PID: 6691   TASK: ffff9c2df4a60000  CPU: 3   COMMAND: "ll_ost_io00_000"
 #0 [ffffabf2c2cc3688] machine_kexec at ffffffff9e4850a3
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/kernel/machine_kexec_64.c: 417
 #1 [ffffabf2c2cc36e0] __crash_kexec at ffffffff9e63e5ba
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/kernel/kexec_core.c: 955
 #2 [ffffabf2c2cc37a0] crash_kexec at ffffffff9e63fc05
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/./include/linux/compiler.h: 356
 #3 [ffffabf2c2cc37b8] oops_end at ffffffff9e437cb5
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/kernel/dumpstack.c: 339
 #4 [ffffabf2c2cc37d8] no_context.cold.27 at ffffffff9e4a1a56
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 796
 #5 [ffffabf2c2cc3830] __bad_area_nosemaphore at ffffffff9e4a0356
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 870
 #6 [ffffabf2c2cc3878] bad_area_nosemaphore at ffffffff9e4a06fa
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 877
 #7 [ffffabf2c2cc3880] do_user_addr_fault at ffffffff9e4a10c0
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1306
 #8 [ffffabf2c2cc38d0] __do_page_fault at ffffffff9e4a15bb
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1497
 #9 [ffffabf2c2cc38f0] do_page_fault at ffffffff9e4a1677
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1547
#10 [ffffabf2c2cc3920] page_fault at ffffffff9f400f8e
    /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: ffffffffc06d2e20  RSP: ffffabf2c2cc39d0  RFLAGS: 00010246
    RAX: 0000000000000000  RBX: ffff9c2dc6f9ee40  RCX: 0000000000000001
    RDX: ffff9c2dc6b74600  RSI: 00000000b0000202  RDI: ffff9c2cc4b47280
    RBP: 0000000000000001   R8: 0000000000000001   R9: 0000000000000000
    R10: ffff9c2dd2850840  R11: ffff9c2cc4ea3310  R12: ffff9c2df26e8000
    R13: ffff9c2dd2860000  R14: ffff9c2df26e8000  R15: 0000000000000000
    ORIG_RAX: ffffffffffffffff  CS: 0010  SS: 0018
#11 [ffffabf2c2cc39d0] osd_bufs_put at ffffffffc1dc5d97 [osd_zfs]
    /home/green/git/lustre-release/lustre/osd-zfs/osd_io.c: 488
#12 [ffffabf2c2cc3a18] ofd_release_chunk_lnb at ffffffffc2278ca2 [ofd]
    /home/green/git/lustre-release/lustre/include/dt_object.h: 2436
#13 [ffffabf2c2cc3a40] ofd_commitrw_write at ffffffffc2265708 [ofd]
    /home/green/git/lustre-release/lustre/ofd/ofd_io.c: 1508
#14 [ffffabf2c2cc3ae0] ofd_commitrw at ffffffffc226cca9 [ofd]
    /home/green/git/lustre-release/lustre/ofd/ofd_io.c: 1633
#15 [ffffabf2c2cc3bb8] tgt_brw_write at ffffffffc15d851c [ptlrpc]
    /home/green/git/lustre-release/lustre/include/obd_class.h: 1186
#16 [ffffabf2c2cc3d78] tgt_handle_request0 at ffffffffc15d0cc7 [ptlrpc]
    /home/green/git/lustre-release/lustre/include/lu_target.h: 646
#17 [ffffabf2c2cc3da8] tgt_request_handle at ffffffffc15d2965 [ptlrpc]
    /home/green/git/lustre-release/lustre/ptlrpc/../target/tgt_handler.c: 901
#18 [ffffabf2c2cc3e28] ptlrpc_server_handle_request at ffffffffc14ca9a3 [ptlrpc]
    /home/green/git/lustre-release/lustre/include/lustre_net.h: 2383
#19 [ffffabf2c2cc3e90] ptlrpc_main at ffffffffc14cdbc8 [ptlrpc]
    /home/green/git/lustre-release/lustre/ptlrpc/service.c: 3145
#20 [ffffabf2c2cc3f10] kthread at ffffffff9e557041
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/kernel/kthread.c: 364
#21 [ffffabf2c2cc3f50] ret_from_fork at ffffffff9f4001ff
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/entry/entry_64.S: 330