ciao, so here it is: Core was generated by `/usr/bin/xrootd -l /var/log/xrootd/xrootd.log -c /etc/xrootd/xrootd-redir-cms-f'. Program terminated with signal 11, Segmentation fault. #0 0x0000000000417743 in XrdXrootdMonFile::GetSlot (slotSZ=8) at /usr/src/debug/xrootd/xrootd/src/XrdXrootd/XrdXrootdMonFile.cc:439 439 repTOD->tBeg = htonl(static_cast<int>(time(0))); and the 'where' says #0 0x0000000000417743 in XrdXrootdMonFile::GetSlot (slotSZ=8) at /usr/src/debug/xrootd/xrootd/src/XrdXrootd/XrdXrootdMonFile.cc:439 #1 0x0000000000417cb6 in XrdXrootdMonFile::Disc (usrID=0) at /usr/src/debug/xrootd/xrootd/src/XrdXrootd/XrdXrootdMonFile.cc:200 #2 0x000000000041c71a in XrdXrootdProtocol::Recycle (this=0x7f0890000990, lp= 0x7f0894000a88, csec=3, reason=<value optimized out>) is this what you need? not sure how to find 'the thread that got the SEGV'. I am leaving early tonight ... tomorrow ~ after 11 am ? tom --- Reply to this email directly or view it on GitHub: https://github.com/xrootd/xrootd/issues/155#issuecomment-61843993 ######################################################################## 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