Hi Michal! I have a strange occurrence of Fatal Python error: Segmentation fault Thread 0x00007fbab90a4700 (most recent call first): File "/usr/lib64/python3.7/concurrent/futures/thread.py", line 78 in _worker File "/usr/lib64/python3.7/threading.py", line 870 in run File "/usr/lib64/python3.7/threading.py", line 926 in _bootstrap_inner File "/usr/lib64/python3.7/threading.py", line 890 in _bootstrap Current thread 0x00007fbabaa25740 (most recent call first): File "/home/adrian/.local/lib/python3.7/site-packages/XRootD/client/copyprocess.py", line 145 in run File "/home/adrian/bin/alien.py", line 594 in XrdCopy File "/home/adrian/bin/alien.py", line 451 in ProcessXrootdCp File "/home/adrian/bin/alien.py", line 1051 in ProcessInput File "/home/adrian/bin/alien.py", line 1118 in JAlien File "/usr/lib64/python3.7/asyncio/events.py", line 88 in _run File "/usr/lib64/python3.7/asyncio/base_events.py", line 1771 in _run_once File "/usr/lib64/python3.7/asyncio/base_events.py", line 534 in run_forever File "/usr/lib64/python3.7/asyncio/base_events.py", line 566 in run_until_complete File "/home/adrian/bin/alien.py", line 1199 in main File "/home/adrian/bin/alien.py", line 1203 in <module> Segmentation fault (core dumped) i believe that this happens because the i do run without any job added ... of course i could protect the case of no jobs added but maybe can upstream check if copy jobs are in queue and if not then give a message that "No copy jobs to run" or something? Thanks!! Adrian ######################################################################## Use REPLY-ALL to reply to list To unsubscribe from the XROOTD-L list, click the following link: https://listserv.slac.stanford.edu/cgi-bin/wa?SUBED1=XROOTD-L&A=1