PID: 8101   TASK: ffff8ab430344f80  CPU: 3   COMMAND: "ll_ost_io00_002"
 #0 [ffffa3a2c4033678] machine_kexec at ffffffffa4c850a3
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/kernel/machine_kexec_64.c: 417
 #1 [ffffa3a2c40336d0] __crash_kexec at ffffffffa4e3e5ba
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/kernel/kexec_core.c: 955
 #2 [ffffa3a2c4033790] crash_kexec at ffffffffa4e3fc05
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/./include/linux/compiler.h: 356
 #3 [ffffa3a2c40337a8] oops_end at ffffffffa4c37cb5
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/kernel/dumpstack.c: 339
 #4 [ffffa3a2c40337c8] no_context.cold.27 at ffffffffa4ca1a56
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 796
 #5 [ffffa3a2c4033820] __bad_area_nosemaphore at ffffffffa4ca0356
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 870
 #6 [ffffa3a2c4033868] bad_area_nosemaphore at ffffffffa4ca06fa
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 877
 #7 [ffffa3a2c4033870] do_user_addr_fault at ffffffffa4ca10c0
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1306
 #8 [ffffa3a2c40338c0] __do_page_fault at ffffffffa4ca15bb
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1497
 #9 [ffffa3a2c40338e0] do_page_fault at ffffffffa4ca1677
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1547
#10 [ffffa3a2c4033910] page_fault at ffffffffa5c00f8e
    /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: ffffffffc08dce20  RSP: ffffa3a2c40339c0  RFLAGS: 00010246
    RAX: 0000000000000000  RBX: ffff8ab304958558  RCX: 0000000000000002
    RDX: ffff8ab43b57d400  RSI: 00000000b0000202  RDI: ffff8ab305d4c1a0
    RBP: 0000000000000002   R8: 0000000000000000   R9: 0000000000000000
    R10: ffff8ab42e6be180  R11: ffff8ab437563310  R12: ffff8ab43c1e4000
    R13: ffff8ab42e380000  R14: ffff8ab43c1e4000  R15: 0000000000000000
    ORIG_RAX: ffffffffffffffff  CS: 0010  SS: 0018
#11 [ffffa3a2c40339c0] osd_bufs_put at ffffffffc1fcdd97 [osd_zfs]
    /home/green/git/lustre-release/lustre/osd-zfs/osd_io.c: 488
#12 [ffffa3a2c4033a08] ofd_release_chunk_lnb at ffffffffc2481882 [ofd]
    /home/green/git/lustre-release/lustre/include/dt_object.h: 2436
#13 [ffffa3a2c4033a30] ofd_commitrw_write at ffffffffc246d376 [ofd]
    /home/green/git/lustre-release/lustre/ofd/ofd_io.c: 1761
#14 [ffffa3a2c4033ad0] ofd_commitrw at ffffffffc247507c [ofd]
    /home/green/git/lustre-release/lustre/ofd/ofd_io.c: 1885
#15 [ffffa3a2c4033ba8] tgt_brw_write at ffffffffc17e0588 [ptlrpc]
    /home/green/git/lustre-release/lustre/include/obd_class.h: 1189
#16 [ffffa3a2c4033d78] tgt_handle_request0 at ffffffffc17d8bf7 [ptlrpc]
    /home/green/git/lustre-release/lustre/include/lu_target.h: 644
#17 [ffffa3a2c4033da8] tgt_request_handle at ffffffffc17da895 [ptlrpc]
    /home/green/git/lustre-release/lustre/ptlrpc/../target/tgt_handler.c: 901
#18 [ffffa3a2c4033e28] ptlrpc_server_handle_request at ffffffffc16d29a3 [ptlrpc]
    /home/green/git/lustre-release/lustre/include/lustre_net.h: 2383
#19 [ffffa3a2c4033e90] ptlrpc_main at ffffffffc16d5bc8 [ptlrpc]
    /home/green/git/lustre-release/lustre/ptlrpc/service.c: 3145
#20 [ffffa3a2c4033f10] kthread at ffffffffa4d57041
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/kernel/kthread.c: 364
#21 [ffffa3a2c4033f50] ret_from_fork at ffffffffa5c001ff
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/entry/entry_64.S: 330