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Do I need to change ram?

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  • Do I need to change ram?

    Test Start Time 2019-06-03 11:43:19
    Elapsed Time 1:59:24
    Memory Range Tested 0x0 - 21F000000 (8688MB)
    CPU Selection Mode Parallel (All CPUs)
    ECC Polling Enabled
    # Tests Passed 46/48 (95%)

    Lowest Error Address 0x1BA8BF748 (7080MB)
    Highest Error Address 0x1BA8BF748 (7080MB)
    Bits in Error Mask 0000000000020000
    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] 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] 2/4 (50%) 2
    Test 13 [Hammer test] 4/4 (100%) 0

    Last 10 Errors
    2019-06-03 12:28:40 - [Data Error] Test: 10, CPU: 0, Address: 1BA8BF748, Expected: 00000000, Actual: 00020000

  • #2
    Is a bit strange that you have ECC RAM, but no ECC warnings or ECC corrections for the bad read.

    If you repeat the test (or just repeat test 10) do you get the same result?

    But yes, something is wrong. Might be the RAM, or there might have been data corruption on the bus, and the wrong value was written into the RAM.

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