rcu_sched self-detected stall on CPU + watchdog: BUG: soft lockup - CPU#3 stuck for 22s












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Being unable to ssh into a machine I connected it to a monitor and found the following:



enter image description here



The machine is running Ubuntu Server 18.04 LTS and is a first generation 8 core Ryzen 1700. I've restarted the machine since and it works fine but am not sure what caused this in the first place and want to avoid it happening again.
enter image description here






linux kernel scheduling freeze watchdog






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    0















    Being unable to ssh into a machine I connected it to a monitor and found the following:



    enter image description here



    The machine is running Ubuntu Server 18.04 LTS and is a first generation 8 core Ryzen 1700. I've restarted the machine since and it works fine but am not sure what caused this in the first place and want to avoid it happening again.
    enter image description here






    linux kernel scheduling freeze watchdog






    share

























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      0








      Being unable to ssh into a machine I connected it to a monitor and found the following:



      enter image description here



      The machine is running Ubuntu Server 18.04 LTS and is a first generation 8 core Ryzen 1700. I've restarted the machine since and it works fine but am not sure what caused this in the first place and want to avoid it happening again.
      enter image description here






      linux kernel scheduling freeze watchdog






      share














      Being unable to ssh into a machine I connected it to a monitor and found the following:



      enter image description here



      The machine is running Ubuntu Server 18.04 LTS and is a first generation 8 core Ryzen 1700. I've restarted the machine since and it works fine but am not sure what caused this in the first place and want to avoid it happening again.
      enter image description here






      linux kernel scheduling freeze watchdog




      linux kernel scheduling freeze watchdog





      share












      share










      share



      share










      asked 3 mins ago









      GregGreg

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      3551216






















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