PID: 261276 TASK: ffff8eef6ca80000 CPU: 0 COMMAND: "dd" #0 [ffffa98ac2eb7058] machine_kexec at ffffffffbae850a3 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/kernel/machine_kexec_64.c: 417 #1 [ffffa98ac2eb70b0] __crash_kexec at ffffffffbb03e5ba /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/kernel/kexec_core.c: 955 #2 [ffffa98ac2eb7170] crash_kexec at ffffffffbb03fc05 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/./include/linux/compiler.h: 356 #3 [ffffa98ac2eb7188] oops_end at ffffffffbae37cb5 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/kernel/dumpstack.c: 339 #4 [ffffa98ac2eb71a8] no_context.cold.27 at ffffffffbaea1a56 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 796 #5 [ffffa98ac2eb7200] __bad_area_nosemaphore at ffffffffbaea0356 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 870 #6 [ffffa98ac2eb7248] bad_area_nosemaphore at ffffffffbaea06fa /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 877 #7 [ffffa98ac2eb7250] do_kern_addr_fault at ffffffffbaea0783 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1268 #8 [ffffa98ac2eb7270] __do_page_fault at ffffffffbaea15de /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1495 #9 [ffffa98ac2eb7290] do_page_fault at ffffffffbaea1677 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1547 #10 [ffffa98ac2eb72c0] page_fault at ffffffffbbe00f8e /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: ffffffffbb631c41 RSP: ffffa98ac2eb7370 RFLAGS: 00010282 RAX: ffff8eef787e0002 RBX: ffff8eef786e0000 RCX: ffff8eef786dfee0 RDX: ffff8eef786d0010 RSI: 000000000003cfb2 RDI: 460233c10a3edbb6 RBP: ffff8eef787d0132 R8: 0000000000000ffe R9: 000000000003cfc4 R10: 00000000000001f9 R11: 000000000000ffe0 R12: ffffa98ac2eb73d0 R13: 0000000000004000 R14: ffff8eef786e0000 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 [ffffa98ac2eb73c8] lzo_compress at ffffffffbb586413 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/crypto/lzo.c: 73 #12 [ffffa98ac2eb73e8] crypto_compress at ffffffffbb562e97 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/crypto/compress.c: 24 #13 [ffffa98ac2eb73f0] compress_chunk at ffffffffc0826f90 [obdclass] /home/green/git/lustre-release/lustre/obdclass/lustre_compr.c: 195 #14 [ffffa98ac2eb7430] compress_request at ffffffffc11111cb [osc] /home/green/git/lustre-release/include/linux/libcfs/libcfs_debug.h: 111 #15 [ffffa98ac2eb7528] osc_brw_prep_request at ffffffffc11098cf [osc] /home/green/git/lustre-release/lustre/osc/osc_request.c: 1646 #16 [ffffa98ac2eb7678] osc_build_rpc at ffffffffc110ec83 [osc] /home/green/git/lustre-release/lustre/osc/osc_request.c: 3084 #17 [ffffa98ac2eb7750] osc_check_rpcs at ffffffffc1138eeb [osc] /home/green/git/lustre-release/lustre/osc/osc_cache.c: 2205 #18 [ffffa98ac2eb7818] __osc_io_unplug at ffffffffc11391eb [osc] /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/./include/linux/spinlock.h: 390 #19 [ffffa98ac2eb7838] osc_cache_writeback_range at ffffffffc113ce37 [osc] /home/green/git/lustre-release/lustre/include/lustre_osc.h: 593 #20 [ffffa98ac2eb7908] osc_io_fsync_start at ffffffffc1126921 [osc] /home/green/git/lustre-release/lustre/osc/osc_io.c: 1095 #21 [ffffa98ac2eb7950] cl_io_start at ffffffffc0807095 [obdclass] /home/green/git/lustre-release/lustre/obdclass/cl_io.c: 539 #22 [ffffa98ac2eb7980] lov_io_call at ffffffffc11b7e01 [lov] /home/green/git/lustre-release/lustre/lov/lov_io.c: 1265 #23 [ffffa98ac2eb79b0] lov_io_start at ffffffffc11bb18b [lov] /home/green/git/lustre-release/include/linux/libcfs/libcfs_debug.h: 205 #24 [ffffa98ac2eb79d0] cl_io_start at ffffffffc0807095 [obdclass] /home/green/git/lustre-release/lustre/obdclass/cl_io.c: 539 #25 [ffffa98ac2eb7a00] cl_io_loop at ffffffffc080d762 [obdclass] /home/green/git/lustre-release/lustre/obdclass/cl_io.c: 852 #26 [ffffa98ac2eb7a40] cl_sync_file_range at ffffffffc1a4d2bc [lustre] /home/green/git/lustre-release/lustre/llite/file.c: 5287 #27 [ffffa98ac2eb7aa0] vvp_prune at ffffffffc1acb2dc [lustre] /home/green/git/lustre-release/lustre/llite/vvp_object.c: 145 #28 [ffffa98ac2eb7ac0] cl_object_prune at ffffffffc07fb19f [obdclass] /home/green/git/lustre-release/lustre/obdclass/cl_object.c: 381 #29 [ffffa98ac2eb7ae8] ll_layout_lock_set at ffffffffc1a52a13 [lustre] /home/green/git/lustre-release/lustre/llite/file.c: 6946 #30 [ffffa98ac2eb7b68] ll_layout_refresh at ffffffffc1a52cff [lustre] /home/green/git/lustre-release/lustre/llite/file.c: 7056 #31 [ffffa98ac2eb7bc8] vvp_io_init at ffffffffc1acacae [lustre] /home/green/git/lustre-release/lustre/llite/vvp_io.c: 1907 #32 [ffffa98ac2eb7c30] __cl_io_init at ffffffffc080a652 [obdclass] /home/green/git/lustre-release/lustre/obdclass/cl_io.c: 140 #33 [ffffa98ac2eb7c60] cl_io_init at ffffffffc080a7cc [obdclass] /home/green/git/lustre-release/lustre/obdclass/cl_io.c: 192 #34 [ffffa98ac2eb7c88] cl_io_rw_init at ffffffffc080a972 [obdclass] /home/green/git/lustre-release/include/linux/libcfs/libcfs_debug.h: 205 #35 [ffffa98ac2eb7cc0] ll_file_io_generic at ffffffffc1a429ed [lustre] /home/green/git/lustre-release/lustre/llite/file.c: 2123 #36 [ffffa98ac2eb7db0] do_file_write_iter at ffffffffc1a4448c [lustre] /home/green/git/lustre-release/lustre/llite/file.c: 2675 #37 [ffffa98ac2eb7e20] ll_file_write_iter at ffffffffc1a44b0d [lustre] /home/green/git/lustre-release/lustre/llite/file.c: 2706 #38 [ffffa98ac2eb7e38] new_sync_write at ffffffffbb2cd470 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/fs/read_write.c: 475 #39 [ffffa98ac2eb7ec0] __vfs_write at ffffffffbb2d1bc9 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/fs/read_write.c: 487 #40 [ffffa98ac2eb7ec8] vfs_write at ffffffffbb2d1e78 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/fs/read_write.c: 549 #41 [ffffa98ac2eb7ef8] ksys_write at ffffffffbb2d22b6 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/fs/read_write.c: 598 #42 [ffffa98ac2eb7f30] __x64_sys_write at ffffffffbb2d23be /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/fs/read_write.c: 610 #43 [ffffa98ac2eb7f38] do_syscall_64 at ffffffffbae04641 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/entry/common.c: 303 #44 [ffffa98ac2eb7f50] entry_SYSCALL_64_after_hwframe at ffffffffbbe000bd /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/entry/entry_64.S: 156 RIP: 00007f0a57c04688 RSP: 00007ffd08f46778 RFLAGS: 00000246 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f0a57c04688 RDX: 0000000000010000 RSI: 000055ea72845000 RDI: 0000000000000001 RBP: 0000000000010000 R8: 0000000000000003 R9: 000055ea7284540e R10: 0000000000000000 R11: 0000000000000246 R12: 000055ea72845000 R13: 0000000000000000 R14: 0000000000000000 R15: 000055ea72845000 ORIG_RAX: 0000000000000001 CS: 0033 SS: 002b