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(unclear to me why cmsd would ever try to authenticate via Kerberos to anything, a workaround on our side might be to (un)configure the authentication protocols).. Below is from an "abrt" crash report on a CentOS7 machine (with some parts removed). ` cmdline: /usr/bin/cmsd -l /var/log/xrootd/cmsd.log -c /etc/xrootd/xrootd-cmstzero.cfg -k fifo -s /var/run/xrootd/cmsd-cmstzero.pid -n cmstzero uid: 203 (xrootd) executable: /usr/bin/cmsd hostname: xrdcmstzero01.cern.ch [..] :Core was generated by `/usr/bin/cmsd -l /var/log/xrootd/cmsd.log -c /etc/xrootd/xrootd-cmstzero.cfg -k'. :Program terminated with signal 11, Segmentation fault. :#0 0x00007f36ee875ec4 in krb5_cc_get_principal () from /lib64/libkrb5.so.3 :#0 0x00007f36ee875ec4 in krb5_cc_get_principal () from /lib64/libkrb5.so.3 :#1 0x00007f36ef52dfe7 in XrdSecProtocolkrb5::get_krbCreds (KP=<optimized out>, krb_creds=krb_creds@entry=0x7f3734205930) at /usr/src/debug/xrootd/xrootd/src/XrdSeckrb5/XrdSecProtocolkrb5.cc:695 :#2 0x00007f36ef52fe90 in XrdSecProtocolkrb5::getCredentials (this=0x7f3734205750, noparm=<optimized out>, error=0x7f371b12fbc0) at /usr/src/debug/xrootd/xrootd/src/XrdSeckrb5/XrdSecProtocolkrb5.cc:339 :#3 0x00007f3766486257 in XrdCl::XRootDTransport::GetCredentials (this=this@entry=0x7f373000b920, credentials=@0x7f371b130468: 0x0, hsData=hsData@entry=0x7f37341eec40, info=info@entry=0x7f375c016df0) at /usr/src/debug/xrootd/xrootd/src/XrdCl/XrdClXRootDTransport.cc:1690 :#4 0x00007f3766487679 in XrdCl::XRootDTransport::DoAuthentication (this=this@entry=0x7f373000b920, hsData=hsData@entry=0x7f37341eec40, info=info@entry=0x7f375c016df0) at /usr/src/debug/xrootd/xrootd/src/XrdCl/XrdClXRootDTransport.cc:1522 :#5 0x00007f3766487df2 in XrdCl::XRootDTransport::HandShakeMain (this=this@entry=0x7f373000b920, handShakeData=handShakeData@entry=0x7f37341eec40, channelData=...) at /usr/src/debug/xrootd/xrootd/src/XrdCl/XrdClXRootDTransport.cc:370 :#6 0x00007f3766487efb in XrdCl::XRootDTransport::HandShake (this=0x7f373000b920, handShakeData=0x7f37341eec40, channelData=...) at /usr/src/debug/xrootd/xrootd/src/XrdCl/XrdClXRootDTransport.cc:279 :#7 0x00007f37664e0175 in XrdCl::AsyncSocketHandler::OnReadWhileHandshaking (this=0x7f375c0170a0) at /usr/src/debug/xrootd/xrootd/src/XrdCl/XrdClAsyncSocketHandler.cc:620 :#8 0x00007f37664e0442 in XrdCl::AsyncSocketHandler::Event (this=0x7f375c0170a0, type=<optimized out>) at /usr/src/debug/xrootd/xrootd/src/XrdCl/XrdClAsyncSocketHandler.cc:227 :#9 0x00007f376647ad05 in (anonymous namespace)::SocketCallBack::Event (this=0x7f374c1a7fe0, chP=<optimized out>, cbArg=<optimized out>, evFlags=<optimized out>) at /usr/src/debug/xrootd/xrootd/src/XrdCl/XrdClPollerBuiltIn.cc:82 :#10 0x00007f3768899acd in XrdSys::IOEvents::Poller::CbkXeq (this=this@entry=0x7f373c00cd40, cP=cP@entry=0x7f374c0d7a90, events=1, eNum=0, eTxt=<optimized out>) at /usr/src/debug/xrootd/xrootd/src/XrdSys/XrdSysIOEvents.cc:692 :#11 0x00007f376889ac19 in XrdSys::IOEvents::PollE::Dispatch (this=this@entry=0x7f373c00cd40, cP=0x7f374c0d7a90, pollEv=<optimized out>) at /usr/src/debug/xrootd/xrootd/src/XrdSys/XrdSysIOEventsPollE.icc:270 :#12 0x00007f376889adf1 in XrdSys::IOEvents::PollE::Begin (this=0x7f373c00cd40, syncsem=<optimized out>, retcode=<optimized out>, eTxt=<optimized out>) at /usr/src/debug/xrootd/xrootd/src/XrdSys/XrdSysIOEventsPollE.icc:225 :#13 0x00007f376889781d in XrdSys::IOEvents::BootStrap::Start (parg=0x7f371ce4bd70) at /usr/src/debug/xrootd/xrootd/src/XrdSys/XrdSysIOEvents.cc:131 :#14 0x00007f37688961f7 in XrdSysThread_Xeq (myargs=0x7f373c00c020) at /usr/src/debug/xrootd/xrootd/src/XrdSys/XrdSysPthread.cc:86 :#15 0x00007f376865adc5 in start_thread () from /lib64/libpthread.so.0 :#16 0x00007f376796028d in clone () from /lib64/libc.so.6 [..] ` Happened (this time) at ` Jul 14 02:02:46 xrdcmstzero01.cern.ch kernel: cmsd[56811]: segfault at 8 ip 00007fbdf0a0cec4 sp 00007fbe35e969b0 error 4 in libkrb5.so.3.3[7fbdf09d2000+d5000] ` Config file: ` [root@xrdcmstzero01 ~]# cat /etc/xrootd/xrootd-cmstzero.cfg ### # # Managed by puppet # # xrootd+cmsd config for # - xrdfed/cms/tzero ### xrd.port 1213 if exec cmsd xrd.port 1094 if exec xrootd all.adminpath /var/spool/xrootd all.sitename CERN-PROD all.role server all.export / readonly all.manager any xrootd-cms.infn.it+ 1213 xrootd.redirect cms-xrd-tzero.cern.ch:1094 ? /store # Extra opts cms.delay servers 0 cms.fxhold 8h cms.trace all -debug cmsd.port 1213 ofs.osslib libXrdPss.so ofs.trace all -debug pss.localroot /eos/cms/tier0 pss.origin eoscms.cern.ch:1094 xrd.report localhost:3333 every 30s all sync xrd.trace all -debug xrootd.trace emsg login stall redirect ` --- You are receiving this because you are subscribed to this thread. 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