PID: 102320  TASK: ffff8cfbe085cf80  CPU: 1   COMMAND: "ll_ost_io00_012"
 #0 [ffffa76e840a3688] machine_kexec at ffffffffb2c850a3
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/kernel/machine_kexec_64.c: 417
 #1 [ffffa76e840a36e0] __crash_kexec at ffffffffb2e3e5ba
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/kernel/kexec_core.c: 955
 #2 [ffffa76e840a37a0] crash_kexec at ffffffffb2e3fc05
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/./include/linux/compiler.h: 356
 #3 [ffffa76e840a37b8] oops_end at ffffffffb2c37cb5
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/kernel/dumpstack.c: 339
 #4 [ffffa76e840a37d8] no_context.cold.27 at ffffffffb2ca1a56
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 796
 #5 [ffffa76e840a3830] __bad_area_nosemaphore at ffffffffb2ca0356
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 870
 #6 [ffffa76e840a3878] bad_area_nosemaphore at ffffffffb2ca06fa
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 877
 #7 [ffffa76e840a3880] do_user_addr_fault at ffffffffb2ca10c0
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1306
 #8 [ffffa76e840a38d0] __do_page_fault at ffffffffb2ca15bb
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1497
 #9 [ffffa76e840a38f0] do_page_fault at ffffffffb2ca1677
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1547
#10 [ffffa76e840a3920] page_fault at ffffffffb3c00f8e
    /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: ffffffffc06c5e20  RSP: ffffa76e840a39d0  RFLAGS: 00010246
    RAX: 0000000000000000  RBX: ffff8cfbe8a1a390  RCX: 0000000000000007
    RDX: ffff8cfad4e57400  RSI: 00000000b0000202  RDI: ffff8cfbd12fbd20
    RBP: 0000000000000007   R8: ffff8cfbcad01553   R9: 0000000000000000
    R10: 00000000bc8af6ff  R11: ffff8cfbcad02000  R12: ffff8cfbf5190000
    R13: ffff8cfbf5460000  R14: ffff8cfbf5190000  R15: 0000000000000000
    ORIG_RAX: ffffffffffffffff  CS: 0010  SS: 0018
#11 [ffffa76e840a39d0] osd_bufs_put at ffffffffc1dbbd97 [osd_zfs]
    /home/green/git/lustre-release/lustre/osd-zfs/osd_io.c: 488
#12 [ffffa76e840a3a18] ofd_release_chunk_lnb at ffffffffc226edb2 [ofd]
    /home/green/git/lustre-release/lustre/include/dt_object.h: 2436
#13 [ffffa76e840a3a40] ofd_commitrw_write at ffffffffc225b708 [ofd]
    /home/green/git/lustre-release/lustre/ofd/ofd_io.c: 1508
#14 [ffffa76e840a3ae0] ofd_commitrw at ffffffffc2262ca9 [ofd]
    /home/green/git/lustre-release/lustre/ofd/ofd_io.c: 1633
#15 [ffffa76e840a3bb8] tgt_brw_write at ffffffffc160351c [ptlrpc]
    /home/green/git/lustre-release/lustre/include/obd_class.h: 1186
#16 [ffffa76e840a3d78] tgt_handle_request0 at ffffffffc15fbcc7 [ptlrpc]
    /home/green/git/lustre-release/lustre/include/lu_target.h: 646
#17 [ffffa76e840a3da8] tgt_request_handle at ffffffffc15fd965 [ptlrpc]
    /home/green/git/lustre-release/lustre/ptlrpc/../target/tgt_handler.c: 901
#18 [ffffa76e840a3e28] ptlrpc_server_handle_request at ffffffffc14f59a3 [ptlrpc]
    /home/green/git/lustre-release/lustre/include/lustre_net.h: 2383
#19 [ffffa76e840a3e90] ptlrpc_main at ffffffffc14f8bc8 [ptlrpc]
    /home/green/git/lustre-release/lustre/ptlrpc/service.c: 3145
#20 [ffffa76e840a3f10] kthread at ffffffffb2d57041
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/kernel/kthread.c: 364
#21 [ffffa76e840a3f50] ret_from_fork at ffffffffb3c001ff
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/entry/entry_64.S: 330