Hi Andrew,
When checking the old log. I found the xrootd server was
restarted. Sorry.
Wen
On Tue, Oct 13, 2009 at 9:01 PM, Andrew Hanushevsky
<[log in to unmask]> wrote:
> Hi Wen,
>
> Could you send the corresponding xrootd log in the time frame:
> 091009 22:23:00 to 091009 22:24:00?
>
> Andy
>
> On Tue, 13 Oct 2009, wen guan wrote:
>
>> Hi Andrew,
>>
>>> I assume that you started xrootd with the -d option as the XrdCnsd is
>>> producing a full trace. Yes?
>>
>> yes.
>>
>>> The only "problem" here that I see is that it claims it lost the
>>> connection
>>> to the xrootd server. Did you kill the server or restart it at
>>> 091009 22:23:31?
>>
>> No. I haven't kill the xrootd server. I think it received a event ""
>> which caused it lost connection.
>>
>> Wen
>>
>>
>>>
>>> On Tue, 13 Oct 2009, wen guan wrote:
>>>
>>>> Hi Andrew,
>>>>
>>>> When using xrootd-20090904, XrdCnsd still has some problem.
>>>> Sometimes(2 times in 3 days are found) xrdcnsd prints some errors
>>>> below and then no response.
>>>> (*)
>>>> 091009 21:20:07 15685 XrdCnsdoEvents: Event:
>>>> 'haifeng.32505:22@pcuwsun30 create 664
>>>>
>>>>
>>>> /xrootd/users/russlan/mc_112911_ttbar_mcnlo_10TeV_ee.e111_a86_dmp95_tid000908/DUMP/DUM.000908._00570005.pool.root.4?'
>>>> 091009 21:20:07 15685 XrdCnsXeq: thread started
>>>> 091009 21:20:07 15685 XrdCnsdoEvents: Event:
>>>> 'haifeng.32505:22@pcuwsun30 closew
>>>>
>>>>
>>>> /xrootd/users/russlan/mc_112911_ttbar_mcnlo_10TeV_ee.e111_a86_dmp95_tid000908/DUMP/DUM.000908._00570005.pool.root.4
>>>> 12317450'
>>>> 091009 21:29:52 15685 XrdCnsdoEvents: Event:
>>>> 'haifeng.6132:20@pcuwsun20 create 664
>>>>
>>>>
>>>> /xrootd/users/russlan/mc_112911_ttbar_mcnlo_10TeV_ee.e111_a86_dmp95_tid000908/AOD/AOD.000908._00570003.pool.root.4?'
>>>> 091009 21:29:52 15685 XrdCnsXeq: thread started
>>>> 091009 21:29:52 15685 XrdCnsdoEvents: Event:
>>>> 'haifeng.6132:20@pcuwsun20 closew
>>>>
>>>>
>>>> /xrootd/users/russlan/mc_112911_ttbar_mcnlo_10TeV_ee.e111_a86_dmp95_tid000908/AOD/AOD.000908._00570003.pool.root.4
>>>> 47660354'
>>>> 091009 21:32:07 15685 XrdCnsSched: running underused thread monitor
>>>> inq=0
>>>> 091009 21:32:07 15685 XrdCnsSched: 2 threads; 1 idle
>>>> 091009 21:32:07 15685 XrdCnsSched: scheduling underused thread monitor
>>>> in 780 seconds
>>>> 091009 21:33:03 15685 XrdCnsdoEvents: Event:
>>>> 'haifeng.11089:22@pcuwsun22 create 664
>>>>
>>>>
>>>> /xrootd/users/russlan/mc_112911_ttbar_mcnlo_10TeV_ee.e111_a86_dmp95_tid000908/DUMP/DUM.000908._00530003.pool.root.4?'
>>>> 091009 21:33:03 15685 XrdCnsdoEvents: Event:
>>>> 'haifeng.11089:22@pcuwsun22 closew
>>>>
>>>>
>>>> /xrootd/users/russlan/mc_112911_ttbar_mcnlo_10TeV_ee.e111_a86_dmp95_tid000908/DUMP/DUM.000908._00530003.pool.root.4
>>>> 12482563'
>>>> 091009 21:37:25 15685 XrdCnsdoEvents: Event:
>>>> 'haifeng.11685:20@pcuwsun22 create 664
>>>>
>>>>
>>>> /xrootd/users/russlan/mc_112911_ttbar_mcnlo_10TeV_ee.e111_a86_dmp95_tid000908/LOG/sim.000908._00560015.log.4?'
>>>> 091009 21:37:25 15685 XrdCnsdoEvents: Event:
>>>> 'haifeng.11685:20@pcuwsun22 closew
>>>>
>>>>
>>>> /xrootd/users/russlan/mc_112911_ttbar_mcnlo_10TeV_ee.e111_a86_dmp95_tid000908/LOG/sim.000908._00560015.log.4
>>>> 4568199'
>>>> 091009 21:45:07 15685 XrdCnsSched: running underused thread monitor
>>>> inq=0
>>>> 091009 21:45:07 15685 XrdCnsSched: 2 threads; 1 idle
>>>> 091009 21:45:07 15685 XrdCnsSched: scheduling underused thread monitor
>>>> in 780 seconds
>>>> 091009 21:54:13 15685 XrdCnsdoEvents: Event:
>>>> 'haifeng.11106:22@pcuwsun31 create 664
>>>>
>>>>
>>>> /xrootd/users/russlan/mc_112911_ttbar_mcnlo_10TeV_ee.e111_a86_dmp95_tid000908/DUMP/DUM.000908._00550005.pool.root.4?'
>>>> 091009 21:54:13 15685 XrdCnsXeq: thread started
>>>> 091009 21:54:13 15685 XrdCnsdoEvents: Event:
>>>> 'haifeng.11106:22@pcuwsun31 closew
>>>>
>>>>
>>>> /xrootd/users/russlan/mc_112911_ttbar_mcnlo_10TeV_ee.e111_a86_dmp95_tid000908/DUMP/DUM.000908._00550005.pool.root.4
>>>> 12460586'
>>>> 091009 21:58:07 15685 XrdCnsSched: running underused thread monitor
>>>> inq=0
>>>> 091009 21:58:07 15685 XrdCnsSched: 2 threads; 1 idle
>>>> 091009 21:58:07 15685 XrdCnsSched: scheduling underused thread monitor
>>>> in 780 seconds
>>>> 091009 22:11:07 15685 XrdCnsSched: running underused thread monitor
>>>> inq=0
>>>> 091009 22:11:07 15685 XrdCnsSched: 2 threads; 1 idle
>>>> 091009 22:11:07 15685 XrdCnsSched: scheduling underused thread monitor
>>>> in 780 seconds
>>>> 091009 22:23:31 15685 XrdCnsdoEvents: Event: ''
>>>> 091009 22:23:31 15685 XrdCnsdoEvents: traceid missing in event ?
>>>> 091009 22:23:31 15685 XrdCnsdoEvents: Exiting; lost event connection to
>>>> xrootd!
>>>>
>>>>
>>>> Wen
>>>>
>>>> On Sun, Oct 11, 2009 at 4:23 PM, Andrew Hanushevsky
>>>> <[log in to unmask]> wrote:
>>>>>
>>>>> Hi Wen,
>>>>>
>>>>> Could be but I will ask the client developer about it. For now, let's
>>>>> let
>>>>> it
>>>>> run idle for a while and hen see if it gets itself into that state.
>>>>>
>>>>> Andy
>>>>>
>>>>> On Sat, 10 Oct 2009, wen guan wrote:
>>>>>
>>>>>> Hi andrew,
>>>>>>
>>>>>> I only found it happened in slc5 machines with version
>>>>>> xrootd-20090623(x86_64_linux_26,g++ (GCC) 3.4.6 20060404 (Red Hat
>>>>>> 3.4.6-9) binary version) . Sometimes I even cannot kill "XrdCnsd" with
>>>>>> "Kill" command. I need to use "Kill -9 " to kill it.
>>>>>> Last night I downloaded xrootd-20090904 src version and compiled it
>>>>>> locally. Until now I haven't found this problem again. Maybe the
>>>>>> problem is related to gcc.
>>>>>>
>>>>>> Thanks
>>>>>> Wen
>>>>>>
>>>>>> On Sat, Oct 10, 2009 at 3:17 AM, Andrew Hanushevsky
>>>>>> <[log in to unmask]> wrote:
>>>>>>>
>>>>>>> Hi Wen,
>>>>>>>
>>>>>>> OK. Does this only happen in SLC5 or does it happen in all kernels.
>>>>>>>
>>>>>>> Andy
>>>>>>>
>>>>>>> On Fri, 9 Oct 2009, wen guan wrote:
>>>>>>>
>>>>>>>> Hi Andrew,
>>>>>>>>
>>>>>>>> For newly started XrdCnsd, when doing a xrdcp, the
>>>>>>>> disappeared "poll" thread will appear again and an shadow will be
>>>>>>>> created in cns server. But for old Xrdcnsd, when doing xrdcp, no
>>>>>>>> "poll" thread will be started. no shadow will be created in cns
>>>>>>>> server.
>>>>>>>>
>>>>>>>> Wen
>>>>>>>>
>>>>>>>> On Fri, Oct 9, 2009 at 12:58 AM, Andrew Hanushevsky
>>>>>>>> <[log in to unmask]>
>>>>>>>> wrote:
>>>>>>>>>
>>>>>>>>> Hi Wen,
>>>>>>>>>
>>>>>>>>> I guess I don't understand the actual problem. When you say 'not
>>>>>>>>> respond"
>>>>>>>>> what do you actually see to come to that conclusion. As for the
>>>>>>>>> analysis,
>>>>>>>>> and stack traces, these are all perfectly normal. The "poll" thread
>>>>>>>>> need
>>>>>>>>> not
>>>>>>>>> exist at all times and, in fact, will disappear after a long period
>>>>>>>>> of
>>>>>>>>> inactivity. I will look some more but I need to know what "no
>>>>>>>>> response"
>>>>>>>>> appears like.
>>>>>>>>>
>>>>>>>>> Andy
>>>>>>>>>
>>>>>>>>> ----- Original Message ----- From: "wen guan"
>>>>>>>>> <[log in to unmask]>
>>>>>>>>> To: <[log in to unmask]>
>>>>>>>>> Sent: Tuesday, October 06, 2009 12:46 PM
>>>>>>>>> Subject: XrdCnsd problem in slc5 with version xrootd-20090623
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>> Hi,
>>>>>>>>>>
>>>>>>>>>> The XrdCnsd in xrootd-20090623 failed to create cns
>>>>>>>>>> frequestly.
>>>>>>>>>> When starting XrdCnsd, it works fine. But when trying it next day,
>>>>>>>>>> it
>>>>>>>>>> will not response. Below is the test result.
>>>>>>>>>>
>>>>>>>>>> It seems the "poll" thread cannot be started for old
>>>>>>>>>> XrdCnsd(started
>>>>>>>>>> more than one day and there is no active in long time(maybe
>>>>>>>>>> 780s)).
>>>>>>>>>> For (*), Process 10816 was an old XrdCnsd(started more than one
>>>>>>>>>> day)
>>>>>>>>>> process which didn't response. After killed it, a new process
>>>>>>>>>> 13665
>>>>>>>>>> was created which worked fine. From here we can see process 13665
>>>>>>>>>> had
>>>>>>>>>> a thread "poll"(thread 2) but process 10816 didn't have it.
>>>>>>>>>> For (**), When there was no files copied to xrootd for 10
>>>>>>>>>> minutes,
>>>>>>>>>> the "poll" thread in Process 13665 disappeared. But when I did a
>>>>>>>>>> xrdcp to this server. We will saw this "poll" thread again. But
>>>>>>>>>> for
>>>>>>>>>> process which has on active for long time, the "poll" thread
>>>>>>>>>> cannot
>>>>>>>>>> be
>>>>>>>>>> restart again.
>>>>>>>>>>
>>>>>>>>>> (*)
>>>>>>>>>> [root@pcuwdata12 ~]# ps -ef|grep xrootd-2
>>>>>>>>>> xrootd 10798 1 0 Oct02 ? 00:21:21
>>>>>>>>>> /opt/xrootd-20090623/bin//xrootd -b -d -R xrootd -l
>>>>>>>>>> /tmp/log/xrootd/xrd.log -c
>>>>>>>>>> /opt/xrootd-20090623/conf/xrdcluster.cfg
>>>>>>>>>> xrootd 10809 1 0 Oct02 ? 00:00:05
>>>>>>>>>> /opt/xrootd-20090623/bin//cmsd -b -d -R xrootd -l
>>>>>>>>>> /tmp/log/xrootd/cms.log -c
>>>>>>>>>> /opt/xrootd-20090623/conf/xrdcluster.cfg
>>>>>>>>>> xrootd 10816 10798 0 Oct02 ? 00:00:00
>>>>>>>>>> /opt/xrootd-20090623/bin/XrdCnsd -d -l /tmp/log/xrootd/cnsd.log
>>>>>>>>>> root://pcuwsun04.cern.ch:1095
>>>>>>>>>> root 13452 13340 0 20:59 pts/1 00:00:00 grep xrootd-2
>>>>>>>>>> [root@pcuwdata12 ~]# pstack 10816
>>>>>>>>>> Thread 7 (Thread 0x410cf940 (LWP 10826)):
>>>>>>>>>> #0 0x000000370e40ae00 in pthread_cond_timedwait@@GLIBC_2.3.2 ()
>>>>>>>>>> #1 0x0000000000479707 in XrdSysCondVar::Wait ()
>>>>>>>>>> #2 0x000000000047b8e9 in XrdScheduler::TimeSched ()
>>>>>>>>>> #3 0x000000000047a21d in XrdStartTSched ()
>>>>>>>>>> #4 0x0000000000479637 in XrdSysThread_Xeq ()
>>>>>>>>>> #5 0x000000370e4064a7 in start_thread () from
>>>>>>>>>> /lib64/libpthread.so.0
>>>>>>>>>> #6 0x000000370d8d3c2d in clone () from /lib64/libc.so.6
>>>>>>>>>> Thread 6 (Thread 0x416ed940 (LWP 10827)):
>>>>>>>>>> #0 0x000000370e40c9b1 in sem_wait () from /lib64/libpthread.so.0
>>>>>>>>>> #1 0x000000000041ffb7 in XrdSysSemaphore::Wait ()
>>>>>>>>>> #2 0x000000000047ae11 in XrdScheduler::Run ()
>>>>>>>>>> #3 0x000000000047a241 in XrdStartWorking ()
>>>>>>>>>> #4 0x0000000000479637 in XrdSysThread_Xeq ()
>>>>>>>>>> #5 0x000000370e4064a7 in start_thread () from
>>>>>>>>>> /lib64/libpthread.so.0
>>>>>>>>>> #6 0x000000370d8d3c2d in clone () from /lib64/libc.so.6
>>>>>>>>>> Thread 5 (Thread 0x417ee940 (LWP 10828)):
>>>>>>>>>> #0 0x000000370e40c9b1 in sem_wait () from /lib64/libpthread.so.0
>>>>>>>>>> #1 0x000000000041ffb7 in XrdSysSemaphore::Wait ()
>>>>>>>>>> #2 0x000000000047ae11 in XrdScheduler::Run ()
>>>>>>>>>> #3 0x000000000047a241 in XrdStartWorking ()
>>>>>>>>>> #4 0x0000000000479637 in XrdSysThread_Xeq ()
>>>>>>>>>> #5 0x000000370e4064a7 in start_thread () from
>>>>>>>>>> /lib64/libpthread.so.0
>>>>>>>>>> #6 0x000000370d8d3c2d in clone () from /lib64/libc.so.6
>>>>>>>>>> Thread 4 (Thread 0x418ef940 (LWP 10834)):
>>>>>>>>>> #0 0x000000370e40d5cb in read () from /lib64/libpthread.so.0
>>>>>>>>>> #1 0x00000000004736b9 in XrdOucStream::GetLine ()
>>>>>>>>>> #2 0x000000000041eb06 in XrdCnsDaemon::getEvents ()
>>>>>>>>>> #3 0x000000000041dcfc in CnsEvents ()
>>>>>>>>>> #4 0x0000000000479637 in XrdSysThread_Xeq ()
>>>>>>>>>> #5 0x000000370e4064a7 in start_thread () from
>>>>>>>>>> /lib64/libpthread.so.0
>>>>>>>>>> #6 0x000000370d8d3c2d in clone () from /lib64/libc.so.6
>>>>>>>>>> Thread 3 (Thread 0x419f0940 (LWP 10835)):
>>>>>>>>>> #0 0x000000370e40d174 in __lll_lock_wait () from
>>>>>>>>>> /lib64/libpthread.so.0
>>>>>>>>>> #1 0x000000370e408aca in _L_lock_1034 () from
>>>>>>>>>> /lib64/libpthread.so.0
>>>>>>>>>> #2 0x000000370e40898c in pthread_mutex_lock () from
>>>>>>>>>> /lib64/libpthread.so.0
>>>>>>>>>> #3 0x000000000041ff5b in XrdSysMutex::Lock ()
>>>>>>>>>> #4 0x000000000041f6d4 in XrdCnsEvent::Queue ()
>>>>>>>>>> #5 0x000000000041ee43 in XrdCnsDaemon::getEvents ()
>>>>>>>>>> #6 0x000000000041dcfc in CnsEvents ()
>>>>>>>>>> #7 0x0000000000479637 in XrdSysThread_Xeq ()
>>>>>>>>>> #8 0x000000370e4064a7 in start_thread () from
>>>>>>>>>> /lib64/libpthread.so.0
>>>>>>>>>> #9 0x000000370d8d3c2d in clone () from /lib64/libc.so.6
>>>>>>>>>> Thread 2 (Thread 0x41af1940 (LWP 11659)):
>>>>>>>>>> #0 0x000000370d89a0b1 in nanosleep () from /lib64/libc.so.6
>>>>>>>>>> #1 0x000000370d899ed4 in sleep () from /lib64/libc.so.6
>>>>>>>>>> #2 0x000000000044117a in GarbageCollectorThread ()
>>>>>>>>>> #3 0x000000000045413a in XrdClientThreadDispatcher ()
>>>>>>>>>> #4 0x0000000000479637 in XrdSysThread_Xeq ()
>>>>>>>>>> #5 0x000000370e4064a7 in start_thread () from
>>>>>>>>>> /lib64/libpthread.so.0
>>>>>>>>>> #6 0x000000370d8d3c2d in clone () from /lib64/libc.so.6
>>>>>>>>>> Thread 1 (Thread 0x2b53e8698db0 (LWP 10816)):
>>>>>>>>>> #0 0x000000370e40c9b1 in sem_wait () from /lib64/libpthread.so.0
>>>>>>>>>> #1 0x000000000041ffb7 in XrdSysSemaphore::Wait ()
>>>>>>>>>> #2 0x000000000041f8bd in XrdCnsEvent::Remove ()
>>>>>>>>>> #3 0x000000000041ea05 in XrdCnsDaemon::doRequests ()
>>>>>>>>>> #4 0x00000000004202d1 in main ()
>>>>>>>>>> [root@pcuwdata12 ~]# kill 10816
>>>>>>>>>> [root@pcuwdata12 ~]# kill 10816
>>>>>>>>>> -bash: kill: (10816) - No such process
>>>>>>>>>> [root@pcuwdata12 ~]# ps -ef|grep xrootd-2
>>>>>>>>>> xrootd 10798 1 0 Oct02 ? 00:21:21
>>>>>>>>>> /opt/xrootd-20090623/bin//xrootd -b -d -R xrootd -l
>>>>>>>>>> /tmp/log/xrootd/xrd.log -c
>>>>>>>>>> /opt/xrootd-20090623/conf/xrdcluster.cfg
>>>>>>>>>> xrootd 10809 1 0 Oct02 ? 00:00:05
>>>>>>>>>> /opt/xrootd-20090623/bin//cmsd -b -d -R xrootd -l
>>>>>>>>>> /tmp/log/xrootd/cms.log -c
>>>>>>>>>> /opt/xrootd-20090623/conf/xrdcluster.cfg
>>>>>>>>>> xrootd 13665 10798 0 21:03 ? 00:00:00
>>>>>>>>>> /opt/xrootd-20090623/bin/XrdCnsd -d -l /tmp/log/xrootd/cnsd.log
>>>>>>>>>> root://pcuwsun04.cern.ch:1095
>>>>>>>>>> root 13678 13340 0 21:03 pts/1 00:00:00 grep xrootd-2
>>>>>>>>>> [root@pcuwdata12 ~]# pstack 13665
>>>>>>>>>> Thread 8 (Thread 0x4074b940 (LWP 13666)):
>>>>>>>>>> #0 0x000000370e40ae00 in pthread_cond_timedwait@@GLIBC_2.3.2 ()
>>>>>>>>>> #1 0x0000000000479707 in XrdSysCondVar::Wait ()
>>>>>>>>>> #2 0x000000000047b8e9 in XrdScheduler::TimeSched ()
>>>>>>>>>> #3 0x000000000047a21d in XrdStartTSched ()
>>>>>>>>>> #4 0x0000000000479637 in XrdSysThread_Xeq ()
>>>>>>>>>> #5 0x000000370e4064a7 in start_thread () from
>>>>>>>>>> /lib64/libpthread.so.0
>>>>>>>>>> #6 0x000000370d8d3c2d in clone () from /lib64/libc.so.6
>>>>>>>>>> Thread 7 (Thread 0x41b0f940 (LWP 13667)):
>>>>>>>>>> #0 0x000000370e40c9b1 in sem_wait () from /lib64/libpthread.so.0
>>>>>>>>>> #1 0x000000000041ffb7 in XrdSysSemaphore::Wait ()
>>>>>>>>>> #2 0x000000000047ae11 in XrdScheduler::Run ()
>>>>>>>>>> #3 0x000000000047a241 in XrdStartWorking ()
>>>>>>>>>> #4 0x0000000000479637 in XrdSysThread_Xeq ()
>>>>>>>>>> #5 0x000000370e4064a7 in start_thread () from
>>>>>>>>>> /lib64/libpthread.so.0
>>>>>>>>>> #6 0x000000370d8d3c2d in clone () from /lib64/libc.so.6
>>>>>>>>>> Thread 6 (Thread 0x41d8c940 (LWP 13668)):
>>>>>>>>>> #0 0x000000370e40c9b1 in sem_wait () from /lib64/libpthread.so.0
>>>>>>>>>> #1 0x000000000041ffb7 in XrdSysSemaphore::Wait ()
>>>>>>>>>> #2 0x000000000047ae11 in XrdScheduler::Run ()
>>>>>>>>>> #3 0x000000000047a241 in XrdStartWorking ()
>>>>>>>>>> #4 0x0000000000479637 in XrdSysThread_Xeq ()
>>>>>>>>>> #5 0x000000370e4064a7 in start_thread () from
>>>>>>>>>> /lib64/libpthread.so.0
>>>>>>>>>> #6 0x000000370d8d3c2d in clone () from /lib64/libc.so.6
>>>>>>>>>> Thread 5 (Thread 0x41e8d940 (LWP 13669)):
>>>>>>>>>> #0 0x000000370e40d5cb in read () from /lib64/libpthread.so.0
>>>>>>>>>> #1 0x00000000004736b9 in XrdOucStream::GetLine ()
>>>>>>>>>> #2 0x000000000041eb06 in XrdCnsDaemon::getEvents ()
>>>>>>>>>> #3 0x000000000041dcfc in CnsEvents ()
>>>>>>>>>> #4 0x0000000000479637 in XrdSysThread_Xeq ()
>>>>>>>>>> #5 0x000000370e4064a7 in start_thread () from
>>>>>>>>>> /lib64/libpthread.so.0
>>>>>>>>>> #6 0x000000370d8d3c2d in clone () from /lib64/libc.so.6
>>>>>>>>>> Thread 4 (Thread 0x41f8e940 (LWP 13670)):
>>>>>>>>>> #0 0x000000370e40d5cb in read () from /lib64/libpthread.so.0
>>>>>>>>>> #1 0x00000000004736b9 in XrdOucStream::GetLine ()
>>>>>>>>>> #2 0x000000000041eb06 in XrdCnsDaemon::getEvents ()
>>>>>>>>>> #3 0x000000000041dcfc in CnsEvents ()
>>>>>>>>>> #4 0x0000000000479637 in XrdSysThread_Xeq ()
>>>>>>>>>> #5 0x000000370e4064a7 in start_thread () from
>>>>>>>>>> /lib64/libpthread.so.0
>>>>>>>>>> #6 0x000000370d8d3c2d in clone () from /lib64/libc.so.6
>>>>>>>>>> Thread 3 (Thread 0x4208f940 (LWP 13671)):
>>>>>>>>>> #0 0x000000370d89a0b1 in nanosleep () from /lib64/libc.so.6
>>>>>>>>>> #1 0x000000370d899ed4 in sleep () from /lib64/libc.so.6
>>>>>>>>>> #2 0x000000000044117a in GarbageCollectorThread ()
>>>>>>>>>> #3 0x000000000045413a in XrdClientThreadDispatcher ()
>>>>>>>>>> #4 0x0000000000479637 in XrdSysThread_Xeq ()
>>>>>>>>>> #5 0x000000370e4064a7 in start_thread () from
>>>>>>>>>> /lib64/libpthread.so.0
>>>>>>>>>> #6 0x000000370d8d3c2d in clone () from /lib64/libc.so.6
>>>>>>>>>> Thread 2 (Thread 0x41279940 (LWP 13672)):
>>>>>>>>>> #0 0x000000370d8cae46 in poll () from /lib64/libc.so.6
>>>>>>>>>> #1 0x000000000046b945 in XrdClientSock::RecvRaw ()
>>>>>>>>>> #2 0x000000000044e08c in XrdClientPhyConnection::ReadRaw ()
>>>>>>>>>> #3 0x000000000044ac3e in XrdClientMessage::ReadRaw ()
>>>>>>>>>> #4 0x000000000044e84c in XrdClientPhyConnection::BuildMessage ()
>>>>>>>>>> #5 0x000000000044b730 in SocketReaderThread ()
>>>>>>>>>> #6 0x000000000045413a in XrdClientThreadDispatcher ()
>>>>>>>>>> #7 0x0000000000479637 in XrdSysThread_Xeq ()
>>>>>>>>>> #8 0x000000370e4064a7 in start_thread () from
>>>>>>>>>> /lib64/libpthread.so.0
>>>>>>>>>> #9 0x000000370d8d3c2d in clone () from /lib64/libc.so.6
>>>>>>>>>> Thread 1 (Thread 0x2b06bb478db0 (LWP 13665)):
>>>>>>>>>> #0 0x000000370e40c9b1 in sem_wait () from /lib64/libpthread.so.0
>>>>>>>>>> #1 0x000000000041ffb7 in XrdSysSemaphore::Wait ()
>>>>>>>>>> #2 0x000000000041f8bd in XrdCnsEvent::Remove ()
>>>>>>>>>> #3 0x000000000041ea05 in XrdCnsDaemon::doRequests ()
>>>>>>>>>> #4 0x00000000004202d1 in main ()
>>>>>>>>>> [root@pcuwdata12 ~]#
>>>>>>>>>> [root@pcuwdata12 ~]#
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>> (***) cnsd.log
>>>>>>>>>> 091006 20:56:10 1828 XrdCnsSched: running underused thread monitor
>>>>>>>>>> inq=0
>>>>>>>>>> 091006 20:56:10 1828 XrdCnsSched: 2 threads; 1 idle
>>>>>>>>>> 091006 20:56:10 1828 XrdCnsSched: scheduling underused thread
>>>>>>>>>> monitor
>>>>>>>>>> in 780 seconds
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>> Thanks
>>>>>>>>>> Wen
>>>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>>>>
>>>>>
>>>
>
