PID: 8112   TASK: ffff8b102e3fa7c0  CPU: 2   COMMAND: "ll_ost_io00_002"
 #0 [ffffb34f04b3b678] machine_kexec at ffffffffa64850a3
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/kernel/machine_kexec_64.c: 417
 #1 [ffffb34f04b3b6d0] __crash_kexec at ffffffffa663e5ba
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/kernel/kexec_core.c: 955
 #2 [ffffb34f04b3b790] crash_kexec at ffffffffa663fc05
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/./include/linux/compiler.h: 356
 #3 [ffffb34f04b3b7a8] oops_end at ffffffffa6437cb5
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/kernel/dumpstack.c: 339
 #4 [ffffb34f04b3b7c8] no_context.cold.27 at ffffffffa64a1a56
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 796
 #5 [ffffb34f04b3b820] __bad_area_nosemaphore at ffffffffa64a0356
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 870
 #6 [ffffb34f04b3b868] bad_area_nosemaphore at ffffffffa64a06fa
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 877
 #7 [ffffb34f04b3b870] do_user_addr_fault at ffffffffa64a10c0
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1306
 #8 [ffffb34f04b3b8c0] __do_page_fault at ffffffffa64a15bb
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1497
 #9 [ffffb34f04b3b8e0] do_page_fault at ffffffffa64a1677
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1547
#10 [ffffb34f04b3b910] page_fault at ffffffffa7400f8e
    /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: ffffffffc0720e20  RSP: ffffb34f04b3b9c0  RFLAGS: 00010246
    RAX: 0000000000000000  RBX: ffff8b101802b728  RCX: 0000000000000002
    RDX: ffff8b103bd4e800  RSI: 00000000b0000202  RDI: ffff8b0f0639d660
    RBP: 0000000000000002   R8: 0000000000000000   R9: 0000000000000000
    R10: ffff8b1010360300  R11: ffff8b103d17eaf0  R12: ffff8b1037c84000
    R13: ffff8b103d820000  R14: ffff8b1037c84000  R15: 0000000000000000
    ORIG_RAX: ffffffffffffffff  CS: 0010  SS: 0018
#11 [ffffb34f04b3b9c0] osd_bufs_put at ffffffffc1e14d97 [osd_zfs]
    /home/green/git/lustre-release/lustre/osd-zfs/osd_io.c: 488
#12 [ffffb34f04b3ba08] ofd_release_chunk_lnb at ffffffffc22c8882 [ofd]
    /home/green/git/lustre-release/lustre/include/dt_object.h: 2436
#13 [ffffb34f04b3ba30] ofd_commitrw_write at ffffffffc22b4376 [ofd]
    /home/green/git/lustre-release/lustre/ofd/ofd_io.c: 1761
#14 [ffffb34f04b3bad0] ofd_commitrw at ffffffffc22bc07c [ofd]
    /home/green/git/lustre-release/lustre/ofd/ofd_io.c: 1885
#15 [ffffb34f04b3bba8] tgt_brw_write at ffffffffc165c588 [ptlrpc]
    /home/green/git/lustre-release/lustre/include/obd_class.h: 1189
#16 [ffffb34f04b3bd78] tgt_handle_request0 at ffffffffc1654bf7 [ptlrpc]
    /home/green/git/lustre-release/lustre/include/lu_target.h: 644
#17 [ffffb34f04b3bda8] tgt_request_handle at ffffffffc1656895 [ptlrpc]
    /home/green/git/lustre-release/lustre/ptlrpc/../target/tgt_handler.c: 901
#18 [ffffb34f04b3be28] ptlrpc_server_handle_request at ffffffffc154e9a3 [ptlrpc]
    /home/green/git/lustre-release/lustre/include/lustre_net.h: 2383
#19 [ffffb34f04b3be90] ptlrpc_main at ffffffffc1551bc8 [ptlrpc]
    /home/green/git/lustre-release/lustre/ptlrpc/service.c: 3145
#20 [ffffb34f04b3bf10] kthread at ffffffffa6557041
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/kernel/kthread.c: 364
#21 [ffffb34f04b3bf50] ret_from_fork at ffffffffa74001ff
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/entry/entry_64.S: 330