MacPro 5.1 graphic issue

Discussion in 'Mac Pro' started by CactusJoe, Oct 12, 2015.

  1. CactusJoe macrumors newbie

    Oct 12, 2015
    Hello there !

    First post for my first real problem...

    Since a few month I've got some unknown crashes on my grading station. By unknown I mean I set up the workstation in august last year and it perfectly works until June/July since, it's getting worst and worst.

    I started with Mavericks 10.9.5 and WebDriver-334.01.03f05, CUDA 6.54, DaVinci resolve 11 works fine. but since June the worsktation started to crash with no reason in particular. Sometimes it was when we start the software, sometimes when we play some audio files in the software, other time when we saved.... you get the picture ?

    I did an upgrade to OSX 10.10.5, Webdriver-346.02.03F1, CUDA 7 and DaVinci resolve 12.
    Here is a preview of what happen now : .

    What should I do ? I really need help.

    Here is the whole setup :
    MacPro 5.1 12x2.66GHz
    24Go DDR3 1666MHz ECC
    OCZ Vertex 256Go SSD (OS & Apps)
    BlackMagick Decklink HDextreme 3D+
    ATTO celerity F82en
    1x Nvidia GT120 (displays)
    3x GTX TitanBlack 6GB Gainward
    Sonnet Tango USB3/FW card
  2. h9826790 macrumors G5


    Apr 3, 2014
    Hong Kong
  3. CactusJoe thread starter macrumors newbie

    Oct 12, 2015
    I can, I'll try to do that today and get back for more.

    Thanks !
  4. CactusJoe thread starter macrumors newbie

    Oct 12, 2015
    Hello again !

    So I did go back to 10.9.5 and it was still unstable.

    We tried to remove the GT120 card and it was stable again BUT I lost 2 cards in the story because when I put the GT120 my OS detect the GT120 and the 3 TitanBlack but when I removed the GT120 I also lost one of my three TitanBlack.

    In the end I've got my system back to stable but with one card less for computing :(

    I know that Apple set a limitation regarding the numbers of GPU you can have in a MacPro... what do you think of it ?

    Thanks again

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3 October 12, 2015