confirming segfault on two indentical amd64 machines. in dmesg:
> segfault at 7ffff7fefff8 ip 00007ffff7de30b5 sp 00007ffff7ff0000 error 6 in > ld-2.24.so[7ffff7dd9000+23000] output of gdb backtrace: > Starting program: /usr/lib/xen-4.8/bin/xl create /etc/xen/test.cfg > [Thread debugging using libthread_db enabled] > Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1". > [New Thread 0x7ffff7ff2700 (LWP 4193)] > > Thread 2 "xl" received signal SIGSEGV, Segmentation fault. > [Switching to Thread 0x7ffff7ff2700 (LWP 4193)] > 0x00007ffff7de30b5 in _dl_lookup_symbol_x (undef_name=0x7ffff5478c63 > "_Unwind_Find_FDE", undef_map=0x555555788310, ref=ref@entry=0x7ffff7ff0128, > symbol_scope=0x555555788668, version=0x555555788960, > type_class=type_class@entry=1, flags=5, skip_map=0x0) at dl-lookup.c:833 > 833 dl-lookup.c: No such file or directory. > #0 0x00007ffff7de30b5 in _dl_lookup_symbol_x (undef_name=0x7ffff5478c63 > "_Unwind_Find_FDE", undef_map=0x555555788310, ref=ref@entry=0x7ffff7ff0128, > symbol_scope=0x555555788668, version=0x555555788960, > type_class=type_class@entry=1, flags=5, skip_map=0x0) at dl-lookup.c:833 > #1 0x00007ffff7de7c54 in _dl_fixup (l=<optimized out>, reloc_arg=<optimized > out>) at ../elf/dl-runtime.c:111 > #2 0x00007ffff7def35a in _dl_runtime_resolve_xsavec () at > ../sysdeps/x86_64/dl-trampoline.h:125 > #3 0x00007ffff5485b13 in uw_frame_state_for > (context=context@entry=0x7ffff7ff0da0, fs=fs@entry=0x7ffff7ff0bf0) at > ../../../src/libgcc/unwind-dw2.c:1241 > #4 0x00007ffff5486d30 in uw_init_context_1 > (context=context@entry=0x7ffff7ff0da0, > outer_cfa=outer_cfa@entry=0x7ffff7ff0fd0, > outer_ra=0x7ffff72fad60 <__GI___pthread_unwind+64>) at > ../../../src/libgcc/unwind-dw2.c:1562 > #5 0x00007ffff5487336 in _Unwind_ForcedUnwind (exc=0x7ffff7ff2d70, > stop=stop@entry=0x7ffff72fabd0 <unwind_stop>, stop_argument=0x7ffff7ff1d50) > at ../../../src/libgcc/unwind.inc:201 > #6 0x00007ffff72fad60 in __GI___pthread_unwind (buf=<optimized out>) at > unwind.c:121 > #7 0x00007ffff72f0c5a in __do_cancel () at ./pthreadP.h:283 > #8 sigcancel_handler (sig=<optimized out>, si=0x7ffff7ff1130, ctx=<optimized > out>) at nptl-init.c:220 > #9 <signal handler called> > #10 0x00007ffff72fb20d in read () at ../sysdeps/unix/syscall-template.S:84 > #11 0x00007ffff66e6847 in ?? () from > /usr/lib/x86_64-linux-gnu/libxenstore.so.3.0 > #12 0x00007ffff66e692f in ?? () from > /usr/lib/x86_64-linux-gnu/libxenstore.so.3.0 > #13 0x00007ffff66e6c61 in ?? () from > /usr/lib/x86_64-linux-gnu/libxenstore.so.3.0 > #14 0x00007ffff72f2494 in start_thread (arg=0x7ffff7ff2700) at > pthread_create.c:333 > #15 0x00007ffff7034acf in clone () at > ../sysdeps/unix/sysv/linux/x86_64/clone.S:97 versions: > libc6:amd64 2.24-11+deb9u3 > libxen-4.8:amd64 4.8.3+xsa267+shim4.10.1+xsa267-1+deb9u9 > libxenstore3.0:amd64 4.8.3+xsa267+shim4.10.1+xsa267-1+deb9u9
