PID: 261925 TASK: ffff8a11b1a6a7c0 CPU: 3 COMMAND: "dd" #0 [ffffb1ffc363b078] machine_kexec at ffffffff9bc850a3 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/kernel/machine_kexec_64.c: 417 #1 [ffffb1ffc363b0d0] __crash_kexec at ffffffff9be3e5ba /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/kernel/kexec_core.c: 955 #2 [ffffb1ffc363b190] crash_kexec at ffffffff9be3fc05 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/./include/linux/compiler.h: 356 #3 [ffffb1ffc363b1a8] oops_end at ffffffff9bc37cb5 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/kernel/dumpstack.c: 339 #4 [ffffb1ffc363b1c8] no_context.cold.27 at ffffffff9bca1a56 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 796 #5 [ffffb1ffc363b220] __bad_area_nosemaphore at ffffffff9bca0356 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 870 #6 [ffffb1ffc363b268] bad_area_nosemaphore at ffffffff9bca06fa /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 877 #7 [ffffb1ffc363b270] do_kern_addr_fault at ffffffff9bca0783 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1268 #8 [ffffb1ffc363b290] __do_page_fault at ffffffff9bca15de /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1495 #9 [ffffb1ffc363b2b0] do_page_fault at ffffffff9bca1677 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1547 #10 [ffffb1ffc363b2e0] page_fault at ffffffff9cc00f8e /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: ffffffff9c431c41 RSP: ffffb1ffc363b390 RFLAGS: 00010282 RAX: ffff8a1188a80002 RBX: ffff8a1192ad0000 RCX: ffff8a1192acfee0 RDX: ffff8a1192ac0010 RSI: 000000000003cfb2 RDI: a7280c68861a11b0 RBP: ffff8a1188a70132 R8: 0000000000000ffe R9: 000000000003cfc4 R10: 00000000000001f9 R11: 000000000000ffe0 R12: ffffb1ffc363b3f0 R13: 0000000000004000 R14: ffff8a1192ad0000 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 [ffffb1ffc363b3e8] lzo_compress at ffffffff9c386413 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/crypto/lzo.c: 73 #12 [ffffb1ffc363b408] crypto_compress at ffffffff9c362e97 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/crypto/compress.c: 24 #13 [ffffb1ffc363b410] compress_chunk at ffffffffc06a4c90 [obdclass] /home/green/git/lustre-release/lustre/obdclass/lustre_compr.c: 311 #14 [ffffb1ffc363b450] compress_request at ffffffffc0f93321 [osc] /home/green/git/lustre-release/include/linux/libcfs/libcfs_debug.h: 111 #15 [ffffb1ffc363b548] osc_brw_prep_request at ffffffffc0f8c42d [osc] /home/green/git/lustre-release/lustre/osc/osc_request.c: 1663 #16 [ffffb1ffc363b6b0] osc_build_rpc at ffffffffc0f90dd3 [osc] /home/green/git/lustre-release/lustre/osc/osc_request.c: 3103 #17 [ffffb1ffc363b788] osc_check_rpcs at ffffffffc0fbe169 [osc] /home/green/git/lustre-release/lustre/osc/osc_cache.c: 2300 #18 [ffffb1ffc363b808] __osc_io_unplug at ffffffffc0fbe45b [osc] /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/./include/linux/spinlock.h: 390 #19 [ffffb1ffc363b828] osc_cache_writeback_range at ffffffffc0fc243d [osc] /home/green/git/lustre-release/lustre/include/lustre_osc.h: 603 #20 [ffffb1ffc363b908] osc_io_fsync_start at ffffffffc0fa9ab1 [osc] /home/green/git/lustre-release/lustre/osc/osc_io.c: 1147 #21 [ffffb1ffc363b950] cl_io_start at ffffffffc0684ad5 [obdclass] /home/green/git/lustre-release/lustre/obdclass/cl_io.c: 539 #22 [ffffb1ffc363b980] lov_io_call at ffffffffc1042ed1 [lov] /home/green/git/lustre-release/lustre/lov/lov_io.c: 1483 #23 [ffffb1ffc363b9b0] lov_io_start at ffffffffc104604b [lov] /home/green/git/lustre-release/include/linux/libcfs/libcfs_debug.h: 205 #24 [ffffb1ffc363b9d0] cl_io_start at ffffffffc0684ad5 [obdclass] /home/green/git/lustre-release/lustre/obdclass/cl_io.c: 539 #25 [ffffb1ffc363ba00] cl_io_loop at ffffffffc068b1a2 [obdclass] /home/green/git/lustre-release/lustre/obdclass/cl_io.c: 852 #26 [ffffb1ffc363ba40] cl_sync_file_range at ffffffffc18b4416 [lustre] /home/green/git/lustre-release/lustre/llite/file.c: 5340 #27 [ffffb1ffc363baa0] vvp_prune at ffffffffc193510c [lustre] /home/green/git/lustre-release/lustre/llite/vvp_object.c: 145 #28 [ffffb1ffc363bac0] cl_object_prune at ffffffffc0678baf [obdclass] /home/green/git/lustre-release/lustre/obdclass/cl_object.c: 373 #29 [ffffb1ffc363bae8] ll_layout_lock_set at ffffffffc18bb513 [lustre] /home/green/git/lustre-release/lustre/llite/file.c: 7030 #30 [ffffb1ffc363bb68] ll_layout_refresh at ffffffffc18bb7ff [lustre] /home/green/git/lustre-release/lustre/llite/file.c: 7140 #31 [ffffb1ffc363bbc8] vvp_io_init at ffffffffc1934ade [lustre] /home/green/git/lustre-release/lustre/llite/vvp_io.c: 1937 #32 [ffffb1ffc363bc30] __cl_io_init at ffffffffc0688092 [obdclass] /home/green/git/lustre-release/lustre/obdclass/cl_io.c: 140 #33 [ffffb1ffc363bc60] cl_io_init at ffffffffc068820c [obdclass] /home/green/git/lustre-release/lustre/obdclass/cl_io.c: 192 #34 [ffffb1ffc363bc88] cl_io_rw_init at ffffffffc06883b2 [obdclass] /home/green/git/lustre-release/include/linux/libcfs/libcfs_debug.h: 205 #35 [ffffb1ffc363bcc0] ll_file_io_generic at ffffffffc18a99ba [lustre] /home/green/git/lustre-release/lustre/llite/file.c: 2153 #36 [ffffb1ffc363bdb0] do_file_write_iter at ffffffffc18ab3a2 [lustre] /home/green/git/lustre-release/lustre/llite/file.c: 2713 #37 [ffffb1ffc363be20] ll_file_write_iter at ffffffffc18abc5d [lustre] /home/green/git/lustre-release/lustre/llite/file.c: 2744 #38 [ffffb1ffc363be38] new_sync_write at ffffffff9c0cd470 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/fs/read_write.c: 475 #39 [ffffb1ffc363bec0] __vfs_write at ffffffff9c0d1bc9 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/fs/read_write.c: 487 #40 [ffffb1ffc363bec8] vfs_write at ffffffff9c0d1e78 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/fs/read_write.c: 549 #41 [ffffb1ffc363bef8] ksys_write at ffffffff9c0d22b6 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/fs/read_write.c: 598 #42 [ffffb1ffc363bf30] __x64_sys_write at ffffffff9c0d23be /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/fs/read_write.c: 610 #43 [ffffb1ffc363bf38] do_syscall_64 at ffffffff9bc04641 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/entry/common.c: 303 #44 [ffffb1ffc363bf50] entry_SYSCALL_64_after_hwframe at ffffffff9cc000bd /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/entry/entry_64.S: 156 RIP: 00007fbc1ac21688 RSP: 00007ffd60f39a48 RFLAGS: 00000246 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fbc1ac21688 RDX: 0000000000010000 RSI: 000056244a302000 RDI: 0000000000000001 RBP: 0000000000010000 R8: 0000000000000003 R9: 000056244a30240e R10: 0000000000000000 R11: 0000000000000246 R12: 000056244a302000 R13: 0000000000000000 R14: 0000000000000000 R15: 000056244a302000 ORIG_RAX: 0000000000000001 CS: 0033 SS: 002b