@Davy Zhu: list `dpkg --list|grep -i libatlas` and check that `readlink -f /usr/lib/libblas.so.3gf` points to an Ubuntu-provided BLAS.
@Davy Zhu: list `dpkg --list|grep -i libatlas` and check that `readlink -f /usr/lib/ libblas. so.3gf` points to an Ubuntu-provided BLAS.