PID: 263518 TASK: ffff99f9f1838000 CPU: 2 COMMAND: "dd" #0 [ffffb5d187b8b018] machine_kexec at ffffffffa48850a3 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/kernel/machine_kexec_64.c: 417 #1 [ffffb5d187b8b070] __crash_kexec at ffffffffa4a3e5ba /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/kernel/kexec_core.c: 955 #2 [ffffb5d187b8b130] crash_kexec at ffffffffa4a3fc05 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/./include/linux/compiler.h: 356 #3 [ffffb5d187b8b148] oops_end at ffffffffa4837cb5 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/kernel/dumpstack.c: 339 #4 [ffffb5d187b8b168] no_context.cold.27 at ffffffffa48a1a56 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 796 #5 [ffffb5d187b8b1c0] __bad_area_nosemaphore at ffffffffa48a0356 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 870 #6 [ffffb5d187b8b208] bad_area_nosemaphore at ffffffffa48a06fa /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 877 #7 [ffffb5d187b8b210] do_kern_addr_fault at ffffffffa48a0783 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1268 #8 [ffffb5d187b8b230] __do_page_fault at ffffffffa48a15de /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1495 #9 [ffffb5d187b8b250] do_page_fault at ffffffffa48a1677 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1547 #10 [ffffb5d187b8b280] page_fault at ffffffffa5800f8e /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/entry/entry_64.S: 1236 [exception RIP: lzo1x_1_compress+465] RIP: ffffffffa5031c41 RSP: ffffb5d187b8b330 RFLAGS: 00010282 RAX: ffff99fa011a0002 RBX: ffffb5d187fb0000 RCX: ffffb5d187fafee0 RDX: ffffb5d187fa0010 RSI: 0000000000000fee RDI: 4880b12ca05f3889 RBP: ffff99fa01190132 R8: 0000000000000ffe R9: 0000000000001000 R10: 00000000000001f9 R11: 000000000000ffe0 R12: ffffb5d187b8b390 R13: 0000000000004000 R14: ffffb5d187fb0000 R15: 0000000000000000 ORIG_RAX: ffffffffffffffff CS: 0010 SS: 0018 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/./include/linux/unaligned/access_ok.h: 50 #11 [ffffb5d187b8b388] lzo_compress at ffffffffa4f86413 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/crypto/lzo.c: 73 #12 [ffffb5d187b8b3a8] crypto_compress at ffffffffa4f62e97 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/crypto/compress.c: 24 #13 [ffffb5d187b8b3b0] compress_chunk at ffffffffc0842650 [obdclass] /home/green/git/lustre-release/lustre/obdclass/lustre_compr.c: 412 #14 [ffffb5d187b8b3f0] compress_request at ffffffffc1100254 [osc] /home/green/git/lustre-release/lustre/osc/osc_compress.c: 434 #15 [ffffb5d187b8b550] osc_brw_prep_request at ffffffffc10f85a8 [osc] /home/green/git/lustre-release/lustre/osc/osc_request.c: 1678 #16 [ffffb5d187b8b6b0] osc_build_rpc at ffffffffc10fcf93 [osc] /home/green/git/lustre-release/lustre/osc/osc_request.c: 3118 #17 [ffffb5d187b8b788] osc_check_rpcs at ffffffffc112c379 [osc] /home/green/git/lustre-release/lustre/osc/osc_cache.c: 2335 #18 [ffffb5d187b8b808] __osc_io_unplug at ffffffffc112c66b [osc] /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/./include/linux/spinlock.h: 390 #19 [ffffb5d187b8b828] osc_cache_writeback_range at ffffffffc113064d [osc] /home/green/git/lustre-release/lustre/include/lustre_osc.h: 637 #20 [ffffb5d187b8b908] osc_io_fsync_start at ffffffffc1117d11 [osc] /home/green/git/lustre-release/lustre/osc/osc_io.c: 1149 #21 [ffffb5d187b8b950] cl_io_start at ffffffffc0821e65 [obdclass] /home/green/git/lustre-release/lustre/obdclass/cl_io.c: 539 #22 [ffffb5d187b8b980] lov_io_call at ffffffffc11b3f81 [lov] /home/green/git/lustre-release/lustre/lov/lov_io.c: 1519 #23 [ffffb5d187b8b9b0] lov_io_start at ffffffffc11b709b [lov] /home/green/git/lustre-release/include/linux/libcfs/libcfs_debug.h: 205 #24 [ffffb5d187b8b9d0] cl_io_start at ffffffffc0821e65 [obdclass] /home/green/git/lustre-release/lustre/obdclass/cl_io.c: 539 #25 [ffffb5d187b8ba00] cl_io_loop at ffffffffc0828532 [obdclass] /home/green/git/lustre-release/lustre/obdclass/cl_io.c: 852 #26 [ffffb5d187b8ba40] cl_sync_file_range at ffffffffc1a28d66 [lustre] /home/green/git/lustre-release/lustre/llite/file.c: 5340 #27 [ffffb5d187b8baa0] vvp_prune at ffffffffc1aaafcc [lustre] /home/green/git/lustre-release/lustre/llite/vvp_object.c: 151 #28 [ffffb5d187b8bac0] cl_object_prune at ffffffffc0815f3f [obdclass] /home/green/git/lustre-release/lustre/obdclass/cl_object.c: 373 #29 [ffffb5d187b8bae8] ll_layout_lock_set at ffffffffc1a2fe53 [lustre] /home/green/git/lustre-release/lustre/llite/file.c: 7030 #30 [ffffb5d187b8bb68] ll_layout_refresh at ffffffffc1a307ff [lustre] /home/green/git/lustre-release/lustre/llite/file.c: 7141 #31 [ffffb5d187b8bbc8] vvp_io_init at ffffffffc1aaa99e [lustre] /home/green/git/lustre-release/lustre/llite/vvp_io.c: 2044 #32 [ffffb5d187b8bc30] __cl_io_init at ffffffffc0825422 [obdclass] /home/green/git/lustre-release/lustre/obdclass/cl_io.c: 140 #33 [ffffb5d187b8bc60] cl_io_init at ffffffffc082559c [obdclass] /home/green/git/lustre-release/lustre/obdclass/cl_io.c: 192 #34 [ffffb5d187b8bc88] cl_io_rw_init at ffffffffc0825742 [obdclass] /home/green/git/lustre-release/include/linux/libcfs/libcfs_debug.h: 205 #35 [ffffb5d187b8bcc0] ll_file_io_generic at ffffffffc1a1e30a [lustre] /home/green/git/lustre-release/lustre/llite/file.c: 2153 #36 [ffffb5d187b8bdb0] do_file_write_iter at ffffffffc1a1fcf2 [lustre] /home/green/git/lustre-release/lustre/llite/file.c: 2713 #37 [ffffb5d187b8be20] ll_file_write_iter at ffffffffc1a205ad [lustre] /home/green/git/lustre-release/lustre/llite/file.c: 2744 #38 [ffffb5d187b8be38] new_sync_write at ffffffffa4ccd470 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/fs/read_write.c: 475 #39 [ffffb5d187b8bec0] __vfs_write at ffffffffa4cd1bc9 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/fs/read_write.c: 487 #40 [ffffb5d187b8bec8] vfs_write at ffffffffa4cd1e78 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/fs/read_write.c: 549 #41 [ffffb5d187b8bef8] ksys_write at ffffffffa4cd22b6 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/fs/read_write.c: 598 #42 [ffffb5d187b8bf30] __x64_sys_write at ffffffffa4cd23be /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/fs/read_write.c: 610 #43 [ffffb5d187b8bf38] do_syscall_64 at ffffffffa4804641 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/entry/common.c: 303 #44 [ffffb5d187b8bf50] entry_SYSCALL_64_after_hwframe at ffffffffa58000bd /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/entry/entry_64.S: 156 RIP: 00007f68817a8688 RSP: 00007ffc841d2788 RFLAGS: 00000246 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f68817a8688 RDX: 0000000000010000 RSI: 000055801caef000 RDI: 0000000000000001 RBP: 0000000000010000 R8: 0000000000000003 R9: 000055801caef40e R10: 0000000000000000 R11: 0000000000000246 R12: 000055801caef000 R13: 0000000000000000 R14: 0000000000000000 R15: 000055801caef000 ORIG_RAX: 0000000000000001 CS: 0033 SS: 002b