我正在尝试打开内核核心转储文件。我得到的是：
gdb app core.23605
GNU gdb (GDB) Red Hat Enterprise Linux (7.0.1-32.el5)
Copyright (C) 2009 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
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This GDB was configured as "i386-redhat-linux-gnu".
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<http://www.gnu.org/software/gdb/bugs/>...
Reading symbols from /home/Development/Projects/app...done.
"/home/Development/Projects/core.23605" is not a core dump: File format not recognized
ulimit -a
core file size (blocks, -c) unlimited
data seg size (kbytes, -d) unlimited
scheduling priority (-e) 0
file size (blocks, -f) unlimited
pending signals (-i) 7616
max locked memory (kbytes, -l) 32
max memory size (kbytes, -m) unlimited
open files (-n) 1024
pipe size (512 bytes, -p) 8
POSIX message queues (bytes, -q) 819200
real-time priority (-r) 0
stack size (kbytes, -s) 10240
cpu time (seconds, -t) unlimited
max user processes (-u) 7616
virtual memory (kbytes, -v) unlimited
file locks (-x) unlimited