title: Process terminated by signal 6, core shows kind of loop in libc
body: <p>On analysis of the core of a process (terminated by signal 6), on LINUX, stack bt shows :</p>
  
  <pre><code>Core was generated by `/opt/namsam/pac_rrc_qx_e1/bin/rrcprb'.
  
  Program terminated with signal 6, Aborted.
  
  #0  0x0000005555ffb004 in epoll_wait () from /lib64/libc.so.6
  
  (gdb) bt
  
  #0  0x0000005555ffb004 in epoll_wait () from /lib64/libc.so.6
  #1  0x0000005555ffafe8 in __epoll_wait_nocancel () from /lib64/libc.so.6
  #2  0x0000005555ffafe8 in __epoll_wait_nocancel () from /lib64/libc.so.6
  #3  0x0000005555ffafe8 in __epoll_wait_nocancel () from /lib64/libc.so.6
  #4  0x0000005555ffafe8 in __epoll_wait_nocancel () from /lib64/libc.so.6
  #5  0x0000005555ffafe8 in __epoll_wait_nocancel () from /lib64/libc.so.6
  #6  0x0000005555ffafe8 in __epoll_wait_nocancel () from /lib64/libc.so.6
  #7  0x0000005555ffafe8 in __epoll_wait_nocancel () from /lib64/libc.so.6
  </code></pre>
  
  <p>libc seems to have gone in some loop.. Did something go wrong with the application "rrcprb" here..? please help me debug this issue..?</p>