crash-bt.txt

      KERNEL: ./usr/lib/debug/lib/modules/4.14.35-1902.6.6.el7uek.x86_64/vmlinux
    DUMPFILE: centos7-ktest-kernel-freeze.dump  [PARTIAL DUMP]
        CPUS: 64 [OFFLINE: 63]
        DATE: Tue Aug 25 19:39:37 2020
      UPTIME: 00:06:27
LOAD AVERAGE: 44.70, 29.20, 13.40
       TASKS: 854
    NODENAME: centos7
     RELEASE: 4.14.35-1902.6.6.el7uek.x86_64
     VERSION: #2 SMP Tue Oct 8 07:32:21 PDT 2019
     MACHINE: x86_64  (3693 Mhz)
      MEMORY: 64 GB
       PANIC: "BUG: unable to handle kernel paging request at fffffffffffffff8"
         PID: 15012
     COMMAND: "bash"
        TASK: ffff8a95812c17c0  [THREAD_INFO: ffff8a95812c17c0]
         CPU: 39
       STATE: TASK_RUNNING (PANIC)
       
crash> bt
      1 PID: 15012  TASK: ffff8a95812c17c0  CPU: 39  COMMAND: "bash"
      2  #0 [ffff9fe7ccc23bf0] panic at ffffffff840960ed
      3  #1 [ffff9fe7ccc23c70] oops_end at ffffffff84031dfa
      4  #2 [ffff9fe7ccc23c98] no_context at ffffffff840789a3
      5  #3 [ffff9fe7ccc23cf0] __bad_area_nosemaphore at ffffffff84078cbe
      6  #4 [ffff9fe7ccc23d40] bad_area_nosemaphore at ffffffff84078db4
      7  #5 [ffff9fe7ccc23d50] __do_page_fault at ffffffff8407955a
      8  #6 [ffff9fe7ccc23dc8] do_page_fault at ffffffff84079a18
      9  #7 [ffff9fe7ccc23e00] do_async_page_fault at ffffffff84070c32
     10  #8 [ffff9fe7ccc23e20] async_page_fault at ffffffff84a04054
     11     [exception RIP: __stp_tf_clone_worker+36]
     12     RIP: ffffffffc0ad105e  RSP: ffff9fe7ccc23ed0  RFLAGS: 00010246
     13     RAX: 0000000000000000  RBX: 0000000000000000  RCX: 0000000000000001
     14     RDX: fffffffffffffe00  RSI: ffff9fe7ccc23f58  RDI: 0000000000000000
     15     RBP: ffff9fe7ccc23ef0   R8: 0000000000000003   R9: ffffffffc0871a14
     16     R10: ffff8a9dfefe81a0  R11: fffff71919c92800  R12: 0000000010000086
     17     R13: ffff9fe7ccc23f58  R14: fffffffffffffe00  R15: 0000000000000000
     18     ORIG_RAX: ffffffffffffffff  CS: 0010  SS: 0018
     19  #9 [ffff9fe7ccc23ef8] syscall_slow_exit_work at ffffffff84003fb6
     20 #10 [ffff9fe7ccc23f28] do_syscall_64 at ffffffff84003a55
     21 #11 [ffff9fe7ccc23f50] entry_SYSCALL_64_after_hwframe at ffffffff84a001ad
     22     RIP: 00007f714bd1146c  RSP: 00007ffd41cd88e8  RFLAGS: 00000246
     23     RAX: fffffffffffffe00  RBX: 000000000000000a  RCX: 00007f714bd1146c
     24     RDX: 000000000000000a  RSI: 00007ffd41cd8910  RDI: ffffffffffffffff
     25     RBP: 00000000020d0a30   R8: 00000000020d0a30   R9: 0000000000000000
     26     R10: 0000000000000000  R11: 0000000000000246  R12: 0000000000000000
     27     R13: 0000000000000001  R14: 00000000020dceb0  R15: 0000000000000000
     28     ORIG_RAX: 000000000000003d  CS: 0033  SS: 002b