[tao-bugs] Odp: Re: tao imr locator seg fault

Fri Jun 29 02:24:38 CDT 2018

Hi,

Thanks for using the PRF form. There is a lot of code in validate_ping,
can you use gdb to see where it exactly crashes and what the values are
of all variables?

Best regards,

Johnny Willemsen
Remedy IT
Postbus 81 | 6930 AB Westervoort | The Netherlands
http://www.remedy.nl

On 06/28/2018 09:47 PM, Tomasz Mikolajczyk wrote:
>  TAO VERSION: 2.4.6
>  ACE VERSION: 6.4.6
> 
> HOST MACHINE and OPERATING SYSTEM:
> Intel, cpu 16 cores, mem 128GB, Linux RHEL 7.3
> 
> COMPILER NAME AND VERSION (AND PATCHLEVEL):
> gcc 8.1
> 
> THE $ACE_ROOT/ace/config.h FILE:
> ace/config-linux.h
> 
> THE $ACE_ROOT/include/makeinclude/platform_macros.GNU FILE
> include/makeinclude/platform_macros.GNU
> Additional flags:
> debug=0
> ssl=1
> zlib=1
> bzip2=1
> c++14=1
> install_rpath=0
> CPP_FLAGS += -DACE_ANY_OPS_USE_NAMESPACE
> 
> SYNOPSIS:
> segmentation fault of "tao imr locator"
> 
> DESCRIPTION:
> 
> The following is an OCR-ed subset of previously sent png images:
> gdb's backtrace:
> 
> 1 Program received signal SIGSEGV, Segmentation fault.
> 2 0x00007f34abfd1257 in LiveEntry::validate_ping(bool&, ACE_Time_Value&)
> 3 from /tao/6.4.6/lib/libTAO_1mR_Locator.so.2.4.6
> 4 (gdb) where
> 5 #0 0x00007f34abfd1257 in LiveEntry::validate_ping(bool&, ACE_Time_Value&) () from /tao/6.4.6/lib/libTAO_1mR_Locator.so.2.4.6
> 6 #1 0x00007f34abfd1ao1 in LiveCheck::handle_timeout(ACE_Time_Value const&, void const*) () from /tao/6.4.6/lib/libTAO_1mR_Locator.so.2.4.6
> 7 #2 0x00007f34a92eaa95 in ACE_Ęvent_Handler_Handle_Timeout_Upcall::timeout(ACE;Abstract_Timer_Queue<ACE_Ęvent_Handler*>&, ACE_Ęvent_Handler*, void const*,
> int, ACE_Time_Value const&) () from /tao/6.4.6/lib/libACE.so.6.4.6
> 8 #3 0x00007f34a96c615c in ACE_Iimer_Queue_T<ACE_Ęvent_Handler*, ACE_Ęvent_Handler_Handle_Timeout_Upcall, ACE_Recursive_Thread;Mutex,
> ACE_System;Time_Policy>::expire_single(ACE_Command;Base&) () from /tao/6.4.6/lib/libTAO.so.2.4.6
> 9 #4 0x00007f34a92e54fd in ACE_Dev_Poll_Reactor::dispatch_timer_handler(ACE_Dev_Poll_Reactor::Token_Guard&)
> 10 from /tao/6.4.6/lib/libACE.so.6.4.6
> 11 #5 0x00007f34a92e6711 in ACE_Dev_Poll_Reactor::dispatch(ACE_Dev_Poll_Reactor::Token_Guard&) () from /tao/6.4.6/lib/libACE.so.6.4.6
> 12 #6 0x00007f34a92e7d2e in ACE_Dev_Poll_Reactor::handle_events(ACE_Time_Value*) () from /tao/6.4.6/lib/libACE.so.6.4.6
> 13 #7 0x00007f34a969168d in TAO_ORB_Core::run(ACE_Time_Value*, int) () from /tao/6.4.6/lib/libTAO.so.2.4.6
> 14 #8 0x00007f34abfca580 in ImR_Locator_i::run() () from /tao/6.4.6/lib/libTAO_1mR_Locator.so.2.4.6
> 15 #9 0x0000000000401d16 in run_standalone(options&)
> 16 #10 0x0000000000401b3f in main
> 17 (gdb)
> 18
> 
> It looks like this concerns the tao pinging mechanism. With the pinging mechanism (-v 0) I do not observe the segmentation fault.
> The following shows all parameters when starting up the services:
> 
> $ ps aux lgrep tao
> 
> dev 7633 0.0 0.0 59128 7100 ? S Jun24 0:00 /tao/6.1.8/bin/tao_cosnaming -ORBListenEndPoints iiop://l.2@host1 -ORBDefaultInitRef corbaloc:iiop:1.2 at host1:59695 -ORBUseIMR 1 -ORBLogFile /tao/6.1.8/log/Naming_5ervice.log -u /tao/6.1.8/Name5ervice -o /tao/6.1.8/name_service.ior
> dev 23112 0.4 0.3 983116 922884 ? Ss Jun24 19:56 /tao/6.1.8/bin/tao_imr_locator -ORBListenEndpoints iiop://l.2@host1:59695 -x /tao/6.1.8/ImpRep/impl_repo.xm1 -ORBSvcConf /svc.conf.poll -ORBVerboseLogging 1
> dev 23117 0.0 0.0 64012 7504 ? Ss Jun24 0:11 /tao/6.1.8/bin/tao_imr_activator -l -ORBDefaultInitRef corbaloc:iiop:1.2 at host1:59695 -ORBSvcConf /svc.conf.poll -ORBVerboseLogging 1
> 
> 
> Regards,
> Tomasz Mikolajczyk
> 
> 
> 
> 
> Dnia Czwartek, 28 Czerwca 2018 08:05 Johnny Willemsen <jwillemsen at remedy.nl> napisał(a) 
>> Hi,
>>
>> Please us the problem-report-form that is in the root of the package and
>> provide the output as txt, looks the png images are dropped by the list
>> server but these also make it hard to do so some quick searches.  It
>> would help when you can extend/add a unit test under
>> TAO/orbsvcs/tests/ImplRepo to reproduce your problem.
>>
>> Best regards,
>>
>> Johnny Willemsen
>> Remedy IT
>> Postbus 81 | 6930 AB Westervoort | The Netherlands
>> http://www.remedy.nl
>>
>> On 06/27/2018 11:37 PM, Tomasz Mikolajczyk wrote:
>>> Hi,
>>>
>>> I encountered TAO imr locator seg fault. PFA all the possible information collected. Unfortunately due to technical reasons I'm not able to send them as a single text file. Tao processes are running on localhost. processes just talk to themselves executing simple methods defined in IDL files.
>>>
>>> Probably the most interested files at the beginning will be:
>>> tao_seg_fault01.png - gdb's backtrace 
>>> tao_seg_fault21.png  - shows options passed when starting the tao processes
>>>
>>> I was comparing the changes between ACE+TAO 6.4.7 version and ACE+TAO  6.5 and I do not see any potential fix for this issue.
>>>
>>> Should you need further details please let me know.
>>>
>>> Regards,
>>> Tomasz Mikolajczyk
>>>
>>>
>>> _______________________________________________
>>> tao-bugs mailing list
>>> tao-bugs at list.isis.vanderbilt.edu
>>> http://list.isis.vanderbilt.edu/cgi-bin/mailman/listinfo/tao-bugs
> 
> 
> 
> 