PID: 262684 TASK: ffff8e7908d6a7c0 CPU: 2 COMMAND: "dd" #0 [ffffaf99076bf018] machine_kexec at ffffffff98a850a3 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/kernel/machine_kexec_64.c: 417 #1 [ffffaf99076bf070] __crash_kexec at ffffffff98c3e5ba /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/kernel/kexec_core.c: 955 #2 [ffffaf99076bf130] crash_kexec at ffffffff98c3fc05 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/./include/linux/compiler.h: 356 #3 [ffffaf99076bf148] oops_end at ffffffff98a37cb5 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/kernel/dumpstack.c: 339 #4 [ffffaf99076bf168] no_context.cold.27 at ffffffff98aa1a56 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 796 #5 [ffffaf99076bf1c0] __bad_area_nosemaphore at ffffffff98aa0356 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 870 #6 [ffffaf99076bf208] bad_area_nosemaphore at ffffffff98aa06fa /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 877 #7 [ffffaf99076bf210] do_kern_addr_fault at ffffffff98aa0783 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1268 #8 [ffffaf99076bf230] __do_page_fault at ffffffff98aa15de /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1495 #9 [ffffaf99076bf250] do_page_fault at ffffffff98aa1677 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1547 #10 [ffffaf99076bf280] page_fault at ffffffff99a00f8e /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: ffffffff99231c41 RSP: ffffaf99076bf330 RFLAGS: 00010282 RAX: ffff8e7906590002 RBX: ffffaf9907c6b000 RCX: ffffaf9907c6aee0 RDX: ffffaf9907c5b010 RSI: 0000000000000fee RDI: 0fbf97548db80406 RBP: ffff8e7906580132 R8: 0000000000000ffe R9: 0000000000001000 R10: 00000000000001f9 R11: 000000000000ffe0 R12: ffffaf99076bf390 R13: 0000000000004000 R14: ffffaf9907c6b000 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 [ffffaf99076bf388] lzo_compress at ffffffff99186413 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/crypto/lzo.c: 73 #12 [ffffaf99076bf3a8] crypto_compress at ffffffff99162e97 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/crypto/compress.c: 24 #13 [ffffaf99076bf3b0] compress_chunk at ffffffffc08bb650 [obdclass] /home/green/git/lustre-release/lustre/obdclass/lustre_compr.c: 412 #14 [ffffaf99076bf3f0] compress_request at ffffffffc11ae254 [osc] /home/green/git/lustre-release/lustre/osc/osc_compress.c: 434 #15 [ffffaf99076bf550] osc_brw_prep_request at ffffffffc11a65a8 [osc] /home/green/git/lustre-release/lustre/osc/osc_request.c: 1678 #16 [ffffaf99076bf6b0] osc_build_rpc at ffffffffc11aaf93 [osc] /home/green/git/lustre-release/lustre/osc/osc_request.c: 3118 #17 [ffffaf99076bf788] osc_check_rpcs at ffffffffc11da4f9 [osc] /home/green/git/lustre-release/lustre/osc/osc_cache.c: 2358 #18 [ffffaf99076bf808] __osc_io_unplug at ffffffffc11da7eb [osc] /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/./include/linux/spinlock.h: 390 #19 [ffffaf99076bf828] osc_cache_writeback_range at ffffffffc11de7cd [osc] /home/green/git/lustre-release/lustre/include/lustre_osc.h: 637 #20 [ffffaf99076bf908] osc_io_fsync_start at ffffffffc11c5d11 [osc] /home/green/git/lustre-release/lustre/osc/osc_io.c: 1149 #21 [ffffaf99076bf950] cl_io_start at ffffffffc089ae65 [obdclass] /home/green/git/lustre-release/lustre/obdclass/cl_io.c: 539 #22 [ffffaf99076bf980] lov_io_call at ffffffffc1261f81 [lov] /home/green/git/lustre-release/lustre/lov/lov_io.c: 1519 #23 [ffffaf99076bf9b0] lov_io_start at ffffffffc126509b [lov] /home/green/git/lustre-release/include/linux/libcfs/libcfs_debug.h: 205 #24 [ffffaf99076bf9d0] cl_io_start at ffffffffc089ae65 [obdclass] /home/green/git/lustre-release/lustre/obdclass/cl_io.c: 539 #25 [ffffaf99076bfa00] cl_io_loop at ffffffffc08a1532 [obdclass] /home/green/git/lustre-release/lustre/obdclass/cl_io.c: 852 #26 [ffffaf99076bfa40] cl_sync_file_range at ffffffffc1ad6d66 [lustre] /home/green/git/lustre-release/lustre/llite/file.c: 5340 #27 [ffffaf99076bfaa0] vvp_prune at ffffffffc1b58fcc [lustre] /home/green/git/lustre-release/lustre/llite/vvp_object.c: 151 #28 [ffffaf99076bfac0] cl_object_prune at ffffffffc088ef3f [obdclass] /home/green/git/lustre-release/lustre/obdclass/cl_object.c: 373 #29 [ffffaf99076bfae8] ll_layout_lock_set at ffffffffc1adde53 [lustre] /home/green/git/lustre-release/lustre/llite/file.c: 7030 #30 [ffffaf99076bfb68] ll_layout_refresh at ffffffffc1ade7ff [lustre] /home/green/git/lustre-release/lustre/llite/file.c: 7141 #31 [ffffaf99076bfbc8] vvp_io_init at ffffffffc1b5899e [lustre] /home/green/git/lustre-release/lustre/llite/vvp_io.c: 2044 #32 [ffffaf99076bfc30] __cl_io_init at ffffffffc089e422 [obdclass] /home/green/git/lustre-release/lustre/obdclass/cl_io.c: 140 #33 [ffffaf99076bfc60] cl_io_init at ffffffffc089e59c [obdclass] /home/green/git/lustre-release/lustre/obdclass/cl_io.c: 192 #34 [ffffaf99076bfc88] cl_io_rw_init at ffffffffc089e742 [obdclass] /home/green/git/lustre-release/include/linux/libcfs/libcfs_debug.h: 205 #35 [ffffaf99076bfcc0] ll_file_io_generic at ffffffffc1acc30a [lustre] /home/green/git/lustre-release/lustre/llite/file.c: 2153 #36 [ffffaf99076bfdb0] do_file_write_iter at ffffffffc1acdcf2 [lustre] /home/green/git/lustre-release/lustre/llite/file.c: 2713 #37 [ffffaf99076bfe20] ll_file_write_iter at ffffffffc1ace5ad [lustre] /home/green/git/lustre-release/lustre/llite/file.c: 2744 #38 [ffffaf99076bfe38] new_sync_write at ffffffff98ecd470 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/fs/read_write.c: 475 #39 [ffffaf99076bfec0] __vfs_write at ffffffff98ed1bc9 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/fs/read_write.c: 487 #40 [ffffaf99076bfec8] vfs_write at ffffffff98ed1e78 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/fs/read_write.c: 549 #41 [ffffaf99076bfef8] ksys_write at ffffffff98ed22b6 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/fs/read_write.c: 598 #42 [ffffaf99076bff30] __x64_sys_write at ffffffff98ed23be /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/fs/read_write.c: 610 #43 [ffffaf99076bff38] do_syscall_64 at ffffffff98a04641 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/entry/common.c: 303 #44 [ffffaf99076bff50] entry_SYSCALL_64_after_hwframe at ffffffff99a000bd /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/entry/entry_64.S: 156 RIP: 00007feba6b2a688 RSP: 00007ffef749ec58 RFLAGS: 00000246 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007feba6b2a688 RDX: 0000000000010000 RSI: 00005587c18ef000 RDI: 0000000000000001 RBP: 0000000000010000 R8: 0000000000000003 R9: 00005587c18ef40e R10: 0000000000000000 R11: 0000000000000246 R12: 00005587c18ef000 R13: 0000000000000000 R14: 0000000000000000 R15: 00005587c18ef000 ORIG_RAX: 0000000000000001 CS: 0033 SS: 002b