Memtest86 failed three times (2 hours), twice (20 minutes), and then nine times (10 hours)

michaelkm8 · Jul 26, 2015

As the title says my ram failed memtest86. For the first test I had the following:
- Mushkin redline enhanced 4x4 2133 MHz (16GB) @ 2133 MHz, 9-11-10-28, 1.65 V

For the second and third test:
- Mushkin redline enhanced 4x4 2133 MHz (16GB) @ 2133 MHz, 9-11-11-28, 1.655 V

Should I just RMA it, got it Friday, or should I adjust the settings to make it stable? This is the first time i've dealt with testing computer hardware so I don't know what to do after something fails. Thanks again for all the help.

Update:
- Running Memtest86 V 4.3.
- Mushkin Enhanced Redline 8GB (2 x 4GB) 240-Pin DDR3 SDRAM DDR3 2133 (PC3 17000) Desktop Memory Model 996996

junkeymonkey · Jul 26, 2015

try this memtest86+ and see if you get the same results also i think that older test maybe the issue as well ?? may not support newer components

http://www.memtest.org/

http://www.memtest86.com/download.htm

Deleted member 217926 · Jul 26, 2015

What motherboard and CPU are you using the RAM with?

ccampy · Jul 26, 2015

At use running custom.timing's or jdec/xmp profiles

michaelkm8 · Jul 26, 2015

junkeymonkey :

Thanks!

michaelkm8 · Jul 26, 2015

Intel I5-4690K (Not overclocked just running standard)
Gigabyte Gaming GT motherboard

michaelkm8 · Jul 26, 2015

ccampy :

I have profile 1 activated for XMP and am running the ram @ 2133 MHz with custom timings 9-11-11-28 1.655 V. The timings are from the manufacturers specifications.

michaelkm8 · Jul 26, 2015

Also, the ram is good until test 13. And does anyone know why it says "memory latency: 19.073 ns"?

michaelkm8 · Jul 26, 2015

junkeymonkey :

I did memtest86 V 6 and it only gave one error in test 13.

junkeymonkey · Jul 26, 2015

don't know ?? I only used the one from memtest. org so I don't know what kind of difference between them are ? I think like the one guy asked [anort3] is post your full system specs

michaelkm8 · Jul 26, 2015

junkeymonkey :

I5-4690K
Gigabyte Gaming GT
Gigabyte GTX 970
Mushkin Redline enhanced 4x4 16GB 2133 MHz
Samsung 850 EVO 500GB
Corsair AX850 80+ Gold PSU

Tradesman1 · Jul 26, 2015

Try 4-5 passes on each stick individually, testing with multiple sticks can create (false) errors, test 13 is the Hammer test which has produced errors for many, though the systems themselves haven't really been effected negatively. If errors persist can try adding a bit of voltage to the MC (memory controller) maybe + 0.06 to, believe it's the CPUVTT or DDRVTT voltage

michaelkm8 · Jul 26, 2015

Tradesman1 :

Will do.

Tradesman1 · Jul 26, 2015

Drop an update

michaelkm8 · Jul 26, 2015

Tradesman1 :

Gonna be a few days!

Tradesman1 · Jul 26, 2015

No worries

Will be around

junkeymonkey · Jul 26, 2015

ya, I was reading thid part of form memtest ''Why am I only getting errors during Test 13 Hammer Test?''

http://www.memtest86.com/troubleshooting.htm

so it may only be the nature or bug of that test 13 ??? may not be any real issue ??

Tradesman1 · Jul 26, 2015

Have seen people get the errors but no problems with their rigs

junkeymonkey · Jul 26, 2015

well I don't know on that memtest86 ? I never used it I use the memtest 86+ from memtest.org and it looks to be different ?? I guess I need to try it and see whats what ?

michaelkm8 · Jul 28, 2015

So I contacted the tech department at Mushkin and told them the ram failed with 22 single bit errors in test 13 and specified it was the hammer test. They emailed me a few minutes later apologizing and sent me a shipping label to RMA them. I only asked if this would be a problem and didn't ask for a refund or replacements, so either they know it would be a problem or they didn't want to bother with it.

Tradesman1 · Jul 28, 2015

Let us know how the replacements work

michaelkm8 · Jul 28, 2015

Tradesman1 :

I will. I'll do the full test when I get them.

junkeymonkey · Jul 28, 2015

same here - but did you run the memtest86+ to see if it gave errors as well ? that f.a.q from the passmark memtest seems to state its a known issue in some ways [hammer test 13 ] ?? so it may not be your memory at all ??

it not going to hurt anything but down time to do the rma and it may resolve as well ?? time will tell on that

good luck

michaelkm8 · Jul 31, 2015

So I talked to a tech at Mushkin about the hammertest and he said that they usually were false positives if only the hammertest were receiving errors. I downloaded Memtest86+ and ran it for almost 14 hours and it ran through 6 full tests and I received zero errors. Again Memtest86 only gave me errors in test 13 so i'm inclined to agree with Mushkin about the reliability of the ram modules I bought. I am going to read the paper about the hammer test maybe this weekend and i'll update what I get from it, but here are my initial thoughts about the bit flipping. First something of this nature is obviously a quantum problem and relates to quantum tunneling or the probability of energy being located in a certain position over a certain amount of time. This being said for this effect to be realistic in terms of normal everyday use the ram would need to be heavily used so that each row was activated within a time frame that allowed it to be activated simultaneously in conjunction with a row in a position so that one un-activated row were between them. From what I have read the probability of every day use computers that do gaming, emails, 3D printing applications, and other such processes have a low probability of "hammering rows" in such a way. This leads one to understand that this effect will most likely occur under extreme conditions and by chance, although the chance will be slight. Again this is my first impression and I'll update later as the only answers I've gotten from the Memtest people are that errors are absolute, and from the Mushkin people that say they are false positives.

Tradesman1 · Jul 31, 2015

As mentioned earlier have seen rigs get the 13 Hammer errors but haven't seen any problems, many report these as false errors as they have no problems with their rig other than the test, and it isn't consistent

Memtest86 failed three times (2 hours), twice (20 minutes), and then nine times (10 hours)

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