PID: 264560 TASK: ffff8e71915f27c0 CPU: 2 COMMAND: "dd" #0 [ffff9b5ec75df018] machine_kexec at ffffffff898850a3 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/kernel/machine_kexec_64.c: 417 #1 [ffff9b5ec75df070] __crash_kexec at ffffffff89a3e5ba /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/kernel/kexec_core.c: 955 #2 [ffff9b5ec75df130] crash_kexec at ffffffff89a3fc05 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/./include/linux/compiler.h: 356 #3 [ffff9b5ec75df148] oops_end at ffffffff89837cb5 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/kernel/dumpstack.c: 339 #4 [ffff9b5ec75df168] no_context.cold.27 at ffffffff898a1a56 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 796 #5 [ffff9b5ec75df1c0] __bad_area_nosemaphore at ffffffff898a0356 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 870 #6 [ffff9b5ec75df208] bad_area_nosemaphore at ffffffff898a06fa /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 877 #7 [ffff9b5ec75df210] do_kern_addr_fault at ffffffff898a0783 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1268 #8 [ffff9b5ec75df230] __do_page_fault at ffffffff898a15de /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1495 #9 [ffff9b5ec75df250] do_page_fault at ffffffff898a1677 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1547 #10 [ffff9b5ec75df280] page_fault at ffffffff8a800f8e /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: ffffffff8a031c41 RSP: ffff9b5ec75df330 RFLAGS: 00010282 RAX: ffff8e71b9360002 RBX: ffff9b5ec7bb5000 RCX: ffff9b5ec7bb4ee0 RDX: ffff9b5ec7ba5010 RSI: 0000000000000fee RDI: 58931e365f7f0b1a RBP: ffff8e71b9350132 R8: 0000000000000ffe R9: 0000000000001000 R10: 00000000000001f9 R11: 000000000000ffe0 R12: ffff9b5ec75df390 R13: 0000000000004000 R14: ffff9b5ec7bb5000 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 [ffff9b5ec75df388] lzo_compress at ffffffff89f86413 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/crypto/lzo.c: 73 #12 [ffff9b5ec75df3a8] crypto_compress at ffffffff89f62e97 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/crypto/compress.c: 24 #13 [ffff9b5ec75df3b0] compress_chunk at ffffffffc0a22650 [obdclass] /home/green/git/lustre-release/lustre/obdclass/lustre_compr.c: 345 #14 [ffff9b5ec75df3f0] compress_request at ffffffffc1315254 [osc] /home/green/git/lustre-release/lustre/osc/osc_compress.c: 430 #15 [ffff9b5ec75df550] osc_brw_prep_request at ffffffffc130d5a8 [osc] /home/green/git/lustre-release/lustre/osc/osc_request.c: 1678 #16 [ffff9b5ec75df6b0] osc_build_rpc at ffffffffc1311f93 [osc] /home/green/git/lustre-release/lustre/osc/osc_request.c: 3118 #17 [ffff9b5ec75df788] osc_check_rpcs at ffffffffc1341379 [osc] /home/green/git/lustre-release/lustre/osc/osc_cache.c: 2335 #18 [ffff9b5ec75df808] __osc_io_unplug at ffffffffc134166b [osc] /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/./include/linux/spinlock.h: 390 #19 [ffff9b5ec75df828] osc_cache_writeback_range at ffffffffc134564d [osc] /home/green/git/lustre-release/lustre/include/lustre_osc.h: 637 #20 [ffff9b5ec75df908] osc_io_fsync_start at ffffffffc132cd11 [osc] /home/green/git/lustre-release/lustre/osc/osc_io.c: 1149 #21 [ffff9b5ec75df950] cl_io_start at ffffffffc0a01e65 [obdclass] /home/green/git/lustre-release/lustre/obdclass/cl_io.c: 539 #22 [ffff9b5ec75df980] lov_io_call at ffffffffc13c8f81 [lov] /home/green/git/lustre-release/lustre/lov/lov_io.c: 1519 #23 [ffff9b5ec75df9b0] lov_io_start at ffffffffc13cc09b [lov] /home/green/git/lustre-release/include/linux/libcfs/libcfs_debug.h: 205 #24 [ffff9b5ec75df9d0] cl_io_start at ffffffffc0a01e65 [obdclass] /home/green/git/lustre-release/lustre/obdclass/cl_io.c: 539 #25 [ffff9b5ec75dfa00] cl_io_loop at ffffffffc0a08532 [obdclass] /home/green/git/lustre-release/lustre/obdclass/cl_io.c: 852 #26 [ffff9b5ec75dfa40] cl_sync_file_range at ffffffffc1c3dd66 [lustre] /home/green/git/lustre-release/lustre/llite/file.c: 5340 #27 [ffff9b5ec75dfaa0] vvp_prune at ffffffffc1cbffcc [lustre] /home/green/git/lustre-release/lustre/llite/vvp_object.c: 151 #28 [ffff9b5ec75dfac0] cl_object_prune at ffffffffc09f5f3f [obdclass] /home/green/git/lustre-release/lustre/obdclass/cl_object.c: 373 #29 [ffff9b5ec75dfae8] ll_layout_lock_set at ffffffffc1c44e53 [lustre] /home/green/git/lustre-release/lustre/llite/file.c: 7030 #30 [ffff9b5ec75dfb68] ll_layout_refresh at ffffffffc1c457ff [lustre] /home/green/git/lustre-release/lustre/llite/file.c: 7141 #31 [ffff9b5ec75dfbc8] vvp_io_init at ffffffffc1cbf99e [lustre] /home/green/git/lustre-release/lustre/llite/vvp_io.c: 2044 #32 [ffff9b5ec75dfc30] __cl_io_init at ffffffffc0a05422 [obdclass] /home/green/git/lustre-release/lustre/obdclass/cl_io.c: 140 #33 [ffff9b5ec75dfc60] cl_io_init at ffffffffc0a0559c [obdclass] /home/green/git/lustre-release/lustre/obdclass/cl_io.c: 192 #34 [ffff9b5ec75dfc88] cl_io_rw_init at ffffffffc0a05742 [obdclass] /home/green/git/lustre-release/include/linux/libcfs/libcfs_debug.h: 205 #35 [ffff9b5ec75dfcc0] ll_file_io_generic at ffffffffc1c3330a [lustre] /home/green/git/lustre-release/lustre/llite/file.c: 2153 #36 [ffff9b5ec75dfdb0] do_file_write_iter at ffffffffc1c34cf2 [lustre] /home/green/git/lustre-release/lustre/llite/file.c: 2713 #37 [ffff9b5ec75dfe20] ll_file_write_iter at ffffffffc1c355ad [lustre] /home/green/git/lustre-release/lustre/llite/file.c: 2744 #38 [ffff9b5ec75dfe38] new_sync_write at ffffffff89ccd470 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/fs/read_write.c: 475 #39 [ffff9b5ec75dfec0] __vfs_write at ffffffff89cd1bc9 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/fs/read_write.c: 487 #40 [ffff9b5ec75dfec8] vfs_write at ffffffff89cd1e78 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/fs/read_write.c: 549 #41 [ffff9b5ec75dfef8] ksys_write at ffffffff89cd22b6 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/fs/read_write.c: 598 #42 [ffff9b5ec75dff30] __x64_sys_write at ffffffff89cd23be /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/fs/read_write.c: 610 #43 [ffff9b5ec75dff38] do_syscall_64 at ffffffff89804641 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/entry/common.c: 303 #44 [ffff9b5ec75dff50] entry_SYSCALL_64_after_hwframe at ffffffff8a8000bd /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/entry/entry_64.S: 156 RIP: 00007f1e9d0f2688 RSP: 00007ffdbd409fb8 RFLAGS: 00000246 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f1e9d0f2688 RDX: 0000000000010000 RSI: 000056516ea3f000 RDI: 0000000000000001 RBP: 0000000000010000 R8: 0000000000000003 R9: 000056516ea3f40e R10: 0000000000000000 R11: 0000000000000246 R12: 000056516ea3f000 R13: 0000000000000000 R14: 0000000000000000 R15: 000056516ea3f000 ORIG_RAX: 0000000000000001 CS: 0033 SS: 002b