4 Replies Latest reply on Nov 14, 2017 2:02 AM by DarkTapo

    NUC7i7BNH freezing on workload / not with Hyperthreading off

    DarkTapo

      Hi Intel-Team,

       

      we have bought around 80x Intel NUC7i7BNH for our company, all with the same configuration and all with the same customized basic-installation of windows 10 Professional.

      - Intel NUC7i7BNH

      - 256GB m.2 SATA-SSD Samsung MZNLN256HMHQ PM871a

      - 1x 16GB DDR4-2133 RAM Samsung M471A2K43BB1-CPB

      - BIOS-Version 0052

       

      We have problems with several freezing NUCs, some working fine (SSU Example: NUC_OK.zip) and some just freezing (SSU Example: NUC_fail.zip).

      For more understanding, I mean a system that just stop working with a freezed screen, non functioning mouse and keyboard and no reaction on the power button unless I press it for 10 seconds to hard reset it.

       

      - We installed the systems after updateing the BIOS to version 0048 and later to 0052.

      - I "cross-changed" the peripheries (RAM, SSD, PSU) between my both testing machines the freezing was always on the same System

      - I installed a Crucial MX200 m.2 SSD instead with the same freezing again

      - we recognized that the systems only freezed, when the automatized McAfee-Antivirus fullscan of the system (McAfee Enterprise 8.8) was running and with that run the prozessor ist at 85-100% load, but ...

      ... 1. the "OK"-System have a lower workload with ~60-90% as mentioned don't freeze

      ... 2. without that active scan but with active On-Access-Scanner, with AIDA stresstest (CPU at 100%) the System is stable

      ... 3. without that active scan but with active On-Access-Scanner, with AIDA stresstest (CPU at 100%) AND several copyjobs the System is freezing after a short period

      ... 4. without that active scan but with DEACTIVATED On-Access-Scanner, with AIDA stresstest (CPU at 100%) AND several copyjobs the System is stable

      ... 5. now I deactivated Hyperthreading in BIOS and the freezings are gone

       

      Now I am totally confused because it seems that it is no thermal problem, no SSD problem, no memory problem, no McAfee problem nor a combination of it, especially since the known hyperthreading-issue should be fixed with BIOS version 0047

       

      I am not sure how much of our Systems are affected since not every user is reporting properly or sees that problem as the same because we have the BSOD-problem too when the System send the monito to sleep and do not wake it up again (except the energie-savings are deactivated).

       

      btw. I obliterated the IP-Informations in the SSU-Files.

       

      I appreciate some help and/or informations about that issue.

       

      With kind regards DarkTapo