Re: tests failing on x86_64-linux

["H.J. Lu via Libc-alpha" <libc-alpha@sourceware.org>]

On Wed, Dec 9, 2020 at 1:17 PM Martin Sebor <msebor@gmail.com> wrote:
>
> On 12/9/20 11:28 AM, H.J. Lu wrote:
> > On Wed, Dec 9, 2020 at 10:17 AM Martin Sebor via Libc-alpha
> > <libc-alpha@sourceware.org> wrote:
> >>
> >> I've been seeing quite a few test failures in recent builds, more
> >> than I used to in the past.  Are those expected?  I configure with
> >> no options other than --prefix=/usr and after building without
> >> installing (i.e., just make -j16) run make -j16 check.
> >>
> >> The results below are for the top of GCC/Glibc trunk on x86_64
> >> Fedora Linux but I don't think using GCC 10 improves things much
> >> if at all.
> >>
> >
> > "make check" is clean for me on Fedora 33/x86-64.  Please make sure that
> > you have all required packages installed, including libstdc++-static.
> >
>
> It's been a while since I built Glibc with the system compiler
> so I must have misremembered the results.  Here they are for
> my Fedora 29 machine (with libstdc++-static installed and with
> --prefix=/usr):
>
> gcc version 8.3.1 20190223 (Red Hat 8.3.1-2) (GCC)
>
> UNSUPPORTED: assert/tst-assert-c++
> UNSUPPORTED: assert/tst-assert-g++
> UNSUPPORTED: debug/tst-chk4
> UNSUPPORTED: debug/tst-chk5
> UNSUPPORTED: debug/tst-chk6
> UNSUPPORTED: debug/tst-lfschk4
> UNSUPPORTED: debug/tst-lfschk5
> UNSUPPORTED: debug/tst-lfschk6
> UNSUPPORTED: dlfcn/bug-atexit3
> UNSUPPORTED: elf/tst-audit10
> UNSUPPORTED: elf/tst-avx512
> UNSUPPORTED: elf/tst-env-setuid
> UNSUPPORTED: elf/tst-env-setuid-tunables
> XPASS: elf/tst-protected1a
> XPASS: elf/tst-protected1b
> UNSUPPORTED: math/test-double-libmvec-sincos-avx512
> UNSUPPORTED: math/test-float-libmvec-sincosf-avx512
> UNSUPPORTED: misc/tst-pkey
> UNSUPPORTED: nptl/tst-cancel24
> UNSUPPORTED: nptl/tst-cancel24-static
> UNSUPPORTED: nptl/tst-minstack-throw
> UNSUPPORTED: nptl/tst-once5
> UNSUPPORTED: nptl/tst-thread-exit-clobber
> UNSUPPORTED: nptl/tst-thread_local1
> UNSUPPORTED: stdlib/tst-quick_exit
> UNSUPPORTED: stdlib/tst-thread-quick_exit
> Summary of test results:
>     4214 PASS
>       24 UNSUPPORTED
>       16 XFAIL
>        2 XPASS
>
> And below are the results I see with today's top of GCC trunk.
> All the failures are due to "original exit status 127" which IIUC
> means the program wasn't found.  Yet they're all there.  Could it
> have something to do with the paralellization?  The other
> difference between the native build and my GCC 11 build is that
> the latter is an unoptimized GCC so it takes quite a bit longer
> to compile.
>
> gcc version 11.0.0 20201209 (experimental) (GCC)

Did you apply

https://gcc.gnu.org/pipermail/gcc-patches/2020-December/561332.html

> UNSUPPORTED: assert/tst-assert-c++
> UNSUPPORTED: assert/tst-assert-g++
> UNSUPPORTED: debug/tst-chk4
> UNSUPPORTED: debug/tst-chk5
> UNSUPPORTED: debug/tst-chk6
> UNSUPPORTED: debug/tst-lfschk4
> UNSUPPORTED: debug/tst-lfschk5
> UNSUPPORTED: debug/tst-lfschk6
> UNSUPPORTED: dlfcn/bug-atexit3
> UNSUPPORTED: elf/tst-audit10
> UNSUPPORTED: elf/tst-avx512
> FAIL: elf/tst-dlopen-self-container
> FAIL: elf/tst-dlopen-tlsmodid-container
> UNSUPPORTED: elf/tst-env-setuid
> UNSUPPORTED: elf/tst-env-setuid-tunables
> FAIL: elf/tst-glibc-hwcaps-cache
> FAIL: elf/tst-glibc-hwcaps-prepend-cache
> FAIL: elf/tst-ldconfig-bad-aux-cache
> FAIL: elf/tst-ldconfig-ld_so_conf-update
> FAIL: elf/tst-pldd
> XPASS: elf/tst-protected1a
> XPASS: elf/tst-protected1b
> FAIL: locale/tst-localedef-path-norm
> FAIL: localedata/tst-localedef-hardlinks
> UNSUPPORTED: math/test-double-libmvec-sincos-avx512
> UNSUPPORTED: math/test-float-libmvec-sincosf-avx512
> UNSUPPORTED: misc/tst-pkey
> UNSUPPORTED: nptl/tst-cancel24
> UNSUPPORTED: nptl/tst-cancel24-static
> UNSUPPORTED: nptl/tst-minstack-throw
> UNSUPPORTED: nptl/tst-once5
> FAIL: nptl/tst-pthread-getattr
> UNSUPPORTED: nptl/tst-thread-exit-clobber
> UNSUPPORTED: nptl/tst-thread_local1
> FAIL: nss/tst-nss-db-endgrent
> FAIL: nss/tst-nss-db-endpwent
> FAIL: nss/tst-nss-files-hosts-long
> FAIL: nss/tst-nss-test3
> FAIL: nss/tst-reload1
> FAIL: posix/bug-ga2
> UNSUPPORTED: posix/bug-ga2-mem
> UNSUPPORTED: resolv/mtrace-tst-leaks2
> FAIL: resolv/tst-leaks2
> UNSUPPORTED: stdlib/tst-quick_exit
> FAIL: stdlib/tst-system
> UNSUPPORTED: stdlib/tst-thread-quick_exit
> FAIL: string/tst-strerror
> FAIL: string/tst-strsignal
> Summary of test results:
>       20 FAIL
>     4192 PASS
>       26 UNSUPPORTED
>       16 XFAIL
>        2 XPASS
>
> Martin



-- 
H.J.