PID: 6696   TASK: ffffa06bc9c30000  CPU: 3   COMMAND: "ll_ost_io00_002"
 #0 [ffffaccb03a83688] machine_kexec at ffffffffb02850a3
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/kernel/machine_kexec_64.c: 417
 #1 [ffffaccb03a836e0] __crash_kexec at ffffffffb043e5ba
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/kernel/kexec_core.c: 955
 #2 [ffffaccb03a837a0] crash_kexec at ffffffffb043fc05
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/./include/linux/compiler.h: 356
 #3 [ffffaccb03a837b8] oops_end at ffffffffb0237cb5
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/kernel/dumpstack.c: 339
 #4 [ffffaccb03a837d8] no_context.cold.27 at ffffffffb02a1a56
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 796
 #5 [ffffaccb03a83830] __bad_area_nosemaphore at ffffffffb02a0356
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 870
 #6 [ffffaccb03a83878] bad_area_nosemaphore at ffffffffb02a06fa
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 877
 #7 [ffffaccb03a83880] do_user_addr_fault at ffffffffb02a10c0
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1306
 #8 [ffffaccb03a838d0] __do_page_fault at ffffffffb02a15bb
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1497
 #9 [ffffaccb03a838f0] do_page_fault at ffffffffb02a1677
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1547
#10 [ffffaccb03a83920] page_fault at ffffffffb1200f8e
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/entry/entry_64.S: 1236
    [exception RIP: arc_buf_size+32]
    RIP: ffffffffc06c8e20  RSP: ffffaccb03a839d0  RFLAGS: 00010246
    RAX: 0000000000000000  RBX: ffffa06acd73d1d0  RCX: 0000000000000001
    RDX: ffffa06bee939a00  RSI: 00000000b0000202  RDI: ffffa06ad0be0920
    RBP: 0000000000000001   R8: 0000000000000029   R9: 0000000000000007
    R10: ffffa06bc34dff00  R11: ffffa06becd46648  R12: ffffa06be730c000
    R13: ffffa06bee120000  R14: ffffa06be730c000  R15: 0000000000000000
    ORIG_RAX: ffffffffffffffff  CS: 0010  SS: 0018
#11 [ffffaccb03a839d0] osd_bufs_put at ffffffffc1db7d97 [osd_zfs]
    /home/green/git/lustre-release/lustre/osd-zfs/osd_io.c: 488
#12 [ffffaccb03a83a18] ofd_release_chunk_lnb at ffffffffc226b012 [ofd]
    /home/green/git/lustre-release/lustre/include/dt_object.h: 2436
#13 [ffffaccb03a83a40] ofd_commitrw_write at ffffffffc22573b8 [ofd]
    /home/green/git/lustre-release/lustre/ofd/ofd_io.c: 1501
#14 [ffffaccb03a83ae0] ofd_commitrw at ffffffffc225e9bb [ofd]
    /home/green/git/lustre-release/lustre/ofd/ofd_io.c: 1626
#15 [ffffaccb03a83bb8] tgt_brw_write at ffffffffc15cd44c [ptlrpc]
    /home/green/git/lustre-release/lustre/include/obd_class.h: 1186
#16 [ffffaccb03a83d78] tgt_handle_request0 at ffffffffc15c5bf7 [ptlrpc]
    /home/green/git/lustre-release/lustre/include/lu_target.h: 644
#17 [ffffaccb03a83da8] tgt_request_handle at ffffffffc15c7895 [ptlrpc]
    /home/green/git/lustre-release/lustre/ptlrpc/../target/tgt_handler.c: 901
#18 [ffffaccb03a83e28] ptlrpc_server_handle_request at ffffffffc14bf9a3 [ptlrpc]
    /home/green/git/lustre-release/lustre/include/lustre_net.h: 2383
#19 [ffffaccb03a83e90] ptlrpc_main at ffffffffc14c2bc8 [ptlrpc]
    /home/green/git/lustre-release/lustre/ptlrpc/service.c: 3145
#20 [ffffaccb03a83f10] kthread at ffffffffb0357041
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/kernel/kthread.c: 364
#21 [ffffaccb03a83f50] ret_from_fork at ffffffffb12001ff
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/entry/entry_64.S: 330