Hello
It may be similar to https://github.com/open-mpi/hwloc/issues/290 but we
weren't able to find the exact issue unfortunately :/
Setting HWLOC_COMPONENTS=-x86 in the environment would disable that code
path, causing the topology to be possibly not as precise.
Brice
Le 08/07/2019 à 20:43, Junchao Zhang a écrit :
> Hello Brice,
> When I was installing PETSc with --download-mpich on a machine with
> uname -a = "SunOS n-gage 5.11 illumos-a22312a201 i86pc i386 i86pc",
> petsc configure script hung in a conftest. I have the following stack
> trace. The compiler is "Sun C 5.10 SunOS_i386 2009/06/03".
> Note MPICH was successfully installed by petsc. The error happened
> when running a conftest program. Hope you can find clues from that.
> Thanks.
>
> $cat test.c
> #include <mpi.h>
>
> int main() {
> MPI_Aint size;
> int ierr;
> MPI_Init(0,0);
> ierr = MPI_Type_extent(MPI_LONG_DOUBLE, &size);
> if(ierr || (size == 0)) exit(1);
> MPI_Finalize();
> return 0;
> }
>
> (gdb) bt
> #0 0xfc8db765 in hwloc_x86_cpuid (eax=0x803d5b4, ebx=0x803d5b8,
> ecx=0x803d5b0, edx=0x803d5bc)
> at
> /export/home/jczhang/petsc/arch-opensolaris-pkgs-dbg/externalpackages/mpich-3.3.1/src/hwloc/include/private/cpuid-x86.h:79
> #1 0xfc8dbbf1 in cpuid_or_from_dump (eax=0x803d5b4, ebx=0x803d5b8,
> ecx=0x803d5b0, edx=0x803d5bc, src_cpuiddump=0x0) at topology-x86.c:165
> #2 0xfc8dc33a in look_proc (backend=0x8412d80, infos=0x842dfe0,
> highest_cpuid=13, highest_ext_cpuid=13, features=0x803d6d0,
> cpuid_type=intel, src_cpuiddump=0x0)
> at topology-x86.c:505
> #3 0xfc8dda2a in look_procs (backend=0x8412d80, infos=0x842dfe0,
> fulldiscovery=0, highest_cpuid=13, highest_ext_cpuid=13,
> features=0x803d6d0, cpuid_type=intel,
> get_cpubind=0xfc8d61c0 <hwloc_solaris_get_thisthread_cpubind>,
> set_cpubind=0xfc8d605c <hwloc_solaris_set_thisthread_cpubind>) at
> topology-x86.c:1083
> #4 0xfc8de067 in hwloc_look_x86 (backend=0x8412d80, fulldiscovery=0)
> at topology-x86.c:1279
> #5 0xfc8de1ac in hwloc_x86_discover (backend=0x8412d80) at
> topology-x86.c:1348
> #6 0xfc89b899 in hwloc_discover (topology=0x84129f0) at topology.c:3007
> #7 0xfc89c974 in hwloc_topology_load (topology=0x84129f0) at
> topology.c:3618
> #8 0xfbf150d8 in MPIR_Init_thread (argc=0x0, argv=0x0, required=0,
> provided=0x803d8ac) at src/mpi/init/initthread.c:375
> #9 0xfbf0c53b in PMPI_Init (argc=0x0, argv=0x0) at
> src/mpi/init/init.c:180
> #10 0x08050acf in main () at test.c:6
> (gdb) f 0
> #0 0xfc8db765 in hwloc_x86_cpuid (eax=0x803d5b4, ebx=0x803d5b8,
> ecx=0x803d5b0, edx=0x803d5bc)
> at
> /export/home/jczhang/petsc/arch-opensolaris-pkgs-dbg/externalpackages/mpich-3.3.1/src/hwloc/include/private/cpuid-x86.h:79
> 79 : "+a" (*eax), "=&SD" (*ebx), "+c" (*ecx), "=&d" (*edx));
> (gdb) l
> 74 #elif defined(HWLOC_X86_32_ARCH)
> 75 __asm__(
> 76 "mov %%ebx,%1\n\t"
> 77 "cpuid\n\t"
> 78 "xchg %%ebx,%1\n\t"
> 79 : "+a" (*eax), "=&SD" (*ebx), "+c" (*ecx), "=&d" (*edx));
> 80 #else
> 81 #error unknown architecture
> 82 #endif
> 83 #endif /* HWLOC_HAVE_MSVC_CPUIDEX */
>
>
> --Junchao Zhang
>
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