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Ciao, as instructed by CMS, we changed on all our nodes the monitoring endpoint from xrootd.monitor all auth flush 30s mbuff 1472 window 5s dest files io info redir user xrootd.t2.ucsd.edu:9930 to xrootd.monitor all fstat 60s lfn ops ssq xfr 5 ident 5m dest fstat info user CMS-AAA-EU-COLLECTOR.cern.ch:9330 after than, a few of us noticed that both in redirectors and in site-redirectors we get a xrootd crash minutes after the start (we understand that configuration is probably unneeded on a redir, but many of us still have it for config consistency). no output from the crash, just lines like Nov 5 09:30:09 xrootd-redic kernel: [17619227.751667] xrootd[8524]: segfault at 8 ip 0000000000417743 sp 00007f2089c06cc0 error 6 in xrootd[400000+30000] in the /var/log/messages It does not seem to be a collector problem, indeed if we put xrootd.monitor all auth flush 30s mbuff 1472 window 5s dest files io info redir user CMS-AAA-EU-COLLECTOR.cern.ch:9330 all is ok is it a t-stream vs f-stream problem? my xrootd version is [root@xrootd-redic xrootd]# rpm -qa|grep xrootd xrootd-client-libs-3.3.6-1.slc6.x86_64 xrootd-3.3.6-1.slc6.x86_64 xrootd-client-3.3.6-1.slc6.x86_64 xrootd-libs-3.3.6-1.slc6.x86_64 xrootd-server-libs-3.3.6-1.slc6.x86_64 (not sure about the other cases...) and the config says all.role manager thanks! tom --- Reply to this email directly or view it on GitHub: https://github.com/xrootd/xrootd/issues/155 ######################################################################## 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