This commit should fix it. https://github.com/open-mpi/hwloc/commit/f46c983df58a41ec8f994f30f57154bd78392de8.patch Brice
Le 09/07/2014 23:42, Nick Papior Andersen a écrit : > Dear Brice > > > 2014-07-09 21:34 GMT+00:00 Brice Goglin <brice.gog...@inria.fr > <mailto:brice.gog...@inria.fr>>: > > Le 09/07/2014 23:30, Nick Papior Andersen a écrit : >> Dear Brice >> >> Here are my findings (apologies for not doing make check on >> before-hand!) >> >> 2014-07-09 20:42 GMT+00:00 Brice Goglin <brice.gog...@inria.fr >> <mailto:brice.gog...@inria.fr>>: >> >> Hello, >> >> A quick look in Open MPI source code seems to say that it's >> manipulating XML topologies in these lines. >> >> Please go into your hwloc-1.9 build directory, and run >> "tests/xmlbuffer" (you will may have to build it with run >> "make xmlbuffer -C tests"). >> >> This errors out with a segmentation fault. I tried recompiling >> with -g -traceback, to no avail, nothing shows up other than: >> using default import and export >> exported to buffer 0x1240c40 length 40817 >> Segmentation fault >> which is right before the "re-exported" statement. ulimit is not >> ridiculously low. > > Can you run it under gdb? > libtool --mode=execute gdb tests/xmlbuffer > $ r > $ bt full > <send this output> > > (gdb) r > Starting program: > /home/nick/phd/code/install/.compile/hwloc-1.9/tests/.libs/lt-xmlbuffer > using default import and export > exported to buffer 0x6b6c50 length 40817 > > Program received signal SIGSEGV, Segmentation fault. > 0x00000000004017fb in one_test () at xmlbuffer.c:51 > 51 if (strcmp(hwloc_obj_get_info_by_name(hwloc_get_root_obj(topology), > "UglyString"), s)) > (gdb) bt full > #0 0x00000000004017fb in one_test () at xmlbuffer.c:51 > topology = 0x615dc0 > size1 = 40817 > size2 = 45 > buf1 = 0x6b6c50 "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n<!DOCTYPE > topology SYSTEM \"hwloc.dtd\">\n<topology>\n <object type=\"Machine\" > os_index=\"0\" cpuset=\"0x00ffffff\" complete_cpuset=\"0x00ffffff\" > online_cpuset=\"0x00fffff"... > buf2 = 0x180 <Address 0x180 out of bounds> > err = 0 > s = " \t\n \r", ' ' <repeats 19 times>, > "!\"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_`abcdefghijklmnopqrstuvwxyz{|}~ > " > t = "x\001\002\003\004\005\006\ay" > #1 0x0000000000401495 in main () at xmlbuffer.c:83 > No locals. > > > Also, can you try setting HWLOC_NO_LIBXML_IMPORT=1 and/or > HWLOC_NO_LIBXML_EXPORT=1 in the environment to see if the problem > comes from XML import or export? > > You mean: > HWLOC_NO_LIBXML_EXPORT=1 ./xmlbuffer > HWLOC_NO_LIBXML_IMPORT=1 ./xmlbuffer > HWLOC_NO_LIBXML_IMPORT=1 HWLOC_NO_LIBXML_EXPORT=1 ./xmlbuffer > It does exactly the same thing, Segmentation fault. > > > Thanks > Brice > > > > > -- > Kind regards Nick
