It would appear that we not addressed all possible edge cases. The particular code that was supposed to have fixed it is: XrdSysIOEventsPollE.icc:221 Now, if you could install the debug rpm and rerun the stack trace we can see where else this is happenning. Andy On Mon, 4 Oct 2021, Elvin Sindrilaru wrote: > Hi Andy, > > This happens in 5.3.1. > > Elvin > > -- > You are receiving this because you were mentioned. > Reply to this email directly or view it on GitHub: > https://github.com/xrootd/xrootd/issues/1515#issuecomment-933217525 -- You are receiving this because you commented. Reply to this email directly or view it on GitHub: https://github.com/xrootd/xrootd/issues/1515#issuecomment-933225726 ######################################################################## 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