PID: 8128   TASK: ffff914eb4458000  CPU: 2   COMMAND: "ll_ost_io00_002"
 #0 [ffffa9b4847e7678] machine_kexec at ffffffff9ba850a3
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/kernel/machine_kexec_64.c: 417
 #1 [ffffa9b4847e76d0] __crash_kexec at ffffffff9bc3e5ba
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/kernel/kexec_core.c: 955
 #2 [ffffa9b4847e7790] crash_kexec at ffffffff9bc3fc05
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/./include/linux/compiler.h: 356
 #3 [ffffa9b4847e77a8] oops_end at ffffffff9ba37cb5
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/kernel/dumpstack.c: 339
 #4 [ffffa9b4847e77c8] no_context.cold.27 at ffffffff9baa1a56
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 796
 #5 [ffffa9b4847e7820] __bad_area_nosemaphore at ffffffff9baa0356
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 870
 #6 [ffffa9b4847e7868] bad_area_nosemaphore at ffffffff9baa06fa
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 877
 #7 [ffffa9b4847e7870] do_user_addr_fault at ffffffff9baa10c0
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1306
 #8 [ffffa9b4847e78c0] __do_page_fault at ffffffff9baa15bb
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1497
 #9 [ffffa9b4847e78e0] do_page_fault at ffffffff9baa1677
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1547
#10 [ffffa9b4847e7910] page_fault at ffffffff9ca00f8e
    /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: ffffffffc05b3e20  RSP: ffffa9b4847e79c0  RFLAGS: 00010246
    RAX: 0000000000000000  RBX: ffff914ebec74390  RCX: 0000000000000002
    RDX: ffff914eb371e800  RSI: 00000000b0000202  RDI: ffff914ebea302c0
    RBP: 0000000000000002   R8: 0000000000000000   R9: 0000000000000000
    R10: ffff914e96d98a80  R11: ffff914ebdfedcf8  R12: ffff914ebe700000
    R13: ffff914ebe220000  R14: ffff914ebe700000  R15: 0000000000000000
    ORIG_RAX: ffffffffffffffff  CS: 0010  SS: 0018
#11 [ffffa9b4847e79c0] osd_bufs_put at ffffffffc1ca4d97 [osd_zfs]
    /home/green/git/lustre-release/lustre/osd-zfs/osd_io.c: 488
#12 [ffffa9b4847e7a08] ofd_release_chunk_lnb at ffffffffc2158882 [ofd]
    /home/green/git/lustre-release/lustre/include/dt_object.h: 2436
#13 [ffffa9b4847e7a30] ofd_commitrw_write at ffffffffc2144376 [ofd]
    /home/green/git/lustre-release/lustre/ofd/ofd_io.c: 1761
#14 [ffffa9b4847e7ad0] ofd_commitrw at ffffffffc214c07c [ofd]
    /home/green/git/lustre-release/lustre/ofd/ofd_io.c: 1885
#15 [ffffa9b4847e7ba8] tgt_brw_write at ffffffffc14b7588 [ptlrpc]
    /home/green/git/lustre-release/lustre/include/obd_class.h: 1189
#16 [ffffa9b4847e7d78] tgt_handle_request0 at ffffffffc14afbf7 [ptlrpc]
    /home/green/git/lustre-release/lustre/include/lu_target.h: 644
#17 [ffffa9b4847e7da8] tgt_request_handle at ffffffffc14b1895 [ptlrpc]
    /home/green/git/lustre-release/lustre/ptlrpc/../target/tgt_handler.c: 901
#18 [ffffa9b4847e7e28] ptlrpc_server_handle_request at ffffffffc13a99a3 [ptlrpc]
    /home/green/git/lustre-release/lustre/include/lustre_net.h: 2383
#19 [ffffa9b4847e7e90] ptlrpc_main at ffffffffc13acbc8 [ptlrpc]
    /home/green/git/lustre-release/lustre/ptlrpc/service.c: 3145
#20 [ffffa9b4847e7f10] kthread at ffffffff9bb57041
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/kernel/kthread.c: 364
#21 [ffffa9b4847e7f50] ret_from_fork at ffffffff9ca001ff
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/entry/entry_64.S: 330