Definitely some memory related issues (memtest86 ran last night)
Result summary
| Test Start Time | 2017-09-28 19:49:28 |
| Elapsed Time | 3:12:25 |
| Memory Range Tested | 0x0 - 180000000 (6144MB) |
| CPU Selection Mode | Single: CPU # 0 |
| ECC Polling | Enabled |
| # Tests Passed | 2/24 (8%) |
| Lowest Error Address | 0x5F88020 (95MB) |
| Highest Error Address | 0x7F8A9F0 (127MB) |
| Bits in Error Mask | 0000000000000053 |
| Bits in Error | 4 |
| Max Contiguous Errors | 2 |
| Test | # Tests Passed | Errors |
| Test 0 [Address test, walking ones, 1 CPU] | 2/2 (100%) | 0 |
| Test 1 [Address test, own address, 1 CPU] | 0/2 (0%) | 1503 |
| Test 2 [Address test, own address] | 0/2 (0%) | 1524 |
| Test 3 [Moving inversions, ones & zeroes] | 0/2 (0%) | 24760 |
| Test 4 [Moving inversions, 8-bit pattern] | 0/2 (0%) | 98489 |
| Test 5 [Moving inversions, random pattern] | 0/2 (0%) | 122856 |
| Test 6 [Block move, 64-byte blocks] | 0/2 (0%) | 4617 |
| Test 7 [Moving inversions, 32-bit pattern] | 0/2 (0%) | 395764 |
| Test 8 [Random number sequence] | 0/2 (0%) | 49217 |
| Test 9 [Modulo 20, ones & zeros] | 0/2 (0%) | 6147 |
| Test 10 [Bit fade test, 2 patterns, 1 CPU] | 0/2 (0%) | 3098 |
| Test 13 [Hammer test] | 0/2 (0%) | 16988 |
| Last 10 Errors |
| [Data Error] Test: 13, CPU: 0, Address: 7F89FF8, Expected: 7B2E687A, Actual: 7B2E6838 |
| [Data Error] Test: 13, CPU: 0, Address: 7F89FF0, Expected: 0DE28A00, Actual: 0DE28A02 |
| [Data Error] Test: 13, CPU: 0, Address: 7F89FE8, Expected: 3674E4D6, Actual: 3674E494 |
| [Data Error] Test: 13, CPU: 0, Address: 7F89FD8, Expected: 3BDE0072, Actual: 3BDE0063 |
| [Data Error] Test: 13, CPU: 0, Address: 7F89FD0, Expected: 368E3038, Actual: 368E3039 |
| [Data Error] Test: 13, CPU: 0, Address: 7F89FC8, Expected: 413D374E, Actual: 413D375F |
| [Data Error] Test: 13, CPU: 0, Address: 7F89FC0, Expected: 01F80F34, Actual: 01F80F35 |
| [Data Error] Test: 13, CPU: 0, Address: 7F89FB8, Expected: 71EB456A, Actual: 71EB452A |
| [Data Error] Test: 13, CPU: 0, Address: 7F89FA8, Expected: 106226C6, Actual: 10622686 |
| [Data Error] Test: 13, CPU: 0, Address: 7F89F98, Expected: 53191762, Actual: 53191772 |
