I suspected that **XrdFfsWcache_pwrite** can corrupt **XrdFfsWcacheFbufs[fd].buf** contents due to https://github.com/xrootd/xrootd/blob/cfdc6aca0bde74f7b65000987f846512c42a87ab/src/XrdFfs/XrdFfsWcache.cc#L193 if **XrdFfsWcacheFbufs[fd].offset** is not 0. -- 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-574990024 ######################################################################## 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