PID: 261644 TASK: ffff96588134cf80 CPU: 3 COMMAND: "dd" #0 [ffffb85ec2bb7058] machine_kexec at ffffffff934850a3 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/kernel/machine_kexec_64.c: 417 #1 [ffffb85ec2bb70b0] __crash_kexec at ffffffff9363e5ba /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/kernel/kexec_core.c: 955 #2 [ffffb85ec2bb7170] crash_kexec at ffffffff9363fc05 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/./include/linux/compiler.h: 356 #3 [ffffb85ec2bb7188] oops_end at ffffffff93437cb5 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/kernel/dumpstack.c: 339 #4 [ffffb85ec2bb71a8] no_context.cold.27 at ffffffff934a1a56 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 796 #5 [ffffb85ec2bb7200] __bad_area_nosemaphore at ffffffff934a0356 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 870 #6 [ffffb85ec2bb7248] bad_area_nosemaphore at ffffffff934a06fa /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 877 #7 [ffffb85ec2bb7250] do_kern_addr_fault at ffffffff934a0783 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1268 #8 [ffffb85ec2bb7270] __do_page_fault at ffffffff934a15de /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1495 #9 [ffffb85ec2bb7290] do_page_fault at ffffffff934a1677 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1547 #10 [ffffb85ec2bb72c0] page_fault at ffffffff94400f8e /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: ffffffff93c31c41 RSP: ffffb85ec2bb7370 RFLAGS: 00010282 RAX: ffff965886d70002 RBX: ffff9658b88c0000 RCX: ffff9658b88bfee0 RDX: ffff9658b88b0010 RSI: 000000000003cfb2 RDI: 7a97aba576259058 RBP: ffff965886d60132 R8: 0000000000000ffe R9: 000000000003cfc4 R10: 00000000000001f9 R11: 000000000000ffe0 R12: ffffb85ec2bb73d0 R13: 0000000000004000 R14: ffff9658b88c0000 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 [ffffb85ec2bb73c8] lzo_compress at ffffffff93b86413 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/crypto/lzo.c: 73 #12 [ffffb85ec2bb73e8] crypto_compress at ffffffff93b62e97 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/crypto/compress.c: 24 #13 [ffffb85ec2bb73f0] compress_chunk at ffffffffc0793f90 [obdclass] /home/green/git/lustre-release/lustre/obdclass/lustre_compr.c: 195 #14 [ffffb85ec2bb7430] compress_request at ffffffffc107e13b [osc] /home/green/git/lustre-release/include/linux/libcfs/libcfs_debug.h: 111 #15 [ffffb85ec2bb7528] osc_brw_prep_request at ffffffffc10768a1 [osc] /home/green/git/lustre-release/lustre/osc/osc_request.c: 1642 #16 [ffffb85ec2bb7678] osc_build_rpc at ffffffffc107bbf3 [osc] /home/green/git/lustre-release/lustre/osc/osc_request.c: 3054 #17 [ffffb85ec2bb7750] osc_check_rpcs at ffffffffc10a5e2b [osc] /home/green/git/lustre-release/lustre/osc/osc_cache.c: 2205 #18 [ffffb85ec2bb7818] __osc_io_unplug at ffffffffc10a612b [osc] /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/./include/linux/spinlock.h: 390 #19 [ffffb85ec2bb7838] osc_cache_writeback_range at ffffffffc10a9d77 [osc] /home/green/git/lustre-release/lustre/include/lustre_osc.h: 591 #20 [ffffb85ec2bb7908] osc_io_fsync_start at ffffffffc1093861 [osc] /home/green/git/lustre-release/lustre/osc/osc_io.c: 1097 #21 [ffffb85ec2bb7950] cl_io_start at ffffffffc0774095 [obdclass] /home/green/git/lustre-release/lustre/obdclass/cl_io.c: 539 #22 [ffffb85ec2bb7980] lov_io_call at ffffffffc1124e01 [lov] /home/green/git/lustre-release/lustre/lov/lov_io.c: 1252 #23 [ffffb85ec2bb79b0] lov_io_start at ffffffffc11275ab [lov] /home/green/git/lustre-release/include/linux/libcfs/libcfs_debug.h: 205 #24 [ffffb85ec2bb79d0] cl_io_start at ffffffffc0774095 [obdclass] /home/green/git/lustre-release/lustre/obdclass/cl_io.c: 539 #25 [ffffb85ec2bb7a00] cl_io_loop at ffffffffc077a762 [obdclass] /home/green/git/lustre-release/lustre/obdclass/cl_io.c: 852 #26 [ffffb85ec2bb7a40] cl_sync_file_range at ffffffffc19ba2bc [lustre] /home/green/git/lustre-release/lustre/llite/file.c: 5287 #27 [ffffb85ec2bb7aa0] vvp_prune at ffffffffc1a37fbc [lustre] /home/green/git/lustre-release/lustre/llite/vvp_object.c: 145 #28 [ffffb85ec2bb7ac0] cl_object_prune at ffffffffc076819f [obdclass] /home/green/git/lustre-release/lustre/obdclass/cl_object.c: 381 #29 [ffffb85ec2bb7ae8] ll_layout_lock_set at ffffffffc19bfa13 [lustre] /home/green/git/lustre-release/lustre/llite/file.c: 6946 #30 [ffffb85ec2bb7b68] ll_layout_refresh at ffffffffc19bfcff [lustre] /home/green/git/lustre-release/lustre/llite/file.c: 7056 #31 [ffffb85ec2bb7bc8] vvp_io_init at ffffffffc1a3798e [lustre] /home/green/git/lustre-release/lustre/llite/vvp_io.c: 1907 #32 [ffffb85ec2bb7c30] __cl_io_init at ffffffffc0777652 [obdclass] /home/green/git/lustre-release/lustre/obdclass/cl_io.c: 140 #33 [ffffb85ec2bb7c60] cl_io_init at ffffffffc07777cc [obdclass] /home/green/git/lustre-release/lustre/obdclass/cl_io.c: 192 #34 [ffffb85ec2bb7c88] cl_io_rw_init at ffffffffc0777972 [obdclass] /home/green/git/lustre-release/include/linux/libcfs/libcfs_debug.h: 205 #35 [ffffb85ec2bb7cc0] ll_file_io_generic at ffffffffc19af9ed [lustre] /home/green/git/lustre-release/lustre/llite/file.c: 2123 #36 [ffffb85ec2bb7db0] do_file_write_iter at ffffffffc19b148c [lustre] /home/green/git/lustre-release/lustre/llite/file.c: 2675 #37 [ffffb85ec2bb7e20] ll_file_write_iter at ffffffffc19b1b0d [lustre] /home/green/git/lustre-release/lustre/llite/file.c: 2706 #38 [ffffb85ec2bb7e38] new_sync_write at ffffffff938cd470 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/fs/read_write.c: 475 #39 [ffffb85ec2bb7ec0] __vfs_write at ffffffff938d1bc9 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/fs/read_write.c: 487 #40 [ffffb85ec2bb7ec8] vfs_write at ffffffff938d1e78 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/fs/read_write.c: 549 #41 [ffffb85ec2bb7ef8] ksys_write at ffffffff938d22b6 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/fs/read_write.c: 598 #42 [ffffb85ec2bb7f30] __x64_sys_write at ffffffff938d23be /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/fs/read_write.c: 610 #43 [ffffb85ec2bb7f38] do_syscall_64 at ffffffff93404641 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/entry/common.c: 303 #44 [ffffb85ec2bb7f50] entry_SYSCALL_64_after_hwframe at ffffffff944000bd /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/entry/entry_64.S: 156 RIP: 00007f12b5a85688 RSP: 00007ffdf4d19308 RFLAGS: 00000246 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f12b5a85688 RDX: 0000000000010000 RSI: 0000555ca5278000 RDI: 0000000000000001 RBP: 0000000000010000 R8: 0000000000000003 R9: 0000555ca527840e R10: 0000000000000000 R11: 0000000000000246 R12: 0000555ca5278000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000555ca5278000 ORIG_RAX: 0000000000000001 CS: 0033 SS: 002b