PID: 16177  TASK: ffff8800b6f8d550  CPU: 2   COMMAND: "dd"
 #0 [ffff8800a4aef898] 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 [ffff8800a4aef8f8] __crash_kexec at ffffffff811160a2
    /home/green/bk/linux-3.10.0-1160.59.1.el7-debug/kernel/kexec_core.c: 897
 #2 [ffff8800a4aef9c8] panic at ffffffff817d8546
    /home/green/bk/linux-3.10.0-1160.59.1.el7-debug/./arch/x86/include/asm/smp.h: 93
 #3 [ffff8800a4aefa48] lbug_with_loc at ffffffffa0208b95 [libcfs]
    /home/green/git/lustre-release/libcfs/libcfs/debug.c: 549
 #4 [ffff8800a4aefa60] cl_env_init0 at ffffffffa05c342f [obdclass]
    /home/green/git/lustre-release/lustre/obdclass/cl_object.c: 648
 #5 [ffff8800a4aefa70] cl_env_percpu_get at ffffffffa05c34de [obdclass]
    /home/green/git/lustre-release/lustre/obdclass/cl_object.c: 1008
 #6 [ffff8800a4aefa88] do_read_folio at ffffffffa10bf092 [lustre]
    /home/green/git/lustre-release/lustre/llite/rw.c: 2212
 #7 [ffff8800a4aefb88] ll_readpage at ffffffffa10bf39e [lustre]
    /home/green/git/lustre-release/lustre/llite/rw.c: 2374
 #8 [ffff8800a4aefb98] do_generic_file_read.constprop.52 at ffffffff811b5c15
    /home/green/bk/linux-3.10.0-1160.59.1.el7-debug/mm/filemap.c: 1889
 #9 [ffff8800a4aefc20] generic_file_aio_read at ffffffff811b7049
    /home/green/bk/linux-3.10.0-1160.59.1.el7-debug/mm/filemap.c: 2131
#10 [ffff8800a4aefca8] do_file_read_iter at ffffffffa108ba6a [lustre]
    /home/green/git/lustre-release/lustre/include/lustre_compat.h: 387
#11 [ffff8800a4aefd80] ll_file_read_iter at ffffffffa108c49d [lustre]
    /home/green/git/lustre-release/lustre/llite/file.c: 2548
#12 [ffff8800a4aefd90] ll_file_aio_read at ffffffffa108c661 [lustre]
    /home/green/git/lustre-release/lustre/llite/file.c: 2771
#13 [ffff8800a4aefde8] ll_file_read at ffffffffa108c7d1 [lustre]
    /home/green/git/lustre-release/lustre/llite/file.c: 2794
#14 [ffff8800a4aefed0] vfs_read at ffffffff81244899
    /home/green/bk/linux-3.10.0-1160.59.1.el7-debug/fs/read_write.c: 465
#15 [ffff8800a4aeff08] sys_read at ffffffff812457cf
    /home/green/bk/linux-3.10.0-1160.59.1.el7-debug/fs/read_write.c: 577
#16 [ffff8800a4aeff50] 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: 00007fc293441b40  RSP: 00007fffe9819ca0  RFLAGS: 00010206
    RAX: 0000000000000000  RBX: 0000000000611660  RCX: 0000000000000fff
    RDX: 0000000000100000  RSI: 00007fc293830000  RDI: 0000000000000000
    RBP: 0000000000100000   R8: ffffffffffffffff   R9: 0000000000102003
    R10: 00007fffe98196e0  R11: 0000000000000246  R12: 00007fc293830000
    R13: 0000000000000000  R14: 00007fffe981c33d  R15: 00007fffe9819f00
    ORIG_RAX: 0000000000000000  CS: 0033  SS: 002b