1. 45

  2. 8

    I’ve marveled at this very phenomenon for some time now – my operating system seemingly deciding to give me – the interactive user that purchased the hardware and operating system – seemingly less priority than things running in the background. An astonishing thing in 2017.

    The author did an amazing job of troubleshooting this. Let’s hope Microsoft comes up with a patch soon – and learns a larger lesson about not causing serious performance regressions in their software. (Hey, one can dream…)

    1. 1

      What escapes my understand is why moving the mouse is affected by lock on NtGdiCloseProcess.

      1. 2

        SendMessageW needs the same lock and was blocked. I think the cursor should be independent? But the window underneath may need messages about mouse position.

    2. 1

      Where do I get a 24-core laptop?

      1. 5

        I’m sure he has a Xeon-based workstation tower, not a laptop.

        1. 2

          You’re right. He switched to laptop later in article and I got confused.

      2. -5

        Not surprising given its windows.

        1. 9

          >implying other operating systems don’t have bugs that can cause the pointer to be stuck because something is locking too much

          1. 2


            MuQSS fixes a lot of this in Linux.