Last worked with glibc-2.21.90-20.fc24.x86_64. Tested with: https://kojipkgs.fedoraproject.org/work/tasks/9425/10719425/ Fedora-Live-Xfce-x86_64-rawhide-20150816.iso
xfbz: https://bugzilla.xfce.org/show_bug.cgi?id=12142
You might be hitting bug 1253616 It should be fixed in todays rawhide.
Yes, that's it, thanks man. sysdeps/x86_64/fpu/multiarch/s_floorf.S movq %rax, %rdx & and lack of SSE4.1 broke it. glibc-2.22.90-3.fc24 works OK. Tested with: Rawhide-Xfce-Live-817.iso Ref. https://sourceware.org/ml/libc-alpha/2015-08/msg00554.html https://sourceware.org/ml/libc-alpha/2015-08/msg00610.html
*** This bug has been marked as a duplicate of bug 1253616 ***