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   | [@bjsjs_42_92 ~]# crash /usr/lib/debug/lib/modules/3.10.0-327.el7.x86_64/vmlinux /opt/var/crash/127.0.0.1-2019-08-06-10\:16\:35/vmcore
  crash 7.1.2-3.el7_2.1 Copyright (C) 2002-2014  Red Hat, Inc. Copyright (C) 2004, 2005, 2006, 2010  IBM Corporation Copyright (C) 1999-2006  Hewlett-Packard Co Copyright (C) 2005, 2006, 2011, 2012  Fujitsu Limited Copyright (C) 2006, 2007  VA Linux Systems Japan K.K. Copyright (C) 2005, 2011  NEC Corporation Copyright (C) 1999, 2002, 2007  Silicon Graphics, Inc. Copyright (C) 1999, 2000, 2001, 2002  Mission Critical Linux, Inc. This program is free software, covered by the GNU General Public License, and you are welcome to change it and/or distribute copies of it under certain conditions.  Enter "help copying" to see the conditions. This program has absolutely no warranty.  Enter "help warranty" for details.
  GNU gdb (GDB) 7.6 Copyright (C) 2013 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html> This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law.  Type "show copying" and "show warranty" for details. This GDB was configured as "x86_64-unknown-linux-gnu"...
        KERNEL: /usr/lib/debug/lib/modules/3.10.0-327.el7.x86_64/vmlinux     DUMPFILE: /opt/var/crash/127.0.0.1-2019-08-06-10:16:35/vmcore  [PARTIAL DUMP]         CPUS: 40         DATE: Tue Aug  6 10:16:27 2019       UPTIME: 390 days, 14:40:34 LOAD AVERAGE: 81.55, 29.79, 16.87        TASKS: 2448     NODENAME: bjsjs_42_92      RELEASE: 3.10.0-327.el7.x86_64      VERSION: #1 SMP Thu Nov 19 22:10:57 UTC 2015      MACHINE: x86_64  (2199 Mhz)       MEMORY: 127.9 GB        PANIC: "kernel BUG at fs/buffer.c:1280!"          PID: 57502      COMMAND: "java"         TASK: ffff88201a2eb980  [THREAD_INFO: ffff880f7566c000]          CPU: 26        STATE:  (PANIC)
  crash> bt PID: 57502  TASK: ffff88201a2eb980  CPU: 26  COMMAND: "java"  #0 [ffff880f7566f5a8] machine_kexec at ffffffff81051beb  #1 [ffff880f7566f608] crash_kexec at ffffffff810f2542  #2 [ffff880f7566f6d8] oops_end at ffffffff8163e1a8  #3 [ffff880f7566f700] die at ffffffff8101859b  #4 [ffff880f7566f730] do_trap at ffffffff8163d860  #5 [ffff880f7566f780] do_invalid_op at ffffffff81015204  #6 [ffff880f7566f830] invalid_op at ffffffff8164701e     [exception RIP: check_irqs_on+4]     RIP: ffffffff816326d1  RSP: ffff880f7566f8e8  RFLAGS: 00010046     RAX: 0000000000000096  RBX: ffff8810092d9110  RCX: ffff880ee7d05800     RDX: 0000000000001000  RSI: 000000000090014a  RDI: ffff880f8cf4b740     RBP: ffff880f7566f8e8   R8: 0000000000000004   R9: 0000000000000004     R10: ffff880ee7d05800  R11: ffff880f7566f9e8  R12: ffff880f8cf4b740     R13: 0000000000001000  R14: ffff8801df370800  R15: 0000000000000010     ORIG_RAX: ffffffffffffffff  CS: 0010  SS: 0018  #7 [ffff880f7566f8f0] __find_get_block at ffffffff81212c85  #8 [ffff880f7566f910] __getblk at ffffffff81212cb5  #9 [ffff880f7566f970] __ext4_get_inode_loc at ffffffffa0373030 [ext4] #10 [ffff880f7566f9d8] ext4_get_inode_loc at ffffffffa0374dbd [ext4] #11 [ffff880f7566f9e8] ext4_reserve_inode_write at ffffffffa0376906 [ext4] #12 [ffff880f7566fa18] ext4_mark_inode_dirty at ffffffffa03769d3 [ext4] #13 [ffff880f7566fa70] ext4_writepages at ffffffffa0377567 [ext4] #14 [ffff880f7566fba8] do_writepages at ffffffff811758fe #15 [ffff880f7566fbb8] __filemap_fdatawrite_range at ffffffff8116a685 #16 [ffff880f7566fc08] filemap_flush at ffffffff8116a74c #17 [ffff880f7566fc18] ext4_alloc_da_blocks at ffffffffa0374a8c [ext4] #18 [ffff880f7566fc38] ext4_release_file at ffffffffa036df89 [ext4] #19 [ffff880f7566fc60] __fput at ffffffff811e0329 #20 [ffff880f7566fca8] ____fput at ffffffff811e05ee #21 [ffff880f7566fcb8] task_work_run at ffffffff810a22f4 #22 [ffff880f7566fce8] do_exit at ffffffff810815eb #23 [ffff880f7566fd78] do_group_exit at ffffffff81081dff #24 [ffff880f7566fda8] get_signal_to_deliver at ffffffff81092c10 #25 [ffff880f7566fe40] do_signal at ffffffff81014417 #26 [ffff880f7566ff30] do_notify_resume at ffffffff81014adf #27 [ffff880f7566ff50] retint_signal at ffffffff8163d1fc     RIP: 00007f3db495ee17  RSP: 00007f3cbc8a20f0  RFLAGS: 00010246     RAX: 0000000000000006  RBX: 00007f3cbc8a2430  RCX: 0000000000000001     RDX: 00007f3cbc99f700  RSI: 0000000000000008  RDI: 0000000000000000     RBP: 00007f3cbc8a2220   R8: 00007f3cbc8a25f0   R9: 00007f3cbc8a24c0     R10: 00000000fffffe00  R11: 0000000000000000  R12: 000000000000000b     R13: 00007f3cbc8a24c0  R14: 00007f3cbc8a2430  R15: 00007f3db48ee2c5     ORIG_RAX: ffffffffffffffff  CS: 0033  SS: 002b crash>
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