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Re: [HTCondor-users] Segfault in condor_master, HTCondor 8.1.0 built from source on Mac OS Mountain Lion

Hi Leo,

What happens when you run under valgrind?

Alternately, that could be caused by mixing condor libraries from different releases.  Is that a possibility?


Sent from my iPhone

On Aug 15, 2013, at 5:46 PM, Leo Singer <lsinger@xxxxxxxxxxx> wrote:

> Hello,
> I am working on updating the MacPorts port of HTCondor to version 8.1.0. I have built HTCondor from the 'V8_1_0' tag on Mac OS X Mountain Lion. condor_master segfaults before any of the daemons start up. A backtrace obtained with gdb looks like this:
> Program received signal EXC_BAD_ACCESS, Could not access memory.
> Reason: KERN_INVALID_ADDRESS at address: 0x000000000000000b
> std::tr1::__detail::_Hashtable_iterator<std::pair<std::string const, classad::ExprTree*>, false, false>::_Hashtable_iterator () at /usr/include/c++/4.2.1/tr1/hashtable_policy.h:388
> 388          : _Hashtable_iterator_base<_Value, __cache>(*__b, __b) { }
> (gdb) bt
> #0  std::tr1::__detail::_Hashtable_iterator<std::pair<std::string const, classad::ExprTree*>, false, false>::_Hashtable_iterator () at /usr/include/c++/4.2.1/tr1/hashtable_policy.h:388
> #1  std::tr1::_Hashtable<std::string, std::pair<std::string const, classad::ExprTree*>, std::allocator<std::pair<std::string const, classad::ExprTree*> >, std::_Select1st<std::pair<std::string const, classad::ExprTree*> >, classad::CaseIgnEqStr, classad::ClassadAttrNameHash, std::tr1::__detail::_Mod_range_hashing, std::tr1::__detail::_Default_ranged_hash, std::tr1::__detail::_Prime_rehash_policy, false, false, true>::begin () at hashtable_policy.h:243
> #2  0x0000000100041373 in compat_classad::ClassAd::NextExpr (this=0x7fff5fbef910, name=@0x7fff5fbef908, value=@0x7fff5fbef900) at compat_classad.cpp:2082
> #3  0x0000000100145fd6 in SecMan::ExportSecSessionInfo (this=0x7fff5fbef910, session_id=0x100b25ac8 "45878d0b0300e8b03c28a833d439028997ef562356643f35", session_info=@0x7fff5fbefd78) at condor_secman.cpp:3067
> #4  0x000000010019273c in DaemonCore::Create_Process (priv=PRIV_ROOT, this=0x7fff5fbff3d0, executable=0x7fff5fbff3d0 "???_?", args=@0x7fff5fbff3d0, reaper_id=1606415312, want_command_port=1606415312, env=0x100b22b40, cwd=0x0, family_info=0x7fff5fbff6e8, sock_inherit_list=0x0, std=0x0, fd_inherit_list=0x0, nice_inc=0, sigmask=0x0, job_opt_mask=0, core_hard_limit=0x0, affinity_mask=0x0, daemon_sock=0x0, err_return_msg=0x0, remap=0x0, as_hard_limit=0) at daemon_core.cpp:6614
> #5  0x000000010000de7d in daemon::RealStart (this=0x7fff5fbff9e0) at masterDaemon.cpp:806
> #6  0x000000010000e399 in Daemons::StartDaemonHere (this=0x100b22ad0, daemon=0x100b23650) at masterDaemon.cpp:1916
> #7  0x000000010000e3eb in Daemons::StartAllDaemons (this=0x100b22ad0) at masterDaemon.cpp:1901
> #8  0x00000001000062d0 in main_init (argc=11676368, argv=0x100008450) at master.cpp:367
> #9  0x000000010019efca in dc_main (argc=1606417376, argv=0x7fff5fbffc10) at daemon_core_main.cpp:2528
> #10 0x00007fff926317e1 in start ()
> In stack frame #3 (SecMan::ExportSecSessionInfo in condor_secman.cpp), I noticed that exp_policy.chained_parent_ad is a pointer with the suspiciously low address 0xC.
> Any idea what is going wrong here?
> Thanks,
> Leo Singer
> Graduate Student @ LIGO-Caltech
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