PID: 8055 TASK: ffff9f673c6127c0 CPU: 3 COMMAND: "ll_ost_io00_000" #0 [ffffb5b904187688] machine_kexec at ffffffffa82850a3 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/kernel/machine_kexec_64.c: 417 #1 [ffffb5b9041876e0] __crash_kexec at ffffffffa843e5ba /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/kernel/kexec_core.c: 955 #2 [ffffb5b9041877a0] crash_kexec at ffffffffa843fc05 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/./include/linux/compiler.h: 356 #3 [ffffb5b9041877b8] oops_end at ffffffffa8237cb5 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/kernel/dumpstack.c: 339 #4 [ffffb5b9041877d8] no_context.cold.27 at ffffffffa82a1a56 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 796 #5 [ffffb5b904187830] __bad_area_nosemaphore at ffffffffa82a0356 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 870 #6 [ffffb5b904187878] bad_area_nosemaphore at ffffffffa82a06fa /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 877 #7 [ffffb5b904187880] do_user_addr_fault at ffffffffa82a10c0 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1306 #8 [ffffb5b9041878d0] __do_page_fault at ffffffffa82a15bb /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1497 #9 [ffffb5b9041878f0] do_page_fault at ffffffffa82a1677 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1547 #10 [ffffb5b904187920] page_fault at ffffffffa9200f8e /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: ffffffffc08e3e20 RSP: ffffb5b9041879d0 RFLAGS: 00010246 RAX: 0000000000000000 RBX: ffff9f6733710000 RCX: 0000000000000010 RDX: ffff9f6703589000 RSI: 00000000b0000202 RDI: ffff9f67183063e0 RBP: 0000000000000010 R8: 0000000000000000 R9: 0000000000000000 R10: ffff9f6741e7a780 R11: ffff9f660169c5b0 R12: ffff9f6702e8c840 R13: ffff9f673fdc0000 R14: ffff9f6702e8cc00 R15: 000000000000000f ORIG_RAX: ffffffffffffffff CS: 0010 SS: 0018 #11 [ffffb5b9041879d0] osd_bufs_put at ffffffffc1fdcd97 [osd_zfs] /home/green/git/lustre-release/lustre/osd-zfs/osd_io.c: 488 #12 [ffffb5b904187a18] ofd_release_chunk_lnb at ffffffffc2492782 [ofd] /home/green/git/lustre-release/lustre/include/dt_object.h: 2436 #13 [ffffb5b904187a40] ofd_commitrw_write at ffffffffc247f018 [ofd] /home/green/git/lustre-release/lustre/ofd/ofd_io.c: 1508 #14 [ffffb5b904187ae0] ofd_commitrw at ffffffffc248657c [ofd] /home/green/git/lustre-release/lustre/ofd/ofd_io.c: 1633 #15 [ffffb5b904187bb8] tgt_brw_write at ffffffffc182454c [ptlrpc] /home/green/git/lustre-release/lustre/include/obd_class.h: 1186 #16 [ffffb5b904187d78] tgt_handle_request0 at ffffffffc181ccf7 [ptlrpc] /home/green/git/lustre-release/lustre/include/lu_target.h: 646 #17 [ffffb5b904187da8] tgt_request_handle at ffffffffc181e995 [ptlrpc] /home/green/git/lustre-release/lustre/ptlrpc/../target/tgt_handler.c: 901 #18 [ffffb5b904187e28] ptlrpc_server_handle_request at ffffffffc17169d3 [ptlrpc] /home/green/git/lustre-release/lustre/include/lustre_net.h: 2383 #19 [ffffb5b904187e90] ptlrpc_main at ffffffffc1719bf8 [ptlrpc] /home/green/git/lustre-release/lustre/ptlrpc/service.c: 3145 #20 [ffffb5b904187f10] kthread at ffffffffa8357041 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/kernel/kthread.c: 364 #21 [ffffb5b904187f50] ret_from_fork at ffffffffa92001ff /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/entry/entry_64.S: 330