PID: 262844 TASK: ffff99adb3f3cf80 CPU: 0 COMMAND: "dd" #0 [ffffaf60c2af7058] machine_kexec at ffffffff95c850a3 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/kernel/machine_kexec_64.c: 417 #1 [ffffaf60c2af70b0] __crash_kexec at ffffffff95e3e5ba /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/kernel/kexec_core.c: 955 #2 [ffffaf60c2af7170] crash_kexec at ffffffff95e3fc05 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/./include/linux/compiler.h: 356 #3 [ffffaf60c2af7188] oops_end at ffffffff95c37cb5 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/kernel/dumpstack.c: 339 #4 [ffffaf60c2af71a8] no_context.cold.27 at ffffffff95ca1a56 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 796 #5 [ffffaf60c2af7200] __bad_area_nosemaphore at ffffffff95ca0356 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 870 #6 [ffffaf60c2af7248] bad_area_nosemaphore at ffffffff95ca06fa /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 877 #7 [ffffaf60c2af7250] do_kern_addr_fault at ffffffff95ca0783 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1268 #8 [ffffaf60c2af7270] __do_page_fault at ffffffff95ca15de /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1495 #9 [ffffaf60c2af7290] do_page_fault at ffffffff95ca1677 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1547 #10 [ffffaf60c2af72c0] page_fault at ffffffff96c00f8e /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: ffffffff96431c41 RSP: ffffaf60c2af7370 RFLAGS: 00010282 RAX: ffff99adad7b0002 RBX: ffff99adabd50000 RCX: ffff99adabd4fee0 RDX: ffff99adabd40010 RSI: 000000000003cfb2 RDI: b3813b76d55245de RBP: ffff99adad7a0132 R8: 0000000000000ffe R9: 000000000003cfc4 R10: 00000000000001f9 R11: 000000000000ffe0 R12: ffffaf60c2af73d0 R13: 0000000000004000 R14: ffff99adabd50000 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 [ffffaf60c2af73c8] lzo_compress at ffffffff96386413 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/crypto/lzo.c: 73 #12 [ffffaf60c2af73e8] crypto_compress at ffffffff96362e97 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/crypto/compress.c: 24 #13 [ffffaf60c2af73f0] compress_chunk at ffffffffc0909f90 [obdclass] /home/green/git/lustre-release/lustre/obdclass/lustre_compr.c: 195 #14 [ffffaf60c2af7430] compress_request at ffffffffc11bd1cb [osc] /home/green/git/lustre-release/include/linux/libcfs/libcfs_debug.h: 111 #15 [ffffaf60c2af7528] osc_brw_prep_request at ffffffffc11b58cf [osc] /home/green/git/lustre-release/lustre/osc/osc_request.c: 1646 #16 [ffffaf60c2af7678] osc_build_rpc at ffffffffc11bac83 [osc] /home/green/git/lustre-release/lustre/osc/osc_request.c: 3084 #17 [ffffaf60c2af7750] osc_check_rpcs at ffffffffc11e4eeb [osc] /home/green/git/lustre-release/lustre/osc/osc_cache.c: 2205 #18 [ffffaf60c2af7818] __osc_io_unplug at ffffffffc11e51eb [osc] /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/./include/linux/spinlock.h: 390 #19 [ffffaf60c2af7838] osc_cache_writeback_range at ffffffffc11e8e37 [osc] /home/green/git/lustre-release/lustre/include/lustre_osc.h: 593 #20 [ffffaf60c2af7908] osc_io_fsync_start at ffffffffc11d2921 [osc] /home/green/git/lustre-release/lustre/osc/osc_io.c: 1095 #21 [ffffaf60c2af7950] cl_io_start at ffffffffc08ea095 [obdclass] /home/green/git/lustre-release/lustre/obdclass/cl_io.c: 539 #22 [ffffaf60c2af7980] lov_io_call at ffffffffc1263e01 [lov] /home/green/git/lustre-release/lustre/lov/lov_io.c: 1252 #23 [ffffaf60c2af79b0] lov_io_start at ffffffffc12665ab [lov] /home/green/git/lustre-release/include/linux/libcfs/libcfs_debug.h: 205 #24 [ffffaf60c2af79d0] cl_io_start at ffffffffc08ea095 [obdclass] /home/green/git/lustre-release/lustre/obdclass/cl_io.c: 539 #25 [ffffaf60c2af7a00] cl_io_loop at ffffffffc08f0762 [obdclass] /home/green/git/lustre-release/lustre/obdclass/cl_io.c: 852 #26 [ffffaf60c2af7a40] cl_sync_file_range at ffffffffc1af92bc [lustre] /home/green/git/lustre-release/lustre/llite/file.c: 5287 #27 [ffffaf60c2af7aa0] vvp_prune at ffffffffc1b772dc [lustre] /home/green/git/lustre-release/lustre/llite/vvp_object.c: 145 #28 [ffffaf60c2af7ac0] cl_object_prune at ffffffffc08de19f [obdclass] /home/green/git/lustre-release/lustre/obdclass/cl_object.c: 381 #29 [ffffaf60c2af7ae8] ll_layout_lock_set at ffffffffc1afea13 [lustre] /home/green/git/lustre-release/lustre/llite/file.c: 6946 #30 [ffffaf60c2af7b68] ll_layout_refresh at ffffffffc1afecff [lustre] /home/green/git/lustre-release/lustre/llite/file.c: 7056 #31 [ffffaf60c2af7bc8] vvp_io_init at ffffffffc1b76cae [lustre] /home/green/git/lustre-release/lustre/llite/vvp_io.c: 1907 #32 [ffffaf60c2af7c30] __cl_io_init at ffffffffc08ed652 [obdclass] /home/green/git/lustre-release/lustre/obdclass/cl_io.c: 140 #33 [ffffaf60c2af7c60] cl_io_init at ffffffffc08ed7cc [obdclass] /home/green/git/lustre-release/lustre/obdclass/cl_io.c: 192 #34 [ffffaf60c2af7c88] cl_io_rw_init at ffffffffc08ed972 [obdclass] /home/green/git/lustre-release/include/linux/libcfs/libcfs_debug.h: 205 #35 [ffffaf60c2af7cc0] ll_file_io_generic at ffffffffc1aee9ed [lustre] /home/green/git/lustre-release/lustre/llite/file.c: 2123 #36 [ffffaf60c2af7db0] do_file_write_iter at ffffffffc1af048c [lustre] /home/green/git/lustre-release/lustre/llite/file.c: 2675 #37 [ffffaf60c2af7e20] ll_file_write_iter at ffffffffc1af0b0d [lustre] /home/green/git/lustre-release/lustre/llite/file.c: 2706 #38 [ffffaf60c2af7e38] new_sync_write at ffffffff960cd470 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/fs/read_write.c: 475 #39 [ffffaf60c2af7ec0] __vfs_write at ffffffff960d1bc9 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/fs/read_write.c: 487 #40 [ffffaf60c2af7ec8] vfs_write at ffffffff960d1e78 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/fs/read_write.c: 549 #41 [ffffaf60c2af7ef8] ksys_write at ffffffff960d22b6 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/fs/read_write.c: 598 #42 [ffffaf60c2af7f30] __x64_sys_write at ffffffff960d23be /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/fs/read_write.c: 610 #43 [ffffaf60c2af7f38] do_syscall_64 at ffffffff95c04641 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/entry/common.c: 303 #44 [ffffaf60c2af7f50] entry_SYSCALL_64_after_hwframe at ffffffff96c000bd /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/entry/entry_64.S: 156 RIP: 00007fa458636688 RSP: 00007fffd53d8008 RFLAGS: 00000246 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa458636688 RDX: 0000000000010000 RSI: 0000555d30c42000 RDI: 0000000000000001 RBP: 0000000000010000 R8: 0000000000000003 R9: 0000555d30c4240e R10: 0000000000000000 R11: 0000000000000246 R12: 0000555d30c42000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000555d30c42000 ORIG_RAX: 0000000000000001 CS: 0033 SS: 002b