ARM32: Unexpected success of OPA_SC_int

[pmrsbot]

Reported by jhammond on 9 Jan 2014 19:47 UTC
High-level:

make  check-TESTS
make[Entering directory `/home/jhammond/MPICH/kayla/build/src/openpa/test'
make[5](4]:): Entering directory `/home/jhammond/MPICH/kayla/build/src/openpa/test'
PASS: sanity
FAIL: test_primitives
PASS: test_barriers
PASS: test_queue
make[Entering directory `/home/jhammond/MPICH/kayla/build/src/openpa/test'
make[6](6]:): Nothing to be done for `all'.
make[6]: Leaving directory `/home/jhammond/MPICH/kayla/build/src/openpa/test'
============================================================================
Testsuite summary for OpenPA 1.0.3
============================================================================
# TOTAL: 4
# PASS:  3
# SKIP:  0
# XFAIL: 0
# FAIL:  1
# XPASS: 0
# ERROR: 0
============================================================================
See test/test-suite.log
Please report to https://trac.mcs.anl.gov/projects/openpa/newticket
============================================================================

Details:

Testing integer LL/SC ABA with 2 threads                                  Unexpected success of OPA_SC_int
    Unexpected success of OPA_SC_int
    Unexpected success of OPA_SC_int
    Unexpected success of OPA_SC_int
    Unexpected success of OPA_SC_int
    Unexpected success of OPA_SC_int
    Unexpected success of OPA_SC_int
    Unexpected success of OPA_SC_int
    Unexpected success of OPA_SC_int
    Unexpected success of OPA_SC_int
    Unexpected success of OPA_SC_int
    Unexpected success of OPA_SC_int
    Unexpected success of OPA_SC_int
    Unexpected success of OPA_SC_int
    Unexpected success of OPA_SC_int
    Unexpected success of OPA_SC_int
    Unexpected success of OPA_SC_int
    Unexpected success of OPA_SC_int
    Unexpected success of OPA_SC_int
    Unexpected success of OPA_SC_int
*FAILED*
        at ../../../../../git/src/openpa/test/test_primitives.c:3949 in test_threaded_llsc_int_aba()...
    False positives: 25 / 1000456
Testing pointer LL/SC ABA with 2 threads                                  Unexpected success of OPA_SC_ptr
    Unexpected success of OPA_SC_ptr
*FAILED*
        at ../../../../../git/src/openpa/test/test_primitives.c:4178 in test_threaded_llsc_ptr_aba()...
    False positives: 26 / 999790

jhammond@kayla:~/MPICH/kayla/build/src/openpa/test$ gcc -v
Using built-in specs.
COLLECT_GCC=gcc
COLLECT_LTO_WRAPPER=/usr/lib/gcc/arm-linux-gnueabihf/4.6/lto-wrapper
Target: arm-linux-gnueabihf
Configured with: ../src/configure -v --with-pkgversion='Ubuntu/Linaro 4.6.4-1ubuntu1~12.04' --with-bugurl=file:///usr/share/doc/gcc-4.6/README.Bugs --enable-languages=c,c++,fortran,objc,obj-c++ --prefix=/usr --program-suffix=-4.6 --enable-shared --enable-linker-build-id --with-system-zlib --libexecdir=/usr/lib --without-included-gettext --enable-threads=posix --with-gxx-include-dir=/usr/include/c++/4.6 --libdir=/usr/lib --enable-nls --with-sysroot=/ --enable-clocale=gnu --enable-libstdcxx-debug --enable-libstdcxx-time=yes --enable-gnu-unique-object --enable-plugin --enable-objc-gc --enable-multilib --disable-sjlj-exceptions --with-arch=armv7-a --with-fpu=vfpv3-d16 --with-float=hard --with-mode=thumb --disable-werror --enable-checking=release --build=arm-linux-gnueabihf --host=arm-linux-gnueabihf --target=arm-linux-gnueabihf
Thread model: posix
gcc version 4.6.4 (Ubuntu/Linaro 4.6.4-1ubuntu1~12.04) 

I am running on https://developer.nvidia.com/content/kayla-platform.

jhammond@kayla:~/MPICH/kayla/build/src/openpa/test$ cat /proc/cpuinfo 
Processor	: ARMv7 Processor rev 9 (v7l)
processor	: 0
BogoMIPS	: 1987.37

processor	: 1
BogoMIPS	: 1987.37

processor	: 2
BogoMIPS	: 1987.37

processor	: 3
BogoMIPS	: 1987.37

Features	: swp half thumb fastmult vfp edsp neon vfpv3 tls 
CPU implementer	: 0x41
CPU architecture: 7
CPU variant	: 0x2
CPU part	: 0xc09
CPU revision	: 9

Hardware	: cardhu
Revision	: 0000
Serial		: 3232423443424142