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Very inconsistent errors Memtest

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  • #1

    Very inconsistent errors Memtest

    So i've got Corsair Vengeance LPX 2x8 3200mhz ram, z390 aorus pro MOBO and i7 9700k

    I've been getting Chrome tabs Crashing and getting Blue screen errors with the error "MEMORY_MANAGEMENT''

    So I've decided to run Memtest but cannot Sometimes I do not get any errors and sometimes I get errors but different tests.

    First I had 20 errors on test 5 addr: "208d399fc"(different for every error) expected: 5ff7b339 actual: 5ff6b339 cpu: 3

    Than the second test I would get 20+ errors on test 4,5 and 6 Which i did not save
    another test I would get 30+ errors on test 10.
    And couple of tests I wouldn't get any errors, Maybe I see a pattern of loading windows first and going back and loading memtest from the usb.

    I have done tests on individual modules but the errors seem very inconsistent, sometimes no errors at all and sometimes I get a couple.

    Will be testing with both modules in dual band again soon, and afterwards will be testing with 2x8 2400mhz.


    I have a feeling that it is my CPU. Any suggestions or ideas what could be going on?


    Tags: None
  • #2
    RAM errors are most often caused by bad RAM. So the RAM should be the first suspect.

    Comment

    • #3
      Just ran a complete test without any errors, strangely. my head is breaking. Tomorrow another full memtest run both dual, than individual.

      Comment

      • #4
        Getting errors in dual channel mode but not in single channel is fairly common.
        Re-seating RAM can also change behaviour. As can temperature and EMI.

        Comment

        • #5
          Originally posted by David (PassMark) View Post
          Getting errors in dual channel mode but not in single channel is fairly common.
          Re-seating RAM can also change behaviour. As can temperature and EMI.
          Summary

          Report Date 2019-11-27 19:57:28
          Generated by MemTest86 V8.3 Free (64-bit)
          Result FAIL
          System Information

          EFI Specifications 2.60
          System
          Manufacturer Gigabyte Technology Co., Ltd.
          Product Name Z390 AORUS PRO
          Version Default string
          Serial Number Default string
          BIOS
          Vendor American Megatrends Inc.
          Version F10
          Release Date 06/05/2019
          Baseboard
          Manufacturer Gigabyte Technology Co., Ltd.
          Product Name Z390 AORUS PRO-CF
          Version x.x
          Serial Number Default string
          CPU Type Intel Core i7-9700K @ 3.60GHz
          CPU Clock 3646 MHz [Turbo: 4710.8 MHz]
          # Logical Processors 8
          L1 Cache 4 x 64K (282631 MB/s)
          L2 Cache 4 x 256K (121044 MB/s)
          L3 Cache 12288K (64013 MB/s)
          Memory 16326M (25518 MB/s)
          DIMM Slot #0 8GB DDR4 XMP PC4-25600
          Corsair / CMK16GX4M2B3200C16
          16-18-18-36 / 3200 MHz / 1.350V
          DIMM Slot #1 8GB DDR4 XMP PC4-25600
          Corsair / CMK16GX4M2B3200C16
          16-18-18-36 / 3200 MHz / 1.350V
          Result summary

          Test Start Time 2019-11-27 17:15:35
          Elapsed Time 2:33:48
          Memory Range Tested 0x0 - 4BE000000 (19424MB)
          CPU Selection Mode Parallel (All CPUs)
          ECC Polling Enabled
          # Tests Passed 46/48 (95%)
          Lowest Error Address 0x208D381A4 (8333MB)
          Highest Error Address 0x208D3D73C (8333MB)
          Bits in Error Mask 0000000000200000
          Bits in Error 1
          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] 4/4 (100%) 0
          Test 7 [Moving inversions, 32-bit pattern] 3/4 (75%) 57
          Test 8 [Random number sequence] 4/4 (100%) 0
          Test 9 [Modulo 20, ones & zeros] 3/4 (75%) 8
          Test 10 [Bit fade test, 2 patterns, 1 CPU] 4/4 (100%) 0
          Test 13 [Hammer test] 4/4 (100%) 0
          Last 10 Errors
          2019-11-27 18:42:48 - [Data Error] Test: 9, CPU: 3, Address: 208D3D42C, Expected: DBB9EDF6, Actual: DB99EDF6
          2019-11-27 18:42:48 - [Data Error] Test: 9, CPU: 3, Address: 208D3CA2C, Expected: DBB9EDF6, Actual: DB99EDF6
          2019-11-27 18:42:48 - [Data Error] Test: 9, CPU: 3, Address: 208D3A3BC, Expected: DBB9EDF6, Actual: DB99EDF6
          2019-11-27 18:42:44 - [Data Error] Test: 9, CPU: 3, Address: 208D3C53C, Expected: CC8C53C1, Actual: CCAC53C1
          2019-11-27 18:42:44 - [Data Error] Test: 9, CPU: 3, Address: 208D3B5EC, Expected: CC8C53C1, Actual: CCAC53C1
          2019-11-27 18:42:44 - [Data Error] Test: 9, CPU: 3, Address: 208D3A4BC, Expected: CC8C53C1, Actual: CCAC53C1
          2019-11-27 18:42:44 - [Data Error] Test: 9, CPU: 3, Address: 208D390BC, Expected: CC8C53C1, Actual: CCAC53C1
          2019-11-27 18:42:26 - [Data Error] Test: 9, CPU: 3, Address: 208D38AAC, Expected: 3373AC3E, Actual: 3353AC3E
          2019-11-27 18:34:07 - [Data Error] Test: 7, CPU: 3, Address: 208D381A4, Expected: 40000000, Actual: 40200000
          2019-11-27 18:34:07 - [Data Error] Test: 7, CPU: 3, Address: 208D381AC, Expected: 00000001, Actual: 00200001
          Test 13 [Hammer test] Warning
          Note: Your RAM may be vulnerable to high frequency row hammer bit flips. However the conditions needed to induce these errors occur only very rarely in normal PC usage, and so this should not be of concern to most users.

          Comment

          • #6
            > Lowest Error Address 0x208D381A4 (8333MB)
            > Highest Error Address 0x208D3D73C (8333MB)
            > Bits in Error 1

            Single bit errors in a narrow range of addresses are almost always RAM faults.

            Comment

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