SIGFPE with libthr and gdb

Hello.

When using this libmap.conf:

libpthread.so.2 libthr.so.2
libpthread.so libthr.so
libc_r.so.6 libthr.so.2
libc_r.so libthr.so

...nearly every program receives SIGFPE when calling various
functions, when running under gdb. strtol() is one example.

Is this a well known problem, before I file a bug report?

I'm on FreeBSD 6.2-RELEASE.

MC
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