PID: 262237 TASK: ffff986f510d8000 CPU: 0 COMMAND: "dd" #0 [ffffaf9082ca3058] machine_kexec at ffffffffa9c850a3 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/kernel/machine_kexec_64.c: 417 #1 [ffffaf9082ca30b0] __crash_kexec at ffffffffa9e3e5ba /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/kernel/kexec_core.c: 955 #2 [ffffaf9082ca3170] crash_kexec at ffffffffa9e3fc05 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/./include/linux/compiler.h: 356 #3 [ffffaf9082ca3188] oops_end at ffffffffa9c37cb5 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/kernel/dumpstack.c: 339 #4 [ffffaf9082ca31a8] no_context.cold.27 at ffffffffa9ca1a56 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 796 #5 [ffffaf9082ca3200] __bad_area_nosemaphore at ffffffffa9ca0356 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 870 #6 [ffffaf9082ca3248] bad_area_nosemaphore at ffffffffa9ca06fa /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 877 #7 [ffffaf9082ca3250] do_kern_addr_fault at ffffffffa9ca0783 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1268 #8 [ffffaf9082ca3270] __do_page_fault at ffffffffa9ca15de /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1495 #9 [ffffaf9082ca3290] do_page_fault at ffffffffa9ca1677 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1547 #10 [ffffaf9082ca32c0] page_fault at ffffffffaac00f8e /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: ffffffffaa431c41 RSP: ffffaf9082ca3370 RFLAGS: 00010282 RAX: ffff986f52330002 RBX: ffff986f6c0e0000 RCX: ffff986f6c0dfee0 RDX: ffff986f6c0d0010 RSI: 000000000003cfb2 RDI: 5bb254e6e8133ce5 RBP: ffff986f52320132 R8: 0000000000000ffe R9: 000000000003cfc4 R10: 00000000000001f9 R11: 000000000000ffe0 R12: ffffaf9082ca33d0 R13: 0000000000004000 R14: ffff986f6c0e0000 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 [ffffaf9082ca33c8] lzo_compress at ffffffffaa386413 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/crypto/lzo.c: 73 #12 [ffffaf9082ca33e8] crypto_compress at ffffffffaa362e97 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/crypto/compress.c: 24 #13 [ffffaf9082ca33f0] compress_chunk at ffffffffc077ef90 [obdclass] /home/green/git/lustre-release/lustre/obdclass/lustre_compr.c: 195 #14 [ffffaf9082ca3430] compress_request at ffffffffc10321cb [osc] /home/green/git/lustre-release/include/linux/libcfs/libcfs_debug.h: 111 #15 [ffffaf9082ca3528] osc_brw_prep_request at ffffffffc102a8cf [osc] /home/green/git/lustre-release/lustre/osc/osc_request.c: 1646 #16 [ffffaf9082ca3678] osc_build_rpc at ffffffffc102fc83 [osc] /home/green/git/lustre-release/lustre/osc/osc_request.c: 3084 #17 [ffffaf9082ca3750] osc_check_rpcs at ffffffffc1059eeb [osc] /home/green/git/lustre-release/lustre/osc/osc_cache.c: 2205 #18 [ffffaf9082ca3818] __osc_io_unplug at ffffffffc105a1eb [osc] /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/./include/linux/spinlock.h: 390 #19 [ffffaf9082ca3838] osc_cache_writeback_range at ffffffffc105de37 [osc] /home/green/git/lustre-release/lustre/include/lustre_osc.h: 593 #20 [ffffaf9082ca3908] osc_io_fsync_start at ffffffffc1047921 [osc] /home/green/git/lustre-release/lustre/osc/osc_io.c: 1095 #21 [ffffaf9082ca3950] cl_io_start at ffffffffc075f095 [obdclass] /home/green/git/lustre-release/lustre/obdclass/cl_io.c: 539 #22 [ffffaf9082ca3980] lov_io_call at ffffffffc10d8e01 [lov] /home/green/git/lustre-release/lustre/lov/lov_io.c: 1265 #23 [ffffaf9082ca39b0] lov_io_start at ffffffffc10dc18b [lov] /home/green/git/lustre-release/include/linux/libcfs/libcfs_debug.h: 205 #24 [ffffaf9082ca39d0] cl_io_start at ffffffffc075f095 [obdclass] /home/green/git/lustre-release/lustre/obdclass/cl_io.c: 539 #25 [ffffaf9082ca3a00] cl_io_loop at ffffffffc0765762 [obdclass] /home/green/git/lustre-release/lustre/obdclass/cl_io.c: 852 #26 [ffffaf9082ca3a40] cl_sync_file_range at ffffffffc196e2bc [lustre] /home/green/git/lustre-release/lustre/llite/file.c: 5287 #27 [ffffaf9082ca3aa0] vvp_prune at ffffffffc19ec42c [lustre] /home/green/git/lustre-release/lustre/llite/vvp_object.c: 145 #28 [ffffaf9082ca3ac0] cl_object_prune at ffffffffc075319f [obdclass] /home/green/git/lustre-release/lustre/obdclass/cl_object.c: 381 #29 [ffffaf9082ca3ae8] ll_layout_lock_set at ffffffffc1973a13 [lustre] /home/green/git/lustre-release/lustre/llite/file.c: 6946 #30 [ffffaf9082ca3b68] ll_layout_refresh at ffffffffc1973cff [lustre] /home/green/git/lustre-release/lustre/llite/file.c: 7056 #31 [ffffaf9082ca3bc8] vvp_io_init at ffffffffc19ebdfe [lustre] /home/green/git/lustre-release/lustre/llite/vvp_io.c: 1931 #32 [ffffaf9082ca3c30] __cl_io_init at ffffffffc0762652 [obdclass] /home/green/git/lustre-release/lustre/obdclass/cl_io.c: 140 #33 [ffffaf9082ca3c60] cl_io_init at ffffffffc07627cc [obdclass] /home/green/git/lustre-release/lustre/obdclass/cl_io.c: 192 #34 [ffffaf9082ca3c88] cl_io_rw_init at ffffffffc0762972 [obdclass] /home/green/git/lustre-release/include/linux/libcfs/libcfs_debug.h: 205 #35 [ffffaf9082ca3cc0] ll_file_io_generic at ffffffffc19639ed [lustre] /home/green/git/lustre-release/lustre/llite/file.c: 2123 #36 [ffffaf9082ca3db0] do_file_write_iter at ffffffffc196548c [lustre] /home/green/git/lustre-release/lustre/llite/file.c: 2675 #37 [ffffaf9082ca3e20] ll_file_write_iter at ffffffffc1965b0d [lustre] /home/green/git/lustre-release/lustre/llite/file.c: 2706 #38 [ffffaf9082ca3e38] new_sync_write at ffffffffaa0cd470 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/fs/read_write.c: 475 #39 [ffffaf9082ca3ec0] __vfs_write at ffffffffaa0d1bc9 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/fs/read_write.c: 487 #40 [ffffaf9082ca3ec8] vfs_write at ffffffffaa0d1e78 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/fs/read_write.c: 549 #41 [ffffaf9082ca3ef8] ksys_write at ffffffffaa0d22b6 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/fs/read_write.c: 598 #42 [ffffaf9082ca3f30] __x64_sys_write at ffffffffaa0d23be /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/fs/read_write.c: 610 #43 [ffffaf9082ca3f38] do_syscall_64 at ffffffffa9c04641 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/entry/common.c: 303 #44 [ffffaf9082ca3f50] entry_SYSCALL_64_after_hwframe at ffffffffaac000bd /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/entry/entry_64.S: 156 RIP: 00007fe62ebc3688 RSP: 00007ffedb6d6e38 RFLAGS: 00000246 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe62ebc3688 RDX: 0000000000010000 RSI: 000055e7b3848000 RDI: 0000000000000001 RBP: 0000000000010000 R8: 0000000000000003 R9: 000055e7b384840e R10: 0000000000000000 R11: 0000000000000246 R12: 000055e7b3848000 R13: 0000000000000000 R14: 0000000000000000 R15: 000055e7b3848000 ORIG_RAX: 0000000000000001 CS: 0033 SS: 002b