This can happen if your server runs out of memory.

Make sure you have enough free memory on your server while compiling gcc.

gcc: internal compiler error: Killed (program cc1)
Please submit a full bug report,
with preprocessed source if appropriate.
See for instructions.
Makefile:1587: recipe for target ‘Objects/unicodeobject.o’ failed
make[2]: *** [Objects/unicodeobject.o] Error 4
make[2]: *** Waiting for unfinished jobs….
make[2]: Leaving directory ‘/root/Python-3.6.4’
Makefile:490: recipe for target ‘build_all_generate_profile’ failed
make[1]: *** [build_all_generate_profile] Error 2
make[1]: Leaving directory ‘/root/Python-3.6.4’
Makefile:471: recipe for target ‘profile-opt’ failed
make: *** [profile-opt] Error 2
root@beaglebone:~/Python-3.6.4#

Have not been able to find similar failure in FAQs etc.

Beaglebone Black
Debian 9: bone-debian-9.9-iot-armfh-2019-08-03-4gb.img.xz
Running commands from PuTTY

Help appreciated.

Exception in thread Thread-253:
Traceback (most recent call last):
File “/Python-3.6.4/Lib/asyncore.py”, line 83, in read
obj.handle_read_event()
File “/Python-3.6.4/Lib/test/test_ftplib.py”, line 366, in handle_read_event
super(SSLConnection, self).handle_read_event()
File “/Python-3.6.4/Lib/asyncore.py”, line 423, in handle_read_event
self.handle_read()
File “/Python-3.6.4/Lib/asynchat.py”, line 171, in handle_read
self.found_terminator()
File “/Python-3.6.4/Lib/test/test_ftplib.py”, line 116, in found_terminator
method(arg)
File “/Python-3.6.4/Lib/test/test_ftplib.py”, line 431, in cmd_auth
self.secure_connection()
File “/Python-3.6.4/Lib/test/test_ftplib.py”, line 315, in secure_connection
context.load_cert_chain(CERTFILE)
ssl.SSLError: [SSL: EE_KEY_TOO_SMALL] ee key too small (_ssl.c:3337)

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
File “/Python-3.6.4/Lib/threading.py”, line 916, in _bootstrap_inner
self.run()
File “/Python-3.6.4/Lib/test/test_ftplib.py”, line 279, in run
asyncore.loop(timeout=0.1, count=1)
File “/Python-3.6.4/Lib/asyncore.py”, line 207, in loop
poll_fun(timeout, map)
File “/Python-3.6.4/Lib/asyncore.py”, line 150, in poll
read(obj)
File “/Python-3.6.4/Lib/asyncore.py”, line 87, in read
obj.handle_error()
File “/Python-3.6.4/Lib/test/test_ftplib.py”, line 399, in handle_error
raise Exception
Exception