Hi Fabrice,
I'd like to reproduce it to understand exactly what happens,
is there a way to repeat it on NCSA machines?
Cheers,
Andy
Fabrice Jammes wrote on 2015-03-13:
> Hi Andy,
>
> cmsd crash happen when starting worker node. I can easily test the fix
> if needed. It is blocking for in2p3 cluster install.
>
> Cheers,
>
> On 03/12/2015 11:04 PM, Salnikov, Andrei A. wrote:
>> Fabrice, can you tell me what did you do to make it crash?
>>
>> Cheers,
>> Andy
>>
>>
>> Andrew Hanushevsky wrote on 2015-03-12:
>>> Hi Andy,
>>>
>>> Just run what Fabrice ran and it will core right away since XrdSysError
>>> wasn't told about XrdSysLogger and eventually the message is routed to
>>> that object.
>>>
>>> Andy
>>>
>>> On Fri, 13 Mar 2015, Salnikov, Andrei A. wrote:
>>>
>>>> Hi Andy,
>>>>
>>>> I'm confused, the little piece of code below is the fix, right?
>>>> Is it possible for me to reproduce crash? I'll try to remember
>>>> tomorrow what I did for logging, maybe I could see it better.
>>>>
>>>> Cheers,
>>>> Andy
>>>>
>>>>
>>>> Andrew Hanushevsky wrote on 2015-03-12:
>>>>> Hi Andy,
>>>>>
>>>>> I don't think there is a fix for this. Could you fix it? I already
>>>>> have a Jira entry for rewriting that portion of the code once I get a
>>>>> handle on how to deal with the repo.
>>>>>
>>>>> Andy
>>>>>
>>>>> On Thu, 12 Mar 2015, Salnikov, Andrei A. wrote:
>>>>>
>>>>>> Hi Andy,
>>>>>>
>>>>>> sorry for the mess I created. I do not remember exactly what is
>>>>>> involved there, but if you say that it fixes it then I'm happy.
>>>>>> Are you going to make that fix or do you want me to do it? Is
>>>>>> there a ticket for it already?
>>>>>>
>>>>>> Cheers,
>>>>>> Andy
>>>>>>
>>>>>> Andrew Hanushevsky wrote on 2015-03-12:
>>>>>>> Hi Andy,
>>>>>>>
>>>>>>> Daniel told me that you did the log4cxx integration for this part
>>>>>>> of qserv. Unfortunately, the underlying xrootd object that send
>>>>>>> messages to the log was not initialized when the
>>>>>>> XrdOssGetSS(Logger, ...) is called. This results in a SEGV when a
>>>>>>> message is issued. I know this is old code and now there is a
>>>>>>> better way of doing all of this (and I will do that later) for now
>>>>>>> the way to fix this is simply insert this code snippedin the
>>>>>>> initalization section:
>>>>>>>
>>>>>>> #include "XrdSys/XrdSysError.hh"
>>>>>>>
>>>>>>> namespace XrdSsi
>>>>>>> {
>>>>>>> extern XrdSysError Log;
>>>>>>> };
>>>>>>>
>>>>>>> XrdSsi::Log.logger(Logger); // Logger is the arg in XrdOssGetSS()
>>>>>>>
>>>>>>> OK? Like I said this will become far simpler on the next iteration.
>>>>>>>
>>>>>>> Andy
>>>>>>>
>>>>>>> ---------- Forwarded message ----------
>>>>>>> Date: Thu, 12 Mar 2015 14:14:12 -0700
>>>>>>> From: Fabrice Jammes <[log in to unmask]>
>>>>>>> To: Andrew Hanushevsky <[log in to unmask]>
>>>>>>> Subject: cmsd core log
>>>>>>>
>>>>>>> Hi Andy,
>>>>>>>
>>>>>>> We introduced logging in this module a few months ago but our
>>>>>>> mono-node integration test doesn't launch cmsd, so it was never
>>>>>>> tested. It may be our logging library (lsst::log which relies on
>>>>>>> log4cxx) which is faulty?
>>>>>>>
>>>>>>> Thanks,
>>>>>>>
>>>>>>> Fabrice
>>>>>>>
>>>>>>> Program terminated with signal 11, Segmentation fault. #0
>>>>>>> 0x00007fdb86a9fc10 in pthread_mutex_lock () from
>>>>>>> /lib64/libpthread.so.0 Missing separate debuginfos, use:
>>>>>>> debuginfo-install expat-2.1.0- 8.el7.x86_64
>>>>>>> glibc-2.17-55.el7_0.5.x86_64 keyutils-libs-1.5.8-3.el7.x86_64
>>>>>>> krb5-libs-1.11.3-49.el7.x86_64 libcom_err-1.42.9-4.el7.x86_64
>>>>>>> libgcc-4.8.2-16.2.el7_0.x86_64 libicu-50.1.2-11.el7.x86_64
>>>>>>> libselinux-2.2.2-6.el7.x86_64 libstdc++-4.8.2-16.2.el7_0.x86_64
>>>>>>> nss-softokn-freebl-3.16.2.3-1.el7_0.x86_64
>>>>>>> openssl-libs-1.0.1e-34.el7_0.7.x86_64 pcre-8.32-12.el7.x86_64
>>>>>>> xz-libs-5.1.2-9alpha.el7.x86_64 zlib-1.2.7-13.el7.x86_64 (gdb)
>>>>>>> where #0 0x00007fdb86a9fc10 in pthread_mutex_lock () from
>>>>>>> /lib64/libpthread.so.0 #1 0x000000000041ed54 in XrdSysMutex::Lock
>>>>>>> (this=0x10) at
>>>>>>> /qserv/stack/EupsBuildDir/Linux64/xrootd-xssi-1.0.0/xrootd-xssi-
>>>>>>> 1.0.0/src/./XrdSys/XrdSysPthread.hh:149 #2 0x00007fdb86ceb2e6 in
>>>>>>> XrdSysLogger::Put (this=0x0, iovcnt=2, iov=0x7fff589f1800) at
>>>>>>> /qserv/stack/EupsBuildDir/Linux64/xrootd-xssi-1.0.0/xrootd-xssi-
>>>>>>> 1.0.0/src/XrdSys/XrdSysLogger.cc:270 #3 0x00007fdb86cea817 in
>>>>>>> XrdSysError::Say (this=0x7fdb7f3aa7e0 <XrdSsi::Log>,
>>>>>>> txt1=0x1f1efb8 "0312 20:09:50.451 [0x7fdb87464740] INFO QservOss
>>>>>>> (build/xrdoss/QservOss.cc:260) - QservOss Init", txt2=0x0,
>>>>>>> txt3=0x0, txt4=0x0, txt5=0x0, txt6=txt6@entry=0x0) at
>>>>>>> /qserv/stack/EupsBuildDir/Linux64/xrootd-xssi-1.0.0/xrootd-xssi-
>>>>>>> 1.0.0/src/XrdSys/XrdSysError.cc:163 #4 0x00007fdb7f19e638 in
>>>>>>> XrdSsiLogger::Msg (pfx=<optimized out>, txt1=<optimized out>,
>>>>>>> txt2=<optimized out>, txt3=<optimized out>)
>>>>>>> at
>>>>>>> /qserv/stack/EupsBuildDir/Linux64/xrootd-4.0.0rc3-
>>>>> qsClient2.lsst1/xrootd-
>>>>>>> 4.0.0rc3-qsClient2.lsst1/src/XrdSsi/XrdSsiLogger.cc:66 #5
>>>>>>> 0x00007fdb84f38a0d in lsst::qserv::wlog::XrootdAppender::append
>>>>>>> (this=0x1f2b9e0, event=..., p=...) at
> build/wlog/XrootdAppender.cc:57
>>>>> #6
>>>>>>> 0x00007fdb841ebd1e in log4cxx::AppenderSkeleton::doAppend
>>>>>>> (this=0x1f2b9e0, event=..., pool1=...) at appenderskeleton.cpp:142
>>>>>>> #7 0x00007fdb841e9df4 in
>>>>>>> log4cxx::helpers::AppenderAttachableImpl::appendLoopOnAppenders
>>>>>>> (this=0x1f2bd20, event=..., p=...) at
>>>>>>> appenderattachableimpl.cpp:69 #8 0x00007fdb8422f6d5 in
>>>>>>> log4cxx::Logger::callAppenders (this=this@entry=0x1f2bd90,
>>>>>>> event=..., p=...) at logger.cpp:93 #9 0x00007fdb8422fa1f in
>>>>>>> log4cxx::Logger::forcedLog (this=0x1f2bd90, level1=...,
>>>>>>> message="QservOss Init", location=...) at logger.cpp:124 #10
>>>>>>> 0x00007fdb84500412 in lsst::log::Log::vlog (logger=..., level=...,
>>>>>>> filename="build/xrdoss/QservOss.cc", funcname="virtual int
>>>>>>> lsst::qserv::xrdoss::QservOss::Init(XrdSysLogger*, const
> char*)",
>>>>>>> lineno=lineno@entry=260, fmt=fmt@entry=0x7fdb84f5a7bb
> "QservOss
>>>>>>> Init", args=args@entry=0x7fff589f2018) at src/Log.cc:357 #11
>>>>>>> 0x00007fdb84500734 in lsst::log::Log::log (logger=..., level=...,
>>>>>>> filename="build/xrdoss/QservOss.cc", funcname="virtual int
>>>>>>> lsst::qserv::xrdoss::QservOss::Init(XrdSysLogger*, const char*)",
>>>>>>> lineno=260,
>>>>>>> fmt=0x7fdb84f5a7bb "QservOss Init") at src/Log.cc:386
>>>>>>> #12 0x00007fdb84f4e4ac in lsst::qserv::xrdoss::QservOss::Init
>>>>>>> (this=0x1f1fab0, log=0x0, cfgFn=0x0) at
>>>>>>> build/xrdoss/QservOss.cc:260 #13 0x00007fdb84f4d4f7 in
>>>>>>> lsst::qserv::xrdoss::QservOss::QservOss รง(this=0x1f1fab0) at
>>>>>>> build/xrdoss/QservOss.cc:135 #14 0x00007fdb84f4d2f4 in
>>>>>>> lsst::qserv::xrdoss::QservOss::getInstance () at
>>>>>>> build/xrdoss/QservOss.cc:101 #15 0x00007fdb84f4e8f8 in
>>>>>>> XrdOssGetStorageSystem (native_oss=0x7fdb87253100
>>>>>>> <XrdOssGetSS(XrdSysLogger*, char const*, char const*, char const*,
>>>>>>> XrdOucEnv*, XrdVersionInfo&)::myOssSys>,
>>>>>>> Logger=0x65b3b8 <XrdMain::Config+248>, config_fn=0x1efec40
>>>>>>> "/qserv/qserv-run/etc/lsp.cf", parms=0x0) at
>>>>>>> build/xrdoss/QservOss.cc:293 #16 0x00007fdb86ff484d in XrdOssGetSS
>>>>>>> (Logger=0x65b3b8 <XrdMain::Config+248>, config_fn=0x1efec40
>>>>>>> "/qserv/qserv-run/etc/lsp.cf", OssLib=0x1efef70 "libxrdoss.so",
>>>>>>> OssParms=0x0, envP=0x0, urVer=...)
>>>>>>> at
>>>>>>> /qserv/stack/EupsBuildDir/Linux64/xrootd-xssi-1.0.0/xrootd-xssi-
>>>>>>> 1.0.0/src/XrdOss/XrdOssApi.cc:135 #17 0x000000000042f08d in
>>>>>>> XrdCmsConfig::ConfigOSS (this=0x65d340 <XrdCms::Config>) at
>>>>>>> /qserv/stack/EupsBuildDir/Linux64/xrootd-xssi-1.0.0/xrootd-xssi-
>>>>>>> 1.0.0/src/XrdCms/XrdCmsConfig.cc:777 #18 0x000000000042dbc8 in
>>>>>>> XrdCmsConfig::Configure2 (this=0x65d340 <XrdCms::Config>) at
>>>>>>> /qserv/stack/EupsBuildDir/Linux64/xrootd-xssi-1.0.0/xrootd-xssi-
>>>>>>> 1.0.0/src/XrdCms/XrdCmsConfig.cc:408 #19 0x0000000000443754 in
>>>>>>> XrdgetProtocol (pname=0x1eef920 "cmsd", parms=0x0, pi=0x65b2c0
>>>>>>> <XrdMain::Config>)
>>>>>>> at
>>>>>>> /qserv/stack/EupsBuildDir/Linux64/xrootd-xssi-1.0.0/xrootd-xssi-
>>>>>>> 1.0.0/src/XrdCms/XrdCmsProtocol.cc:121 #20 0x000000000041de24 in
>>>>>>> XrdProtLoad::getProtocol (lname=0x0, pname=0x1eef920 "cmsd",
>>>>>>> parms=0x0, pi=0x65b2c0 <XrdMain::Config>)
>>>>>>> at
>>>>>>> /qserv/stack/EupsBuildDir/Linux64/xrootd-xssi-1.0.0/xrootd-xssi-
>>>>>>> 1.0.0/src/Xrd/XrdProtLoad.cc:247 #21 0x000000000041d8b4 in
>>>>>>> XrdProtLoad::Load (lname=0x0, pname=0x1eef920 "cmsd", parms=0x0,
>>>>>>> pi=0x65b2c0 <XrdMain::Config>)
>>>>>>> at
>>>>>>> /qserv/stack/EupsBuildDir/Linux64/xrootd-xssi-1.0.0/xrootd-xssi-
>>>>>>> 1.0.0/src/Xrd/XrdProtLoad.cc:101 #22 0x000000000041a5b7 in
>>>>>>> XrdConfig::Setup (this=0x65b2c0 <XrdMain::Config>,
>>>>>>> dfltp=0x7fff589f3d4e "cmsd") at
>>>>>>> /qserv/stack/EupsBuildDir/Linux64/xrootd-xssi-1.0.0/xrootd-xssi-
>>>>>>> 1.0.0/src/Xrd/XrdConfig.cc:1028 #23 0x00000000004187de in
>>>>>>> XrdConfig::Configure (this=0x65b2c0 <XrdMain::Config>, argc=9,
>>>>>>> argv=0x7fff589f3318) at
>>>>>>> /qserv/stack/EupsBuildDir/Linux64/xrootd-xssi-1.0.0/xrootd-xssi-
>>>>>>> 1.0.0/src/Xrd/XrdConfig.cc:509 #24 0x000000000041f13b in main
>>>>>>> (argc=9, argv=0x7fff589f3318) at
>>>>>>> /qserv/stack/EupsBuildDir/Linux64/xrootd-xssi-1.0.0/xrootd-xssi-
>>>>>>> 1.0.0/src/Xrd/XrdMain.cc:179
>>>>>>
>>>>>>
>>>>
>>>>
>>
>>
>
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