PID: 261771 TASK: ffffa01fc13327c0 CPU: 1 COMMAND: "dd" #0 [ffffb29c0353f058] machine_kexec at ffffffffa0e850a3 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/kernel/machine_kexec_64.c: 417 #1 [ffffb29c0353f0b0] __crash_kexec at ffffffffa103e5ba /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/kernel/kexec_core.c: 955 #2 [ffffb29c0353f170] crash_kexec at ffffffffa103fc05 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/./include/linux/compiler.h: 356 #3 [ffffb29c0353f188] oops_end at ffffffffa0e37cb5 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/kernel/dumpstack.c: 339 #4 [ffffb29c0353f1a8] no_context.cold.27 at ffffffffa0ea1a56 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 796 #5 [ffffb29c0353f200] __bad_area_nosemaphore at ffffffffa0ea0356 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 870 #6 [ffffb29c0353f248] bad_area_nosemaphore at ffffffffa0ea06fa /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 877 #7 [ffffb29c0353f250] do_kern_addr_fault at ffffffffa0ea0783 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1268 #8 [ffffb29c0353f270] __do_page_fault at ffffffffa0ea15de /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1495 #9 [ffffb29c0353f290] do_page_fault at ffffffffa0ea1677 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1547 #10 [ffffb29c0353f2c0] page_fault at ffffffffa1e00f8e /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: ffffffffa1631c41 RSP: ffffb29c0353f370 RFLAGS: 00010282 RAX: ffffa01fc7fa0002 RBX: ffffa01ff4360000 RCX: ffffa01ff435fee0 RDX: ffffa01ff4350010 RSI: 0000000000000fee RDI: 4a876cc7b8083a19 RBP: ffffa01fc7f90132 R8: 0000000000000ffe R9: 0000000000001000 R10: 00000000000001f9 R11: 000000000000ffe0 R12: ffffb29c0353f3d0 R13: 0000000000004000 R14: ffffa01ff4360000 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 [ffffb29c0353f3c8] lzo_compress at ffffffffa1586413 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/crypto/lzo.c: 73 #12 [ffffb29c0353f3e8] crypto_compress at ffffffffa1562e97 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/crypto/compress.c: 24 #13 [ffffb29c0353f3f0] compress_chunk at ffffffffc0831ac0 [obdclass] /home/green/git/lustre-release/lustre/obdclass/lustre_compr.c: 195 #14 [ffffb29c0353f430] compress_request at ffffffffc111d18b [osc] /home/green/git/lustre-release/include/linux/libcfs/libcfs_debug.h: 111 #15 [ffffb29c0353f528] osc_brw_prep_request at ffffffffc111588f [osc] /home/green/git/lustre-release/lustre/osc/osc_request.c: 1646 #16 [ffffb29c0353f678] osc_build_rpc at ffffffffc111ac43 [osc] /home/green/git/lustre-release/lustre/osc/osc_request.c: 3085 #17 [ffffb29c0353f750] osc_check_rpcs at ffffffffc1144e4b [osc] /home/green/git/lustre-release/lustre/osc/osc_cache.c: 2203 #18 [ffffb29c0353f818] __osc_io_unplug at ffffffffc114514b [osc] /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/./include/linux/spinlock.h: 390 #19 [ffffb29c0353f838] osc_cache_writeback_range at ffffffffc1148d84 [osc] /home/green/git/lustre-release/lustre/include/lustre_osc.h: 593 #20 [ffffb29c0353f908] osc_io_fsync_start at ffffffffc1132981 [osc] /home/green/git/lustre-release/lustre/osc/osc_io.c: 1119 #21 [ffffb29c0353f950] cl_io_start at ffffffffc0811ad5 [obdclass] /home/green/git/lustre-release/lustre/obdclass/cl_io.c: 539 #22 [ffffb29c0353f980] lov_io_call at ffffffffc11c3ed1 [lov] /home/green/git/lustre-release/lustre/lov/lov_io.c: 1479 #23 [ffffb29c0353f9b0] lov_io_start at ffffffffc11c6fdb [lov] /home/green/git/lustre-release/include/linux/libcfs/libcfs_debug.h: 205 #24 [ffffb29c0353f9d0] cl_io_start at ffffffffc0811ad5 [obdclass] /home/green/git/lustre-release/lustre/obdclass/cl_io.c: 539 #25 [ffffb29c0353fa00] cl_io_loop at ffffffffc08181a2 [obdclass] /home/green/git/lustre-release/lustre/obdclass/cl_io.c: 852 #26 [ffffb29c0353fa40] cl_sync_file_range at ffffffffc1a1f416 [lustre] /home/green/git/lustre-release/lustre/llite/file.c: 5332 #27 [ffffb29c0353faa0] vvp_prune at ffffffffc1a9ffbc [lustre] /home/green/git/lustre-release/lustre/llite/vvp_object.c: 145 #28 [ffffb29c0353fac0] cl_object_prune at ffffffffc0805baf [obdclass] /home/green/git/lustre-release/lustre/obdclass/cl_object.c: 373 #29 [ffffb29c0353fae8] ll_layout_lock_set at ffffffffc1a26433 [lustre] /home/green/git/lustre-release/lustre/llite/file.c: 7022 #30 [ffffb29c0353fb68] ll_layout_refresh at ffffffffc1a2671f [lustre] /home/green/git/lustre-release/lustre/llite/file.c: 7132 #31 [ffffb29c0353fbc8] vvp_io_init at ffffffffc1a9f98e [lustre] /home/green/git/lustre-release/lustre/llite/vvp_io.c: 1941 #32 [ffffb29c0353fc30] __cl_io_init at ffffffffc0815092 [obdclass] /home/green/git/lustre-release/lustre/obdclass/cl_io.c: 140 #33 [ffffb29c0353fc60] cl_io_init at ffffffffc081520c [obdclass] /home/green/git/lustre-release/lustre/obdclass/cl_io.c: 192 #34 [ffffb29c0353fc88] cl_io_rw_init at ffffffffc08153b2 [obdclass] /home/green/git/lustre-release/include/linux/libcfs/libcfs_debug.h: 205 #35 [ffffb29c0353fcc0] ll_file_io_generic at ffffffffc1a149ba [lustre] /home/green/git/lustre-release/lustre/llite/file.c: 2153 #36 [ffffb29c0353fdb0] do_file_write_iter at ffffffffc1a163a2 [lustre] /home/green/git/lustre-release/lustre/llite/file.c: 2713 #37 [ffffb29c0353fe20] ll_file_write_iter at ffffffffc1a16c5d [lustre] /home/green/git/lustre-release/lustre/llite/file.c: 2744 #38 [ffffb29c0353fe38] new_sync_write at ffffffffa12cd470 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/fs/read_write.c: 475 #39 [ffffb29c0353fec0] __vfs_write at ffffffffa12d1bc9 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/fs/read_write.c: 487 #40 [ffffb29c0353fec8] vfs_write at ffffffffa12d1e78 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/fs/read_write.c: 549 #41 [ffffb29c0353fef8] ksys_write at ffffffffa12d22b6 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/fs/read_write.c: 598 #42 [ffffb29c0353ff30] __x64_sys_write at ffffffffa12d23be /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/fs/read_write.c: 610 #43 [ffffb29c0353ff38] do_syscall_64 at ffffffffa0e04641 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/entry/common.c: 303 #44 [ffffb29c0353ff50] entry_SYSCALL_64_after_hwframe at ffffffffa1e000bd /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/entry/entry_64.S: 156 RIP: 00007f9090627688 RSP: 00007fff4e6aa368 RFLAGS: 00000246 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f9090627688 RDX: 0000000000010000 RSI: 0000557539939000 RDI: 0000000000000001 RBP: 0000000000010000 R8: 0000000000000003 R9: 000055753993940e R10: 0000000000000000 R11: 0000000000000246 R12: 0000557539939000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000557539939000 ORIG_RAX: 0000000000000001 CS: 0033 SS: 002b