PID: 261225 TASK: ffff8cbbc166a7c0 CPU: 2 COMMAND: "dd" #0 [ffff9ed3434e3038] machine_kexec at ffffffff8c6850a3 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/kernel/machine_kexec_64.c: 417 #1 [ffff9ed3434e3090] __crash_kexec at ffffffff8c83e5ba /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/kernel/kexec_core.c: 955 #2 [ffff9ed3434e3150] crash_kexec at ffffffff8c83fc05 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/./include/linux/compiler.h: 356 #3 [ffff9ed3434e3168] oops_end at ffffffff8c637cb5 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/kernel/dumpstack.c: 339 #4 [ffff9ed3434e3188] no_context.cold.27 at ffffffff8c6a1a56 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 796 #5 [ffff9ed3434e31e0] __bad_area_nosemaphore at ffffffff8c6a0356 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 870 #6 [ffff9ed3434e3228] bad_area_nosemaphore at ffffffff8c6a06fa /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 877 #7 [ffff9ed3434e3230] do_kern_addr_fault at ffffffff8c6a0783 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1268 #8 [ffff9ed3434e3250] __do_page_fault at ffffffff8c6a15de /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1495 #9 [ffff9ed3434e3270] do_page_fault at ffffffff8c6a1677 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1547 #10 [ffff9ed3434e32a0] page_fault at ffffffff8d600f8e /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: ffffffff8ce31c41 RSP: ffff9ed3434e3358 RFLAGS: 00010282 RAX: ffff8cbbc6840002 RBX: ffff8cbbedbb0000 RCX: ffff8cbbedbafee0 RDX: ffff8cbbedba0010 RSI: 0000000000000fee RDI: 63cef4ad16b18f07 RBP: ffff8cbbc6830132 R8: 0000000000000ffe R9: 0000000000001000 R10: 00000000000001f9 R11: 000000000000ffe0 R12: ffff9ed3434e33b8 R13: 0000000000004000 R14: ffff8cbbedbb0000 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 [ffff9ed3434e33b0] lzo_compress at ffffffff8cd86413 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/crypto/lzo.c: 73 #12 [ffff9ed3434e33d0] crypto_compress at ffffffff8cd62e97 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/crypto/compress.c: 24 #13 [ffff9ed3434e33d8] compress_chunk at ffffffffc0841ac0 [obdclass] /home/green/git/lustre-release/lustre/obdclass/lustre_compr.c: 195 #14 [ffff9ed3434e3418] compress_request at ffffffffc112d31b [osc] /home/green/git/lustre-release/include/linux/libcfs/libcfs_debug.h: 111 #15 [ffff9ed3434e3510] osc_brw_prep_request at ffffffffc112642d [osc] /home/green/git/lustre-release/lustre/osc/osc_request.c: 1663 #16 [ffff9ed3434e3678] osc_build_rpc at ffffffffc112add3 [osc] /home/green/git/lustre-release/lustre/osc/osc_request.c: 3103 #17 [ffff9ed3434e3750] osc_check_rpcs at ffffffffc115507b [osc] /home/green/git/lustre-release/lustre/osc/osc_cache.c: 2203 #18 [ffff9ed3434e3818] __osc_io_unplug at ffffffffc115537b [osc] /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/./include/linux/spinlock.h: 390 #19 [ffff9ed3434e3838] osc_cache_writeback_range at ffffffffc1158fb4 [osc] /home/green/git/lustre-release/lustre/include/lustre_osc.h: 593 #20 [ffff9ed3434e3908] osc_io_fsync_start at ffffffffc1142ba1 [osc] /home/green/git/lustre-release/lustre/osc/osc_io.c: 1120 #21 [ffff9ed3434e3950] cl_io_start at ffffffffc0821ad5 [obdclass] /home/green/git/lustre-release/lustre/obdclass/cl_io.c: 539 #22 [ffff9ed3434e3980] lov_io_call at ffffffffc11d3ed1 [lov] /home/green/git/lustre-release/lustre/lov/lov_io.c: 1483 #23 [ffff9ed3434e39b0] lov_io_start at ffffffffc11d704b [lov] /home/green/git/lustre-release/include/linux/libcfs/libcfs_debug.h: 205 #24 [ffff9ed3434e39d0] cl_io_start at ffffffffc0821ad5 [obdclass] /home/green/git/lustre-release/lustre/obdclass/cl_io.c: 539 #25 [ffff9ed3434e3a00] cl_io_loop at ffffffffc08281a2 [obdclass] /home/green/git/lustre-release/lustre/obdclass/cl_io.c: 852 #26 [ffff9ed3434e3a40] cl_sync_file_range at ffffffffc1a03416 [lustre] /home/green/git/lustre-release/lustre/llite/file.c: 5340 #27 [ffff9ed3434e3aa0] vvp_prune at ffffffffc1a8409c [lustre] /home/green/git/lustre-release/lustre/llite/vvp_object.c: 145 #28 [ffff9ed3434e3ac0] cl_object_prune at ffffffffc0815baf [obdclass] /home/green/git/lustre-release/lustre/obdclass/cl_object.c: 373 #29 [ffff9ed3434e3ae8] ll_layout_lock_set at ffffffffc1a0a513 [lustre] /home/green/git/lustre-release/lustre/llite/file.c: 7030 #30 [ffff9ed3434e3b68] ll_layout_refresh at ffffffffc1a0a7ff [lustre] /home/green/git/lustre-release/lustre/llite/file.c: 7140 #31 [ffff9ed3434e3bc8] vvp_io_init at ffffffffc1a83a6e [lustre] /home/green/git/lustre-release/lustre/llite/vvp_io.c: 1941 #32 [ffff9ed3434e3c30] __cl_io_init at ffffffffc0825092 [obdclass] /home/green/git/lustre-release/lustre/obdclass/cl_io.c: 140 #33 [ffff9ed3434e3c60] cl_io_init at ffffffffc082520c [obdclass] /home/green/git/lustre-release/lustre/obdclass/cl_io.c: 192 #34 [ffff9ed3434e3c88] cl_io_rw_init at ffffffffc08253b2 [obdclass] /home/green/git/lustre-release/include/linux/libcfs/libcfs_debug.h: 205 #35 [ffff9ed3434e3cc0] ll_file_io_generic at ffffffffc19f89ba [lustre] /home/green/git/lustre-release/lustre/llite/file.c: 2153 #36 [ffff9ed3434e3db0] do_file_write_iter at ffffffffc19fa3a2 [lustre] /home/green/git/lustre-release/lustre/llite/file.c: 2713 #37 [ffff9ed3434e3e20] ll_file_write_iter at ffffffffc19fac5d [lustre] /home/green/git/lustre-release/lustre/llite/file.c: 2744 #38 [ffff9ed3434e3e38] new_sync_write at ffffffff8cacd470 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/fs/read_write.c: 475 #39 [ffff9ed3434e3ec0] __vfs_write at ffffffff8cad1bc9 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/fs/read_write.c: 487 #40 [ffff9ed3434e3ec8] vfs_write at ffffffff8cad1e78 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/fs/read_write.c: 549 #41 [ffff9ed3434e3ef8] ksys_write at ffffffff8cad22b6 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/fs/read_write.c: 598 #42 [ffff9ed3434e3f30] __x64_sys_write at ffffffff8cad23be /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/fs/read_write.c: 610 #43 [ffff9ed3434e3f38] do_syscall_64 at ffffffff8c604641 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/entry/common.c: 303 #44 [ffff9ed3434e3f50] entry_SYSCALL_64_after_hwframe at ffffffff8d6000bd /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/entry/entry_64.S: 156 RIP: 00007f7368a8a688 RSP: 00007ffe8bb88cf8 RFLAGS: 00000246 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f7368a8a688 RDX: 0000000000010000 RSI: 000055e9553cc000 RDI: 0000000000000001 RBP: 0000000000010000 R8: 0000000000000003 R9: 000055e9553cc40e R10: 0000000000000000 R11: 0000000000000246 R12: 000055e9553cc000 R13: 0000000000000000 R14: 0000000000000000 R15: 000055e9553cc000 ORIG_RAX: 0000000000000001 CS: 0033 SS: 002b