PID: 6715   TASK: ffff8dbe580da7c0  CPU: 3   COMMAND: "ll_ost_io00_002"
 #0 [ffffb29a02bab678] machine_kexec at ffffffffb1c850a3
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/kernel/machine_kexec_64.c: 417
 #1 [ffffb29a02bab6d0] __crash_kexec at ffffffffb1e3e5ba
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/kernel/kexec_core.c: 955
 #2 [ffffb29a02bab790] crash_kexec at ffffffffb1e3fc05
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/./include/linux/compiler.h: 356
 #3 [ffffb29a02bab7a8] oops_end at ffffffffb1c37cb5
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/kernel/dumpstack.c: 339
 #4 [ffffb29a02bab7c8] no_context.cold.27 at ffffffffb1ca1a56
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 796
 #5 [ffffb29a02bab820] __bad_area_nosemaphore at ffffffffb1ca0356
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 870
 #6 [ffffb29a02bab868] bad_area_nosemaphore at ffffffffb1ca06fa
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 877
 #7 [ffffb29a02bab870] do_user_addr_fault at ffffffffb1ca10c0
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1306
 #8 [ffffb29a02bab8c0] __do_page_fault at ffffffffb1ca15bb
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1497
 #9 [ffffb29a02bab8e0] do_page_fault at ffffffffb1ca1677
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1547
#10 [ffffb29a02bab910] page_fault at ffffffffb2c00f8e
    /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: ffffffffc08dee20  RSP: ffffb29a02bab9c0  RFLAGS: 00010246
    RAX: 0000000000000000  RBX: ffff8dbd45d13398  RCX: 0000000000000002
    RDX: ffff8dbe68d50400  RSI: 00000000b0000202  RDI: ffff8dbe51f42e60
    RBP: 0000000000000002   R8: 0000000000000000   R9: 0000000000000000
    R10: ffff8dbe80b79840  R11: ffff8dbe69c70480  R12: ffff8dbe7e80c000
    R13: ffff8dbe6e880000  R14: ffff8dbe7e80c000  R15: 0000000000000000
    ORIG_RAX: ffffffffffffffff  CS: 0010  SS: 0018
#11 [ffffb29a02bab9c0] osd_bufs_put at ffffffffc1fcfd97 [osd_zfs]
    /home/green/git/lustre-release/lustre/osd-zfs/osd_io.c: 488
#12 [ffffb29a02baba08] ofd_release_chunk_lnb at ffffffffc2483882 [ofd]
    /home/green/git/lustre-release/lustre/include/dt_object.h: 2436
#13 [ffffb29a02baba30] ofd_commitrw_write at ffffffffc246f376 [ofd]
    /home/green/git/lustre-release/lustre/ofd/ofd_io.c: 1761
#14 [ffffb29a02babad0] ofd_commitrw at ffffffffc247707c [ofd]
    /home/green/git/lustre-release/lustre/ofd/ofd_io.c: 1885
#15 [ffffb29a02babba8] tgt_brw_write at ffffffffc17e2588 [ptlrpc]
    /home/green/git/lustre-release/lustre/include/obd_class.h: 1189
#16 [ffffb29a02babd78] tgt_handle_request0 at ffffffffc17dabf7 [ptlrpc]
    /home/green/git/lustre-release/lustre/include/lu_target.h: 644
#17 [ffffb29a02babda8] tgt_request_handle at ffffffffc17dc895 [ptlrpc]
    /home/green/git/lustre-release/lustre/ptlrpc/../target/tgt_handler.c: 901
#18 [ffffb29a02babe28] ptlrpc_server_handle_request at ffffffffc16d49a3 [ptlrpc]
    /home/green/git/lustre-release/lustre/include/lustre_net.h: 2383
#19 [ffffb29a02babe90] ptlrpc_main at ffffffffc16d7bc8 [ptlrpc]
    /home/green/git/lustre-release/lustre/ptlrpc/service.c: 3145
#20 [ffffb29a02babf10] kthread at ffffffffb1d57041
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/kernel/kthread.c: 364
#21 [ffffb29a02babf50] ret_from_fork at ffffffffb2c001ff
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/entry/entry_64.S: 330