PID: 18704  TASK: ffff8800a9283330  CPU: 2   COMMAND: "md5sum"
 #0 [ffff8800a8a2f8b0] machine_kexec at ffffffff810613ae
    /home/green/bk/linux-3.10.0-1160.59.1.el7-debug/arch/x86/kernel/machine_kexec_64.c: 343
 #1 [ffff8800a8a2f910] __crash_kexec at ffffffff811160a2
    /home/green/bk/linux-3.10.0-1160.59.1.el7-debug/kernel/kexec_core.c: 897
 #2 [ffff8800a8a2f9e0] panic at ffffffff817d8546
    /home/green/bk/linux-3.10.0-1160.59.1.el7-debug/./arch/x86/include/asm/smp.h: 93
 #3 [ffff8800a8a2fa60] lbug_with_loc at ffffffffa02b2b95 [libcfs]
    /home/green/git/lustre-release/libcfs/libcfs/debug.c: 549
 #4 [ffff8800a8a2fa78] cl_env_percpu_put at ffffffffa059256e [obdclass]
    /home/green/git/lustre-release/lustre/obdclass/cl_object.c: 992
 #5 [ffff8800a8a2fa88] do_read_folio at ffffffffa10ea7fc [lustre]
    /home/green/git/lustre-release/libcfs/include/libcfs/libcfs_debug.h: 112
 #6 [ffff8800a8a2fb88] ll_readpage at ffffffffa10eb39e [lustre]
    /home/green/git/lustre-release/lustre/llite/rw.c: 2374
 #7 [ffff8800a8a2fb98] do_generic_file_read.constprop.52 at ffffffff811b5c15
    /home/green/bk/linux-3.10.0-1160.59.1.el7-debug/mm/filemap.c: 1889
 #8 [ffff8800a8a2fc20] generic_file_aio_read at ffffffff811b7049
    /home/green/bk/linux-3.10.0-1160.59.1.el7-debug/mm/filemap.c: 2131
 #9 [ffff8800a8a2fca8] do_file_read_iter at ffffffffa10b7a6a [lustre]
    /home/green/git/lustre-release/lustre/include/lustre_compat.h: 387
#10 [ffff8800a8a2fd80] ll_file_read_iter at ffffffffa10b849d [lustre]
    /home/green/git/lustre-release/lustre/llite/file.c: 2548
#11 [ffff8800a8a2fd90] ll_file_aio_read at ffffffffa10b8661 [lustre]
    /home/green/git/lustre-release/lustre/llite/file.c: 2771
#12 [ffff8800a8a2fde8] ll_file_read at ffffffffa10b87d1 [lustre]
    /home/green/git/lustre-release/lustre/llite/file.c: 2794
#13 [ffff8800a8a2fed0] vfs_read at ffffffff81244899
    /home/green/bk/linux-3.10.0-1160.59.1.el7-debug/fs/read_write.c: 465
#14 [ffff8800a8a2ff08] sys_read at ffffffff812457cf
    /home/green/bk/linux-3.10.0-1160.59.1.el7-debug/fs/read_write.c: 577
#15 [ffff8800a8a2ff50] system_call_fastpath at ffffffff817f400c
    /home/green/bk/linux-3.10.0-1160.59.1.el7-debug/arch/x86/kernel/entry_64.S: 511
    RIP: 00007f88470a8b40  RSP: 00007ffc56cf5d28  RFLAGS: 00000206
    RAX: 0000000000000000  RBX: 0000000001674030  RCX: 00000000a001dcaa
    RDX: 0000000000008000  RSI: 0000000001674270  RDI: 0000000000000003
    RBP: 00007f884737d380   R8: 0000000000000b48   R9: 0000000098a48ea8
    R10: 0000000042d370e0  R11: 0000000000000246  R12: 0000000000008000
    R13: 0000000000000d70  R14: 00007f884737c838  R15: 0000000001674270
    ORIG_RAX: 0000000000000000  CS: 0033  SS: 002b