PID: 262801 TASK: ffffa0ae19a827c0 CPU: 0 COMMAND: "dd" #0 [ffffbd7802a5f058] machine_kexec at ffffffff812850a3 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/kernel/machine_kexec_64.c: 417 #1 [ffffbd7802a5f0b0] __crash_kexec at ffffffff8143e5ba /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/kernel/kexec_core.c: 955 #2 [ffffbd7802a5f170] crash_kexec at ffffffff8143fc05 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/./include/linux/compiler.h: 356 #3 [ffffbd7802a5f188] oops_end at ffffffff81237cb5 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/kernel/dumpstack.c: 339 #4 [ffffbd7802a5f1a8] no_context.cold.27 at ffffffff812a1a56 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 796 #5 [ffffbd7802a5f200] __bad_area_nosemaphore at ffffffff812a0356 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 870 #6 [ffffbd7802a5f248] bad_area_nosemaphore at ffffffff812a06fa /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 877 #7 [ffffbd7802a5f250] do_kern_addr_fault at ffffffff812a0783 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1268 #8 [ffffbd7802a5f270] __do_page_fault at ffffffff812a15de /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1495 #9 [ffffbd7802a5f290] do_page_fault at ffffffff812a1677 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1547 #10 [ffffbd7802a5f2c0] page_fault at ffffffff82200f8e /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: ffffffff81a31c41 RSP: ffffbd7802a5f370 RFLAGS: 00010282 RAX: ffffa0ae38e00002 RBX: ffffa0ae05680000 RCX: ffffa0ae0567fee0 RDX: ffffa0ae05670010 RSI: 0000000000000fee RDI: 5320fbe36ffafaa4 RBP: ffffa0ae38df0132 R8: 0000000000000ffe R9: 0000000000001000 R10: 00000000000001f9 R11: 000000000000ffe0 R12: ffffbd7802a5f3d0 R13: 0000000000004000 R14: ffffa0ae05680000 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 [ffffbd7802a5f3c8] lzo_compress at ffffffff81986413 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/crypto/lzo.c: 73 #12 [ffffbd7802a5f3e8] crypto_compress at ffffffff81962e97 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/crypto/compress.c: 24 #13 [ffffbd7802a5f3f0] compress_chunk at ffffffffc0855f90 [obdclass] /home/green/git/lustre-release/lustre/obdclass/lustre_compr.c: 195 #14 [ffffbd7802a5f430] compress_request at ffffffffc114013b [osc] /home/green/git/lustre-release/include/linux/libcfs/libcfs_debug.h: 111 #15 [ffffbd7802a5f528] osc_brw_prep_request at ffffffffc11388a1 [osc] /home/green/git/lustre-release/lustre/osc/osc_request.c: 1642 #16 [ffffbd7802a5f678] osc_build_rpc at ffffffffc113dbf3 [osc] /home/green/git/lustre-release/lustre/osc/osc_request.c: 3054 #17 [ffffbd7802a5f750] osc_check_rpcs at ffffffffc1167e5b [osc] /home/green/git/lustre-release/lustre/osc/osc_cache.c: 2205 #18 [ffffbd7802a5f818] __osc_io_unplug at ffffffffc116815b [osc] /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/./include/linux/spinlock.h: 390 #19 [ffffbd7802a5f838] osc_cache_writeback_range at ffffffffc116bda7 [osc] /home/green/git/lustre-release/lustre/include/lustre_osc.h: 593 #20 [ffffbd7802a5f908] osc_io_fsync_start at ffffffffc1155891 [osc] /home/green/git/lustre-release/lustre/osc/osc_io.c: 1095 #21 [ffffbd7802a5f950] cl_io_start at ffffffffc0836095 [obdclass] /home/green/git/lustre-release/lustre/obdclass/cl_io.c: 539 #22 [ffffbd7802a5f980] lov_io_call at ffffffffc11e6e01 [lov] /home/green/git/lustre-release/lustre/lov/lov_io.c: 1252 #23 [ffffbd7802a5f9b0] lov_io_start at ffffffffc11e95ab [lov] /home/green/git/lustre-release/include/linux/libcfs/libcfs_debug.h: 205 #24 [ffffbd7802a5f9d0] cl_io_start at ffffffffc0836095 [obdclass] /home/green/git/lustre-release/lustre/obdclass/cl_io.c: 539 #25 [ffffbd7802a5fa00] cl_io_loop at ffffffffc083c762 [obdclass] /home/green/git/lustre-release/lustre/obdclass/cl_io.c: 852 #26 [ffffbd7802a5fa40] cl_sync_file_range at ffffffffc1a7c2bc [lustre] /home/green/git/lustre-release/lustre/llite/file.c: 5287 #27 [ffffbd7802a5faa0] vvp_prune at ffffffffc1af9fbc [lustre] /home/green/git/lustre-release/lustre/llite/vvp_object.c: 145 #28 [ffffbd7802a5fac0] cl_object_prune at ffffffffc082a19f [obdclass] /home/green/git/lustre-release/lustre/obdclass/cl_object.c: 381 #29 [ffffbd7802a5fae8] ll_layout_lock_set at ffffffffc1a81a13 [lustre] /home/green/git/lustre-release/lustre/llite/file.c: 6946 #30 [ffffbd7802a5fb68] ll_layout_refresh at ffffffffc1a81cff [lustre] /home/green/git/lustre-release/lustre/llite/file.c: 7056 #31 [ffffbd7802a5fbc8] vvp_io_init at ffffffffc1af998e [lustre] /home/green/git/lustre-release/lustre/llite/vvp_io.c: 1907 #32 [ffffbd7802a5fc30] __cl_io_init at ffffffffc0839652 [obdclass] /home/green/git/lustre-release/lustre/obdclass/cl_io.c: 140 #33 [ffffbd7802a5fc60] cl_io_init at ffffffffc08397cc [obdclass] /home/green/git/lustre-release/lustre/obdclass/cl_io.c: 192 #34 [ffffbd7802a5fc88] cl_io_rw_init at ffffffffc0839972 [obdclass] /home/green/git/lustre-release/include/linux/libcfs/libcfs_debug.h: 205 #35 [ffffbd7802a5fcc0] ll_file_io_generic at ffffffffc1a719ed [lustre] /home/green/git/lustre-release/lustre/llite/file.c: 2123 #36 [ffffbd7802a5fdb0] do_file_write_iter at ffffffffc1a7348c [lustre] /home/green/git/lustre-release/lustre/llite/file.c: 2675 #37 [ffffbd7802a5fe20] ll_file_write_iter at ffffffffc1a73b0d [lustre] /home/green/git/lustre-release/lustre/llite/file.c: 2706 #38 [ffffbd7802a5fe38] new_sync_write at ffffffff816cd470 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/fs/read_write.c: 475 #39 [ffffbd7802a5fec0] __vfs_write at ffffffff816d1bc9 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/fs/read_write.c: 487 #40 [ffffbd7802a5fec8] vfs_write at ffffffff816d1e78 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/fs/read_write.c: 549 #41 [ffffbd7802a5fef8] ksys_write at ffffffff816d22b6 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/fs/read_write.c: 598 #42 [ffffbd7802a5ff30] __x64_sys_write at ffffffff816d23be /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/fs/read_write.c: 610 #43 [ffffbd7802a5ff38] do_syscall_64 at ffffffff81204641 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/entry/common.c: 303 #44 [ffffbd7802a5ff50] entry_SYSCALL_64_after_hwframe at ffffffff822000bd /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/entry/entry_64.S: 156 RIP: 00007f6a99d94688 RSP: 00007ffe84cfa6c8 RFLAGS: 00000246 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6a99d94688 RDX: 0000000000010000 RSI: 000055aa7a4bd000 RDI: 0000000000000001 RBP: 0000000000010000 R8: 0000000000000003 R9: 000055aa7a4bd40e R10: 0000000000000000 R11: 0000000000000246 R12: 000055aa7a4bd000 R13: 0000000000000000 R14: 0000000000000000 R15: 000055aa7a4bd000 ORIG_RAX: 0000000000000001 CS: 0033 SS: 002b