PID: 261979 TASK: ffff9ecd89f98000 CPU: 0 COMMAND: "dd" #0 [ffffc17c437bf038] machine_kexec at ffffffff9b6850a3 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/kernel/machine_kexec_64.c: 417 #1 [ffffc17c437bf090] __crash_kexec at ffffffff9b83e5ba /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/kernel/kexec_core.c: 955 #2 [ffffc17c437bf150] crash_kexec at ffffffff9b83fc05 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/./include/linux/compiler.h: 356 #3 [ffffc17c437bf168] oops_end at ffffffff9b637cb5 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/kernel/dumpstack.c: 339 #4 [ffffc17c437bf188] no_context.cold.27 at ffffffff9b6a1a56 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 796 #5 [ffffc17c437bf1e0] __bad_area_nosemaphore at ffffffff9b6a0356 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 870 #6 [ffffc17c437bf228] bad_area_nosemaphore at ffffffff9b6a06fa /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 877 #7 [ffffc17c437bf230] do_kern_addr_fault at ffffffff9b6a0783 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1268 #8 [ffffc17c437bf250] __do_page_fault at ffffffff9b6a15de /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1495 #9 [ffffc17c437bf270] do_page_fault at ffffffff9b6a1677 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1547 #10 [ffffc17c437bf2a0] page_fault at ffffffff9c600f8e /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: ffffffff9be31c41 RSP: ffffc17c437bf350 RFLAGS: 00010282 RAX: ffff9ecdbbe30002 RBX: ffff9ecdad330000 RCX: ffff9ecdad32fee0 RDX: ffff9ecdad320010 RSI: 0000000000000fee RDI: 0ec483cc10d39ffd RBP: ffff9ecdbbe20132 R8: 0000000000000ffe R9: 0000000000001000 R10: 00000000000001f9 R11: 000000000000ffe0 R12: ffffc17c437bf3b0 R13: 0000000000004000 R14: ffff9ecdad330000 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 [ffffc17c437bf3a8] lzo_compress at ffffffff9bd86413 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/crypto/lzo.c: 73 #12 [ffffc17c437bf3c8] crypto_compress at ffffffff9bd62e97 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/crypto/compress.c: 24 #13 [ffffc17c437bf3d0] compress_chunk at ffffffffc06dce90 [obdclass] /home/green/git/lustre-release/lustre/obdclass/lustre_compr.c: 321 #14 [ffffc17c437bf410] compress_request at ffffffffc0f97ca4 [osc] /home/green/git/lustre-release/include/linux/libcfs/libcfs_debug.h: 111 #15 [ffffc17c437bf548] osc_brw_prep_request at ffffffffc0f904a8 [osc] /home/green/git/lustre-release/lustre/osc/osc_request.c: 1678 #16 [ffffc17c437bf6b0] osc_build_rpc at ffffffffc0f94e93 [osc] /home/green/git/lustre-release/lustre/osc/osc_request.c: 3118 #17 [ffffc17c437bf788] osc_check_rpcs at ffffffffc0fc32f9 [osc] /home/green/git/lustre-release/lustre/osc/osc_cache.c: 2300 #18 [ffffc17c437bf808] __osc_io_unplug at ffffffffc0fc35eb [osc] /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/./include/linux/spinlock.h: 390 #19 [ffffc17c437bf828] osc_cache_writeback_range at ffffffffc0fc75cd [osc] /home/green/git/lustre-release/lustre/include/lustre_osc.h: 614 #20 [ffffc17c437bf908] osc_io_fsync_start at ffffffffc0faec41 [osc] /home/green/git/lustre-release/lustre/osc/osc_io.c: 1149 #21 [ffffc17c437bf950] cl_io_start at ffffffffc06bcbd5 [obdclass] /home/green/git/lustre-release/lustre/obdclass/cl_io.c: 539 #22 [ffffc17c437bf980] lov_io_call at ffffffffc1049ed1 [lov] /home/green/git/lustre-release/lustre/lov/lov_io.c: 1488 #23 [ffffc17c437bf9b0] lov_io_start at ffffffffc104d05b [lov] /home/green/git/lustre-release/include/linux/libcfs/libcfs_debug.h: 205 #24 [ffffc17c437bf9d0] cl_io_start at ffffffffc06bcbd5 [obdclass] /home/green/git/lustre-release/lustre/obdclass/cl_io.c: 539 #25 [ffffc17c437bfa00] cl_io_loop at ffffffffc06c32a2 [obdclass] /home/green/git/lustre-release/lustre/obdclass/cl_io.c: 852 #26 [ffffc17c437bfa40] cl_sync_file_range at ffffffffc18b9416 [lustre] /home/green/git/lustre-release/lustre/llite/file.c: 5340 #27 [ffffc17c437bfaa0] vvp_prune at ffffffffc193a19c [lustre] /home/green/git/lustre-release/lustre/llite/vvp_object.c: 145 #28 [ffffc17c437bfac0] cl_object_prune at ffffffffc06b0caf [obdclass] /home/green/git/lustre-release/lustre/obdclass/cl_object.c: 373 #29 [ffffc17c437bfae8] ll_layout_lock_set at ffffffffc18c0513 [lustre] /home/green/git/lustre-release/lustre/llite/file.c: 7030 #30 [ffffc17c437bfb68] ll_layout_refresh at ffffffffc18c07ff [lustre] /home/green/git/lustre-release/lustre/llite/file.c: 7140 #31 [ffffc17c437bfbc8] vvp_io_init at ffffffffc1939b6e [lustre] /home/green/git/lustre-release/lustre/llite/vvp_io.c: 1937 #32 [ffffc17c437bfc30] __cl_io_init at ffffffffc06c0192 [obdclass] /home/green/git/lustre-release/lustre/obdclass/cl_io.c: 140 #33 [ffffc17c437bfc60] cl_io_init at ffffffffc06c030c [obdclass] /home/green/git/lustre-release/lustre/obdclass/cl_io.c: 192 #34 [ffffc17c437bfc88] cl_io_rw_init at ffffffffc06c04b2 [obdclass] /home/green/git/lustre-release/include/linux/libcfs/libcfs_debug.h: 205 #35 [ffffc17c437bfcc0] ll_file_io_generic at ffffffffc18ae9ba [lustre] /home/green/git/lustre-release/lustre/llite/file.c: 2153 #36 [ffffc17c437bfdb0] do_file_write_iter at ffffffffc18b03a2 [lustre] /home/green/git/lustre-release/lustre/llite/file.c: 2713 #37 [ffffc17c437bfe20] ll_file_write_iter at ffffffffc18b0c5d [lustre] /home/green/git/lustre-release/lustre/llite/file.c: 2744 #38 [ffffc17c437bfe38] new_sync_write at ffffffff9bacd470 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/fs/read_write.c: 475 #39 [ffffc17c437bfec0] __vfs_write at ffffffff9bad1bc9 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/fs/read_write.c: 487 #40 [ffffc17c437bfec8] vfs_write at ffffffff9bad1e78 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/fs/read_write.c: 549 #41 [ffffc17c437bfef8] ksys_write at ffffffff9bad22b6 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/fs/read_write.c: 598 #42 [ffffc17c437bff30] __x64_sys_write at ffffffff9bad23be /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/fs/read_write.c: 610 #43 [ffffc17c437bff38] do_syscall_64 at ffffffff9b604641 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/entry/common.c: 303 #44 [ffffc17c437bff50] entry_SYSCALL_64_after_hwframe at ffffffff9c6000bd /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/entry/entry_64.S: 156 RIP: 00007f41c3b8e688 RSP: 00007ffc2e6f64c8 RFLAGS: 00000246 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f41c3b8e688 RDX: 0000000000010000 RSI: 000055d824e6b000 RDI: 0000000000000001 RBP: 0000000000010000 R8: 0000000000000003 R9: 000055d824e6b40e R10: 0000000000000000 R11: 0000000000000246 R12: 000055d824e6b000 R13: 0000000000000000 R14: 0000000000000000 R15: 000055d824e6b000 ORIG_RAX: 0000000000000001 CS: 0033 SS: 002b