I will try that. The symptom disappeared. It appears from time to time. Yes, this is only a recent phenomenon. So, your guess might be correct in saying that Globus might be taking over the signal handling because there were a lot of users that were being authorized at the time. Thanks for looking into this. -- You are receiving this because you commented. Reply to this email directly or view it on GitHub: https://github.com/xrootd/xrootd/issues/1113#issuecomment-575615222 ######################################################################## Use REPLY-ALL to reply to list To unsubscribe from the XROOTD-DEV list, click the following link: https://listserv.slac.stanford.edu/cgi-bin/wa?SUBED1=XROOTD-DEV&A=1