Just to check this could you display the contents of XrdFfsWcacheFbufs[fd] <br>
in the core file (I assume you have one)?<br>
<br>
Andy<br>
<br>
On Wed, 15 Jan 2020, Geonmo Ryu wrote:<br>
<br>
&gt; 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.<br>
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