URL:
<http://savannah.cern.ch/bugs/?87507>
Summary: Segfault in Xrootd startup
Project: XROOTD
Submitted by: bbockelm
Submitted on: 2011-10-06 15:46
Severity: 3 - Normal
Priority: 5 - Normal
Status: None
Privacy: Public
Assigned to: None
Originator Email:
Open/Closed: Open
Discussion Lock: Any
Fixed by commit(s):
_______________________________________________________
Details:
It seems the race condition with the XrdCmsFinder is still around. I get the
following stack trace for 3.1.0-rc1, which includes Andy's fix from Sept 19.
Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread 0x40908940 (LWP 1369)]
XrdNet::Trim (this=0x0, hname=0x64209c "xrootd-itb") at
/usr/src/debug/xrootd/xrootd/src/XrdNet/XrdNet.cc:258
258 if (Domlen && k > Domlen)
(gdb) thread apply all bt
[New Thread 0x40a09940 (LWP 1370)]
Thread 11 (Thread 0x40a09940 (LWP 1370)):
#0 0x0000003d29ad3f31 in clone () from /lib64/libc.so.6
#1 0x0000003d2a206660 in ?? () from /lib64/libpthread.so.0
#2 0x0000000040a09940 in ?? ()
#3 0x0000000000000000 in ?? ()
Thread 10 (Thread 0x40908940 (LWP 1369)):
#0 XrdNet::Trim (this=0x0, hname=0x64209c "xrootd-itb") at
/usr/src/debug/xrootd/xrootd/src/XrdNet/XrdNet.cc:258
#1 0x00002aaaab181a64 in XrdLink::Alloc (Peer=..., opts=0) at
/usr/src/debug/xrootd/xrootd/src/Xrd/XrdLink.cc:232
#2 0x00002aaaab17ef3e in XrdInet::Connect (this=0x63d220, host=<value
optimized out>, port=1213, opts=<value optimized out>,
tmo=<value optimized out>) at
/usr/src/debug/xrootd/xrootd/src/Xrd/XrdInet.cc:84
#3 0x00002aaaaaaf2164 in XrdCmsClientMan::Hookup (this=0x640140) at
/usr/src/debug/xrootd/xrootd/src/XrdCms/XrdCmsClientMan.cc:300
#4 0x00002aaaaaaf264a in XrdCmsClientMan::Start (this=0x640140) at
/usr/src/debug/xrootd/xrootd/src/XrdCms/XrdCmsClientMan.cc:202
#5 0x00002aaaab156ec7 in XrdSysThread_Xeq (myargs=<value optimized out>) at
/usr/src/debug/xrootd/xrootd/src/XrdSys/XrdSysPthread.cc:87
#6 0x0000003d2a20673d in start_thread () from /lib64/libpthread.so.0
#7 0x0000003d29ad3f6d in clone () from /lib64/libc.so.6
Thread 9 (Thread 0x40807940 (LWP 1368)):
#0 0x0000003d2a20e1c1 in nanosleep () from /lib64/libpthread.so.0
#1 0x00002aaaaaaecdf1 in XrdAccConfig_Refresh (start_data=<value optimized
out>) at /usr/src/debug/xrootd/xrootd/src/XrdAcc/XrdAccConfig.cc:85
#2 0x00002aaaab156ec7 in XrdSysThread_Xeq (myargs=<value optimized out>) at
/usr/src/debug/xrootd/xrootd/src/XrdSys/XrdSysPthread.cc:87
#3 0x0000003d2a20673d in start_thread () from /lib64/libpthread.so.0
#4 0x0000003d29ad3f6d in clone () from /lib64/libc.so.6
Thread 8 (Thread 0x40706940 (LWP 1367)):
#0 0x0000003d29acb186 in poll () from /lib64/libc.so.6
#1 0x00002aaaab18370e in XrdPollPoll::Start (this=0x63c330, syncsem=<value
optimized out>, retcode=<value optimized out>)
at /usr/src/debug/xrootd/xrootd/src/Xrd/XrdPollPoll.icc:261
#2 0x00002aaaab1822d8 in XrdStartPolling (parg=<value optimized out>) at
/usr/src/debug/xrootd/xrootd/src/Xrd/XrdPoll.cc:87
#3 0x00002aaaab156ec7 in XrdSysThread_Xeq (myargs=<value optimized out>) at
/usr/src/debug/xrootd/xrootd/src/XrdSys/XrdSysPthread.cc:87
#4 0x0000003d2a20673d in start_thread () from /lib64/libpthread.so.0
#5 0x0000003d29ad3f6d in clone () from /lib64/libc.so.6
Thread 7 (Thread 0x40605940 (LWP 1366)):
#0 0x0000003d29acb186 in poll () from /lib64/libc.so.6
#1 0x00002aaaab18370e in XrdPollPoll::Start (this=0x63b730, syncsem=<value
optimized out>, retcode=<value optimized out>)
at /usr/src/debug/xrootd/xrootd/src/Xrd/XrdPollPoll.icc:261
#2 0x00002aaaab1822d8 in XrdStartPolling (parg=<value optimized out>) at
/usr/src/debug/xrootd/xrootd/src/Xrd/XrdPoll.cc:87
#3 0x00002aaaab156ec7 in XrdSysThread_Xeq (myargs=<value optimized out>) at
/usr/src/debug/xrootd/xrootd/src/XrdSys/XrdSysPthread.cc:87
#4 0x0000003d2a20673d in start_thread () from /lib64/libpthread.so.0
#5 0x0000003d29ad3f6d in clone () from /lib64/libc.so.6
Thread 6 (Thread 0x40504940 (LWP 1365)):
#0 0x0000003d29acb186 in poll () from /lib64/libc.so.6
#1 0x00002aaaab18370e in XrdPollPoll::Start (this=0x6371d0, syncsem=<value
optimized out>, retcode=<value optimized out>)
at /usr/src/debug/xrootd/xrootd/src/Xrd/XrdPollPoll.icc:261
#2 0x00002aaaab1822d8 in XrdStartPolling (parg=<value optimized out>) at
/usr/src/debug/xrootd/xrootd/src/Xrd/XrdPoll.cc:87
#3 0x00002aaaab156ec7 in XrdSysThread_Xeq (myargs=<value optimized out>) at
/usr/src/debug/xrootd/xrootd/src/XrdSys/XrdSysPthread.cc:87
#4 0x0000003d2a20673d in start_thread () from /lib64/libpthread.so.0
#5 0x0000003d29ad3f6d in clone () from /lib64/libc.so.6
Thread 5 (Thread 0x40403940 (LWP 1364)):
---Type <return> to continue, or q <return> to quit---
#0 0x0000003d2a20cd01 in sem_wait () from /lib64/libpthread.so.0
#1 0x00002aaaab185b66 in Wait (this=0x2aaaaaf1b860) at
/usr/src/debug/xrootd/xrootd/src/XrdSys/XrdSysPthread.hh:317
#2 XrdScheduler::Run (this=0x2aaaaaf1b860) at
/usr/src/debug/xrootd/xrootd/src/Xrd/XrdScheduler.cc:260
#3 0x00002aaaab185d79 in XrdStartWorking (carg=0x2aaaaaf1b900) at
/usr/src/debug/xrootd/xrootd/src/Xrd/XrdScheduler.cc:65
#4 0x00002aaaab156ec7 in XrdSysThread_Xeq (myargs=<value optimized out>) at
/usr/src/debug/xrootd/xrootd/src/XrdSys/XrdSysPthread.cc:87
#5 0x0000003d2a20673d in start_thread () from /lib64/libpthread.so.0
#6 0x0000003d29ad3f6d in clone () from /lib64/libc.so.6
Thread 4 (Thread 0x40302940 (LWP 1363)):
#0 0x0000003d2a20cd01 in sem_wait () from /lib64/libpthread.so.0
#1 0x00002aaaab185b66 in Wait (this=0x2aaaaaf1b860) at
/usr/src/debug/xrootd/xrootd/src/XrdSys/XrdSysPthread.hh:317
#2 XrdScheduler::Run (this=0x2aaaaaf1b860) at
/usr/src/debug/xrootd/xrootd/src/Xrd/XrdScheduler.cc:260
#3 0x00002aaaab185d79 in XrdStartWorking (carg=0x2aaaaaf1b900) at
/usr/src/debug/xrootd/xrootd/src/Xrd/XrdScheduler.cc:65
#4 0x00002aaaab156ec7 in XrdSysThread_Xeq (myargs=<value optimized out>) at
/usr/src/debug/xrootd/xrootd/src/XrdSys/XrdSysPthread.cc:87
#5 0x0000003d2a20673d in start_thread () from /lib64/libpthread.so.0
#6 0x0000003d29ad3f6d in clone () from /lib64/libc.so.6
Thread 3 (Thread 0x40201940 (LWP 1362)):
#0 0x0000003d2a20b150 in pthread_cond_timedwait@@GLIBC_2.3.2 () from
/lib64/libpthread.so.0
#1 0x00002aaaab157062 in XrdSysCondVar::Wait (this=0x2aaaaaf1b950, sec=780)
at /usr/src/debug/xrootd/xrootd/src/XrdSys/XrdSysPthread.cc:130
#2 0x00002aaaab186332 in XrdScheduler::TimeSched (this=0x2aaaaaf1b860) at
/usr/src/debug/xrootd/xrootd/src/Xrd/XrdScheduler.cc:525
#3 0x00002aaaab186399 in XrdStartTSched (carg=0x2aaaaaf1b954) at
/usr/src/debug/xrootd/xrootd/src/Xrd/XrdScheduler.cc:59
#4 0x00002aaaab156ec7 in XrdSysThread_Xeq (myargs=<value optimized out>) at
/usr/src/debug/xrootd/xrootd/src/XrdSys/XrdSysPthread.cc:87
#5 0x0000003d2a20673d in start_thread () from /lib64/libpthread.so.0
#6 0x0000003d29ad3f6d in clone () from /lib64/libc.so.6
Thread 2 (Thread 0x40100940 (LWP 1361)):
#0 0x0000003d2a20b150 in pthread_cond_timedwait@@GLIBC_2.3.2 () from
/lib64/libpthread.so.0
#1 0x00002aaaab157062 in XrdSysCondVar::Wait (this=0x2aaaaaf1bb18, sec=1200)
at /usr/src/debug/xrootd/xrootd/src/XrdSys/XrdSysPthread.cc:130
#2 0x00002aaaab17e883 in XrdBuffManager::Reshape (this=0x2aaaaaf1ba10) at
/usr/src/debug/xrootd/xrootd/src/Xrd/XrdBuffer.cc:205
#3 0x00002aaaab17ebb9 in XrdReshaper (pp=0x2aaaaaf1bb1c) at
/usr/src/debug/xrootd/xrootd/src/Xrd/XrdBuffer.cc:35
#4 0x00002aaaab156ec7 in XrdSysThread_Xeq (myargs=<value optimized out>) at
/usr/src/debug/xrootd/xrootd/src/XrdSys/XrdSysPthread.cc:87
#5 0x0000003d2a20673d in start_thread () from /lib64/libpthread.so.0
#6 0x0000003d29ad3f6d in clone () from /lib64/libc.so.6
Thread 1 (Thread 0x2aaaab39d4a0 (LWP 1358)):
#0 0x0000003d29ad3f31 in clone () from /lib64/libc.so.6
#1 0x0000003d2a20719f in pthread_create@@GLIBC_2.2.5 () from
/lib64/libpthread.so.0
#2 0x00002aaaab156dc4 in XrdSysThread::Run (tid=0x7fffffffb688,
proc=0x2aaaaaaf3a10 <XrdCmsStartResp(void*)>, arg=0x0, opts=0,
tDesc=0x2aaaaaafd313 "async callback") at
/usr/src/debug/xrootd/xrootd/src/XrdSys/XrdSysPthread.cc:283
#3 0x00002aaaaaaf3bd0 in XrdCmsFinderRMT::StartManagers (this=<value
optimized out>, myManList=<value optimized out>)
at /usr/src/debug/xrootd/xrootd/src/XrdCms/XrdCmsFinder.cc:652
#4 0x00002aaaaaaf5fc8 in XrdCmsFinderRMT::Configure (this=0x63ff10,
cfn=0x63eb60 "/etc/xrootd/xrootd.cf", envP=0x7fffffffcf80)
at /usr/src/debug/xrootd/xrootd/src/XrdCms/XrdCmsFinder.cc:153
#5 0x00002aaaaaf2fbae in XrdOfs::ConfigRedir (this=0x2aaaab13b940,
Eroute=..., EnvInfo=0x7fffffffcf80)
at /usr/src/debug/xrootd/xrootd/src/XrdOfs/XrdOfsConfig.cc:454
#6 0x00002aaaaaf309a1 in XrdOfs::Configure (this=0x2aaaab13b940, Eroute=...,
EnvInfo=0x7fffffffcf80)
at /usr/src/debug/xrootd/xrootd/src/XrdOfs/XrdOfsConfig.cc:199
#7 0x00002aaaaaf2d8d8 in XrdSfsGetDefaultFileSystem (native_fs=<value
optimized out>, lp=<value optimized out>,
configfn=0x62c1e0 "/etc/xrootd/xrootd.cf", EnvInfo=0x7fffffffcf80) at
/usr/src/debug/xrootd/xrootd/src/XrdOfs/XrdOfsFS.cc:45
#8 0x00000000004112c6 in XrdXrootdProtocol::Configure (parms=<value
optimized out>, pi=0x2aaaaaf1b6c0)
at /usr/src/debug/xrootd/xrootd/src/XrdXrootd/XrdXrootdConfig.cc:234
#9 0x0000000000418519 in XrdgetProtocol (pname=<value optimized out>,
parms=0x3d0f00 <Address 0x3d0f00 out of bounds>, pi=0x2aaaaaf1b6c0)
---Type <return> to continue, or q <return> to quit---
at /usr/src/debug/xrootd/xrootd/src/XrdXrootd/XrdXrootdProtocol.cc:131
#10 0x00002aaaab184993 in XrdProtLoad::Load (lname=0x0, pname=0x636d60
"xrootd", parms=0x0, pi=0x2aaaaaf1b6c0)
at /usr/src/debug/xrootd/xrootd/src/Xrd/XrdProtLoad.cc:78
#11 0x00002aaaaad17ded in XrdConfig::Setup (this=0x2aaaaaf1b6c0, dfltp=<value
optimized out>)
at /usr/src/debug/xrootd/xrootd/src/Xrd/XrdConfig.cc:743
#12 0x00002aaaaad18b76 in XrdConfig::Configure (this=0x2aaaaaf1b6c0, argc=8,
argv=<value optimized out>)
at /usr/src/debug/xrootd/xrootd/src/Xrd/XrdConfig.cc:385
#13 0x00002aaaaad19474 in main (argc=8, argv=0x7fffffffd598) at
/usr/src/debug/xrootd/xrootd/src/Xrd/XrdMain.cc:154
#14 0x0000003d29a1d994 in __libc_start_main () from /lib64/libc.so.6
#15 0x000000000040b329 in _start ()
(gdb) q
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