Ok Thanks, could you try to run cuda-memcheck on the release version.
~/VanitySearch-1.8$ /usr/local/cuda-8.0/bin/cuda-memcheck --tool memcheck VanitySearch -g 1 -check
========= CUDA-MEMCHECK
GetBase10() Results OK
Add() Results OK : 123.457 MegaAdd/sec
Mult() Results OK : 23.148 MegaMult/sec
Div() Results OK : 5.208 MegaDiv/sec
ModInv()/ModExp() Results OK
ModInv() : 341.317 KiloInv/sec
IntGroup.ModInv() : 9.130 MegaInv/sec
ModMulK1() : 12.968 MegaMult/sec
ModSqrt() OK !
Check Generator :OK
Check Double :OK
Check Add :OK
Check GenKey :OK
Adress : 15t3Nt1zyMETkHbjJTTshxLnqPzQvAtdCe OK!
Adress : 1BoatSLRHtKNngkdXEeobR76b53LETtpyT OK!
Adress : 1JeanLucgidKHxfY5gkqGmoVjo1yaU4EDt OK(comp)!
Adress : 1Test6BNjSJC5qwYXsjwKVLvz7DpfLehy OK!
Adress : 1BitcoinP7vnLpsUHWbzDALyJKnNo16Qms OK(comp)!
Check Calc PubKey (full) 1ViViGLEawN27xRzGrEhhYPQrZiTKvKLo :OK
Check Calc PubKey (even) 1Gp7rQ4GdooysEAEJAS2o4Ktjvf1tZCihp:OK
Check Calc PubKey (odd) 18aPiLmTow7Xgu96msrDYvSSWweCvB9oBA:OK
GPU: GPU #0 Quadro M2200 (8x128 cores) Grid(1x128)
Seed: 223215
95.697 KiloKey/sec
ComputeKeys() found 26 items , CPU check...
Expected item not found 3412bb65 cb39a716 67dcd486 209b19df c65e364c
Expected item not found fefea644 d535267a 46308e46 c579e91b 0aad3ee2
Expected item not found 3412726b 9830f325 9c5f0d95 a99e2a9b 6c473922
Expected item not found 341292e1 b4a39d2c 59e34f3d 38725b42 dfc2e801
Expected item not found fefeba57 c1209e3d 1b79200c b9529018 de0e35e4
Expected item not found fefe4aaa 34f02402 4ed76c83 a1d60efc 8c79f7a6
Expected item not found fefe8742 63e9b7bc b13a08f1 28229fd8 30987ed3
CPU found 22 items
========= ERROR SUMMARY: 0 errors