PID: 6699   TASK: ffff8d8d378f4f80  CPU: 3   COMMAND: "ll_ost_io00_002"
 #0 [ffffb06d02f0f688] machine_kexec at ffffffffb3c850a3
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/kernel/machine_kexec_64.c: 417
 #1 [ffffb06d02f0f6e0] __crash_kexec at ffffffffb3e3e5ba
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/kernel/kexec_core.c: 955
 #2 [ffffb06d02f0f7a0] crash_kexec at ffffffffb3e3fc05
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/./include/linux/compiler.h: 356
 #3 [ffffb06d02f0f7b8] oops_end at ffffffffb3c37cb5
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/kernel/dumpstack.c: 339
 #4 [ffffb06d02f0f7d8] no_context.cold.27 at ffffffffb3ca1a56
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 796
 #5 [ffffb06d02f0f830] __bad_area_nosemaphore at ffffffffb3ca0356
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 870
 #6 [ffffb06d02f0f878] bad_area_nosemaphore at ffffffffb3ca06fa
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 877
 #7 [ffffb06d02f0f880] do_user_addr_fault at ffffffffb3ca10c0
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1306
 #8 [ffffb06d02f0f8d0] __do_page_fault at ffffffffb3ca15bb
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1497
 #9 [ffffb06d02f0f8f0] do_page_fault at ffffffffb3ca1677
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1547
#10 [ffffb06d02f0f920] page_fault at ffffffffb4c00f8e
    /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: ffffffffc06b6e20  RSP: ffffb06d02f0f9d0  RFLAGS: 00010246
    RAX: 0000000000000000  RBX: ffff8d8d39a328e8  RCX: 0000000000000001
    RDX: ffff8d8d40efa000  RSI: 00000000b0000202  RDI: ffff8d8d259c5980
    RBP: 0000000000000001   R8: 0000000000000001   R9: 0000000000000000
    R10: ffff8d8d10965f00  R11: ffff8d8c0144d850  R12: ffff8d8d287e4000
    R13: ffff8d8d2d5e0000  R14: ffff8d8d287e4000  R15: 0000000000000000
    ORIG_RAX: ffffffffffffffff  CS: 0010  SS: 0018
#11 [ffffb06d02f0f9d0] osd_bufs_put at ffffffffc1daed97 [osd_zfs]
    /home/green/git/lustre-release/lustre/osd-zfs/osd_io.c: 488
#12 [ffffb06d02f0fa18] ofd_release_chunk_lnb at ffffffffc2266652 [ofd]
    /home/green/git/lustre-release/lustre/include/dt_object.h: 2436
#13 [ffffb06d02f0fa40] ofd_commitrw_write at ffffffffc2253018 [ofd]
    /home/green/git/lustre-release/lustre/ofd/ofd_io.c: 1508
#14 [ffffb06d02f0fae0] ofd_commitrw at ffffffffc225a57c [ofd]
    /home/green/git/lustre-release/lustre/ofd/ofd_io.c: 1633
#15 [ffffb06d02f0fbb8] tgt_brw_write at ffffffffc15bf56c [ptlrpc]
    /home/green/git/lustre-release/lustre/include/obd_class.h: 1186
#16 [ffffb06d02f0fd78] tgt_handle_request0 at ffffffffc15b7d17 [ptlrpc]
    /home/green/git/lustre-release/lustre/include/lu_target.h: 646
#17 [ffffb06d02f0fda8] tgt_request_handle at ffffffffc15b99b5 [ptlrpc]
    /home/green/git/lustre-release/lustre/ptlrpc/../target/tgt_handler.c: 901
#18 [ffffb06d02f0fe28] ptlrpc_server_handle_request at ffffffffc14b19e3 [ptlrpc]
    /home/green/git/lustre-release/lustre/include/lustre_net.h: 2383
#19 [ffffb06d02f0fe90] ptlrpc_main at ffffffffc14b4c08 [ptlrpc]
    /home/green/git/lustre-release/lustre/ptlrpc/service.c: 3145
#20 [ffffb06d02f0ff10] kthread at ffffffffb3d57041
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/kernel/kthread.c: 364
#21 [ffffb06d02f0ff50] ret_from_fork at ffffffffb4c001ff
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/entry/entry_64.S: 330