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  • Memtest86 errors, but all ram is fine? (out of options)

    Hi everyone! I'm new to this forum but I've seen that the people here have alot of knowledge regarding these kind of issues!
    I recently built an amazing piece of machine with alot of decent components.
    However I've already had my fair share of issues since I first assembled it. BSODS.
    These types of BSODS could differ in messages from memory_management to other types which I for now can't recall. I even had crasches on games without any BSODS, all in all some general instability issues.

    I want to recall that all problems started when I first bought 2 extra sticks of ram (G.Skill 3200mhz CL 14) and plugged it in my current build making my PC 4 x 8GB 3200Mhz Cl 14.
    To make sure that the issues was infact memory related I ran memtest86 with all 4 sicks in to see if it was the sticks of ram causing my issues.
    I ran 4 passes and these are the general results.

    Tests passed 43/48 89%
    Test 0 Error 0
    Test 1 Error 0
    Test 2 Error 0
    Test 3 Error 0
    Test 4 Error 0
    Test 5 Error 0
    Test 6 Error 2
    Test 7 Error 6
    Test 8 Error 0
    Test 9 Error 1
    Test 10 Error 0
    Test 13 Error 0

    Since I got errors in test 6,7,9 I chose to run the sticks one at a time in slot 1 to pinpoint the faulty memory.
    I ran all 4 in in slot 1 in passes of 4 And recieved NO errors what so ever.


    I then plugged in all 4 and ran the test again to make sure that the test was in fact true and got the following test results with all 4 memories in passes of 4

    Tests passed 44/48 91%
    Test 0 Error 0
    Test 1 Error 0
    Test 2 Error 0
    Test 3 Error 0
    Test 4 Error 0
    Test 5 Error 0
    Test 6 Error 2
    Test 7 Error 6
    Test 8 Error 0
    Test 9 Error 0
    Test 10 Error 0
    Test 13 Error 0

    The test again showed me the same errors in test 6 and 7.

    To exclude any faulty memoryslot on the motherboard I ran the same memorystick in all 4 different slots with no errors.

    I've run the memtest86 once again with all 4 to be able to post the HTML for the test:

    file:///D:/EFI/BOOT/MemTest86-Report-20180117-001047.html






    I've now come to a dead end.
    Next step would be to run 2 sticks at a time in the different slots and try different combinations. But I'm starting to question how far I'm willing to go.
    Should I RMA the sticks ? Try them in a different rig? RMA the motherboard?
    I'm tired and clueless. I'm truly grateful for any possible help.

    OS: Windows 10 Pro, latest updates
    Processor: Intel Core i7 8700K
    Processorcooler: NZXT Kraken X52
    Motherboard: Gigabyte Aorus 7, Bios F5e
    Memory 4 x 8GB G-Skill 3200mhz CL14, running on XMP profile
    GPU: Geforce 780 TI
    HDD: Samsung ssd 960 evo m.2 + 7200rpm Seagate Barracuda
    PSU: Corsair Powersupply (PSU) RM850i 850W
    Other cooling: 3x120mm in (front) och 3x120mm out (back + top)
    Temps: around 27C in the box (No overheating problems).

  • #2
    ...to be able to post the HTML for the test
    That HTML file didn't appear in your post. So I think you didn't attach it correctly. You could also just copy / past the error details from it.

    When you use more than 1 stick (in the correct slots) then the CPU uses the RAM in dual channel mode.
    We have seen it fairly often that dual channel mode made results in different errors compared to single channel.
    Also using lots of sticks can place higher electrical load on the system. i.e. they draw more current, which means slightly higher voltage drop. And if the sticks are marginal, then this can be enough to put them into fault.

    So you could continue to debug them, or try and replace them.
    Some debugging steps might be,
    - Run them without XMP mode (i.e. at slower clock speeds).
    - Slightly increase the voltage levels manually in BIOS
    - Run 2 sticks at a time rather than 4
    - Try the same sticks in another motherboard
    - Try some known good sticks in the current system

    Comment


    • #3
      Hi David! And thank you for such a great answer!
      I'm currently at work but ill send a link to the HTML file when I get home!

      what I've done so far is to update bios (apparently a new update came early in January)

      after that I ran all 4 sticks without the XMP profile at the "recommended" settings set by the bios.
      not sure what it ran at but I want to recall it was 2133mhz. I ran the test in 4 passes (I'll add the link later today for the html report), no found errors.

      after this I ran the test again with all 4 sticks in XMP profile, and cpu OC to 4.7Ghz (CPU was never clicked during my earlier tests) and got multiple errors in test 6,7,9 (a lot more than before).

      this concludes what you just said regarding the electrical load. The faults seem to come from an electrical instability more than the memory sticks.
      however, do you think I would get the same results if I RMA the RAM sticks and got newer ones?

      thank you again David, I truly appreciate your help.
      kind regards.

      Comment


      • #4
        Unfortunately, I did not save the report when no errors were found when all 4 sticks were in. I could try and turn off the XMP profile over night and see the results and post them here within 24hours.

        These are the reports before upgrading the BIOS and after updating BIOS.
        [IMG]file:///D:/EFI/BOOT/mt86.png[/IMG]
        Summary
        Report Date 2018-01-17 06:43:41
        Generated by MemTest86 V7.4 Free (64-bit)
        Result FAIL
        System Information
        EFI Specifications 2.60
        System
        Manufacturer Gigabyte Technology Co., Ltd.
        Product Name Z370 AORUS Gaming 7
        Version Default string
        Serial Number Default string
        BIOS
        Vendor American Megatrends Inc.
        Version F5e
        Release Date 11/16/2017
        Baseboard
        Manufacturer Gigabyte Technology Co., Ltd.
        Product Name Z370 AORUS Gaming 7
        Version x.x
        Serial Number Default string
        CPU Type Intel Core i7-8700K @ 3.70GHz
        CPU Clock 3734 MHz [Turbo: 4743.0 MHz]
        # Logical Processors 12 (6 enabled for testing)
        L1 Cache 4 x 64K (296393 MB/s)
        L2 Cache 4 x 256K (132044 MB/s)
        L3 Cache 12288K (45111 MB/s)
        Memory 32726M (30029 MB/s)
        DIMM Slot #0 8GB DDR4 XMP PC4-25600
        G Skill Intl / F4-3200C14-8GTZR
        14-14-14-34 / 3200 MHz / 1.350V
        DIMM Slot #1 8GB DDR4 XMP PC4-25600
        G Skill Intl / F4-3200C14-8GTZR
        14-14-14-34 / 3200 MHz / 1.350V
        DIMM Slot #2 8GB DDR4 XMP PC4-25600
        G Skill Intl / F4-3200C14-8GTZR
        14-14-14-34 / 3200 MHz / 1.350V
        DIMM Slot #3 8GB DDR4 XMP PC4-25600
        G Skill Intl / F4-3200C14-8GTZR
        14-14-14-34 / 3200 MHz / 1.350V
        Result summary
        Test Start Time 2018-01-17 00:10:47
        Elapsed Time 5:03:54
        Memory Range Tested 0x0 - 82F000000 (33520MB)
        CPU Selection Mode Parallel (All CPUs)
        ECC Polling Enabled
        # Tests Passed 40/48 (83%)
        Lowest Error Address 0x5B5A0D284 (23386MB)
        Highest Error Address 0x7FCD7EBC4 (32717MB)
        Bits in Error Mask 0000000003802000
        Bits in Error 4
        Max Contiguous Errors 1
        Test # Tests Passed Errors
        Test 0 [Address test, walking ones, 1 CPU] 4/4 (100%) 0
        Test 1 [Address test, own address, 1 CPU] 4/4 (100%) 0
        Test 2 [Address test, own address] 4/4 (100%) 0
        Test 3 [Moving inversions, ones & zeroes] 4/4 (100%) 0
        Test 4 [Moving inversions, 8-bit pattern] 4/4 (100%) 0
        Test 5 [Moving inversions, random pattern] 4/4 (100%) 0
        Test 6 [Block move, 64-byte blocks] 2/4 (50%) 6
        Test 7 [Moving inversions, 32-bit pattern] 0/4 (0%) 9
        Test 8 [Random number sequence] 4/4 (100%) 0
        Test 9 [Modulo 20, ones & zeros] 2/4 (50%) 3
        Test 10 [Bit fade test, 2 patterns, 1 CPU] 4/4 (100%) 0
        Test 13 [Hammer test] 4/4 (100%) 0
        Last 10 Errors
        [Data Error] Test: 9, CPU: 4, Address: 7DE46DC84, Expected: 0FEBE0CD, Actual: 0EEBE0CD
        [Data Error] Test: 9, CPU: 10, Address: 5C29B5CC4, Expected: 836DB0FA, Actual: 816DB0FA
        [Data Error] Test: 7, CPU: 4, Address: 7DEA91F04, Expected: 20000000, Actual: 20002000
        [Data Error] Test: 7, CPU: 2, Address: 6EAD7A004, Expected: 02000000, Actual: 00000000
        [Data Error] Test: 7, CPU: 2, Address: 642758D44, Expected: 00002000, Actual: 00000000
        [Data Error] Test: 7, CPU: 4, Address: 5B5A0D284, Expected: FDFFFFFF, Actual: FFFFFFFF
        [Data Error] Test: 9, CPU: 8, Address: 70E0A54C4, Expected: 80BFE8CB, Actual: 82BFE8CB
        [Data Error] Test: 7, CPU: 2, Address: 7C06D3344, Expected: 02000000, Actual: 00000000
        [Data Error] Test: 7, CPU: 6, Address: 76A93E6C4, Expected: FDFFFFFF, Actual: FFFFFFFF
        [Data Error] Test: 7, CPU: 2, Address: 732A08444, Expected: FFFDFFFF, Actual: FFFDDFFF
        Certification
        This document certifies that the Tests described above have been carried out by a suitably qualified technician on the System described above.
        Signed

        ___________________________

        Put your company name here:
        Level 5, 63 Foveaux St, Surry Hills, 2010, Sydney, Australia
        Phone + 61 2 9690 0444 Fax + 61 2 9690 0445
        E-Mail: info@passmark.com


        This is the first test with the first errors as was asked to link above.
        Notice that the Bios has been updated after this





        Summary
        Report Date
        2018-01-18 08:51:16
        Generated by
        MemTest86 V7.4 Free (64-bit)
        Result
        FAIL
        System Information
        EFI Specifications
        2.60
        System

        Manufacturer
        Gigabyte Technology Co., Ltd.
        Product Name
        Z370 AORUS Gaming 7
        Version
        Default string
        Serial Number
        Default string
        BIOS

        Vendor
        American Megatrends Inc.
        Version
        F5l
        Release Date
        01/10/2018
        Baseboard

        Manufacturer
        Gigabyte Technology Co., Ltd.
        Product Name
        Z370 AORUS Gaming 7
        Version
        x.x
        Serial Number
        Default string
        CPU Type
        Intel Core i7-8700K @ 3.70GHz
        CPU Clock
        3734 MHz [Turbo: 4743.0 MHz]
        # Logical Processors
        12 (6 enabled for testing)
        L1 Cache
        4 x 64K (301161 MB/s)
        L2 Cache
        4 x 256K (131664 MB/s)
        L3 Cache
        12288K (52919 MB/s)
        Memory
        32726M (30707 MB/s)
        DIMM Slot #0
        8GB DDR4 XMP PC4-25600

        G Skill Intl / F4-3200C14-8GTZR

        14-14-14-34 / 3200 MHz / 1.350V
        DIMM Slot #1
        8GB DDR4 XMP PC4-25600

        G Skill Intl / F4-3200C14-8GTZR

        14-14-14-34 / 3200 MHz / 1.350V
        DIMM Slot #2
        8GB DDR4 XMP PC4-25600

        G Skill Intl / F4-3200C14-8GTZR

        14-14-14-34 / 3200 MHz / 1.350V
        DIMM Slot #3
        8GB DDR4 XMP PC4-25600

        G Skill Intl / F4-3200C14-8GTZR

        14-14-14-34 / 3200 MHz / 1.350V
        Result summary
        Test Start Time
        2018-01-18 02:49:22
        Elapsed Time
        5:03:35
        Memory Range Tested
        0x0 - 82F000000 (33520MB)
        CPU Selection Mode
        Parallel (All CPUs)
        ECC Polling
        Enabled
        # Tests Passed
        33/48 (68%)
        Lowest Error Address
        0x2EE99F984 (12009MB)
        Highest Error Address
        0x7F5DF1544 (32605MB)
        Bits in Error Mask
        0000000012886400
        Bits in Error
        7
        Max Contiguous Errors
        1
        Test
        # Tests Passed
        Errors
        Test 0 [Address test, walking ones, 1 CPU]
        4/4 (100%)
        0
        Test 1 [Address test, own address, 1 CPU]
        4/4 (100%)
        0
        Test 2 [Address test, own address]
        4/4 (100%)
        0
        Test 3 [Moving inversions, ones & zeroes]
        4/4 (100%)
        0
        Test 4 [Moving inversions, 8-bit pattern]
        4/4 (100%)
        0
        Test 5 [Moving inversions, random pattern]
        2/4 (50%)
        3
        Test 6 [Block move, 64-byte blocks]
        0/4 (0%)
        62
        Test 7 [Moving inversions, 32-bit pattern]
        0/4 (0%)
        13
        Test 8 [Random number sequence]
        3/4 (75%)
        2
        Test 9 [Modulo 20, ones & zeros]
        0/4 (0%)
        20
        Test 10 [Bit fade test, 2 patterns, 1 CPU]
        4/4 (100%)
        0
        Test 13 [Hammer test]
        4/4 (100%)
        0
        Last 10 Errors
        [Data Error] Test: 9, CPU: 8, Address: 7266C2A44, Expected: 60C8554A, Actual: 62C8554A
        [Data Error] Test: 9, CPU: 6, Address: 6F0DF5984, Expected: BF3E93AF, Actual: BD3E93AF
        [Data Error] Test: 9, CPU: 6, Address: 690838C44, Expected: 5B9D9ED3, Actual: 4B9D9ED3
        [Data Error] Test: 9, CPU: 0, Address: 65631D684, Expected: 196B3659, Actual: 1B6B3659
        [Data Error] Test: 9, CPU: 8, Address: 64D749C24, Expected: C28AE677, Actual: C28AA677
        [Data Error] Test: 9, CPU: 6, Address: 589FD6184, Expected: 17D49233, Actual: 17D4B233
        [Data Error] Test: 9, CPU: 0, Address: 45D8A5884, Expected: 6E4C0699, Actual: 6C4C0699
        [Data Error] Test: 9, CPU: 8, Address: 43C6C0804, Expected: 2CD8B129, Actual: 2ED8B129
        [Data Error] Test: 7, CPU: 4, Address: 7DD64B104, Expected: 00100000, Actual: 00102000
        [Data Error] Test: 7, CPU: 10, Address: 7BA8A6CC4, Expected: 00000200, Actual: 02000200
        Certification
        This document certifies that the Tests described above have been carried out by a suitably qualified technician on the System described above.
        Signed

        ___________________________
        Put your company name here:


        This is the last test after the BIOS update

        Kind Regards
        Last edited by paratroopa; 01-18-2018, 06:23 PM.

        Comment


        • #5
          and cpu OC to 4.7Ghz
          It doesn't make sense to start overclocking the CPU while trying to debug the RAM. You are just adding another layer of permutations and complexity.

          If you get RAM errors only in XMP mode, without a CPU overclock. Then either the RAM is bad, or the BIOS is bad (meaning the BIOS isn't setting the right voltage and timing values for XMP for this model of RAM). So you could try to tweak the BIOS settings to get it to work, or give up on XMP mode, or send them back for replacement.

          Comment


          • #6
            Thanks once again for responding.
            And yes, it really sounds stupid when you put it like that. I didn't clock for the sole purpose of overclocking to boost my CPU in power, however I wanted to compare the tests as close as possible.
            The turbo* frequency that was set by my BIOS was in fact 4700, this wasn't a frequency I set myself.
            I'll try test it one more time with the standard frequency of my CPU to make sure the RAM isn't the cause. Sorry for my mistake.
            Kind regards
            Last edited by paratroopa; 01-19-2018, 02:08 AM.

            Comment


            • #7
              As mentioned earlier, I changed the turbo option on my CPU from auto to base clock frequency, and I ran memtest again.
              Still fails on the test. Here's the result of the memtest.


              Kind regards

              Summary
              Report Date
              2018-01-19 12:44:27
              Generated by
              MemTest86 V7.4 Free (64-bit)
              Result
              FAIL
              System Information
              EFI Specifications
              2.60
              System

              Manufacturer
              Gigabyte Technology Co., Ltd.
              Product Name
              Z370 AORUS Gaming 7
              Version
              Default string
              Serial Number
              Default string
              BIOS

              Vendor
              American Megatrends Inc.
              Version
              F5l
              Release Date
              01/10/2018
              Baseboard

              Manufacturer
              Gigabyte Technology Co., Ltd.
              Product Name
              Z370 AORUS Gaming 7
              Version
              x.x
              Serial Number
              Default string
              CPU Type
              Intel Core i7-8700K @ 3.70GHz
              CPU Clock
              3734 MHz
              # Logical Processors
              12 (6 enabled for testing)
              L1 Cache
              4 x 64K (234569 MB/s)
              L2 Cache
              4 x 256K (99840 MB/s)
              L3 Cache
              12288K (42328 MB/s)
              Memory
              32726M (26605 MB/s)
              DIMM Slot #0
              8GB DDR4 XMP PC4-25600

              G Skill Intl / F4-3200C14-8GTZR

              14-14-14-34 / 3200 MHz / 1.350V
              DIMM Slot #1
              8GB DDR4 XMP PC4-25600

              G Skill Intl / F4-3200C14-8GTZR

              14-14-14-34 / 3200 MHz / 1.350V
              DIMM Slot #2
              8GB DDR4 XMP PC4-25600

              G Skill Intl / F4-3200C14-8GTZR

              14-14-14-34 / 3200 MHz / 1.350V
              DIMM Slot #3
              8GB DDR4 XMP PC4-25600

              G Skill Intl / F4-3200C14-8GTZR

              14-14-14-34 / 3200 MHz / 1.350V
              Result summary
              Test Start Time
              2018-01-19 03:11:20
              Elapsed Time
              5:41:56
              Memory Range Tested
              0x0 - 82F000000 (33520MB)
              CPU Selection Mode
              Parallel (All CPUs)
              ECC Polling
              Enabled
              # Tests Passed
              38/48 (79%)
              Lowest Error Address
              0x3672ECF74 (13938MB)
              Highest Error Address
              0x7EF4E2544 (32500MB)
              Bits in Error Mask
              0000000013086000
              Bits in Error
              6
              Max Contiguous Errors
              1
              Test
              # Tests Passed
              Errors
              Test 0 [Address test, walking ones, 1 CPU]
              4/4 (100%)
              0
              Test 1 [Address test, own address, 1 CPU]
              4/4 (100%)
              0
              Test 2 [Address test, own address]
              4/4 (100%)
              0
              Test 3 [Moving inversions, ones & zeroes]
              4/4 (100%)
              0
              Test 4 [Moving inversions, 8-bit pattern]
              4/4 (100%)
              0
              Test 5 [Moving inversions, random pattern]
              4/4 (100%)
              0
              Test 6 [Block move, 64-byte blocks]
              1/4 (25%)
              26
              Test 7 [Moving inversions, 32-bit pattern]
              2/4 (50%)
              6
              Test 8 [Random number sequence]
              3/4 (75%)
              1
              Test 9 [Modulo 20, ones & zeros]
              0/4 (0%)
              9
              Test 10 [Bit fade test, 2 patterns, 1 CPU]
              4/4 (100%)
              0
              Test 13 [Hammer test]
              4/4 (100%)
              0
              Last 10 Errors
              [Data Error] Test: 9, CPU: 8, Address: 725D78E04, Expected: 78F6F4D8, Actual: 7AF6F4D8
              [Data Error] Test: 9, CPU: 8, Address: 6DE46BA44, Expected: AA39E562, Actual: A839E562
              [Data Error] Test: 9, CPU: 6, Address: 5D220D984, Expected: 9B3F9BCC, Actual: 993F9BCC
              [Data Error] Test: 7, CPU: 0, Address: 7EF4E2544, Expected: 00020000, Actual: 00022000
              [Data Error] Test: 7, CPU: 0, Address: 657CE78C4, Expected: 02000000, Actual: 00000000
              [Data Error] Test: 7, CPU: 4, Address: 61420F0C4, Expected: 02000000, Actual: 00000000
              [Data Error] Test: 9, CPU: 0, Address: 7A6D7F2C4, Expected: 203CCD39, Actual: 303CCD39
              [Data Error] Test: 8, CPU: 8, Address: 3672ECF74, Expected: 048D6A10, Actual: 04856A10
              [Data Error] Test: 6, CPU: 8, Address: 76F916CC0, Expected: 00000010, Actual: 02000010
              [Data Error] Test: 6, CPU: 2, Address: 762556CC0, Expected: 00040000, Actual: 02040000
              Certification
              This document certifies that the Tests described above have been carried out by a suitably qualified technician on the System described above.
              Signed

              ___________________________
              Put your company name here:
              Last edited by paratroopa; 01-20-2018, 01:23 AM.

              Comment


              • #8
                Hello again!
                According to https://www.gskill.com/en/configurat...094&model=3109, recommended volt for my specific RAM when running XMP is supposed to be 1.35v.
                I could start tweaking in BIOS and adjusting the volt, but I'm more curious what you would do in my situation David. I don't see any clear fix for my specific issue more than RMA the memory sticks.

                The things I haven't yet tried is running the sticks 2 at a time in (1)(3) / (2)(4) / (1)(2) / (3)(4)
                I asked a friend that has the same motherboard and CPU to try running my sticks in an memtest. If no errors occur, It would probably mean that the problem is with my motherboard/motherboard slots rather than the sticks.

                Kind regards.

                Comment


                • #9
                  Hello!
                  This will be my last post!
                  I asked my friend with a similar spec to mine to test my ram sticks, this was to exclude any faulty motherboard slots (which was practically impossible due to no errors when testing 1 stick at a time in every single slot).
                  What he tried was to test the RAM in pairs, the first pair of RAM's he tried resulted in no errors in 4/4 passes. The second pair he tried (which was also the last set of rams I bought) got multiple errors in the memtest.
                  This concluded that it was in fact the RAM that was faulty, which was weird since I got no errors when trying the RAM's one at a time. The pair of RAM was failing when running 2 or more.

                  I returned the faulty RAM to the place I bought them and recieved a new pair. I tried the new pair together with my other set of ram in XMP profile and ran the memtest.
                  I've recieved no errors. And the system seems stable.

                  Thanks for all the help leading up to this point!

                  Comment


                  • #10
                    We have seen it a few times before that errors only appear in dual channel mode, but not single channel. There is a section on our trouble shooting page about it,
                    https://www.memtest86.com/troubleshooting.htm#channels

                    Glad to hear new RAM fixed the problem.

                    Comment

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