PID: 249061 TASK: ffff897b827ea7c0 CPU: 1 COMMAND: "kworker/u8:0" #0 [ffffa35ac1d7b0f8] machine_kexec at ffffffffa94850a3 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/kernel/machine_kexec_64.c: 417 #1 [ffffa35ac1d7b150] __crash_kexec at ffffffffa963e5ba /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/kernel/kexec_core.c: 955 #2 [ffffa35ac1d7b210] crash_kexec at ffffffffa963fc05 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/./include/linux/compiler.h: 356 #3 [ffffa35ac1d7b228] oops_end at ffffffffa9437cb5 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/kernel/dumpstack.c: 339 #4 [ffffa35ac1d7b248] no_context.cold.27 at ffffffffa94a1a56 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 796 #5 [ffffa35ac1d7b2a0] __bad_area_nosemaphore at ffffffffa94a0356 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 870 #6 [ffffa35ac1d7b2e8] bad_area_nosemaphore at ffffffffa94a06fa /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 877 #7 [ffffa35ac1d7b2f0] do_kern_addr_fault at ffffffffa94a0783 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1268 #8 [ffffa35ac1d7b310] __do_page_fault at ffffffffa94a15de /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1495 #9 [ffffa35ac1d7b330] do_page_fault at ffffffffa94a1677 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1547 #10 [ffffa35ac1d7b360] page_fault at ffffffffaa400f8e /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: ffffffffa9c31c41 RSP: ffffa35ac1d7b418 RFLAGS: 00010282 RAX: ffff897badec0002 RBX: ffffa35ac7f36000 RCX: ffffa35ac7f35ee0 RDX: ffffa35ac7f26010 RSI: 0000000000008fe6 RDI: 93184595bb6f78c8 RBP: ffff897badeb0132 R8: 0000000000000ffe R9: 0000000000008ff8 R10: 00000000000001f9 R11: 000000000000ffe0 R12: ffffa35ac1d7b478 R13: 0000000000004000 R14: ffffa35ac7f36000 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 [ffffa35ac1d7b470] lzo_compress at ffffffffa9b86413 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/crypto/lzo.c: 73 #12 [ffffa35ac1d7b490] crypto_compress at ffffffffa9b62e97 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/crypto/compress.c: 24 #13 [ffffa35ac1d7b498] compress_chunk at ffffffffc075e650 [obdclass] /home/green/git/lustre-release/lustre/obdclass/lustre_compr.c: 412 #14 [ffffa35ac1d7b4d8] compress_request at ffffffffc1051254 [osc] /home/green/git/lustre-release/lustre/osc/osc_compress.c: 434 #15 [ffffa35ac1d7b638] osc_brw_prep_request at ffffffffc10495a8 [osc] /home/green/git/lustre-release/lustre/osc/osc_request.c: 1678 #16 [ffffa35ac1d7b798] osc_build_rpc at ffffffffc104df93 [osc] /home/green/git/lustre-release/lustre/osc/osc_request.c: 3118 #17 [ffffa35ac1d7b870] osc_check_rpcs at ffffffffc107d4f9 [osc] /home/green/git/lustre-release/lustre/osc/osc_cache.c: 2358 #18 [ffffa35ac1d7b8f0] __osc_io_unplug at ffffffffc107d7eb [osc] /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/./include/linux/spinlock.h: 390 #19 [ffffa35ac1d7b910] osc_cache_writeback_range at ffffffffc10817cd [osc] /home/green/git/lustre-release/lustre/include/lustre_osc.h: 637 #20 [ffffa35ac1d7b9f0] osc_io_fsync_start at ffffffffc1068d11 [osc] /home/green/git/lustre-release/lustre/osc/osc_io.c: 1149 #21 [ffffa35ac1d7ba38] cl_io_start at ffffffffc073de65 [obdclass] /home/green/git/lustre-release/lustre/obdclass/cl_io.c: 539 #22 [ffffa35ac1d7ba68] lov_io_call at ffffffffc1104f81 [lov] /home/green/git/lustre-release/lustre/lov/lov_io.c: 1519 #23 [ffffa35ac1d7ba98] lov_io_start at ffffffffc110809b [lov] /home/green/git/lustre-release/include/linux/libcfs/libcfs_debug.h: 205 #24 [ffffa35ac1d7bab8] cl_io_start at ffffffffc073de65 [obdclass] /home/green/git/lustre-release/lustre/obdclass/cl_io.c: 539 #25 [ffffa35ac1d7bae8] cl_io_loop at ffffffffc0744532 [obdclass] /home/green/git/lustre-release/lustre/obdclass/cl_io.c: 852 #26 [ffffa35ac1d7bb28] cl_sync_file_range at ffffffffc1979d66 [lustre] /home/green/git/lustre-release/lustre/llite/file.c: 5340 #27 [ffffa35ac1d7bb88] ll_writepages at ffffffffc19b3c7c [lustre] /home/green/git/lustre-release/lustre/llite/rw.c: 1565 #28 [ffffa35ac1d7bbd0] do_writepages at ffffffffa97a0a4a /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/mm/page-writeback.c: 2404 #29 [ffffa35ac1d7bc08] __writeback_single_inode at ffffffffa99243c5 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/fs/fs-writeback.c: 1624 #30 [ffffa35ac1d7bc48] writeback_sb_inodes at ffffffffa9926010 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/fs/fs-writeback.c: 1894 #31 [ffffa35ac1d7bd28] wb_writeback at ffffffffa99267ab /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/fs/fs-writeback.c: 2068 #32 [ffffa35ac1d7bdb8] wb_workfn at ffffffffa9928736 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/fs/fs-writeback.c: 2212 #33 [ffffa35ac1d7be88] process_one_work at ffffffffa954b8e8 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/kernel/workqueue.c: 2384 #34 [ffffa35ac1d7bed0] worker_thread at ffffffffa954c526 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/./include/linux/compiler.h: 339 #35 [ffffa35ac1d7bf10] kthread at ffffffffa9557041 /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/kernel/kthread.c: 364 #36 [ffffa35ac1d7bf50] ret_from_fork at ffffffffaa4001ff /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/entry/entry_64.S: 330