Comment # 3 on bug 827671 from Stanislav Brabec

This seems to be fixed by the upstream:

commit d4bfa64d44e0515c59e5274d2384dedd9f9d4cc8
Author: Karel Zak <kzak@redhat.com>
Date:   Tue Nov 13 10:36:25 2012 +0100

    lscpu: make read_topology() more robust to avoid SIGFPE

    Signed-off-by: Karel Zak <kzak@redhat.com>

openSUSE 12.3 contains util-linux-2.21, which did not include this fix yet.
This fix was included in util-linux-2.23.