RHEL7.5: kernel panic in prepare_to_wait()

Solution In Progress - Updated -


  • Kernel panic at: "Unable to handle kernel paging request for data at address 0x00000000"
  • Backtrace:
[NIP  : _raw_spin_lock_irqsave+72]
 [LR   : prepare_to_wait+64]
 #4 [c000001aeb1c78b0] _raw_spin_lock_irqsave at c000000000a0d2a8
 #5 [c000001aeb1c78f0] prepare_to_wait at c000000000125a30  (unreliable)
 #6 [c000001aeb1c7930] sk_wait_data at c00000000083e26c
 #7 [c000001aeb1c79d0] tcp_recvmsg at c0000000008e5f64
 #8 [c000001aeb1c7af0] inet_recvmsg at c00000000092ab2c
 #9 [c000001aeb1c7b30] sock_recvmsg at c0000000008314f4
#10 [c000001aeb1c7ca0] sys_recvfrom at c000000000837894
#11 [c000001aeb1c7dd0] sys_socketcall at c000000000838c38
#12 [c000001aeb1c7e30] system_call at c00000000000a184


  • Red hat Enterprise Linux 7.5
    • kernel-3.10.0-862.el7.ppc64le
  • TCP
  • Power PC but this should not be arch specific

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