6 Replies Latest reply on Feb 9, 2016 10:09 AM by Bryce@Intel

    [10016478] Firefox leaks memory running GUIMark3 vector test with Intel GPU


      Note: DXDIAG.TXT without GeForce driver (nvwgf2um.dll) which crashes DXDIAG





      Answers (N/A if not applicable)


      Provide a detailed description of the issue

      Firefox leaks memory running GUIMark3 vector test with Intel GPU.

      Edge + Intel works, Firefox + NVIDA works, so i'm not sure if it's a bug in Firefox or Intel graphics driver

      Does it fail every single time, or only sometimes?
      If you can offer a % rate please do.


      Hardware (HW)

      Brand and Model of the system.

      Acer E5-571G

      Hybrid or switchable graphics system?
      ie Does it have AMD or NV graphics too?

      NVIDIA Optimus

      Make and model of any Displays that are used to see the issue (see note2 below).
      = Local Flat Panel (Laptop panel)
      EFP = External Flat Panel (Monitor you plug in)


      How much memory [RAM] in the system (see note2 below).

      8 GB

      Provide any other hardware needed to replicate the issue.
      ie: Cables&brand, cable type [vga, hdmi, DP, etc], dock, dongles/adapters, etc


      Hardware Stepping (see note1 below).






      Software (SW)

      Operating System version (see note2 below).

      Windows 10 Home Insider Preview 64-bit (10.0, Build 10547) (10547.th2_release.150913-1511)

      VBIOS (video BIOS) version. This can be found in “information page” of CUI (right click on Desktop and select “Graphics Properties”.

      GOP 5.5.1025

      Graphics Driver version; for both integrated Intel and 3rd party vendors (see note2 below).



      NVIDIA 358.50

      SW or Apps version used to replicate the issue.

      Firefox 41, MS Edge 21.10547


      Single display, clone, or extended (see note2 below).


      Display resolution & refresh rate setting of each display (see note2 below).

      1920x1080, 60Hz

      AC or DC mode, i.e. is power cable plugged in or not?


      How to repro

      Please provide steps to replicate the issue.  These steps are very crucial to finding the root cause and fix.
      A screenshot to illustrate the issue is a huge plus. A video of the failure is even better! Attach to the post or provide the YouTube link.

      1. on Optimus rig, select Intel for Firefox
      2. run Firefox
      3. open your favorite task manager, open details for Firefox
      4. goto GUIMark3 HTML5 Vector
      5. watch test for ca. 10 seconds, Firefox window turns white, hogs 3.2 GB memory