On Thu, Aug 30, 2018 at 10:28 AM, DJ Delorie <dj@redhat.com> wrote: > "H.J. Lu" <hjl.tools@gmail.com> writes: >> with "make -j12 check" on a 6-core machine. Is there a race condition? > > There shouldn't be. Does it work with -j1 ? It is a glibc bug: https://sourceware.org/bugzilla/show_bug.cgi?id=23597 -- H.J.