Memtest86 V11.0 - Address test own address failure

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  • Macaca
    Junior Member
    • Dec 2024
    • 3
    #1

    Memtest86 V11.0 - Address test own address failure

    Hi, MemTest86 support team.

    I hope you are doing well.

    In the last weeks, I have performed memory tests using MemTest86 on various DDR5 UDIMM modules.
    During these tests, I encountered address errors with one particular module: the A-DATA 5600MT/s 32G 2-Ranks DIMM module (AD5U560032G-B).

    The address error seems to only happen at the 2-Ranks module, while the 1-Rank modules didn't meet the error.
    However, the 2-Ranks module can boot up my system into OS without significant problems.
    I am concerned about the potential risk of these address errors. Are they something that should cause alarm?

    Here is the test report. I appreciate your assistance.
    System Information
    EFI Specifications 2.90
    System
    Manufacturer Default string
    Product Name Default string
    Version Default string
    Serial Number Default string
    BIOS
    Vendor American Megatrends International, LLC.
    Version 5.32
    Release Date 10/15/2024
    Baseboard
    Manufacturer Default string
    Product Name Default string
    Version Default string
    Serial Number Default string
    CPU Type Intel 0000
    CPU Clock 2541 MHz [Turbo: 4472.3 MHz]
    # Logical Processors 24 (16 enabled for testing)
    L1 Cache 32 x 112K (500262 MB/s)
    L2 Cache 8 x 3072K (106348 MB/s)
    L3 Cache 36864K (36956 MB/s)
    Memory 130573M (18510 MB/s)
    RAM Configuration DDR5 4388MT/s / x2 Channel / 32-32-32-64 / 1.100V
    Number of RAM SPDs detected 4
    SPD #0 32GB DDR5 2Rx8 PC5-44800
    Vendor Part Info A-DATA Technology / AD5U560032G-B / 00201351
    JEDEC Profile 5600MT/s 46-45-45-90 1.1V
    SPD #1 32GB DDR5 2Rx8 PC5-44800
    Vendor Part Info A-DATA Technology / AD5U560032G-B / 00201317
    JEDEC Profile 5600MT/s 46-45-45-90 1.1V
    SPD #2 32GB DDR5 2Rx8 PC5-44800
    Vendor Part Info A-DATA Technology / AD5U560032G-B / 00201352
    JEDEC Profile 5600MT/s 46-45-45-90 1.1V
    SPD #3 32GB DDR5 2Rx8 PC5-44800
    Vendor Part Info A-DATA Technology / AD5U560032G-B / 00201350
    JEDEC Profile 5600MT/s 46-45-45-90 1.1V
    Number of RAM slots 6
    Number of RAM modules 4
    DIMM A1 32GB DDR5 2Rx8 PC5-44800
    Vendor Part Info A-DATA Technology / AD5U560032G-B / 00201352
    SMBIOS Profile 5600MT/s 1.1V
    DIMM A2 32GB DDR5 2Rx8 PC5-44800
    Vendor Part Info A-DATA Technology / AD5U560032G-B / 00201350
    SMBIOS Profile 5600MT/s 1.1V
    DIMM B1 32GB DDR5 2Rx8 PC5-44800
    Vendor Part Info A-DATA Technology / AD5U560032G-B / 00201351
    SMBIOS Profile 5600MT/s 1.1V
    DIMM B2 32GB DDR5 2Rx8 PC5-44800
    Vendor Part Info A-DATA Technology / AD5U560032G-B / 00201317
    SMBIOS Profile 5600MT/s 1.1V
    DIMM C1 Empty slot
    DIMM C2 Empty slot
    Result summary
    Test Start Time 2024-10-18 16:39:45
    Elapsed Time 17:02:32
    Memory Range Tested 0x0 - 2070000000 (132864MB)
    CPU Selection Mode Parallel (All CPUs)
    CPU Temperature Min/Max/Ave 98C/104C/103C
    RAM Temperature Min/Max/Ave
    TSOD0 40C/51C/48C
    TSOD1 41C/58C/53C
    TSOD2 40C/59C/53C
    TSOD3 37C/54C/49C
    Lowest memory speed 4388 MT/s (32-32-32-64)
    Highest memory speed 4388 MT/s (32-32-32-64)
    # Tests Completed 48/48 (100%)
    # Tests Passed 46/48 (95%)
    Lowest Error Address 0xB267010 (178MB)
    Highest Error Address 0x206F479C90 (132852MB)
    Bits in Error Mask 007D000008EF0004
    Bits in Error 15
    Max Contiguous Errors 2
    CPUs that detected memory errors { 0, 2, 5, 6, 7, 8, 9, 10, 14, 15 }
    Bits in Error
    . . . . . . . . . x x x x x . x . . . . . . . . . . . . . . . . . . . . x . . . x x x . x x x x . . . . . . . . . . . . . x . .
    63 0
    Test # Tests Passed Errors
    Test 0 [Address test, walking ones, 1 CPU] 4/4 (100%) 0
    Test 1 [Address test, own address, 1 CPU] 3/4 (75%) 42
    Test 2 [Address test, own address] 3/4 (75%) 15
    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] 4/4 (100%) 0
    Test 8 [Random number sequence] 4/4 (100%) 0
    Test 9 [Modulo 20, ones & zeros] 4/4 (100%) 0
    Test 10 [Bit fade test, 2 patterns, 1 CPU] 4/4 (100%) 0
    Test 13 [Hammer test] 4/4 (100%) 0
    Last 10 Errors
    2024-10-18 16:40:21 - [Data Error] Test: 2, CPU: 14, Address: 1D77D98610, Expected: 0000001D77D98610, Actual: 000000007FD98610
    2024-10-18 16:40:20 - [Data Error] Test: 2, CPU: 7, Address: 1C5B05AF90, Expected: 0000001C5B05AF90, Actual: 000000005B45AF90
    2024-10-18 16:40:20 - [Data Error] Test: 2, CPU: 9, Address: 1BA3467650, Expected: 0000001BA3467650, Actual: 00000000A34E7650
    2024-10-18 16:40:19 - [Data Error] Test: 2, CPU: 2, Address: 1A0543CD50, Expected: 0000001A0543CD50, Actual: 000000000D43CD50
    2024-10-18 16:40:18 - [Data Error] Test: 2, CPU: 9, Address: 17A364E6D0, Expected: 00000017A364E6D0, Actual: 00000000A324E6D0
    2024-10-18 16:40:18 - [Data Error] Test: 2, CPU: 7, Address: 175B9761D0, Expected: 000000175B9761D0, Actual: 000000005BD761D0
    2024-10-18 16:40:18 - [Data Error] Test: 2, CPU: 6, Address: 1657968410, Expected: 0000001657968410, Actual: 0000000057D68410
    2024-10-18 16:40:16 - [Data Error] Test: 2, CPU: 10, Address: 126696F8D0, Expected: 000000126696F8D0, Actual: 0000000066D6F8D0
    2024-10-18 16:40:15 - [Data Error] Test: 2, CPU: 8, Address: 10DD6A9650, Expected: 00000010DD6A9650, Actual: 00000000DDEA9650
    2024-10-18 16:40:15 - [Data Error] Test: 2, CPU: 7, Address: 109B023890, Expected: 000000109B023890, Actual: 000000009B423890
    ​
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    • David (PassMark)
      Administrator
      • Jan 2003
      • 11092
      #2
      I am concerned about the potential risk of these address errors. Are they something that should cause alarm?
      RAM errors cause random effects. Sometimes nothing obvious. Sometimes crashes. Sometimes data corruption.
      As you have 128GB of RAM, having a few bytes bad might not always be noticeable. But none the less, it should cause some alarm. There shouldn't be any RAM errors. Even one is too many.

      See also
      https://www.memtest86.com/troubleshooting.htm

        Comment

        • Macaca
          Junior Member
          • Dec 2024
          • 3
          #3
          Originally posted by David (PassMark)

          RAM errors cause random effects. Sometimes nothing obvious. Sometimes crashes. Sometimes data corruption.
          As you have 128GB of RAM, having a few bytes bad might not always be noticeable. But none the less, it should cause some alarm. There shouldn't be any RAM errors. Even one is too many.

          See also
          https://www.memtest86.com/troubleshooting.htm
          I got it. Thank you for the support.

            Comment

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