PID: 8109   TASK: ffff9a6ca52a8000  CPU: 2   COMMAND: "ll_ost_io00_002"
 #0 [ffffb6c801d7b678] machine_kexec at ffffffffb8c850a3
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/kernel/machine_kexec_64.c: 417
 #1 [ffffb6c801d7b6d0] __crash_kexec at ffffffffb8e3e5ba
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/kernel/kexec_core.c: 955
 #2 [ffffb6c801d7b790] crash_kexec at ffffffffb8e3fc05
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/./include/linux/compiler.h: 356
 #3 [ffffb6c801d7b7a8] oops_end at ffffffffb8c37cb5
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/kernel/dumpstack.c: 339
 #4 [ffffb6c801d7b7c8] no_context.cold.27 at ffffffffb8ca1a56
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 796
 #5 [ffffb6c801d7b820] __bad_area_nosemaphore at ffffffffb8ca0356
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 870
 #6 [ffffb6c801d7b868] bad_area_nosemaphore at ffffffffb8ca06fa
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 877
 #7 [ffffb6c801d7b870] do_user_addr_fault at ffffffffb8ca10c0
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1306
 #8 [ffffb6c801d7b8c0] __do_page_fault at ffffffffb8ca15bb
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1497
 #9 [ffffb6c801d7b8e0] do_page_fault at ffffffffb8ca1677
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1547
#10 [ffffb6c801d7b910] page_fault at ffffffffb9c00f8e
    /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: ffffffffc0856e20  RSP: ffffb6c801d7b9c0  RFLAGS: 00010246
    RAX: 0000000000000000  RBX: ffff9a6c9f2e9398  RCX: 0000000000000002
    RDX: ffff9a6cbcf7f600  RSI: 00000000b0000202  RDI: ffff9a6b858af660
    RBP: 0000000000000002   R8: 0000000000000000   R9: 0000000000000000
    R10: ffff9a6b85d3eb40  R11: ffff9a6cbe65ca58  R12: ffff9a6cbef20000
    R13: ffff9a6ca5140000  R14: ffff9a6cbef20000  R15: 0000000000000000
    ORIG_RAX: ffffffffffffffff  CS: 0010  SS: 0018
#11 [ffffb6c801d7b9c0] osd_bufs_put at ffffffffc1f4ad97 [osd_zfs]
    /home/green/git/lustre-release/lustre/osd-zfs/osd_io.c: 488
#12 [ffffb6c801d7ba08] ofd_release_chunk_lnb at ffffffffc23fe882 [ofd]
    /home/green/git/lustre-release/lustre/include/dt_object.h: 2436
#13 [ffffb6c801d7ba30] ofd_commitrw_write at ffffffffc23ea376 [ofd]
    /home/green/git/lustre-release/lustre/ofd/ofd_io.c: 1761
#14 [ffffb6c801d7bad0] ofd_commitrw at ffffffffc23f207c [ofd]
    /home/green/git/lustre-release/lustre/ofd/ofd_io.c: 1885
#15 [ffffb6c801d7bba8] tgt_brw_write at ffffffffc1792588 [ptlrpc]
    /home/green/git/lustre-release/lustre/include/obd_class.h: 1189
#16 [ffffb6c801d7bd78] tgt_handle_request0 at ffffffffc178abf7 [ptlrpc]
    /home/green/git/lustre-release/lustre/include/lu_target.h: 644
#17 [ffffb6c801d7bda8] tgt_request_handle at ffffffffc178c895 [ptlrpc]
    /home/green/git/lustre-release/lustre/ptlrpc/../target/tgt_handler.c: 901
#18 [ffffb6c801d7be28] ptlrpc_server_handle_request at ffffffffc16849a3 [ptlrpc]
    /home/green/git/lustre-release/lustre/include/lustre_net.h: 2383
#19 [ffffb6c801d7be90] ptlrpc_main at ffffffffc1687bc8 [ptlrpc]
    /home/green/git/lustre-release/lustre/ptlrpc/service.c: 3145
#20 [ffffb6c801d7bf10] kthread at ffffffffb8d57041
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/kernel/kthread.c: 364
#21 [ffffb6c801d7bf50] ret_from_fork at ffffffffb9c001ff
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/entry/entry_64.S: 330