PID: 19905  TASK: ffff8800a7ab4440  CPU: 0   COMMAND: "lfs"
 #0 [ffff8800a8433310] 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 [ffff8800a8433370] __crash_kexec at ffffffff811160a2
    /home/green/bk/linux-3.10.0-1160.59.1.el7-debug/kernel/kexec_core.c: 897
 #2 [ffff8800a8433440] crash_kexec at ffffffff81116190
    /home/green/bk/linux-3.10.0-1160.59.1.el7-debug/./arch/x86/include/asm/atomic.h: 37
 #3 [ffff8800a8433458] oops_end at ffffffff817eb798
    /home/green/bk/linux-3.10.0-1160.59.1.el7-debug/arch/x86/kernel/dumpstack.c: 201
 #4 [ffff8800a8433480] no_context at ffffffff810708c4
    /home/green/bk/linux-3.10.0-1160.59.1.el7-debug/arch/x86/mm/fault.c: 770
 #5 [ffff8800a84334d0] __bad_area_nosemaphore at ffffffff81070b92
    /home/green/bk/linux-3.10.0-1160.59.1.el7-debug/arch/x86/mm/fault.c: 852
 #6 [ffff8800a8433520] bad_area at ffffffff817d7cba
    /home/green/bk/linux-3.10.0-1160.59.1.el7-debug/arch/x86/mm/fault.c: 880
 #7 [ffff8800a8433548] __do_page_fault at ffffffff817ee924
    /home/green/bk/linux-3.10.0-1160.59.1.el7-debug/arch/x86/mm/fault.c: 1296
 #8 [ffff8800a84335b0] 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 [ffff8800a84335f0] 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 [ffff8800a8433610] 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: ffff8800a84336c8  RFLAGS: 00010246
    RAX: 0000000000000000  RBX: 0000000000000081  RCX: ffff88012c14e910
    RDX: 0000000000020081  RSI: ffff8800a83baf20  RDI: ffffea00029c7d80
    RBP: ffff8800a8433768   R8: ffff8800a7827978   R9: ffff8800a82b28d0
    R10: 0000000000000000  R11: 0000000000000000  R12: ffff8800a7827978
    R13: ffff8800a98a7a00  R14: ffff8800a812a460  R15: 0000000000000000
    ORIG_RAX: ffffffffffffffff  CS: 0010  SS: 0018
    /home/green/git/lustre-release/lustre/osc/osc_io.c: 164
#11 [ffff8800a8433770] cl_io_submit_rw at ffffffffa05b24c2 [obdclass]
    /home/green/git/lustre-release/lustre/obdclass/cl_io.c: 659
#12 [ffff8800a84337b0] lov_io_submit at ffffffffa0ab2e64 [lov]
    /home/green/git/lustre-release/lustre/lov/lov_io.c: 1408
#13 [ffff8800a8433818] cl_io_submit_rw at ffffffffa05b24c2 [obdclass]
    /home/green/git/lustre-release/lustre/obdclass/cl_io.c: 659
#14 [ffff8800a8433858] ll_direct_IO_impl at ffffffffa10956d0 [lustre]
    /home/green/git/lustre-release/lustre/llite/rw26.c: 435
#15 [ffff8800a8433960] ll_direct_IO at ffffffffa109610c [lustre]
    /home/green/git/lustre-release/lustre/llite/rw26.c: 728
#16 [ffff8800a84339a8] generic_file_aio_read at ffffffff811b70ce
    /home/green/bk/linux-3.10.0-1160.59.1.el7-debug/mm/filemap.c: 2076
#17 [ffff8800a8433a30] vvp_io_read_start at ffffffffa10a94e9 [lustre]
    /home/green/git/lustre-release/lustre/include/lustre_compat.h: 407
#18 [ffff8800a8433b28] cl_io_start at ffffffffa05b221d [obdclass]
    /home/green/git/lustre-release/lustre/obdclass/cl_io.c: 507
#19 [ffff8800a8433b58] cl_io_loop at ffffffffa05b4f5f [obdclass]
    /home/green/git/lustre-release/lustre/obdclass/cl_io.c: 771
#20 [ffff8800a8433b90] ll_file_io_generic at ffffffffa10447cb [lustre]
    /home/green/git/lustre-release/lustre/llite/file.c: 1914
#21 [ffff8800a8433ca8] do_file_read_iter at ffffffffa1046ec6 [lustre]
    /home/green/git/lustre-release/lustre/llite/file.c: 2360
#22 [ffff8800a8433d78] ll_file_read_iter at ffffffffa104732d [lustre]
    /home/green/git/lustre-release/lustre/llite/file.c: 2401
#23 [ffff8800a8433d88] ll_file_aio_read at ffffffffa10474f1 [lustre]
    /home/green/git/lustre-release/lustre/llite/file.c: 2627
#24 [ffff8800a8433de0] ll_file_read at ffffffffa1047661 [lustre]
    /home/green/git/lustre-release/lustre/llite/file.c: 2651
#25 [ffff8800a8433ec8] vfs_read at ffffffff81244899
    /home/green/bk/linux-3.10.0-1160.59.1.el7-debug/fs/read_write.c: 465
#26 [ffff8800a8433f00] sys_pread64 at ffffffff812459c2
    /home/green/bk/linux-3.10.0-1160.59.1.el7-debug/include/linux/file.h: 38
#27 [ffff8800a8433f50] 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: 00007f0a40699fa3  RSP: 00007ffe5c492a78  RFLAGS: 00010206
    RAX: 0000000000000011  RBX: 0000000000001000  RCX: 00007f0a40699d01
    RDX: 0000000004000000  RSI: 00007f0a3b355000  RDI: 0000000000000003
    RBP: 0000000000000000   R8: 0000000000000003   R9: 00000000000000c9
    R10: 0000000000000000  R11: 0000000000000246  R12: 0000000000000000
    R13: 0000000000000000  R14: 0000000000000000  R15: 00007ffe5c492b30
    ORIG_RAX: 0000000000000011  CS: 0033  SS: 002b