PID: 8103 TASK: ffff929e67204f80 CPU: 0 COMMAND: "ll_ost_io00_002" #0 [ffffb0e30160f688] machine_kexec at ffffffff882850a3 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/kernel/machine_kexec_64.c: 417 #1 [ffffb0e30160f6e0] __crash_kexec at ffffffff8843e5ba /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/kernel/kexec_core.c: 955 #2 [ffffb0e30160f7a0] crash_kexec at ffffffff8843fc05 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/./include/linux/compiler.h: 356 #3 [ffffb0e30160f7b8] oops_end at ffffffff88237cb5 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/kernel/dumpstack.c: 339 #4 [ffffb0e30160f7d8] no_context.cold.27 at ffffffff882a1a56 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 796 #5 [ffffb0e30160f830] __bad_area_nosemaphore at ffffffff882a0356 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 870 #6 [ffffb0e30160f878] bad_area_nosemaphore at ffffffff882a06fa /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 877 #7 [ffffb0e30160f880] do_user_addr_fault at ffffffff882a10c0 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1306 #8 [ffffb0e30160f8d0] __do_page_fault at ffffffff882a15bb /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1497 #9 [ffffb0e30160f8f0] do_page_fault at ffffffff882a1677 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1547 #10 [ffffb0e30160f920] page_fault at ffffffff89200f8e /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: ffffffffc094ae20 RSP: ffffb0e30160f9d0 RFLAGS: 00010246 RAX: 0000000000000000 RBX: ffff929e6efca720 RCX: 0000000000000010 RDX: ffff929e6e9b9e00 RSI: 00000000b0000202 RDI: ffff929e6e8ab4e0 RBP: 0000000000000010 R8: 0000000000000001 R9: 0000000000000000 R10: ffff929e7ca34180 R11: ffff929e76e02e68 R12: ffff929e73e50000 R13: ffff929e81860000 R14: ffff929e73e50000 R15: 0000000000000000 ORIG_RAX: ffffffffffffffff CS: 0010 SS: 0018 #11 [ffffb0e30160f9d0] osd_bufs_put at ffffffffc2041d97 [osd_zfs] /home/green/git/lustre-release/lustre/osd-zfs/osd_io.c: 488 #12 [ffffb0e30160fa18] ofd_release_chunk_lnb at ffffffffc24f9652 [ofd] /home/green/git/lustre-release/lustre/include/dt_object.h: 2436 #13 [ffffb0e30160fa40] ofd_commitrw_write at ffffffffc24e6018 [ofd] /home/green/git/lustre-release/lustre/ofd/ofd_io.c: 1508 #14 [ffffb0e30160fae0] ofd_commitrw at ffffffffc24ed57c [ofd] /home/green/git/lustre-release/lustre/ofd/ofd_io.c: 1633 #15 [ffffb0e30160fbb8] tgt_brw_write at ffffffffc185356c [ptlrpc] /home/green/git/lustre-release/lustre/include/obd_class.h: 1186 #16 [ffffb0e30160fd78] tgt_handle_request0 at ffffffffc184bd17 [ptlrpc] /home/green/git/lustre-release/lustre/include/lu_target.h: 646 #17 [ffffb0e30160fda8] tgt_request_handle at ffffffffc184d9b5 [ptlrpc] /home/green/git/lustre-release/lustre/ptlrpc/../target/tgt_handler.c: 901 #18 [ffffb0e30160fe28] ptlrpc_server_handle_request at ffffffffc17459e3 [ptlrpc] /home/green/git/lustre-release/lustre/include/lustre_net.h: 2383 #19 [ffffb0e30160fe90] ptlrpc_main at ffffffffc1748c08 [ptlrpc] /home/green/git/lustre-release/lustre/ptlrpc/service.c: 3145 #20 [ffffb0e30160ff10] kthread at ffffffff88357041 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/kernel/kthread.c: 364 #21 [ffffb0e30160ff50] ret_from_fork at ffffffff892001ff /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/entry/entry_64.S: 330