Traceback (most recent call last):
  File "/usr/share/apport/apport-gtk", line 468, in <lambda>
    GLib.idle_add(lambda: self.collect_info(on_finished=self.ui_update_view))
  File "/usr/lib/python2.7/dist-packages/apport/ui.py", line 863, in collect_info
    icthread.exc_raise()
  File "/usr/lib/python2.7/dist-packages/apport/REThread.py", line 34, in run
    self._retval = self.__target(*self.__args, **self.__kwargs)
  File "/usr/lib/python2.7/dist-packages/apport/ui.py", line 49, in thread_collect_info
    report.add_gdb_info()
  File "/usr/lib/python2.7/dist-packages/apport/report.py", line 574, in add_gdb_info
    self['CoreDump'].write(open(core, 'w'))
  File "/usr/lib/python2.7/dist-packages/problem_report.py", line 75, in write
    block = gz.read(1048576)
  File "/usr/lib/python2.7/gzip.py", line 256, in read
    self._read(readsize)
  File "/usr/lib/python2.7/gzip.py", line 303, in _read
    self._read_eof()
  File "/usr/lib/python2.7/gzip.py", line 342, in _read_eof
    hex(self.crc)))
IOError: CRC check failed 0xacf15672 != 0xa1706dfdL