PID: 96361  TASK: ffff912dc6bdcf80  CPU: 0   COMMAND: "ll_ost_io00_011"
 #0 [ffffb3a7839e3688] machine_kexec at ffffffff892850a3
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/kernel/machine_kexec_64.c: 417
 #1 [ffffb3a7839e36e0] __crash_kexec at ffffffff8943e5ba
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/kernel/kexec_core.c: 955
 #2 [ffffb3a7839e37a0] crash_kexec at ffffffff8943fc05
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/./include/linux/compiler.h: 356
 #3 [ffffb3a7839e37b8] oops_end at ffffffff89237cb5
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/kernel/dumpstack.c: 339
 #4 [ffffb3a7839e37d8] no_context.cold.27 at ffffffff892a1a56
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 796
 #5 [ffffb3a7839e3830] __bad_area_nosemaphore at ffffffff892a0356
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 870
 #6 [ffffb3a7839e3878] bad_area_nosemaphore at ffffffff892a06fa
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 877
 #7 [ffffb3a7839e3880] do_user_addr_fault at ffffffff892a10c0
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1306
 #8 [ffffb3a7839e38d0] __do_page_fault at ffffffff892a15bb
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1497
 #9 [ffffb3a7839e38f0] do_page_fault at ffffffff892a1677
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1547
#10 [ffffb3a7839e3920] page_fault at ffffffff8a200f8e
    /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: ffffffffc0888e20  RSP: ffffb3a7839e39d0  RFLAGS: 00010246
    RAX: 0000000000000000  RBX: ffff912ee873cc78  RCX: 0000000000000007
    RDX: ffff912dcb36ae00  RSI: 00000000b0000202  RDI: ffff912dc967dee0
    RBP: 0000000000000007   R8: ffff912efcfa8cbc   R9: 0000000000000000
    R10: 00000000c1194a09  R11: ffff912efcfa9000  R12: ffff912dc95e6000
    R13: ffff912dd0540000  R14: ffff912dc95e6000  R15: 0000000000000000
    ORIG_RAX: ffffffffffffffff  CS: 0010  SS: 0018
#11 [ffffb3a7839e39d0] osd_bufs_put at ffffffffc1f80d97 [osd_zfs]
    /home/green/git/lustre-release/lustre/osd-zfs/osd_io.c: 488
#12 [ffffb3a7839e3a18] ofd_release_chunk_lnb at ffffffffc2438652 [ofd]
    /home/green/git/lustre-release/lustre/include/dt_object.h: 2436
#13 [ffffb3a7839e3a40] ofd_commitrw_write at ffffffffc2425018 [ofd]
    /home/green/git/lustre-release/lustre/ofd/ofd_io.c: 1508
#14 [ffffb3a7839e3ae0] ofd_commitrw at ffffffffc242c57c [ofd]
    /home/green/git/lustre-release/lustre/ofd/ofd_io.c: 1633
#15 [ffffb3a7839e3bb8] tgt_brw_write at ffffffffc179156c [ptlrpc]
    /home/green/git/lustre-release/lustre/include/obd_class.h: 1186
#16 [ffffb3a7839e3d78] tgt_handle_request0 at ffffffffc1789d17 [ptlrpc]
    /home/green/git/lustre-release/lustre/include/lu_target.h: 646
#17 [ffffb3a7839e3da8] tgt_request_handle at ffffffffc178b9b5 [ptlrpc]
    /home/green/git/lustre-release/lustre/ptlrpc/../target/tgt_handler.c: 901
#18 [ffffb3a7839e3e28] ptlrpc_server_handle_request at ffffffffc16839e3 [ptlrpc]
    /home/green/git/lustre-release/lustre/include/lustre_net.h: 2383
#19 [ffffb3a7839e3e90] ptlrpc_main at ffffffffc1686c08 [ptlrpc]
    /home/green/git/lustre-release/lustre/ptlrpc/service.c: 3145
#20 [ffffb3a7839e3f10] kthread at ffffffff89357041
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/kernel/kthread.c: 364
#21 [ffffb3a7839e3f50] ret_from_fork at ffffffff8a2001ff
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/entry/entry_64.S: 330