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Denis Zavelev
denis.zavelev@gmail.com

>it seems there is some incompatibility between FF 8.0.0
>and the Linux kernel version you are using.
Probably so (though I'll try to check it on another PCs with the same Ubuntu and kernel versions).

>My guess is that
>this problem is related to stack allocation code at the very
>beginning of Firefly's execution.
Can this be kernel bug?
Should I try newer or older kernel versions?

>Try adding the following option to the Firefly's command line:
>

./firefly -stkflgs:10 < other options >

>>My configure string was:
>>./configure --prefix=/home/metalian/mpich2-install --with-arch=LINUX32 --enable-threads --enable-shared CFLAGS=-m32 CXXFLAGS=-m32 FFLAGS=-m32 FCFLAGS=-m32 |& tee c2.txt
>>It works perfectly with 7.1.G (after making 7.1.G working I decided to try 8.0.0rc)

>>>The compiler was gcc version 4.1.2 20071124 (Red Hat 4.1.2-42)
>>>(as C++ and Fortran libraries are not used by Firefly, this is the
>>>only relevant compiler).
>>Ubuntu 12.04 has gcc 4.6.3

>>>I have got a lot of libraries in /opt/mpich2-1.5-gcc32/lib
>>>There was no libmpich.so.3 library so I created it as a symbolic
>>>link to libmpich.so.8  
>>Yes, of course, the same thing (ldd gave me this name to create symlink for, all other libs were also found).

>>>Then I ran Firefly using /opt/mpich2-1.5-gcc32/bin/mpiexec and got it running perfectly.  
>>The only difference is using /home/metalian/mpich2-install but $PATH contains it.

>>>Could it be the case there is some library conflict with
>>>your installation of mpich2?
>>I don't know. How can I find this?

>>>Did you perhaps get some part
>>>of the output in the file or there were no output at all?
>>No output at all.

>>>What is the output of
>>>
>>>./firefly -nompi
>>>
>>>command?
>>Output is the same ('Segmentation fault' and nothing more).

>>Once again, 7.1.G works fine in the same system.
>>
>>
>>>>Just tried to run firefly8.mpich2.ex from rc33 (with the same mpich2-1.5 built from sources with all 32-bit options) and got segmentation fault.
>>>>===================================================================================
>>>>=   BAD TERMINATION OF ONE OF YOUR APPLICATION PROCESSES
>>>>=   EXIT CODE: 139
>>>>=   CLEANING UP REMAINING PROCESSES
>>>>=   YOU CAN IGNORE THE BELOW CLEANUP MESSAGES
>>>>===================================================================================
>>>>YOUR APPLICATION TERMINATED WITH THE EXIT STRING: Segmentation fault (signal 11)

>>>>ldd firefly8.mpich2.ex
>>>>gives:
>>>>     linux-gate.so.1 =>  (0xf774e000)
>>>>     libmpich.so.3 => /home/metalian/mpich2-install/lib/libmpich.so.3 (0xf74eb000)
>>>>     libm.so.6 => /lib/i386-linux-gnu/libm.so.6 (0xf749e000)
>>>>     libopa.so.1 => /home/metalian/mpich2-install/lib/libopa.so.1 (0xf749a000)
>>>>     libmpl.so.1 => /home/metalian/mpich2-install/lib/libmpl.so.1 (0xf7494000)
>>>>     librt.so.1 => /lib/i386-linux-gnu/librt.so.1 (0xf748b000)
>>>>     libpthread.so.0 => /lib/i386-linux-gnu/libpthread.so.0 (0xf7470000)
>>>>     libdl.so.2 => /lib/i386-linux-gnu/libdl.so.2 (0xf746b000)
>>>>     libc.so.6 => /lib/i386-linux-gnu/libc.so.6 (0xf72c0000)
>>>>     libgcc_s.so.1 => /lib/i386-linux-gnu/libgcc_s.so.1 (0xf72a2000)
>>>>     /lib/ld-linux.so.2 (0xf774f000)

>>>>I'm using Ubuntu 12.04 64-bit with all latest updates, kernel version is 3.2.0-32-generic.

>>>>Execution strings used (no difference between results):
>>>>mpiexec -n 2 ./firefly8.mpich2.ex -r -f -p -o $inpfile.out -t scratch -b ./metalian.lib
>>>>mpiexec -n 2 /home/metalian/Quant/ff8rc33_mpich2_linux/firefly8.mpich2.ex -r -f -p -o /home/metalian/Quant/ff8rc33_mpich2_linux/$inpfile.out -t /home/metalian/Quant/ff8rc33_mpich2_linux/scratch  -b /home/metalian/Quant/ff8rc33_mpich2_linux/metalian.lib

>>>>I've also tried to use:
>>>>./firefly8.mpich2.ex -f -p -o inptest.out -ex . -t scratch -p4pg procgrp
>>>>In this case I'm getting only "Segmentation fault" message and nothing more.

>>>>System is based upon AMD Athlon(tm) 64 X2 Dual Core Processor 6000+.