PID: 271451 TASK: ffff9f2508850000 CPU: 2 COMMAND: "dd" #0 [ffffc2fe82d5b058] 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 [ffffc2fe82d5b0b0] __crash_kexec at ffffffff8143e5ba /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/kernel/kexec_core.c: 955 #2 [ffffc2fe82d5b170] crash_kexec at ffffffff8143fc05 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/./include/linux/compiler.h: 356 #3 [ffffc2fe82d5b188] oops_end at ffffffff81237cb5 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/kernel/dumpstack.c: 339 #4 [ffffc2fe82d5b1a8] 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 [ffffc2fe82d5b200] __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 [ffffc2fe82d5b248] 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 [ffffc2fe82d5b250] 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 [ffffc2fe82d5b270] __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 [ffffc2fe82d5b290] 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 [ffffc2fe82d5b2c0] 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: ffffc2fe82d5b370 RFLAGS: 00010282 RAX: ffff9f2520010002 RBX: ffff9f252cca0000 RCX: ffff9f252cc9fee0 RDX: ffff9f252cc90010 RSI: 0000000000000fee RDI: 63c25795cf536872 RBP: ffff9f2520000132 R8: 0000000000000ffe R9: 0000000000001000 R10: 00000000000001f9 R11: 000000000000ffe0 R12: ffffc2fe82d5b3d0 R13: 0000000000004000 R14: ffff9f252cca0000 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 [ffffc2fe82d5b3c8] lzo_compress at ffffffff81986413 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/crypto/lzo.c: 73 #12 [ffffc2fe82d5b3e8] crypto_compress at ffffffff81962e97 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/crypto/compress.c: 24 #13 [ffffc2fe82d5b3f0] compress_chunk at ffffffffc0a1ff90 [obdclass] /home/green/git/lustre-release/lustre/obdclass/lustre_compr.c: 195 #14 [ffffc2fe82d5b430] compress_request at ffffffffc130a13b [osc] /home/green/git/lustre-release/include/linux/libcfs/libcfs_debug.h: 111 #15 [ffffc2fe82d5b528] osc_brw_prep_request at ffffffffc13028a1 [osc] /home/green/git/lustre-release/lustre/osc/osc_request.c: 1642 #16 [ffffc2fe82d5b678] osc_build_rpc at ffffffffc1307bf3 [osc] /home/green/git/lustre-release/lustre/osc/osc_request.c: 3054 #17 [ffffc2fe82d5b750] osc_check_rpcs at ffffffffc1331e5b [osc] /home/green/git/lustre-release/lustre/osc/osc_cache.c: 2205 #18 [ffffc2fe82d5b818] __osc_io_unplug at ffffffffc133215b [osc] /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/./include/linux/spinlock.h: 390 #19 [ffffc2fe82d5b838] osc_cache_writeback_range at ffffffffc1335da7 [osc] /home/green/git/lustre-release/lustre/include/lustre_osc.h: 593 #20 [ffffc2fe82d5b908] osc_io_fsync_start at ffffffffc131f891 [osc] /home/green/git/lustre-release/lustre/osc/osc_io.c: 1095 #21 [ffffc2fe82d5b950] cl_io_start at ffffffffc0a00095 [obdclass] /home/green/git/lustre-release/lustre/obdclass/cl_io.c: 539 #22 [ffffc2fe82d5b980] lov_io_call at ffffffffc13b0e01 [lov] /home/green/git/lustre-release/lustre/lov/lov_io.c: 1252 #23 [ffffc2fe82d5b9b0] lov_io_start at ffffffffc13b35ab [lov] /home/green/git/lustre-release/include/linux/libcfs/libcfs_debug.h: 205 #24 [ffffc2fe82d5b9d0] cl_io_start at ffffffffc0a00095 [obdclass] /home/green/git/lustre-release/lustre/obdclass/cl_io.c: 539 #25 [ffffc2fe82d5ba00] cl_io_loop at ffffffffc0a06762 [obdclass] /home/green/git/lustre-release/lustre/obdclass/cl_io.c: 852 #26 [ffffc2fe82d5ba40] cl_sync_file_range at ffffffffc1c462bc [lustre] /home/green/git/lustre-release/lustre/llite/file.c: 5287 #27 [ffffc2fe82d5baa0] vvp_prune at ffffffffc1cc42dc [lustre] /home/green/git/lustre-release/lustre/llite/vvp_object.c: 145 #28 [ffffc2fe82d5bac0] cl_object_prune at ffffffffc09f419f [obdclass] /home/green/git/lustre-release/lustre/obdclass/cl_object.c: 381 #29 [ffffc2fe82d5bae8] ll_layout_lock_set at ffffffffc1c4ba13 [lustre] /home/green/git/lustre-release/lustre/llite/file.c: 6946 #30 [ffffc2fe82d5bb68] ll_layout_refresh at ffffffffc1c4bcff [lustre] /home/green/git/lustre-release/lustre/llite/file.c: 7056 #31 [ffffc2fe82d5bbc8] vvp_io_init at ffffffffc1cc3cae [lustre] /home/green/git/lustre-release/lustre/llite/vvp_io.c: 1907 #32 [ffffc2fe82d5bc30] __cl_io_init at ffffffffc0a03652 [obdclass] /home/green/git/lustre-release/lustre/obdclass/cl_io.c: 140 #33 [ffffc2fe82d5bc60] cl_io_init at ffffffffc0a037cc [obdclass] /home/green/git/lustre-release/lustre/obdclass/cl_io.c: 192 #34 [ffffc2fe82d5bc88] cl_io_rw_init at ffffffffc0a03972 [obdclass] /home/green/git/lustre-release/include/linux/libcfs/libcfs_debug.h: 205 #35 [ffffc2fe82d5bcc0] ll_file_io_generic at ffffffffc1c3b9ed [lustre] /home/green/git/lustre-release/lustre/llite/file.c: 2123 #36 [ffffc2fe82d5bdb0] do_file_write_iter at ffffffffc1c3d48c [lustre] /home/green/git/lustre-release/lustre/llite/file.c: 2675 #37 [ffffc2fe82d5be20] ll_file_write_iter at ffffffffc1c3db0d [lustre] /home/green/git/lustre-release/lustre/llite/file.c: 2706 #38 [ffffc2fe82d5be38] new_sync_write at ffffffff816cd470 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/fs/read_write.c: 475 #39 [ffffc2fe82d5bec0] __vfs_write at ffffffff816d1bc9 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/fs/read_write.c: 487 #40 [ffffc2fe82d5bec8] vfs_write at ffffffff816d1e78 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/fs/read_write.c: 549 #41 [ffffc2fe82d5bef8] ksys_write at ffffffff816d22b6 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/fs/read_write.c: 598 #42 [ffffc2fe82d5bf30] __x64_sys_write at ffffffff816d23be /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/fs/read_write.c: 610 #43 [ffffc2fe82d5bf38] 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 [ffffc2fe82d5bf50] 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: 00007fad18702688 RSP: 00007ffc234dd108 RFLAGS: 00000246 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fad18702688 RDX: 0000000000010000 RSI: 00005597c7461000 RDI: 0000000000000001 RBP: 0000000000010000 R8: 0000000000000003 R9: 00005597c746140e R10: 0000000000000000 R11: 0000000000000246 R12: 00005597c7461000 R13: 0000000000000000 R14: 0000000000000000 R15: 00005597c7461000 ORIG_RAX: 0000000000000001 CS: 0033 SS: 002b