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가상 머신에서 "BUG: soft lockup"(또는 동시에 여러 버그)을 보고

Solution In Progress - Updated -

Issue

  • 가상 머신 게스트가 동시에 여러 소프트 잠금이 발생합니다.
  • soft lockup으로 인해 커널 패닉이 발생하고 있습니다.
  • 로그에는 다음과 같은 메시지가 표시됩니다(다양한 소스의 예):

    BUG: soft lockup - CPU#6 stuck for 73s! [flush-253:0:1207]
    BUG: soft lockup - CPU#7 stuck for 74s! [processname:15706]
    BUG: soft lockup - CPU#5 stuck for 63s! [processname:25582]
    BUG: soft lockup - CPU#0 stuck for 64s! [proceessname:15789]
    
    
    <time> <hostname> kernel: NMI watchdog: BUG: soft lockup - CPU#6 stuck for 25s! [ksoftirqd/6:38]
    <time> <hostname> kernel: NMI watchdog: BUG: soft lockup - CPU#7 stuck for 22s! [ksoftirqd/7:43]
    <time> <hostname> kernel: NMI watchdog: BUG: soft lockup - CPU#7 stuck for 24s! [NetworkManager:945]
    <time> <hostname> kernel: NMI watchdog: BUG: soft lockup - CPU#7 stuck for 22s! [watchdog/7:41]  
    

    다음 행도 기록될 수 있습니다(또는 기록되지 않을 수도 있음):

    hrtimer: interrupt took NUMBER ns
    

Environment

  • Red Hat Enterprise Linux(모든 버전)
  • 가상 머신

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