Hi Xiaoguang, The problem is that /usr/lib/rados-classes/* shouldn't have symbols stripped. I'm no rpmbuild expert, but a search for 'rpmbuild strip' turned up a few things. Can you see if the below patch fixes the problem for you? Thanks! sage diff --git a/ceph.spec.in b/ceph.spec.in index 20e0251..f068edd 100644 --- a/ceph.spec.in +++ b/ceph.spec.in @@ -64,6 +64,7 @@ conjunction with any FastCGI capable web server. make -j$(getconf _NPROCESSORS_ONLN) CFLAGS="$RPM_OPT_FLAGS" CXXFLAGS="$RPM_OPT_FLAGS" %install +export DONT_STRIP=1 rm -rf $RPM_BUILD_ROOT make install DESTDIR=$RPM_BUILD_ROOT find $RPM_BUILD_ROOT -type f -name "*.la" -exec rm -f {} ';' -- To unsubscribe from this list: send the line "unsubscribe ceph-devel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html