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XROOTD-DEV April 2012

XROOTD-DEV April 2012

Subject:

[bug #93797] xrdcpy failure in extreme copy mode

From:

Doug Benjamin <[log in to unmask]>

Reply-To:

xrootd developers' list for Scalla/xrootd repository and related issues <[log in to unmask]>

Date:

Sat, 21 Apr 2012 13:11:39 +0200

Content-Type:

text/plain

Parts/Attachments:
Parts/Attachments

text/plain (339 lines) 

Follow-up Comment #5, bug #93797 (project xrootd):

Hi I repeated the test twice now using xrdcp -x mode
In the first test I copied 1000 small files from the US ATLAS regional
redirector without incident.

In the second case. I have managed to get the a xrdcp -x hang

Here is  the command used and the output to sysout:

cmd: xrdcp -x -np -v -f -d 1
root://xrd-central.uchicago.edu//atlas/dq2/user/bdouglas/physics_Egamma/user.bdouglas.physi
cs_Egamma.SMWZd3pdExample.NTUP_SMWZ.f406_m991_p716/SMWZd3pdExample_NTUP_SMWZ.523740._000001.root.1
root://atlas70.hep.an
l.gov//atlas/dq2/user/bdouglas/physics_Egamma/user.bdouglas.physics_Egamma.SMWZd3pdExample.NTUP_SMWZ.f406_m991_p716/SMWZ
d3pdExample_NTUP_SMWZ.523740._000001.root.1
Set debug level 1
Extreme Copy enabled.
120421 05:22:58 16657 Xrd: main: (C) 2004-2011 by the XRootD collaboration.
Version: v20120412-f837b66
120421 05:22:58 16657 Xrd: Create: (C) 2004-2010 by the Xrootd group.
XrdClient $Revision$ - Xrootd version: v3.2.0-rc1
120421 05:22:58 16657 Xrd: ShowUrls: The converted URLs count is 1
120421 05:22:58 16657 Xrd: ShowUrls: URL n.1:
root://xrd-central.uchicago.edu:1094//atlas/dq2/user/bdouglas/physics_Egam
ma/user.bdouglas.physics_Egamma.SMWZd3pdExample.NTUP_SMWZ.f406_m991_p716/SMWZd3pdExample_NTUP_SMWZ.523740._000001.root.1
.
120421 05:22:58 16657 Xrd: ShowUrls: The converted URLs count is 1
120421 05:22:58 16657 Xrd: ShowUrls: URL n.1:
root://xrd-central.uchicago.edu:1094//atlas/dq2/user/bdouglas/physics_Egam
ma/user.bdouglas.physics_Egamma.SMWZd3pdExample.NTUP_SMWZ.f406_m991_p716/SMWZd3pdExample_NTUP_SMWZ.523740._000001.root.1
.
120421 05:22:58 16657 Xrd: Open: Access to server granted.
120421 05:22:58 16657 Xrd: Open: Opening the remote file
/atlas/dq2/user/bdouglas/physics_Egamma/user.bdouglas.physics_E
gamma.SMWZd3pdExample.NTUP_SMWZ.f406_m991_p716/SMWZd3pdExample_NTUP_SMWZ.523740._000001.root.1
120421 05:22:58 16657 Xrd: Open: File open in progress.
120421 05:22:58 16660 Xrd: HandleServerError: Received redirection to
[tier2-03.ochep.ou.edu:1094]. Token=[]]. Opaque=[].
120421 05:22:58 16660 Xrd: DumpPhyConn: Phyconn entry,
[log in to unmask]:1094', LogCnt=0 Valid
sec_Client: protocol request for host tier2-03.ochep.ou.edu
token='&P=gsi,v:10300,c:ssl,ca:1c3f2ca8.0'
sec_PM: Loading gsi protocol object from libXrdSecgsi.so
120421 05:22:58 16660 secgsi_Init: option CACheck: 1
120421 05:22:58 16660 secgsi_Init: testing CA dir(s):
/cvmfs/atlas.cern.ch/repo/ATLASLocalRootBase/etc/grid-security/certificates
120421 05:22:58 16660 secgsi_Init: using CA dir(s):
/cvmfs/atlas.cern.ch/repo/ATLASLocalRootBase/etc/grid-security/certificates/
120421 05:22:58 16660 secgsi_Init: option CRLCheck: 1 ('use-if-available';
download? no)
120421 05:22:58 16660 secgsi_Init: testing CRL dir(s):
/cvmfs/atlas.cern.ch/repo/ATLASLocalRootBase/etc/grid-security/certificates
120421 05:22:58 16660 secgsi_Init: using CRL dir(s):
/cvmfs/atlas.cern.ch/repo/ATLASLocalRootBase/etc/grid-security/certificates/
120421 05:22:58 16660 secgsi_Init: CRL information refreshed every 86400
secs
120421 05:22:58 16660 sut_Cache::Init: cache allocated for 100 entries
120421 05:22:58 16660 sut_Cache::Rehash: Hash table updated (found 0 active
entries)
120421 05:22:58 16660 sut_Cache::Init: cache allocated for 2 entries
120421 05:22:58 16660 sut_Cache::Rehash: Hash table updated (found 0 active
entries)
120421 05:22:58 16660 secgsi_InitOpts: ***
------------------------------------------------------------ ***
120421 05:22:58 16660 secgsi_InitOpts:  Mode: client
120421 05:22:58 16660 secgsi_InitOpts:  Debug: 1
120421 05:22:58 16660 secgsi_InitOpts:  CA dir:
/cvmfs/atlas.cern.ch/repo/ATLASLocalRootBase/etc/grid-security/certificates
120421 05:22:58 16660 secgsi_InitOpts:  CA verification level: 1
120421 05:22:58 16660 secgsi_InitOpts:  CRL dir:
/cvmfs/atlas.cern.ch/repo/ATLASLocalRootBase/etc/grid-security/certificates
120421 05:22:58 16660 secgsi_InitOpts:  CRL extension: .r0
120421 05:22:58 16660 secgsi_InitOpts:  CRL check level: 1
120421 05:22:58 16660 secgsi_InitOpts:  CRL refresh time: 86400
120421 05:22:58 16660 secgsi_InitOpts:  Certificate:
/users/dbenjamin/.globus/usercert.pem
120421 05:22:58 16660 secgsi_InitOpts:  Key:
/users/dbenjamin/.globus/userkey.pem
120421 05:22:58 16660 secgsi_InitOpts:  Proxy file: /tmp/x509up_u30001
120421 05:22:58 16660 secgsi_InitOpts:  Proxy validity: 12:00
120421 05:22:58 16660 secgsi_InitOpts:  Proxy dep length: 0
120421 05:22:58 16660 secgsi_InitOpts:  Proxy bits: 512
120421 05:22:58 16660 secgsi_InitOpts:  Proxy sign option: 1
120421 05:22:58 16660 secgsi_InitOpts:  Proxy delegation option: 0
:
120421 05:22:58 16660 secgsi_InitOpts:  Allowed server names: [*/]<target
host name>[/*]
120421 05:22:58 16660 secgsi_InitOpts:  Crypto modules: ssl
120421 05:22:58 16660 secgsi_InitOpts:  Ciphers:
aes-128-cbc:bf-cbc:des-ede3-cbc
120421 05:22:58 16660 secgsi_InitOpts:  MDigests: sha1:md5
120421 05:22:58 16660 secgsi_InitOpts: ***
------------------------------------------------------------ ***
sec_PM: Using gsi protocol, args='v:10300,c:ssl,ca:1c3f2ca8.0'
120421 05:22:58 16660 secgsi_XrdSecProtocolgsi: constructing: host:
tier2-03.ochep.ou.edu
120421 05:22:58 16660 secgsi_XrdSecProtocolgsi: p: gsi, plen: 4
120421 05:22:58 16660 secgsi_XrdSecProtocolgsi: mode: client
120421 05:22:58 16660 secgsi_XrdSecProtocolgsi: object created: v..
120421 05:22:58 16660 secgsi_ParseCrypto: parsing list: ssl
120421 05:22:58 16660 secgsi_ParseCrypto: found module: ssl
120421 05:22:58 16660 crypto_Factory::GetCryptoFactory: loading ssl crypto
factory object from libXrdCrypto.so
120421 05:22:58 16660 crypto_Factory::GetCryptoFactory: loading ssl crypto
factory object from libXrdCryptossl.so
120421 05:22:58 16660 sut_Rndm::GetBuffer: enter: len: 32
120421 05:22:58 16660 sut_Rndm::Init: taking seed from /dev/urandom
120421 05:22:58 16660 secgsi_ParseCAlist: parsing list: 1c3f2ca8.0
120421 05:22:58 16660 secgsi_GetCA: Querying cache for tag: 1c3f2ca8.0:1
(timestamp:1335003778, refresh fq:86400)
120421 05:22:58 16660 secgsi_GetCA: trying to load CA certificate from
/cvmfs/atlas.cern.ch/repo/ATLASLocalRootBase/etc/grid-security/certificates/1c3f2ca8.0
120421 05:22:58 16660 cryptossl_X509::IsCA: certificate has 7 extensions
120421 05:22:58 16660 secgsi_VerifyCA: Warning: CA certificate not
self-signed: integrity not checked, assuming OK (1c3f2ca8.0)
120421 05:22:58 16660 secgsi_LoadCRL: target file:
/cvmfs/atlas.cern.ch/repo/ATLASLocalRootBase/etc/grid-security/certificates/1c3f2ca8.r0
120421 05:22:58 16660 sut_Cache::Init: cache allocated for 355 entries
120421 05:22:58 16660 sut_Cache::Rehash: Hash table updated (found 0 active
entries)
120421 05:22:58 16660 sut_Cache::Rehash: Hash table updated (found 355 active
entries)
120421 05:22:58 16660 secgsi_LoadCRL: CA signing certificate file =
/cvmfs/atlas.cern.ch/repo/ATLASLocalRootBase/etc/grid-security/certificates/1c3f2ca8.0
120421 05:22:58 16660 cryptossl_X509::IsCA: certificate has 7 extensions
120421 05:22:58 16660 sut_Cache::Rehash: Hash table updated (found 1 active
entries)
120421 05:22:58 16660 cryptossl_X509::IsCA: certificate has 3 extensions
120421 05:22:58 16660 cryptossl_X509::IsCA: certificate has 6 extensions
120421 05:22:58 16660 sut_Cache::Rehash: Hash table updated (found 1 active
entries)
120421 05:22:58 16660 secgsi_getCredentials: version run by server: 10300
120421 05:22:58 16660 secgsi_CheckRtag: Nothing to check
120421 05:22:58 16660 secgsi_getCredentials: Client issuer hash: 1c3f2ca8.0
120421 05:22:58 16660 sut_Rndm::GetString: enter: len: 8 (type: Crypt)
120421 05:22:58 16660 sut_Rndm::GetString: got: ON.5CV1z
120421 05:22:58 16660 secgsi_getCredentials: returned 101 bytes of
credentials
120421 05:22:58 16660 crypto_X509Chain::EECname: EEC not found in chain
120421 05:22:58 16660 crypto_X509Chain::EEChash: EEC not found in chain
120421 05:22:58 16660 cryptossl_X509::IsCA: certificate has 6 extensions
120421 05:22:58 16660 secgsi_getCredentials: version run by server: 10300
120421 05:22:58 16660 secgsi_CheckRtag: Random tag successfully checked
120421 05:22:58 16660 sut_Rndm::GetString: enter: len: 8 (type: Crypt)
120421 05:22:58 16660 sut_Rndm::GetString: got: GoCQgFk7
120421 05:22:58 16660 secgsi_getCredentials: returned 5349 bytes of
credentials
120421 05:22:58 16657 Xrd: ShowUrls: The converted URLs count is 1
120421 05:22:58 16657 Xrd: ShowUrls: URL n.1:
root://atlas70.hep.anl.gov:1094//atlas/dq2/user/bdouglas/physics_Egamma/user.bdouglas.physics_Egamma.SMWZd3pdExample.NTUP_SMWZ.f406_m991_p716/SMWZd3pdExample_NTUP_SMWZ.523740._000001.root.1?oss.asize=11653647.
120421 05:22:58 16657 Xrd: ShowUrls: The converted URLs count is 1
120421 05:22:58 16657 Xrd: ShowUrls: URL n.1:
root://atlas70.hep.anl.gov:1094//atlas/dq2/user/bdouglas/physics_Egamma/user.bdouglas.physics_Egamma.SMWZd3pdExample.NTUP_SMWZ.f406_m991_p716/SMWZd3pdExample_NTUP_SMWZ.523740._000001.root.1?oss.asize=11653647.
120421 05:22:58 16657 Xrd: DumpPhyConn: Phyconn entry,
[log in to unmask]:1094', LogCnt=1 Valid
120421 05:22:58 16657 Xrd: DumpPhyConn: Phyconn entry,
[log in to unmask]:1094', LogCnt=0 Valid
sec_Client: protocol request for host atlas70.hep.anl.gov token='&P=unix'
sec_PM: Loading unix protocol object from libXrdSecunix.so
sec_PM: Using unix protocol, args=''
120421 05:22:58 16657 Xrd: Open: Access to server granted.
120421 05:22:58 16657 Xrd: Open: Opening the remote file
/atlas/dq2/user/bdouglas/physics_Egamma/user.bdouglas.physics_Egamma.SMWZd3pdExample.NTUP_SMWZ.f406_m991_p716/SMWZd3pdExample_NTUP_SMWZ.523740._000001.root.1?oss.asize=11653647
120421 05:22:58 16657 Xrd: Open: File opened succesfully.
120421 05:22:58 16657 Xrd: main:
root://xrd-central.uchicago.edu//atlas/dq2/user/bdouglas/physics_Egamma/user.bdouglas.physics_Egamma.SMWZd3pdExample.NTUP_SMWZ.f406_m991_p716/SMWZd3pdExample_NTUP_SMWZ.523740._000001.root.1
-->
root://atlas70.hep.anl.gov//atlas/dq2/user/bdouglas/physics_Egamma/user.bdouglas.physics_Egamma.SMWZd3pdExample.NTUP_SMWZ.f406_m991_p716/SMWZd3pdExample_NTUP_SMWZ.523740._000001.root.1
120421 05:22:58 16657 Xrd: ShowUrls: The converted URLs count is 1
120421 05:22:58 16657 Xrd: ShowUrls: URL n.1:
root://xrd-central.uchicago.edu:1094//atlas/dq2/user/bdouglas/physics_Egamma/user.bdouglas.physics_Egamma.SMWZd3pdExample.NTUP_SMWZ.f406_m991_p716/SMWZd3pdExample_NTUP_SMWZ.523740._000001.root.1.
120421 05:22:58 16657 Xrd: ShowUrls: The converted URLs count is 1
120421 05:22:58 16657 Xrd: ShowUrls: URL n.1:
root://xrd-central.uchicago.edu:1094//atlas/dq2/user/bdouglas/physics_Egamma/user.bdouglas.physics_Egamma.SMWZd3pdExample.NTUP_SMWZ.f406_m991_p716/SMWZd3pdExample_NTUP_SMWZ.523740._000001.root.1


Here are the specifics from the gdb backtrace -
Thread 10 (Thread 0x2b044650bc20 (LWP 16657)):
#0  0x0000003cf620b1c0 in pthread_cond_timedwait@@GLIBC_2.3.2 () from
/lib64/libpthread.so.0
#1  0x0000003209c1c022 in XrdSysCondVar::Wait (this=0x61aa20, sec=3600)
    at /usr/src/debug/xrootd/xrootd/src/XrdSys/XrdSysPthread.cc:110
#2  0x0000000000411f72 in ?? ()

Thread 9 (Thread 0x47410940 (LWP 16671)):
#0  0x0000003cf5aca1e6 in poll () from /lib64/libc.so.6
#1  0x000000320a01f1e6 in XrdClientSock::RecvRaw (this=0x2aaab4005720,
buffer=0x13545a20, length=8, substreamid=-1, 
    usedsubstreamid=<value optimized out>) at
/usr/src/debug/xrootd/xrootd/src/XrdClient/XrdClientSock.cc:133
#2  0x000000320a03a362 in XrdClientPhyConnection::ReadRaw
(this=0x2aaab40039e0, buf=0x13545a20, len=8, substreamid=-1, 
    usedsubstreamid=0x4740fd9c) at
/usr/src/debug/xrootd/xrootd/src/XrdClient/XrdClientPhyConnection.cc:359
#3  0x000000320a03d458 in XrdClientMessage::ReadRaw (this=0x135459e0,
phy=0x2aaab40039e0)
    at /usr/src/debug/xrootd/xrootd/src/XrdClient/XrdClientMessage.cc:152
#4  0x000000320a039b1c in XrdClientPhyConnection::BuildMessage
(this=0x2aaab40039e0, IgnoreTimeouts=true, Enqueue=true)
    at
/usr/src/debug/xrootd/xrootd/src/XrdClient/XrdClientPhyConnection.cc:440
#5  0x000000320a03a152 in SocketReaderThread (arg=0x2aaab40039e0, thr=<value
optimized out>)
    at
/usr/src/debug/xrootd/xrootd/src/XrdClient/XrdClientPhyConnection.cc:57
#6  0x0000003209c1be7f in XrdSysThread_Xeq (myargs=<value optimized out>)
    at /usr/src/debug/xrootd/xrootd/src/XrdSys/XrdSysPthread.cc:67
#7  0x0000003cf620677d in start_thread () from /lib64/libpthread.so.0
#8  0x0000003cf5ad30dd in clone () from /lib64/libc.so.6

Thread 8 (Thread 0x47e11940 (LWP 16670)):
#0  0x0000003cf5aca1e6 in poll () from /lib64/libc.so.6
#1  0x000000320a01f1e6 in XrdClientSock::RecvRaw (this=0x2aaaac0072c0,
buffer=0x1353bd80, length=8, substreamid=-1, 
    usedsubstreamid=<value optimized out>) at
/usr/src/debug/xrootd/xrootd/src/XrdClient/XrdClientSock.cc:133
#2  0x000000320a03a362 in XrdClientPhyConnection::ReadRaw
(this=0x2aaaac005950, buf=0x1353bd80, len=8, substreamid=-1, 
    usedsubstreamid=0x47e10d9c) at
/usr/src/debug/xrootd/xrootd/src/XrdClient/XrdClientPhyConnection.cc:359
#3  0x000000320a03d458 in XrdClientMessage::ReadRaw (this=0x1353bd40,
phy=0x2aaaac005950)
    at /usr/src/debug/xrootd/xrootd/src/XrdClient/XrdClientMessage.cc:152
#4  0x000000320a039b1c in XrdClientPhyConnection::BuildMessage
(this=0x2aaaac005950, IgnoreTimeouts=true, Enqueue=true)
    at
/usr/src/debug/xrootd/xrootd/src/XrdClient/XrdClientPhyConnection.cc:440
#5  0x000000320a03a152 in SocketReaderThread (arg=0x2aaaac005950, thr=<value
optimized out>)
    at
/usr/src/debug/xrootd/xrootd/src/XrdClient/XrdClientPhyConnection.cc:57
#6  0x0000003209c1be7f in XrdSysThread_Xeq (myargs=<value optimized out>)
    at /usr/src/debug/xrootd/xrootd/src/XrdSys/XrdSysPthread.cc:67
#7  0x0000003cf620677d in start_thread () from /lib64/libpthread.so.0
#8  0x0000003cf5ad30dd in clone () from /lib64/libc.so.6

Thread 7 (Thread 0x4600e940 (LWP 16667)):
#0  0x0000003cf5a99031 in nanosleep () from /lib64/libc.so.6
#1  0x0000003cf5a98e54 in sleep () from /lib64/libc.so.6
#2  0x00000000004084ca in ?? ()

Thread 6 (Thread 0x4560d940 (LWP 16666)):
#0  0x0000003cf5a99031 in nanosleep () from /lib64/libc.so.6
#1  0x0000003cf5a98e54 in sleep () from /lib64/libc.so.6
#2  0x00000000004084ca in ?? ()

Thread 5 (Thread 0x44c0c940 (LWP 16665)):
#0  0x0000003cf5a99031 in nanosleep () from /lib64/libc.so.6
#1  0x0000003cf5a98e54 in sleep () from /lib64/libc.so.6
#2  0x00000000004084ca in ?? ()

Thread 4 (Thread 0x4420b940 (LWP 16664)):
#0  0x0000003cf5a99031 in nanosleep () from /lib64/libc.so.6
#1  0x0000003cf5a98e54 in sleep () from /lib64/libc.so.6
#2  0x00000000004084ca in ?? ()

Thread 3 (Thread 0x42408940 (LWP 16662)):
#0  0x0000003cf5aca1e6 in poll () from /lib64/libc.so.6
#1  0x000000320a01f1e6 in XrdClientSock::RecvRaw (this=0x1353dc00,
buffer=0x1353c5c0, length=8, substreamid=-1, 
    usedsubstreamid=<value optimized out>) at
/usr/src/debug/xrootd/xrootd/src/XrdClient/XrdClientSock.cc:133
#2  0x000000320a03a362 in XrdClientPhyConnection::ReadRaw (this=0x1353c6b0,
buf=0x1353c5c0, len=8, substreamid=-1, 
    usedsubstreamid=0x42407d9c) at
/usr/src/debug/xrootd/xrootd/src/XrdClient/XrdClientPhyConnection.cc:359
#3  0x000000320a03d458 in XrdClientMessage::ReadRaw (this=0x1353c580,
phy=0x1353c6b0)
    at /usr/src/debug/xrootd/xrootd/src/XrdClient/XrdClientMessage.cc:152
#4  0x000000320a039b1c in XrdClientPhyConnection::BuildMessage
(this=0x1353c6b0, IgnoreTimeouts=true, Enqueue=true)
    at
/usr/src/debug/xrootd/xrootd/src/XrdClient/XrdClientPhyConnection.cc:440
#5  0x000000320a03a152 in SocketReaderThread (arg=0x1353c6b0, thr=<value
optimized out>)
    at
/usr/src/debug/xrootd/xrootd/src/XrdClient/XrdClientPhyConnection.cc:57
#6  0x0000003209c1be7f in XrdSysThread_Xeq (myargs=<value optimized out>)
    at /usr/src/debug/xrootd/xrootd/src/XrdSys/XrdSysPthread.cc:67
#7  0x0000003cf620677d in start_thread () from /lib64/libpthread.so.0
#8  0x0000003cf5ad30dd in clone () from /lib64/libc.so.6

Thread 2 (Thread 0x42e09940 (LWP 16661)):
#0  0x0000003cf5aca1e6 in poll () from /lib64/libc.so.6
#1  0x000000320a01f1e6 in XrdClientSock::RecvRaw (this=0x2aaaac002ff0,
buffer=0x134b2fa0, length=8, substreamid=-1, 
    usedsubstreamid=<value optimized out>) at
/usr/src/debug/xrootd/xrootd/src/XrdClient/XrdClientSock.cc:133
#2  0x000000320a03a362 in XrdClientPhyConnection::ReadRaw
(this=0x2aaaac001240, buf=0x134b2fa0, len=8, substreamid=-1, 
    usedsubstreamid=0x42e08d9c) at
/usr/src/debug/xrootd/xrootd/src/XrdClient/XrdClientPhyConnection.cc:359
#3  0x000000320a03d458 in XrdClientMessage::ReadRaw (this=0x134b2f60,
phy=0x2aaaac001240)
    at /usr/src/debug/xrootd/xrootd/src/XrdClient/XrdClientMessage.cc:152
#4  0x000000320a039b1c in XrdClientPhyConnection::BuildMessage
(this=0x2aaaac001240, IgnoreTimeouts=true, Enqueue=true)
    at
/usr/src/debug/xrootd/xrootd/src/XrdClient/XrdClientPhyConnection.cc:440
#5  0x000000320a03a152 in SocketReaderThread (arg=0x2aaaac001240, thr=<value
optimized out>)
    at
/usr/src/debug/xrootd/xrootd/src/XrdClient/XrdClientPhyConnection.cc:57
#6  0x0000003209c1be7f in XrdSysThread_Xeq (myargs=<value optimized out>)
    at /usr/src/debug/xrootd/xrootd/src/XrdSys/XrdSysPthread.cc:67
#7  0x0000003cf620677d in start_thread () from /lib64/libpthread.so.0
#8  0x0000003cf5ad30dd in clone () from /lib64/libc.so.6

Thread 1 (Thread 0x40bb1940 (LWP 16658)):
#0  0x0000003cf5a99031 in nanosleep () from /lib64/libc.so.6
#1  0x0000003cf5a98e54 in sleep () from /lib64/libc.so.6
#2  0x000000320a032a9f in GarbageCollectorThread (arg=0x13485d10, thr=<value
optimized out>)
    at /usr/src/debug/xrootd/xrootd/src/XrdClient/XrdClientConnMgr.cc:73
#3  0x0000003209c1be7f in XrdSysThread_Xeq (myargs=<value optimized out>)
    at /usr/src/debug/xrootd/xrootd/src/XrdSys/XrdSysPthread.cc:67
#4  0x0000003cf620677d in start_thread () from /lib64/libpthread.so.0
#5  0x0000003cf5ad30dd in clone () from /lib64/libc.so.6




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