54.173.118.111: 0 tried, 17 new
21 Host: node7.nxs.efficienthash.com
DNS Seed: 35.167.17.105
Added 35.167.17.105:9323 from 35.167.17.105: 0 tried, 18 new
22 Host: node8.nexusearth.com
23 Host: node8.mercuryminer.com
DNS Seed: 52.57.54.37
Added 52.57.54.37:9323 from 52.57.54.37: 0 tried, 19 new
24 Host: node8.nxs.efficienthash.com
DNS Seed: 52.34.127.167
Added 52.34.127.167:9323 from 52.34.127.167: 0 tried, 20 new
25 Host: node9.nexusearth.com
26 Host: node9.mercuryminer.com
27 Host: node9.nxs.efficienthash.com
Loaded 1056 addresses
addresses 18ms
Loading block index...
Nexus Network: genesis=0x00000bb8601315185a0d nBitsLimit=0x8007ffff nBitsInitial=0x8001ffff nCoinbaseMaturity=100
DNS Seed: 52.34.189.250
Added 52.34.189.250:9323 from 52.34.189.250: 17 tried, 1040 new
28 Host: node10.nexusearth.com
29 Host: node10.mercuryminer.com
DNS Seed: 58.6.103.173
30 Host: node10.nxs.efficienthash.com
DNS Seed: 52.14.2.93
Added 52.14.2.93:9323 from 52.14.2.93: 17 tried, 1041 new
31 Host: node11.nexusearth.com
32 Host: node11.mercuryminer.com
DNS Seed: 23.92.86.148
33 Host: node11.nxs.efficienthash.com
DNS Seed: 35.154.123.88
Added 35.154.123.88:9323 from 35.154.123.88: 17 tried, 1042 new
34 Host: node12.nexusearth.com
35 Host: node12.mercuryminer.com
DNS Seed: 52.27.153.235
36 Host: node12.nxs.efficienthash.com
DNS Seed: 54.94.154.228
Added 54.94.154.228:9323 from 54.94.154.228: 17 tried, 1043 new
37 Host: node13.nexusearth.com
38 Host: node13.mercuryminer.comnode13.nxs.efficienthash.com
39 Host: (null)
Segmentation fault
while checking out 668cec832811d60f3ca270eb1ceeff65eac42a13 makes it work again...
since commit d35aea2f92264ff6e38ec3e64c3219ce158e9577 is a trivial seed nodes update, is it possible that some of the new nodes is the cause?