PID: 6702   TASK: ffff97b473688000  CPU: 0   COMMAND: "ll_ost_io00_000"
 #0 [ffffaede8227f688] machine_kexec at ffffffffac8850a3
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/kernel/machine_kexec_64.c: 417
 #1 [ffffaede8227f6e0] __crash_kexec at ffffffffaca3e5ba
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/kernel/kexec_core.c: 955
 #2 [ffffaede8227f7a0] crash_kexec at ffffffffaca3fc05
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/./include/linux/compiler.h: 356
 #3 [ffffaede8227f7b8] oops_end at ffffffffac837cb5
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/kernel/dumpstack.c: 339
 #4 [ffffaede8227f7d8] no_context.cold.27 at ffffffffac8a1a56
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 796
 #5 [ffffaede8227f830] __bad_area_nosemaphore at ffffffffac8a0356
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 870
 #6 [ffffaede8227f878] bad_area_nosemaphore at ffffffffac8a06fa
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 877
 #7 [ffffaede8227f880] do_user_addr_fault at ffffffffac8a10c0
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1306
 #8 [ffffaede8227f8d0] __do_page_fault at ffffffffac8a15bb
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1497
 #9 [ffffaede8227f8f0] do_page_fault at ffffffffac8a1677
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1547
#10 [ffffaede8227f920] page_fault at ffffffffad800f8e
    /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: ffffffffc05b2e20  RSP: ffffaede8227f9d0  RFLAGS: 00010246
    RAX: 0000000000000000  RBX: ffff97b472da5ab8  RCX: 0000000000000001
    RDX: ffff97b448053800  RSI: 00000000b0000202  RDI: ffff97b447fe2900
    RBP: 0000000000000001   R8: 0000000000000001   R9: 0000000000000000
    R10: ffff97b343bbe480  R11: ffff97b47fca3310  R12: ffff97b341d18000
    R13: ffff97b473780000  R14: ffff97b341d18000  R15: 0000000000000000
    ORIG_RAX: ffffffffffffffff  CS: 0010  SS: 0018
#11 [ffffaede8227f9d0] osd_bufs_put at ffffffffc1ca5d97 [osd_zfs]
    /home/green/git/lustre-release/lustre/osd-zfs/osd_io.c: 488
#12 [ffffaede8227fa18] ofd_release_chunk_lnb at ffffffffc2158ca2 [ofd]
    /home/green/git/lustre-release/lustre/include/dt_object.h: 2436
#13 [ffffaede8227fa40] ofd_commitrw_write at ffffffffc2145708 [ofd]
    /home/green/git/lustre-release/lustre/ofd/ofd_io.c: 1508
#14 [ffffaede8227fae0] ofd_commitrw at ffffffffc214cca9 [ofd]
    /home/green/git/lustre-release/lustre/ofd/ofd_io.c: 1633
#15 [ffffaede8227fbb8] tgt_brw_write at ffffffffc14b851c [ptlrpc]
    /home/green/git/lustre-release/lustre/include/obd_class.h: 1186
#16 [ffffaede8227fd78] tgt_handle_request0 at ffffffffc14b0cc7 [ptlrpc]
    /home/green/git/lustre-release/lustre/include/lu_target.h: 646
#17 [ffffaede8227fda8] tgt_request_handle at ffffffffc14b2965 [ptlrpc]
    /home/green/git/lustre-release/lustre/ptlrpc/../target/tgt_handler.c: 901
#18 [ffffaede8227fe28] ptlrpc_server_handle_request at ffffffffc13aa9a3 [ptlrpc]
    /home/green/git/lustre-release/lustre/include/lustre_net.h: 2383
#19 [ffffaede8227fe90] ptlrpc_main at ffffffffc13adbc8 [ptlrpc]
    /home/green/git/lustre-release/lustre/ptlrpc/service.c: 3145
#20 [ffffaede8227ff10] kthread at ffffffffac957041
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/kernel/kthread.c: 364
#21 [ffffaede8227ff50] ret_from_fork at ffffffffad8001ff
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/entry/entry_64.S: 330