PID: 261891 TASK: ffff968682040000 CPU: 2 COMMAND: "dd" #0 [ffffaa2fc35eb038] machine_kexec at ffffffff856850a3 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/kernel/machine_kexec_64.c: 417 #1 [ffffaa2fc35eb090] __crash_kexec at ffffffff8583e5ba /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/kernel/kexec_core.c: 955 #2 [ffffaa2fc35eb150] crash_kexec at ffffffff8583fc05 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/./include/linux/compiler.h: 356 #3 [ffffaa2fc35eb168] oops_end at ffffffff85637cb5 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/kernel/dumpstack.c: 339 #4 [ffffaa2fc35eb188] no_context.cold.27 at ffffffff856a1a56 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 796 #5 [ffffaa2fc35eb1e0] __bad_area_nosemaphore at ffffffff856a0356 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 870 #6 [ffffaa2fc35eb228] bad_area_nosemaphore at ffffffff856a06fa /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 877 #7 [ffffaa2fc35eb230] do_kern_addr_fault at ffffffff856a0783 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1268 #8 [ffffaa2fc35eb250] __do_page_fault at ffffffff856a15de /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1495 #9 [ffffaa2fc35eb270] do_page_fault at ffffffff856a1677 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1547 #10 [ffffaa2fc35eb2a0] page_fault at ffffffff86600f8e /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: ffffffff85e31c41 RSP: ffffaa2fc35eb358 RFLAGS: 00010282 RAX: ffff968676780002 RBX: ffff968675810000 RCX: ffff96867580fee0 RDX: ffff968675800010 RSI: 000000000003cfb2 RDI: 7ffcb892fd59e7f4 RBP: ffff968676770132 R8: 0000000000000ffe R9: 000000000003cfc4 R10: 00000000000001f9 R11: 000000000000ffe0 R12: ffffaa2fc35eb3b8 R13: 0000000000004000 R14: ffff968675810000 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 [ffffaa2fc35eb3b0] lzo_compress at ffffffff85d86413 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/crypto/lzo.c: 73 #12 [ffffaa2fc35eb3d0] crypto_compress at ffffffff85d62e97 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/crypto/compress.c: 24 #13 [ffffaa2fc35eb3d8] compress_chunk at ffffffffc09e4ac0 [obdclass] /home/green/git/lustre-release/lustre/obdclass/lustre_compr.c: 195 #14 [ffffaa2fc35eb418] compress_request at ffffffffc129b31b [osc] /home/green/git/lustre-release/include/linux/libcfs/libcfs_debug.h: 111 #15 [ffffaa2fc35eb510] osc_brw_prep_request at ffffffffc129442d [osc] /home/green/git/lustre-release/lustre/osc/osc_request.c: 1663 #16 [ffffaa2fc35eb678] osc_build_rpc at ffffffffc1298dd3 [osc] /home/green/git/lustre-release/lustre/osc/osc_request.c: 3103 #17 [ffffaa2fc35eb750] osc_check_rpcs at ffffffffc12c307b [osc] /home/green/git/lustre-release/lustre/osc/osc_cache.c: 2203 #18 [ffffaa2fc35eb818] __osc_io_unplug at ffffffffc12c337b [osc] /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/./include/linux/spinlock.h: 390 #19 [ffffaa2fc35eb838] osc_cache_writeback_range at ffffffffc12c6fb4 [osc] /home/green/git/lustre-release/lustre/include/lustre_osc.h: 593 #20 [ffffaa2fc35eb908] osc_io_fsync_start at ffffffffc12b0ba1 [osc] /home/green/git/lustre-release/lustre/osc/osc_io.c: 1120 #21 [ffffaa2fc35eb950] cl_io_start at ffffffffc09c4ad5 [obdclass] /home/green/git/lustre-release/lustre/obdclass/cl_io.c: 539 #22 [ffffaa2fc35eb980] lov_io_call at ffffffffc1341ed1 [lov] /home/green/git/lustre-release/lustre/lov/lov_io.c: 1483 #23 [ffffaa2fc35eb9b0] lov_io_start at ffffffffc134504b [lov] /home/green/git/lustre-release/include/linux/libcfs/libcfs_debug.h: 205 #24 [ffffaa2fc35eb9d0] cl_io_start at ffffffffc09c4ad5 [obdclass] /home/green/git/lustre-release/lustre/obdclass/cl_io.c: 539 #25 [ffffaa2fc35eba00] cl_io_loop at ffffffffc09cb1a2 [obdclass] /home/green/git/lustre-release/lustre/obdclass/cl_io.c: 852 #26 [ffffaa2fc35eba40] cl_sync_file_range at ffffffffc1b9e416 [lustre] /home/green/git/lustre-release/lustre/llite/file.c: 5340 #27 [ffffaa2fc35ebaa0] vvp_prune at ffffffffc1c1f09c [lustre] /home/green/git/lustre-release/lustre/llite/vvp_object.c: 145 #28 [ffffaa2fc35ebac0] cl_object_prune at ffffffffc09b8baf [obdclass] /home/green/git/lustre-release/lustre/obdclass/cl_object.c: 373 #29 [ffffaa2fc35ebae8] ll_layout_lock_set at ffffffffc1ba5513 [lustre] /home/green/git/lustre-release/lustre/llite/file.c: 7030 #30 [ffffaa2fc35ebb68] ll_layout_refresh at ffffffffc1ba57ff [lustre] /home/green/git/lustre-release/lustre/llite/file.c: 7140 #31 [ffffaa2fc35ebbc8] vvp_io_init at ffffffffc1c1ea6e [lustre] /home/green/git/lustre-release/lustre/llite/vvp_io.c: 1941 #32 [ffffaa2fc35ebc30] __cl_io_init at ffffffffc09c8092 [obdclass] /home/green/git/lustre-release/lustre/obdclass/cl_io.c: 140 #33 [ffffaa2fc35ebc60] cl_io_init at ffffffffc09c820c [obdclass] /home/green/git/lustre-release/lustre/obdclass/cl_io.c: 192 #34 [ffffaa2fc35ebc88] cl_io_rw_init at ffffffffc09c83b2 [obdclass] /home/green/git/lustre-release/include/linux/libcfs/libcfs_debug.h: 205 #35 [ffffaa2fc35ebcc0] ll_file_io_generic at ffffffffc1b939ba [lustre] /home/green/git/lustre-release/lustre/llite/file.c: 2153 #36 [ffffaa2fc35ebdb0] do_file_write_iter at ffffffffc1b953a2 [lustre] /home/green/git/lustre-release/lustre/llite/file.c: 2713 #37 [ffffaa2fc35ebe20] ll_file_write_iter at ffffffffc1b95c5d [lustre] /home/green/git/lustre-release/lustre/llite/file.c: 2744 #38 [ffffaa2fc35ebe38] new_sync_write at ffffffff85acd470 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/fs/read_write.c: 475 #39 [ffffaa2fc35ebec0] __vfs_write at ffffffff85ad1bc9 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/fs/read_write.c: 487 #40 [ffffaa2fc35ebec8] vfs_write at ffffffff85ad1e78 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/fs/read_write.c: 549 #41 [ffffaa2fc35ebef8] ksys_write at ffffffff85ad22b6 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/fs/read_write.c: 598 #42 [ffffaa2fc35ebf30] __x64_sys_write at ffffffff85ad23be /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/fs/read_write.c: 610 #43 [ffffaa2fc35ebf38] do_syscall_64 at ffffffff85604641 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/entry/common.c: 303 #44 [ffffaa2fc35ebf50] entry_SYSCALL_64_after_hwframe at ffffffff866000bd /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/entry/entry_64.S: 156 RIP: 00007ffbea3ad688 RSP: 00007ffd440128a8 RFLAGS: 00000246 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ffbea3ad688 RDX: 0000000000010000 RSI: 0000565444117000 RDI: 0000000000000001 RBP: 0000000000010000 R8: 0000000000000003 R9: 000056544411740e R10: 0000000000000000 R11: 0000000000000246 R12: 0000565444117000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000565444117000 ORIG_RAX: 0000000000000001 CS: 0033 SS: 002b