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  1. Core ReactOS
  2. CORE-16688

Regression, Extraordinary high CPU load when installer of "SumatraPDF 3.1.2" should be idling just

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    Description

      0.4.13-RC-41-gc6b2f3a gcc 4.7.2 dbg lin.

      Reproduction steps

      • Start the installer of SumatraPDF 3.1.2 from rapps
      • Don't click anything, just wait for its initial font animation to complete, and wait another 10seconds after that to allow it to stabilize

      Expected result
      A stable CPU usage of 0%, like in 2K3_SP2_eng.png

      Observed result
      ros shows excessive amount of CPU usage in taskmgr, close to 100%, either in process "System" or in installers process called "SumtraPDF-3.1..."
      0.4.13-RC-41-gc6b2f3a_affected.png
      0.4.13-RC-41-gc6b2f3a_affected.log repeatedly logs some stuff about

      (win32ss/gdi/gdi32/wine/rosglue.c:1275) Trying to delete METADC 00000000
      (win32ss/user/ntuser/msgqueue.c:1267) err: MsqSendMessage timed out 2 Status 102
      

      but not as much, that the process of logging alone could explain that drastic resource consumption.
      Now and then the VM LED indicates HDD read activity, but also not the full time of the massive CPU consumption.

      Attachments

        1. 0.4.13-RC-41-gc6b2f3a_affected.log
          34 kB
          reactosfanboy
        2. 0.4.13-RC-41-gc6b2f3a_affected.png
          56 kB
          reactosfanboy
        3. 0.4.13-RC-41-gc6b2f3a_sampling.log
          41 kB
          reactosfanboy
        4. 0.4.15-dev-1798-g6f2b94c_notPerfect_butDrasticallyImproved.webm
          2.33 MB
          reactosfanboy
        5. 0.4.9-dev-719-gb3fb855_equidistant_load_heartbeat.webm
          1.22 MB
          reactosfanboy
        6. 0.4.9-dev-761-g2ea6de8_still_Tolerable_Load.webm
          1.38 MB
          reactosfanboy
        7. 0.4.9-dev-762-g94ead99_inacceptable_Load_startingHere.webm
          1.57 MB
          reactosfanboy
        8. 2K3_SP2_eng.png
          27 kB
          reactosfanboy
        9. image_c_01.patch
          0.5 kB
          DougLyons
        10. image_c_02.patch
          0.6 kB
          DougLyons
        11. image_c_03.patch
          0.7 kB
          DougLyons
        12. image-2022-10-04-18-11-44-646.png
          41 kB
          KRosUser
        13. image-2022-10-04-18-13-22-652.png
          39 kB
          KRosUser
        14. image-2022-10-04-18-16-30-299.png
          35 kB
          KRosUser
        15. r73441_stillOk.png
          41 kB
          reactosfanboy

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              zefklop jgardou
              reactosfanboy reactosfanboy
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              Dates

                Created:
                Updated:
                Resolved: