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2D test-video memory corruption

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  • 2D test-video memory corruption

    I found 2D test-video memory corruption failure when I was testing a Notebook computer UUT, this failure can be duplicated on both 1026 and 1028.

    and I verified System module by Dell mpmemory and video memory by Nvdia test utility, no failures were found on both memory. can you help me with that?

    PassMark BurnInTest Log file -
    ================================================== ======
    BurnInTest V5.3 Pro 1026
    Logging detail level: Normal
    Computer Name: KFW10
    Date: 09/18/08 17:44:17
    Operating system: Windows XP Professional Service Pack 3 build 2600
    Number of CPUs: 1 (2 Core(s)/CPU, 1 Logical(s)/Core)
    CPU manufacturer: GenuineIntel
    CPU type: Intel(R) Core(TM)2 Duo CPU T5850 @ 2.16GHz
    CPU features: MMX SSE SSE2 SSE3 DEP PAE
    CPU1 speed: 2165.9 MHz
    CPU L2 Cache: 2 MB
    RAM: 2046 MB
    Video card: NVIDIA GeForce 8400M GS (Resolution: 1280x800x32)
    Disk drive: Model ST9160310AS (Size: 149.0GB)
    Optical drive: Slimtype DVDRW SSM-8515S

    Test Start time: Thu Sep 18 17:20:46 2008
    Test Stop time: Thu Sep 18 17:40:50 2008
    Test Duration: 000h 20m 04s
    Test Name Cycles Operations Result Errors Last Error
    CPU - Maths 499 11.847 Billion PASS 0 No errors
    CPU - SIMD 192 7.525 Billion PASS 0 No errors
    Memory (RAM) 0 1.352 Billion PASS 0 No errors
    2D Graphics 0 959 FAIL 1 Video memory corruption
    LOG NOTE: 2008-09-18 17:20:46, Status, Main Tests started
    SERIOUS : 2008-09-18 17:32:53, 2D Graphics, Video memory corruption
    LOG NOTE: 2008-09-18 17:32:53, 2D Graphics, 32 Bit ==> Offset 0xd5555555: Expected 0x55555555: Read 0xd5555555
    LOG NOTE: 2008-09-18 17:40:50, Status, Test run stopped

  • #2
    Dell mpmemory only tests main RAM not video RAM. So you can't expect mpmemory to report on video RAM problems. I am not aware of any NVidia "test utility" that does write / read testing on video RAM. So I can't comment on that. (And would you trust NVidia tell you the full story about errors on NVidia hardware).

    I think the error is a real hardware error, but one the user may never notice. See this past post on the topic.