Memtest errors on brand new ram

[perithimus]

Just got this ram yesterday. Only getting error on test 13 hammer test. Here's a screenshot of the error. Ram is the corsair vengeance cmz16gx3m2a1600c10

[David (PassMark)]

You post doesn't contain any questions, but I am guessing you are wanting additional information about the row hammer errors.

This page on row hammer errors should help.

[perithimus]

Second set of ram. Got errors on test 8 this time

Report Date	2015-10-18 05:14:28
Generated by	MemTest86 V6.2.0 Free (64-bit)
Result	FAIL

System Information

EFI Specifications	2.31
CPU Type	Intel Core i7-4790S @ 3.20GHz
CPU Clock	3200 MHz [Turbo: 4000.0 MHz]
# Logical Processors	8
L1 Cache	4 x 64K (160348 MB/s)
L2 Cache	4 x 256K (60981 MB/s)
L3 Cache	8192K (43701 MB/s)
Memory	16431M (20029 MB/s)
DIMM Slot #0	8GB DDR3 XMP PC3-12800
	/ CMZ16GX3M2A1600C10
	10-10-10-27 / 800 MHz / 1.500V
DIMM Slot #1	8GB DDR3 XMP PC3-12800
	/ CMZ16GX3M2A1600C10
	10-10-10-27 / 800 MHz / 1.500V

Result summary

Test Start Time	2015-10-18 00:00:05
Elapsed Time	5:14:00
Memory Range Tested	0x0 - 42FE00000 (17150MB)
CPU Selection Mode	Single: CPU # 0
# Tests Passed	22/23 (95%)

Lowest Error Address	0x323E9C2B0 (12862MB)
Highest Error Address	0x326927FE8 (12905MB)
Bits in Error Mask	00000000FF000000
Bits in Error	8
Max Contiguous Errors	1

Test	# Tests Passed	Errors
Test 0 [Address test, walking ones, 1 CPU]	2/2 (100%)	0
Test 1 [Address test, own address, 1 CPU]	2/2 (100%)	0
Test 2 [Address test, own address]	2/2 (100%)	0
Test 3 [Moving inversions, ones & zeroes]	2/2 (100%)	0
Test 4 [Moving inversions, 8-bit pattern]	2/2 (100%)	0
Test 5 [Moving inversions, random pattern]	2/2 (100%)	0
Test 6 [Block move, 64-byte blocks]	2/2 (100%)	0
Test 7 [Moving inversions, 32-bit pattern]	2/2 (100%)	0
Test 8 [Random number sequence]	1/2 (50%)	36
Test 9 [Modulo 20, ones & zeros]	2/2 (100%)	0
Test 10 [Bit fade test, 2 patterns, 1 CPU]	2/2 (100%)	0
Test 13 [Hammer test]	1/1 (100%)	2810

Last 10 Errors

[Data Error] Test: 13, CPU: 0, Address: 326927FE8, Expected: FFFFFFFF, Actual: D2FFFFFF

[Data Error] Test: 13, CPU: 0, Address: 326927FA8, Expected: FFFFFFFF, Actual: 97FFFFFF

[Data Error] Test: 13, CPU: 0, Address: 326927E68, Expected: FFFFFFFF, Actual: 47FFFFFF

[Data Error] Test: 13, CPU: 0, Address: 326927E28, Expected: FFFFFFFF, Actual: 0DFFFFFF

[Data Error] Test: 13, CPU: 0, Address: 326927D68, Expected: FFFFFFFF, Actual: 0DFFFFFF

[Data Error] Test: 13, CPU: 0, Address: 326927D28, Expected: FFFFFFFF, Actual: E0FFFFFF

[Data Error] Test: 13, CPU: 0, Address: 326927CE8, Expected: FFFFFFFF, Actual: 6BFFFFFF

[Data Error] Test: 13, CPU: 0, Address: 326927CA8, Expected: FFFFFFFF, Actual: 86FFFFFF

[Data Error] Test: 13, CPU: 0, Address: 326927BE8, Expected: FFFFFFFF, Actual: FDFFFFFF

[Data Error] Test: 13, CPU: 0, Address: 326927BA8, Expected: FFFFFFFF, Actual: 9EFFFFFF

Certification

[keith]

They may be real errors. The errors in test 13 don't seem to fit the pattern of typical row hammer errors as they are multi-bit errors only on the upper memory address bits.

Are you running the RAM using default timings, or the more aggressive XMP timings.

Also, it would be good to test with only 1 stick of RAM, and with different RAM model (especially one listed in the list of known supported RAM for the motherboard) and see if you get different results.

[perithimus]

I used 2 sets of the corsair which gave errors. I tested a set of gskill that I had with no errors on those. I'm just going to run the gskill from now on.

[kaan]

+1

Similar experience with Corsair Dominator's, I also questioned everything about life during the process, at this point I'm just hoping just those Corsair's were faulty and nothing else