2013/6/4 Ludovic Courtès <ludo@gnu.org>

> [...]
> I can’t reproduce it with current ‘stable-2.0’ and ‘master’, on
> x86_64-linux-gnu, with libgc 7.2alpha6 (which is ancient).
>
> Could you provide more info about your system and dependency versions


i am using the version from ubuntu 12.04 repository

$ guile --version | grep guile
guile (GNU Guile) 2.0.5-deb+1-1

$ uname -a
Linux godek-ThinkPad-X61s 3.2.0-45-generic #70-Ubuntu SMP Wed May 29
20:12:06 UTC 2013 x86_64 x86_64 x86_64 GNU/Linux

$ ldd /usr/bin/guile
linux-vdso.so.1 =>  (0x00007fff191dc000)
libguile-2.0.so.22 => /usr/lib/libguile-2.0.so.22 (0x00007f135393d000)
libpthread.so.0 => /lib/x86_64-linux-gnu/libpthread.so.0
(0x00007f1353720000)
libc.so.6 => /lib/x86_64-linux-gnu/libc.so.6 (0x00007f1353360000)
libgc.so.1 => /usr/lib/libgc.so.1 (0x00007f135310c000)
libffi.so.6 => /usr/lib/x86_64-linux-gnu/libffi.so.6 (0x00007f1352f04000)
librt.so.1 => /lib/x86_64-linux-gnu/librt.so.1 (0x00007f1352cfb000)
libunistring.so.0 => /usr/lib/x86_64-linux-gnu/libunistring.so.0
(0x00007f13529e6000)
libgmp.so.10 => /usr/lib/x86_64-linux-gnu/libgmp.so.10 (0x00007f1352778000)
libltdl.so.7 => /usr/lib/x86_64-linux-gnu/libltdl.so.7 (0x00007f135256d000)
libcrypt.so.1 => /lib/x86_64-linux-gnu/libcrypt.so.1 (0x00007f1352334000)
libm.so.6 => /lib/x86_64-linux-gnu/libm.so.6 (0x00007f1352038000)
/lib64/ld-linux-x86-64.so.2 (0x00007f1353cdd000)
libdl.so.2 => /lib/x86_64-linux-gnu/libdl.so.2 (0x00007f1351e33000)
libgcc_s.so.1 => /lib/x86_64-linux-gnu/libgcc_s.so.1 (0x00007f1351c1d000)

If you need more information, let me know.