Why does my OS hangs for less than a second?











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I use Ubuntu 18.04 with kernel 4.15.0-39-generic.



My system:




  • Intel® Core™ i7-4710HQ CPU @ 2.50GHz × 8

  • 16 GB of RAM

  • NVIDIA 860M

  • Disk is WDC WD10S21X-24R1BT0-SSHD-8GB (03.01A01)


My system hangs for 0.3s to 0.7 second every (mean) 7 minutes. It affects audio, video, program and even CPU interrupts.



My disk S.M.A.R.T. status is OK.



Whenever this happens i get a spike in the CPU chart of System monitor.
The freeze is always followed by the CPU3 spike and is always close to 60% of usage.



There is normally no intensive use and it still happens at the same rate.










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    I use Ubuntu 18.04 with kernel 4.15.0-39-generic.



    My system:




    • Intel® Core™ i7-4710HQ CPU @ 2.50GHz × 8

    • 16 GB of RAM

    • NVIDIA 860M

    • Disk is WDC WD10S21X-24R1BT0-SSHD-8GB (03.01A01)


    My system hangs for 0.3s to 0.7 second every (mean) 7 minutes. It affects audio, video, program and even CPU interrupts.



    My disk S.M.A.R.T. status is OK.



    Whenever this happens i get a spike in the CPU chart of System monitor.
    The freeze is always followed by the CPU3 spike and is always close to 60% of usage.



    There is normally no intensive use and it still happens at the same rate.










    share|improve this question







    New contributor




    MarioE is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
    Check out our Code of Conduct.






















      up vote
      0
      down vote

      favorite









      up vote
      0
      down vote

      favorite











      I use Ubuntu 18.04 with kernel 4.15.0-39-generic.



      My system:




      • Intel® Core™ i7-4710HQ CPU @ 2.50GHz × 8

      • 16 GB of RAM

      • NVIDIA 860M

      • Disk is WDC WD10S21X-24R1BT0-SSHD-8GB (03.01A01)


      My system hangs for 0.3s to 0.7 second every (mean) 7 minutes. It affects audio, video, program and even CPU interrupts.



      My disk S.M.A.R.T. status is OK.



      Whenever this happens i get a spike in the CPU chart of System monitor.
      The freeze is always followed by the CPU3 spike and is always close to 60% of usage.



      There is normally no intensive use and it still happens at the same rate.










      share|improve this question







      New contributor




      MarioE is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.











      I use Ubuntu 18.04 with kernel 4.15.0-39-generic.



      My system:




      • Intel® Core™ i7-4710HQ CPU @ 2.50GHz × 8

      • 16 GB of RAM

      • NVIDIA 860M

      • Disk is WDC WD10S21X-24R1BT0-SSHD-8GB (03.01A01)


      My system hangs for 0.3s to 0.7 second every (mean) 7 minutes. It affects audio, video, program and even CPU interrupts.



      My disk S.M.A.R.T. status is OK.



      Whenever this happens i get a spike in the CPU chart of System monitor.
      The freeze is always followed by the CPU3 spike and is always close to 60% of usage.



      There is normally no intensive use and it still happens at the same rate.







      18.04 freeze






      share|improve this question







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      MarioE is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
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      share|improve this question







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      share|improve this question




      share|improve this question






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      asked Dec 2 at 3:04









      MarioE

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      32




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          1 Answer
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          It could be your graphics driver, but more info would be nice. Make sure you're watching the exact time whenever your system hangs. Then, you can check your logs (/var/log/syslog) to see what the issue is. As far as I know, nVidia drivers have been a problem for a while in Linux because nVidia doesn't want to open-source their drivers like AMD. Anyway, if your log at the time it hangs says something like "nouveau" then you can be sure it's a driver issue, so you might want to switch drivers





          EDIT

          Reinstalling GNOME appeared to fix the issue for OP sudo apt-get install --reinstall ubuntu-gnome-desktop






          share|improve this answer










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          1 Answer
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          active

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          1 Answer
          1






          active

          oldest

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          active

          oldest

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          active

          oldest

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          up vote
          0
          down vote



          accepted










          It could be your graphics driver, but more info would be nice. Make sure you're watching the exact time whenever your system hangs. Then, you can check your logs (/var/log/syslog) to see what the issue is. As far as I know, nVidia drivers have been a problem for a while in Linux because nVidia doesn't want to open-source their drivers like AMD. Anyway, if your log at the time it hangs says something like "nouveau" then you can be sure it's a driver issue, so you might want to switch drivers





          EDIT

          Reinstalling GNOME appeared to fix the issue for OP sudo apt-get install --reinstall ubuntu-gnome-desktop






          share|improve this answer










          New contributor




          driveforms is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
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          • Comments are not for extended discussion; this conversation has been moved to chat.
            – Thomas Ward
            Dec 3 at 0:11















          up vote
          0
          down vote



          accepted










          It could be your graphics driver, but more info would be nice. Make sure you're watching the exact time whenever your system hangs. Then, you can check your logs (/var/log/syslog) to see what the issue is. As far as I know, nVidia drivers have been a problem for a while in Linux because nVidia doesn't want to open-source their drivers like AMD. Anyway, if your log at the time it hangs says something like "nouveau" then you can be sure it's a driver issue, so you might want to switch drivers





          EDIT

          Reinstalling GNOME appeared to fix the issue for OP sudo apt-get install --reinstall ubuntu-gnome-desktop






          share|improve this answer










          New contributor




          driveforms is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
          Check out our Code of Conduct.


















          • Comments are not for extended discussion; this conversation has been moved to chat.
            – Thomas Ward
            Dec 3 at 0:11













          up vote
          0
          down vote



          accepted







          up vote
          0
          down vote



          accepted






          It could be your graphics driver, but more info would be nice. Make sure you're watching the exact time whenever your system hangs. Then, you can check your logs (/var/log/syslog) to see what the issue is. As far as I know, nVidia drivers have been a problem for a while in Linux because nVidia doesn't want to open-source their drivers like AMD. Anyway, if your log at the time it hangs says something like "nouveau" then you can be sure it's a driver issue, so you might want to switch drivers





          EDIT

          Reinstalling GNOME appeared to fix the issue for OP sudo apt-get install --reinstall ubuntu-gnome-desktop






          share|improve this answer










          New contributor




          driveforms is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
          Check out our Code of Conduct.









          It could be your graphics driver, but more info would be nice. Make sure you're watching the exact time whenever your system hangs. Then, you can check your logs (/var/log/syslog) to see what the issue is. As far as I know, nVidia drivers have been a problem for a while in Linux because nVidia doesn't want to open-source their drivers like AMD. Anyway, if your log at the time it hangs says something like "nouveau" then you can be sure it's a driver issue, so you might want to switch drivers





          EDIT

          Reinstalling GNOME appeared to fix the issue for OP sudo apt-get install --reinstall ubuntu-gnome-desktop







          share|improve this answer










          New contributor




          driveforms is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
          Check out our Code of Conduct.









          share|improve this answer



          share|improve this answer








          edited Dec 2 at 20:23





















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          answered Dec 2 at 3:13









          driveforms

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          514




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          • Comments are not for extended discussion; this conversation has been moved to chat.
            – Thomas Ward
            Dec 3 at 0:11


















          • Comments are not for extended discussion; this conversation has been moved to chat.
            – Thomas Ward
            Dec 3 at 0:11
















          Comments are not for extended discussion; this conversation has been moved to chat.
          – Thomas Ward
          Dec 3 at 0:11




          Comments are not for extended discussion; this conversation has been moved to chat.
          – Thomas Ward
          Dec 3 at 0:11










          MarioE is a new contributor. Be nice, and check out our Code of Conduct.










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