[petsc-users] Crash when using valgrind

[Dominik Szczerba]

>
> Sometimes it helps to use 'valgrind --db-attach=yes'.


valgrind --db-attach=yes --tool=memcheck -q --num-callers=20 MySolver
bt

#0  0x0000000007cf2425 in __GI_raise (sig=<optimized out>) at
../nptl/sysdeps/unix/sysv/linux/raise.c:64
#1  0x0000000007cf5b8b in __GI_abort () at abort.c:91
#2  0x000000000987c98d in ?? () from /usr/lib/libcr.so.0
#3  0x000000000400f306 in call_init (l=<optimized out>, argc=2,
argv=0x7ff000138, env=0x7ff000150) at dl-init.c:85
#4  0x000000000400f3df in call_init (env=<optimized out>, argv=<optimized
out>, argc=<optimized out>, l=<optimized out>) at dl-init.c:52
#5  _dl_init (main_map=0x42242c8, argc=2, argv=0x7ff000138,
env=0x7ff000150) at dl-init.c:134
#6  0x00000000040016ea in _dl_start_user () from /lib64/ld-linux-x86-64.so.2
#7  0x0000000000000002 in ?? ()
#8  0x00000007ff0003d7 in ?? ()
#9  0x00000007ff000412 in ?? ()
#10 0x0000000000000000 in ?? ()


>
> What happens when you pass -no_signal_handler to the PETSc program?
>

valgrind --tool=memcheck -q --num-callers=20 MySolver -no_signal_handler

No change, i.e:

cr_libinit.c:183 cri_init: sigaction() failed: Invalid argument
Aborted (core dumped)

Any more ideas?

Many thanks
Dominik
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