PID: 6702   TASK: ffff972f6017a7c0  CPU: 2   COMMAND: "ll_ost_io00_000"
 #0 [ffffa905c2bf3688] machine_kexec at ffffffff8d8850a3
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/kernel/machine_kexec_64.c: 417
 #1 [ffffa905c2bf36e0] __crash_kexec at ffffffff8da3e5ba
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/kernel/kexec_core.c: 955
 #2 [ffffa905c2bf37a0] crash_kexec at ffffffff8da3fc05
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/./include/linux/compiler.h: 356
 #3 [ffffa905c2bf37b8] oops_end at ffffffff8d837cb5
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/kernel/dumpstack.c: 339
 #4 [ffffa905c2bf37d8] no_context.cold.27 at ffffffff8d8a1a56
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 796
 #5 [ffffa905c2bf3830] __bad_area_nosemaphore at ffffffff8d8a0356
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 870
 #6 [ffffa905c2bf3878] bad_area_nosemaphore at ffffffff8d8a06fa
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 877
 #7 [ffffa905c2bf3880] do_user_addr_fault at ffffffff8d8a10c0
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1306
 #8 [ffffa905c2bf38d0] __do_page_fault at ffffffff8d8a15bb
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1497
 #9 [ffffa905c2bf38f0] do_page_fault at ffffffff8d8a1677
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1547
#10 [ffffa905c2bf3920] page_fault at ffffffff8e800f8e
    /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: ffffffffc08c3e20  RSP: ffffa905c2bf39d0  RFLAGS: 00010246
    RAX: 0000000000000000  RBX: ffff972e51d361c8  RCX: 0000000000000001
    RDX: ffff972f6049ee00  RSI: 00000000b0000202  RDI: ffff972f434da280
    RBP: 0000000000000001   R8: 0000000000000001   R9: 0000000000000000
    R10: ffff972f5817d600  R11: ffff972e415f2070  R12: ffff972f48220000
    R13: ffff972f6d820000  R14: ffff972f48220000  R15: 0000000000000000
    ORIG_RAX: ffffffffffffffff  CS: 0010  SS: 0018
#11 [ffffa905c2bf39d0] osd_bufs_put at ffffffffc1fb9d97 [osd_zfs]
    /home/green/git/lustre-release/lustre/osd-zfs/osd_io.c: 488
#12 [ffffa905c2bf3a18] ofd_release_chunk_lnb at ffffffffc246cdb2 [ofd]
    /home/green/git/lustre-release/lustre/include/dt_object.h: 2436
#13 [ffffa905c2bf3a40] ofd_commitrw_write at ffffffffc2459708 [ofd]
    /home/green/git/lustre-release/lustre/ofd/ofd_io.c: 1508
#14 [ffffa905c2bf3ae0] ofd_commitrw at ffffffffc2460ca9 [ofd]
    /home/green/git/lustre-release/lustre/ofd/ofd_io.c: 1633
#15 [ffffa905c2bf3bb8] tgt_brw_write at ffffffffc180151c [ptlrpc]
    /home/green/git/lustre-release/lustre/include/obd_class.h: 1186
#16 [ffffa905c2bf3d78] tgt_handle_request0 at ffffffffc17f9cc7 [ptlrpc]
    /home/green/git/lustre-release/lustre/include/lu_target.h: 646
#17 [ffffa905c2bf3da8] tgt_request_handle at ffffffffc17fb965 [ptlrpc]
    /home/green/git/lustre-release/lustre/ptlrpc/../target/tgt_handler.c: 901
#18 [ffffa905c2bf3e28] ptlrpc_server_handle_request at ffffffffc16f39a3 [ptlrpc]
    /home/green/git/lustre-release/lustre/include/lustre_net.h: 2383
#19 [ffffa905c2bf3e90] ptlrpc_main at ffffffffc16f6bc8 [ptlrpc]
    /home/green/git/lustre-release/lustre/ptlrpc/service.c: 3145
#20 [ffffa905c2bf3f10] kthread at ffffffff8d957041
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/kernel/kthread.c: 364
#21 [ffffa905c2bf3f50] ret_from_fork at ffffffff8e8001ff
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/entry/entry_64.S: 330