PID: 6695   TASK: ffff9bee8ffbcf80  CPU: 3   COMMAND: "ll_ost_io00_002"
 #0 [ffffbaeac2b83688] machine_kexec at ffffffffb24850a3
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/kernel/machine_kexec_64.c: 417
 #1 [ffffbaeac2b836e0] __crash_kexec at ffffffffb263e5ba
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/kernel/kexec_core.c: 955
 #2 [ffffbaeac2b837a0] crash_kexec at ffffffffb263fc05
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/./include/linux/compiler.h: 356
 #3 [ffffbaeac2b837b8] oops_end at ffffffffb2437cb5
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/kernel/dumpstack.c: 339
 #4 [ffffbaeac2b837d8] no_context.cold.27 at ffffffffb24a1a56
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 796
 #5 [ffffbaeac2b83830] __bad_area_nosemaphore at ffffffffb24a0356
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 870
 #6 [ffffbaeac2b83878] bad_area_nosemaphore at ffffffffb24a06fa
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 877
 #7 [ffffbaeac2b83880] do_user_addr_fault at ffffffffb24a10c0
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1306
 #8 [ffffbaeac2b838d0] __do_page_fault at ffffffffb24a15bb
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1497
 #9 [ffffbaeac2b838f0] do_page_fault at ffffffffb24a1677
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1547
#10 [ffffbaeac2b83920] page_fault at ffffffffb3400f8e
    /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: ffffffffc06dbe20  RSP: ffffbaeac2b839d0  RFLAGS: 00010246
    RAX: 0000000000000000  RBX: ffff9bed85980ab0  RCX: 0000000000000010
    RDX: ffff9beeba8aa400  RSI: 00000000b0000202  RDI: ffff9bee88e65a00
    RBP: 0000000000000010   R8: 0000000000000001   R9: 0000000000000000
    R10: ffff9bee91316f00  R11: ffff9beebfe90480  R12: ffff9beebab50000
    R13: ffff9beebb6c0000  R14: ffff9beebab50000  R15: 0000000000000000
    ORIG_RAX: ffffffffffffffff  CS: 0010  SS: 0018
#11 [ffffbaeac2b839d0] osd_bufs_put at ffffffffc1dd2d97 [osd_zfs]
    /home/green/git/lustre-release/lustre/osd-zfs/osd_io.c: 488
#12 [ffffbaeac2b83a18] ofd_release_chunk_lnb at ffffffffc228a652 [ofd]
    /home/green/git/lustre-release/lustre/include/dt_object.h: 2436
#13 [ffffbaeac2b83a40] ofd_commitrw_write at ffffffffc2277018 [ofd]
    /home/green/git/lustre-release/lustre/ofd/ofd_io.c: 1508
#14 [ffffbaeac2b83ae0] ofd_commitrw at ffffffffc227e57c [ofd]
    /home/green/git/lustre-release/lustre/ofd/ofd_io.c: 1633
#15 [ffffbaeac2b83bb8] tgt_brw_write at ffffffffc15e456c [ptlrpc]
    /home/green/git/lustre-release/lustre/include/obd_class.h: 1186
#16 [ffffbaeac2b83d78] tgt_handle_request0 at ffffffffc15dcd17 [ptlrpc]
    /home/green/git/lustre-release/lustre/include/lu_target.h: 646
#17 [ffffbaeac2b83da8] tgt_request_handle at ffffffffc15de9b5 [ptlrpc]
    /home/green/git/lustre-release/lustre/ptlrpc/../target/tgt_handler.c: 901
#18 [ffffbaeac2b83e28] ptlrpc_server_handle_request at ffffffffc14d69e3 [ptlrpc]
    /home/green/git/lustre-release/lustre/include/lustre_net.h: 2383
#19 [ffffbaeac2b83e90] ptlrpc_main at ffffffffc14d9c08 [ptlrpc]
    /home/green/git/lustre-release/lustre/ptlrpc/service.c: 3145
#20 [ffffbaeac2b83f10] kthread at ffffffffb2557041
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/kernel/kthread.c: 364
#21 [ffffbaeac2b83f50] ret_from_fork at ffffffffb34001ff
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/entry/entry_64.S: 330