glibc make -k check errors

grep Error glibc-check.log
make[2]: *** [/sources/glibc-buil/stdio-common/test-vfprintf.out] Error 1
make[1]: *** [stdio-common/tests] Error 2
make[2]: [/sources/glibc-buil/posix/annexc.out] Error 1 (ignored)
make[2]: *** [/sources/glibc-buil/nptl/tst-attr3.out] Error 1
make[2]: *** [/sources/glibc-buil/nptl/tst-cancel1.out] Error 1
make[1]: *** [nptl/tests] Error 2
make[2]: *** [/sources/glibc-buil/debug/tst-chk3.out] Error 1
make[2]: *** [/sources/glibc-buil/debug/tst-lfschk3.out] Error 1
make[1]: *** [debug/tests] Error 2
make[1]: *** [/sources/glibc-buil/c++-types-check.out] Error 1
make: *** [check] Error 2

make[4]: Leaving directory `/opt/lfs/sources/glibc-2.5.1/string'
make subdir=time -C ../time ..=../ objdir=/opt/lfs/sources/glibc-buil -f Makefile -f ../elf/rtld-Rules rtld-all rtld-modules='rtld-setitimer.os'
make[4]: Entering directory `/opt/lfs/sources/glibc-2.5.1/time'
make[4]: Nothing to be done for `rtld-all'.
make[4]: Leaving directory `/opt/lfs/sources/glibc-2.5.1/time'
make[3]: Leaving directory `/opt/lfs/sources/glibc-2.5.1/elf'
/tools/bin/install -c /opt/lfs/sources/glibc-buil/elf/ld.so /lib/ld-2.5.1.so.new
mv -f /lib/ld-2.5.1.so.new /lib/ld-2.5.1.so
/tools/bin/install -c /opt/lfs/sources/glibc-buil/libc.so /lib/libc-2.5.1.so.new
mv -f /lib/libc-2.5.1.so.new /lib/libc-2.5.1.so
make[2]: *** [/lib/libc-2.5.1.so] Segmentation fault
make[2]: Leaving directory `/opt/lfs/sources/glibc-2.5.1/elf'
make[1]: *** [elf/ldso_install] Error 2
make[1]: Leaving directory `/opt/lfs/sources/glibc-2.5.1'
make: *** [install] Error 2