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consistent error, but only one test (6) and only w/ parallel CPU -- real problem?

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  • #16
    We have Supermicro X9DR3-F with 24GB of ECC memory and memtest shows errors in tests 6 & 7 in multi-cpu mode. Buf if we set lower memory limit to 1G test completes without errors in multi-cpu mode. (Of course there are no errors with or without memory limit in single-cpu mode).

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    • #17
      AlexVB,
      What version of MemTest86 are you using?
      What CPU are you using?

      Subsequent to my previous post above, we found and fixed a bug in Test #6. This was fixed in Version 4.3.1 (8/Aug/2013).

      We aren't aware of any definite issues in Test 7. We did have another report of errors in Test #7 in multi-threaded mode, but we are assuming this was a real hardware fault.

      Can you post a screen shot showing the errors.

      We are in the process of re-writing all the ECC handling code for V5. We hope to be able to report actual ECC errors for common CPUs. (As opposed to only reporting the errors that ECC failed to correct, as is the case at the moment).

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      • #18
        Originally posted by David (PassMark) View Post
        AlexVB,
        What version of MemTest86 are you using?
        What CPU are you using?
        I used memtest 4.3.0, because multi-cpu mode does not working in our system in the version 4.3.2 (system just reboots when i select parallel mode).


        As for CPU and screenshots - i will post that information in 1-2 days.

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        • #19
          There is no point using V4.3.0 in my opinion as it has a known bug.

          Would be better to either work out why V4.3.2 doesn't work on this machine, or use V5.

          With V4.3.2, when exactly does it reboot? I assume you get as far as selecting parallel mode and then starting the tests. But in what test does it reboot? Does it always reboot in the same place in the same test?

          Note also that random reboots can be a sign of bad hardware.

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          • #20
            Sorry for delay. I had no access to that machine for some time.

            1) As for cpu's: we are using 2 Intel Xeon E5-2620 processors
            2) As for crashes:

            in the version memtest86-iso-4.3.4g.zip (27 sep):
            1) start the program
            2) press c (configuration)
            3) press 4 (cpu selection mode)
            4) press 1 (parallel (all))
            5) press 0 (continue) - system resets, every time

            in the latest version 4.3.4 (1 oct)
            1) random reboots when i press c (configuration)
            2) random crashes when i select multi cpu (like above but random)
            3) rendom crashes in random test in single cpu mode (system just reboots)

            in the version 4.3 that comes with version 5
            UPDATE:
            1) sometimes when i select multi cpu mode (like above), system reboots, but not every time.

            And also we have no any problems with that machine, it is working fine for a weeks.
            AlexVB
            Junior Member
            Last edited by AlexVB; 10-05-2013, 07:54 AM.

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            • #21
              Version 4.3.4g, V4.3.4 & the the V4.3 that comes with V5 are all more or less the same software.

              You are saying it crashes in single CPU mode, multi-cpu mode, going into the configuration window and setting values in the
              configuration window. Basically it is crashing all the time for you.

              Given that we have no other reports of a similar fault during the month since your initial post, it must either be some issue specific to the
              E5-2620, or a fault with your machine.

              Would it be possible to test with 1 stick of RAM and 1 CPU?

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              • #22
                bug with test 6 in parallel mode

                Hi all!i have same problem with 4.3.4 LAST VERSION on 3 computers:
                1. Server Supermicro sys-5017R-mtf with Xeon-2620 32gb mem (4x8gb)
                2. Desktop gigabyte-z77-d3h Intel sandy bridge i7-2700K with 16gb (4x4gb) of ram
                3. Desktop gigabyte-z77-ds3h Intel ivy bridge i5-3330 with 8gb (2x4gb)
                On all computers with parallel mode on test 6 it FREEZES and no response to keyboard or anything. It also freezes with 1 stick of ram in parallel mode
                Help? how to solve this problem!
                Thanx!
                shubckin
                Junior Member
                Last edited by shubckin; 10-20-2013, 10:31 AM. Reason: mistake with programm version

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                • #23
                  Can you try this pre-release build and see if the problem still occurs:

                  USB image:
                  http://www.passmark.com/ftp/memtest86-usb-4.3.5a.zip

                  CD image:
                  http://www.passmark.com/ftp/memtest86-iso-4.3.5a.zip

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                  • #24
                    ok i will try

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                    • #25
                      With 4.3.5a problem still remained

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                      • #26
                        Originally posted by shubckin View Post
                        With 4.3.5a problem still remained
                        We may have fixed the issue, can you try this 4.3.5b build:

                        USB image:
                        http://www.passmark.com/ftp/memtest86-usb-4.3.5b.zip

                        CD image:
                        http://www.passmark.com/ftp/memtest86-iso-4.3.5b.zip

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                        • #27
                          YES! with 4.3.5b test№6 with parallel mode passed on this computer:
                          Desktop gigabyte-z77-d3h Intel sandy bridge i7-2700K with 16gb (4x4gb) of ram
                          On this week i will run all test on all computers in this parallel mode and write to this thread.
                          Thank you gyes!

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