PID: 21044  TASK: ffff88012b724440  CPU: 3   COMMAND: "md5sum"
 #0 [ffff8800a8acf8b0] 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 [ffff8800a8acf910] __crash_kexec at ffffffff811160a2
    /home/green/bk/linux-3.10.0-1160.59.1.el7-debug/kernel/kexec_core.c: 897
 #2 [ffff8800a8acf9e0] panic at ffffffff817d8546
    /home/green/bk/linux-3.10.0-1160.59.1.el7-debug/./arch/x86/include/asm/smp.h: 93
 #3 [ffff8800a8acfa60] lbug_with_loc at ffffffffa02acb95 [libcfs]
    /home/green/git/lustre-release/libcfs/libcfs/debug.c: 549
 #4 [ffff8800a8acfa78] cl_env_percpu_put at ffffffffa058356e [obdclass]
    /home/green/git/lustre-release/lustre/obdclass/cl_object.c: 992
 #5 [ffff8800a8acfa88] do_read_folio at ffffffffa10db7fc [lustre]
    /home/green/git/lustre-release/libcfs/include/libcfs/libcfs_debug.h: 112
 #6 [ffff8800a8acfb88] ll_readpage at ffffffffa10dc39e [lustre]
    /home/green/git/lustre-release/lustre/llite/rw.c: 2374
 #7 [ffff8800a8acfb98] 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 [ffff8800a8acfc20] generic_file_aio_read at ffffffff811b7049
    /home/green/bk/linux-3.10.0-1160.59.1.el7-debug/mm/filemap.c: 2131
 #9 [ffff8800a8acfca8] do_file_read_iter at ffffffffa10a8a6a [lustre]
    /home/green/git/lustre-release/lustre/include/lustre_compat.h: 387
#10 [ffff8800a8acfd80] ll_file_read_iter at ffffffffa10a949d [lustre]
    /home/green/git/lustre-release/lustre/llite/file.c: 2548
#11 [ffff8800a8acfd90] ll_file_aio_read at ffffffffa10a9661 [lustre]
    /home/green/git/lustre-release/lustre/llite/file.c: 2771
#12 [ffff8800a8acfde8] ll_file_read at ffffffffa10a97d1 [lustre]
    /home/green/git/lustre-release/lustre/llite/file.c: 2794
#13 [ffff8800a8acfed0] vfs_read at ffffffff81244899
    /home/green/bk/linux-3.10.0-1160.59.1.el7-debug/fs/read_write.c: 465
#14 [ffff8800a8acff08] sys_read at ffffffff812457cf
    /home/green/bk/linux-3.10.0-1160.59.1.el7-debug/fs/read_write.c: 577
#15 [ffff8800a8acff50] 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: 00007f842136eb40  RSP: 00007ffe01f00888  RFLAGS: 00000202
    RAX: 0000000000000000  RBX: 000000000068f030  RCX: 000000002fa15d24
    RDX: 0000000000008000  RSI: 000000000068f270  RDI: 0000000000000003
    RBP: 00007f8421643380   R8: 0000000000000b48   R9: 000000007c36aa06
    R10: 00000000aeca66b5  R11: 0000000000000246  R12: 0000000000008000
    R13: 0000000000000d70  R14: 00007f8421642838  R15: 000000000068f270
    ORIG_RAX: 0000000000000000  CS: 0033  SS: 002b