root:/build/glibc-build2# grep Error glibc-check-log
make[2]: [/build/glibc-build2/posix/annexc.out] Error 1 (ignored)
make[2]: *** [/build/glibc-build2/nptl/tst-cond17.out] Error 1
make[1]: *** [nptl/tests] Error 2
make: *** [check] Error 2