PID: 12946  TASK: ffff88012b085550  CPU: 0   COMMAND: "lfs"
 #0 [ffff8800a9247310] 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 [ffff8800a9247370] __crash_kexec at ffffffff811160a2
    /home/green/bk/linux-3.10.0-1160.59.1.el7-debug/kernel/kexec_core.c: 897
 #2 [ffff8800a9247440] crash_kexec at ffffffff81116190
    /home/green/bk/linux-3.10.0-1160.59.1.el7-debug/./arch/x86/include/asm/atomic.h: 37
 #3 [ffff8800a9247458] oops_end at ffffffff817eb798
    /home/green/bk/linux-3.10.0-1160.59.1.el7-debug/arch/x86/kernel/dumpstack.c: 201
 #4 [ffff8800a9247480] no_context at ffffffff810708c4
    /home/green/bk/linux-3.10.0-1160.59.1.el7-debug/arch/x86/mm/fault.c: 770
 #5 [ffff8800a92474d0] __bad_area_nosemaphore at ffffffff81070b92
    /home/green/bk/linux-3.10.0-1160.59.1.el7-debug/arch/x86/mm/fault.c: 852
 #6 [ffff8800a9247520] bad_area at ffffffff817d7cba
    /home/green/bk/linux-3.10.0-1160.59.1.el7-debug/arch/x86/mm/fault.c: 880
 #7 [ffff8800a9247548] __do_page_fault at ffffffff817ee924
    /home/green/bk/linux-3.10.0-1160.59.1.el7-debug/arch/x86/mm/fault.c: 1296
 #8 [ffff8800a92475b0] trace_do_page_fault at ffffffff817eea76
    /home/green/bk/linux-3.10.0-1160.59.1.el7-debug/arch/x86/mm/fault.c: 1396
 #9 [ffff8800a92475f0] do_async_page_fault at ffffffff817edfe2
    /home/green/bk/linux-3.10.0-1160.59.1.el7-debug/arch/x86/kernel/kvm.c: 289
#10 [ffff8800a9247610] async_page_fault at ffffffff817ea7a8
    /home/green/bk/linux-3.10.0-1160.59.1.el7-debug/arch/x86/kernel/entry_64.S: 1432
    [exception RIP: osc_io_submit+322]
    RIP: ffffffffa0a5c4d2  RSP: ffff8800a92476c8  RFLAGS: 00010246
    RAX: 0000000000000000  RBX: 0000000000000281  RCX: ffff8800aa121710
    RDX: 0000000000020281  RSI: ffff8800ab7b2b00  RDI: ffffea0002b10840
    RBP: ffff8800a9247768   R8: ffff8800aa1447f8   R9: 0000000000000002
    R10: 0000000000000000  R11: 0000000000000000  R12: ffff8800aa1447f8
    R13: ffff8800aa34ba00  R14: ffff8800aa2701d8  R15: 0000000000000000
    ORIG_RAX: ffffffffffffffff  CS: 0010  SS: 0018
    /home/green/git/lustre-release/lustre/osc/osc_io.c: 164
#11 [ffff8800a9247770] cl_io_submit_rw at ffffffffa05b24c2 [obdclass]
    /home/green/git/lustre-release/lustre/obdclass/cl_io.c: 659
#12 [ffff8800a92477b0] lov_io_submit at ffffffffa0ab2e64 [lov]
    /home/green/git/lustre-release/lustre/lov/lov_io.c: 1408
#13 [ffff8800a9247818] cl_io_submit_rw at ffffffffa05b24c2 [obdclass]
    /home/green/git/lustre-release/lustre/obdclass/cl_io.c: 659
#14 [ffff8800a9247858] ll_direct_IO_impl at ffffffffa104d6d0 [lustre]
    /home/green/git/lustre-release/lustre/llite/rw26.c: 435
#15 [ffff8800a9247960] ll_direct_IO at ffffffffa104e10c [lustre]
    /home/green/git/lustre-release/lustre/llite/rw26.c: 728
#16 [ffff8800a92479a8] generic_file_aio_read at ffffffff811b70ce
    /home/green/bk/linux-3.10.0-1160.59.1.el7-debug/mm/filemap.c: 2076
#17 [ffff8800a9247a30] vvp_io_read_start at ffffffffa10614e9 [lustre]
    /home/green/git/lustre-release/lustre/include/lustre_compat.h: 407
#18 [ffff8800a9247b28] cl_io_start at ffffffffa05b221d [obdclass]
    /home/green/git/lustre-release/lustre/obdclass/cl_io.c: 507
#19 [ffff8800a9247b58] cl_io_loop at ffffffffa05b4f5f [obdclass]
    /home/green/git/lustre-release/lustre/obdclass/cl_io.c: 771
#20 [ffff8800a9247b90] ll_file_io_generic at ffffffffa0ffc7cb [lustre]
    /home/green/git/lustre-release/lustre/llite/file.c: 1914
#21 [ffff8800a9247ca8] do_file_read_iter at ffffffffa0ffeec6 [lustre]
    /home/green/git/lustre-release/lustre/llite/file.c: 2360
#22 [ffff8800a9247d78] ll_file_read_iter at ffffffffa0fff32d [lustre]
    /home/green/git/lustre-release/lustre/llite/file.c: 2401
#23 [ffff8800a9247d88] ll_file_aio_read at ffffffffa0fff4f1 [lustre]
    /home/green/git/lustre-release/lustre/llite/file.c: 2627
#24 [ffff8800a9247de0] ll_file_read at ffffffffa0fff661 [lustre]
    /home/green/git/lustre-release/lustre/llite/file.c: 2651
#25 [ffff8800a9247ec8] vfs_read at ffffffff81244899
    /home/green/bk/linux-3.10.0-1160.59.1.el7-debug/fs/read_write.c: 465
#26 [ffff8800a9247f00] sys_pread64 at ffffffff812459c2
    /home/green/bk/linux-3.10.0-1160.59.1.el7-debug/include/linux/file.h: 38
#27 [ffff8800a9247f50] 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: 00007fb379e57fa3  RSP: 00007ffcf4079378  RFLAGS: 00010246
    RAX: 0000000000000011  RBX: 0000000000000000  RCX: 00007fb378e074b4
    RDX: 0000000000001000  RSI: 00007fb374b13000  RDI: 0000000000000003
    RBP: 00007fb374b13000   R8: 0000000000000000   R9: 0000000000000092
    R10: 0000000000000000  R11: 0000000000000246  R12: 0000000000000000
    R13: 0000000000000003  R14: 0000000000000fff  R15: 0000000000001000
    ORIG_RAX: 0000000000000011  CS: 0033  SS: 002b