Charm++ parallel programming system

[Jozsef Bakosi <jbakosi AT lanl.gov>]

Thanks Marcin,

Indeed that helps. Thanks.

Now I get a more reasonable error message and trace inside gdb:

(gdb) run
Starting program: /home/quinoa/quinoa/build/Main/meshconv 
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".

Program received signal SIGSEGV, Segmentation fault.
0x000000000040a4ce in tk::Print::Print(std::__1::basic_ostream<char, 
std::__1::char_traits<char> >&, std::__1::basic_ostream<char, 
std::__1::char_traits<char> >&) ()
(gdb) where
#0  0x000000000040a4ce in tk::Print::Print(std::__1::basic_ostream<char, 
std::__1::char_traits<char> >&, std::__1::basic_ostream<char, 
std::__1::char_traits<char> >&) ()
#1  0x0000000000404297 in _GLOBAL__sub_I_Parser.cpp ()
#2  0x0000000000dee2a4 in __libc_csu_init ()
#3  0x0000000000dedbd3 in __libc_start_main ()
#4  0x000000000040589a in _start ()

Note that this is a static build using libc++ as the standard library (instead
of libstdc++).

Jozsef

On 08.05.2019 15:51, Marcin Mielniczuk wrote:
> Hi Jozsef, 
> 
> You need to run the container with --privileged or --cap-add=SYS_PTRACE
> to be able to use ptrace (hence gdb) inside the container.
> 
> Regards,
> Marcin
> 
> On 05.08.2019 15:41, Jozsef Bakosi wrote:
> > Hi folks,
> >
> > I'm getting the following inside gdb attempting to execute a charm
> > program inside a docker container:
> >
> > (gdb) run
> > Starting program: /home/quinoa/quinoa/build/Main/meshconv 
> > warning: Error disabling address space randomization: Operation not 
> > permitted
> > warning: Could not trace the inferior process.
> > Error: 
> > warning: ptrace: Operation not permitted
> > During startup program exited with code 127.
> >
> > Outside of gdb, it gives a segfault:
> >
> > $ Main/meshconv  
> > Segmentation fault (core dumped)
> >
> > Does anyone have any idea how to debug this?
> >
> > Thanks,
> > Jozsef