PID: 4280 TASK: ffff88012b2ad550 CPU: 0 COMMAND: "mmap_cat" #0 [ffff8800a2ad71d0] machine_kexec at ffffffff810613ae /home/green/bk/linux-3.10.0-1160.59.1.el7-debug/arch/x86/kernel/machine_kexec_64.c: 343 #1 [ffff8800a2ad7230] __crash_kexec at ffffffff811160a2 /home/green/bk/linux-3.10.0-1160.59.1.el7-debug/kernel/kexec_core.c: 897 #2 [ffff8800a2ad7300] crash_kexec at ffffffff81116190 /home/green/bk/linux-3.10.0-1160.59.1.el7-debug/./arch/x86/include/asm/atomic.h: 37 #3 [ffff8800a2ad7318] oops_end at ffffffff817eb798 /home/green/bk/linux-3.10.0-1160.59.1.el7-debug/arch/x86/kernel/dumpstack.c: 201 #4 [ffff8800a2ad7340] no_context at ffffffff810708c4 /home/green/bk/linux-3.10.0-1160.59.1.el7-debug/arch/x86/mm/fault.c: 770 #5 [ffff8800a2ad7390] __bad_area_nosemaphore at ffffffff81070b92 /home/green/bk/linux-3.10.0-1160.59.1.el7-debug/arch/x86/mm/fault.c: 852 #6 [ffff8800a2ad73e0] bad_area at ffffffff817d7cba /home/green/bk/linux-3.10.0-1160.59.1.el7-debug/arch/x86/mm/fault.c: 880 #7 [ffff8800a2ad7408] __do_page_fault at ffffffff817ee924 /home/green/bk/linux-3.10.0-1160.59.1.el7-debug/arch/x86/mm/fault.c: 1296 #8 [ffff8800a2ad7470] trace_do_page_fault at ffffffff817eea76 /home/green/bk/linux-3.10.0-1160.59.1.el7-debug/arch/x86/mm/fault.c: 1396 #9 [ffff8800a2ad74b0] do_async_page_fault at ffffffff817edfe2 /home/green/bk/linux-3.10.0-1160.59.1.el7-debug/arch/x86/kernel/kvm.c: 289 #10 [ffff8800a2ad74d0] async_page_fault at ffffffff817ea7a8 /home/green/bk/linux-3.10.0-1160.59.1.el7-debug/arch/x86/kernel/entry_64.S: 1432 [exception RIP: block_read_full_page+256] RIP: ffffffff81280a00 RSP: ffff8800a2ad7580 RFLAGS: 00010213 RAX: 0000000000000001 RBX: 0000000000002a97 RCX: 000000000000001f RDX: 0000000000000001 RSI: ffff88012b2ad550 RDI: ffffea00048a1b40 RBP: ffff8800a2ad7658 R8: ffff8800a2ad7760 R9: ffff88012b6750d8 R10: ffffea00048a1b40 R11: 0000000000000000 R12: 0552e00000000001 R13: 000000004a25b190 R14: 00000000a512d8c8 R15: 00000000a512d8c8 ORIG_RAX: ffffffffffffffff CS: 0010 SS: 0018 /home/green/bk/linux-3.10.0-1160.59.1.el7-debug/./arch/x86/include/asm/bitops.h: 319 #11 [ffff8800a2ad7660] do_mpage_readpage at ffffffff8128d15f /home/green/bk/linux-3.10.0-1160.59.1.el7-debug/fs/mpage.c: 311 #12 [ffff8800a2ad7738] mpage_readpage at ffffffff8128d6b2 /home/green/bk/linux-3.10.0-1160.59.1.el7-debug/fs/mpage.c: 406 #13 [ffff8800a2ad77d8] ext4_readpage at ffffffffa0097855 [ext4] #14 [ffff8800a2ad7800] filemap_fault at ffffffff811b7e05 /home/green/bk/linux-3.10.0-1160.59.1.el7-debug/mm/filemap.c: 2488 #15 [ffff8800a2ad7870] ll_filemap_fault at ffffffffa10ca9c9 [lustre] /home/green/git/lustre-release/lustre/llite/llite_mmap.c: 260 #16 [ffff8800a2ad78a0] ll_fault at ffffffffa10cabd4 [lustre] /home/green/git/lustre-release/lustre/llite/llite_mmap.c: 307 #17 [ffff8800a2ad7968] __do_fault at ffffffff811e5ca4 /home/green/bk/linux-3.10.0-1160.59.1.el7-debug/mm/memory.c: 3055 #18 [ffff8800a2ad79e8] do_read_fault at ffffffff811e61c0 /home/green/bk/linux-3.10.0-1160.59.1.el7-debug/mm/memory.c: 3150 #19 [ffff8800a2ad7a48] handle_pte_fault at ffffffff811ea63f /home/green/bk/linux-3.10.0-1160.59.1.el7-debug/mm/memory.c: 3325 #20 [ffff8800a2ad7ad8] __handle_mm_fault at ffffffff811ed3dd /home/green/bk/linux-3.10.0-1160.59.1.el7-debug/mm/memory.c: 3664 #21 [ffff8800a2ad7b78] handle_mm_fault at ffffffff811ed85f /home/green/bk/linux-3.10.0-1160.59.1.el7-debug/mm/memory.c: 3687 #22 [ffff8800a2ad7ba8] __do_page_fault at ffffffff817ee630 /home/green/bk/linux-3.10.0-1160.59.1.el7-debug/arch/x86/mm/fault.c: 1315 #23 [ffff8800a2ad7c10] trace_do_page_fault at ffffffff817eea76 /home/green/bk/linux-3.10.0-1160.59.1.el7-debug/arch/x86/mm/fault.c: 1396 #24 [ffff8800a2ad7c50] do_async_page_fault at ffffffff817edfe2 /home/green/bk/linux-3.10.0-1160.59.1.el7-debug/arch/x86/kernel/kvm.c: 289 #25 [ffff8800a2ad7c70] async_page_fault at ffffffff817ea7a8 /home/green/bk/linux-3.10.0-1160.59.1.el7-debug/arch/x86/kernel/entry_64.S: 1432 [exception RIP: copy_user_enhanced_fast_string+9] RIP: ffffffff81402e89 RSP: ffff8800a2ad7d20 RFLAGS: 00010206 RAX: ffff8800a2ad4000 RBX: ffff8800a2ad7df8 RCX: 0000000000001000 RDX: 0000000000001000 RSI: 00007f2094a44000 RDI: ffff88012d55d000 RBP: ffff8800a2ad7d60 R8: ffff8800a2ad8000 R9: 000000000000000e R10: ffff88012b91f518 R11: 0000000000001000 R12: 0000000000001000 R13: ffff8800a2ad7dac R14: ffff88012d55d000 R15: ffff8800a2ad7db0 ORIG_RAX: ffffffffffffffff CS: 0010 SS: 0018 /home/green/bk/linux-3.10.0-1160.59.1.el7-debug/arch/x86/lib/copy_user_64.S: 285 #26 [ffff8800a2ad7d20] pipe_iov_copy_from_user.constprop.10 at ffffffff8124dff8 /home/green/bk/linux-3.10.0-1160.59.1.el7-debug/fs/pipe.c: 141 #27 [ffff8800a2ad7d68] pipe_write at ffffffff8124e499 /home/green/bk/linux-3.10.0-1160.59.1.el7-debug/fs/pipe.c: 630 #28 [ffff8800a2ad7df0] do_sync_write at ffffffff81243f2d /home/green/bk/linux-3.10.0-1160.59.1.el7-debug/fs/read_write.c: 492 #29 [ffff8800a2ad7ec8] vfs_write at ffffffff81244a76 /home/green/bk/linux-3.10.0-1160.59.1.el7-debug/fs/read_write.c: 543 #30 [ffff8800a2ad7f08] sys_write at ffffffff812458bf /home/green/bk/linux-3.10.0-1160.59.1.el7-debug/fs/read_write.c: 593 #31 [ffff8800a2ad7f50] system_call_fastpath at ffffffff817f400c /home/green/bk/linux-3.10.0-1160.59.1.el7-debug/arch/x86/kernel/entry_64.S: 511 RIP: 00007f20954a0ba0 RSP: 00007ffdad2a5dc8 RFLAGS: 00010202 RAX: 0000000000000001 RBX: 0000000000000003 RCX: 0000000000008002 RDX: 0000000003200000 RSI: 00007f2091fad000 RDI: 0000000000000001 RBP: 0000000003200000 R8: 0000000000000003 R9: 0000000000000000 R10: 00007ffdad2a5820 R11: 0000000000000246 R12: 00007f2091fad000 R13: 00007ffdad2a5f50 R14: 0000000000000000 R15: 0000000000000000 ORIG_RAX: 0000000000000001 CS: 0033 SS: 002b