@wyang007 Well, the fd value seems to be because the XrdFfsPosix_baseFD value is already subtracted. ``` (gdb) p XrdFfsPosix_baseFD $1 = 20000 ``` -- You are receiving this because you are subscribed to this thread. Reply to this email directly or view it on GitHub: https://github.com/xrootd/xrootd/issues/1116#issuecomment-575019902 ######################################################################## 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