BIG-endian PPC64 w/ xlc V13.1 experiences a nearly identical failure.
However, this time gdb appears to have been able to resolve frame #0 to a
PLT slot (instead of "??").
-Paul
#0 0x00000fff8904ef88 in 00000010.plt_call.opal_mem_hooks_release_hook+0 ()
from
/gpfs-biou/phh1/OMPI/openmpi-v2.x-dev-1410-g81e0924-linux-ppc64-xlc-13.1/INST/lib/libopen-pal.so.20
#1 0x00000fff8910b630 in intercept_munmap (start=0xfff88d20000,
length=2097152)
at
/gpfs-biou/phh1/OMPI/openmpi-v2.x-dev-1410-g81e0924-linux-ppc64-xlc-13.1/openmpi-gitclone/opal/mca/memory/patcher/memory_patcher_component.c:155
#2 0x000000800cc5ca80 in ._IO_setb () from /lib64/libc.so.6
#3 0x000000800cc5b16c in ._IO_file_close_it () from /lib64/libc.so.6
#4 0x000000800cc4a758 in .fclose () from /lib64/libc.so.6
#5 0x0000000010000f88 in do_test ()
at
/gpfs-biou/phh1/OMPI/openmpi-v2.x-dev-1410-g81e0924-linux-ppc64-xlc-13.1/openmpi-gitclone/ompi/debuggers/dlopen_test.c:97
#6 0x00000000100010d8 in main (argc=1, argv=0xffff462f398)
at
/gpfs-biou/phh1/OMPI/openmpi-v2.x-dev-1410-g81e0924-linux-ppc64-xlc-13.1/openmpi-gitclone/ompi/debuggers/dlopen_test.c:135
On Fri, May 6, 2016 at 9:14 AM, Paul Hargrove <phhargr...@lbl.gov> wrote:
> I am testing a tarball built from v2.x-dev-1410-g81e0924
> This includes pull request #1128 in which Nathan addressed multiple
> "patcher" issues.
>
> However, I see the crash below in dlopen_test on a LITTLE-ENDIAN Power8
> system.
> This is happening when built with "V13.1.2 (5725-C73, 5765-J08)", but not
> with gcc on the same system.
> So, I cannot conclusively assign blame to OpenMPI.
>
> -Paul
>
> Program terminated with signal SIGSEGV, Segmentation fault.
>
> (gdb) where
> #0 0x0000000000000000 in ?? ()
> #1 0x00003fff897adb38 in intercept_munmap (start=0x3fff89670000,
> length=65536)
> at
> /home/phargrov/OMPI/openmpi-v2.x-dev-1410-g81e0924-linux-ppc64el-xlc/openmpi-gitclone/opal/mca/memory/patcher/memory_patcher_component.c:155
> #2 0x00003fff8933bc80 in __GI__IO_setb () from /lib64/libc.so.6
> #3 0x00003fff89339528 in __GI__IO_file_close_it () from /lib64/libc.so.6
> #4 0x00003fff89327f74 in fclose@@GLIBC_2.17 () from /lib64/libc.so.6
> #5 0x0000000010000f7c in do_test ()
> at
> /home/phargrov/OMPI/openmpi-v2.x-dev-1410-g81e0924-linux-ppc64el-xlc/openmpi-gitclone/ompi/debuggers/dlopen_test.c:97
> #6 0x00000000100010e0 in main (argc=1, argv=0x3fffff332888)
> at
> /home/phargrov/OMPI/openmpi-v2.x-dev-1410-g81e0924-linux-ppc64el-xlc/openmpi-gitclone/ompi/debuggers/dlopen_test.c:135
>
> "start" is valid:
> (gdb) print *(char*)0x3fff89670000
> $1 = 35 '#'
>
> Frame 1:
> 155 opal_mem_hooks_release_hook (start, length, true);
>
> --
> Paul H. Hargrove phhargr...@lbl.gov
> Computer Languages & Systems Software (CLaSS) Group
> Computer Science Department Tel: +1-510-495-2352
> Lawrence Berkeley National Laboratory Fax: +1-510-486-6900
>
--
Paul H. Hargrove phhargr...@lbl.gov
Computer Languages & Systems Software (CLaSS) Group
Computer Science Department Tel: +1-510-495-2352
Lawrence Berkeley National Laboratory Fax: +1-510-486-6900
