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ghc9.12 builds are failing on s390x on haddock generation. 9.12 has a new ghc-prim version 0.13. https://koji.fedoraproject.org/koji/taskinfo?taskID=126420079 Reproducible: Always Steps to Reproduce: 1. build ghc9.12 haddocks on s390x Actual Results: # cabal-autogen (for _build/stage1/utils/haddock/build/haddock/autogen/cabal_macros.h) | Run Ghc FindHsDependencies Stage1: utils/haddock/driver/Main.hs => _build/stage1/utils/haddock/.dependencies.mk | Remove file _build/stage1/utils/haddock/.dependencies.mk.bak | Run Ghc CompileHs Stage1: utils/haddock/driver/Main.hs => _build/stage1/utils/haddock/build/Main.o | Run Ghc LinkHs Stage1: _build/stage1/utils/haddock/build/Main.dyn_o => _build/stage1/bin/haddock /--------------------------------------------------------------------------\ | Successfully built program 'haddock' (Stage1). | | Executable: _build/stage1/bin/haddock | | Program synopsis: A documentation-generation tool for Haskell libraries. | \--------------------------------------------------------------------------/ | Run Haddock BuildPackage: libraries/ghc-prim/GHC/CString.hs (and 12 more) => _build/doc/html/libraries/ghc-prim-0.13.0-87f6/ghc-prim.haddock [ 1 of 13] Compiling GHC.Types ( libraries/ghc-prim/GHC/Types.hs, nothing ) [ 2 of 13] Compiling GHC.Tuple ( libraries/ghc-prim/GHC/Tuple.hs, nothing ) [ 3 of 13] Compiling GHC.PrimopWrappers ( _build/stage1/libraries/ghc-prim/build/GHC/PrimopWrappers.hs, nothing ) [ 4 of 13] Compiling GHC.Prim.PtrEq ( libraries/ghc-prim/GHC/Prim/PtrEq.hs, nothing ) [ 5 of 13] Compiling GHC.Prim.Ext ( libraries/ghc-prim/GHC/Prim/Ext.hs, nothing ) Development.Shake.cmd, system command failed Command line: _build/stage1/bin/haddock --verbosity=0 -B_build/stage1/lib --lib=_build/stage1/lib --odir=_build/doc/html/libraries/ghc-prim-0.13.0-87f6 --dump-interface=_build/doc/html/libraries/ghc-prim-0.13.0-87f6/ghc-prim.haddock --html '--title=ghc-prim-0.13.0: GHC primitives' --prologue=_build/doc/html/libraries/ghc-prim-0.13.0-87f6/haddock-prologue.txt --optghc=-D__HADDOCK_VERSION__=2300 --optghc=-hisuf --optghc=dyn_hi --optghc=-osuf --optghc=dyn_o --optghc=-hcsuf --optghc=dyn_hc --optghc=-fPIC --optghc=-dynamic --optghc=-hide-all-packages --optghc=-no-user-package-db '--optghc=-package-env -' '--optghc=-this-unit-id ghc-prim-0.13.0-87f6' '--optghc=-this-package-name ghc-prim' '--optghc=-package-id rts-1.0.2' --optghc=-i --optghc=-i/builddir/build/BUILD/ghc9.12-9.12.0.20241128-build/ghc-9.12.0.20241128/_build/stage1/libraries/ghc-prim/build --optghc=-i/builddir/build/BUILD/ghc9.12-9.12.0.20241128-build/ghc-9.12.0.20241128/_build/stage1/libraries/ghc-prim/build/autogen --optghc=-i/builddir/build/BUILD/ghc9.12-9.12.0.20241128-build/ghc-9.12.0.20241128/libraries/ghc-prim --optghc=-Irts/include --optghc=-I_build/stage1/libraries/ghc-prim/build --optghc=-I/builddir/build/BUILD/ghc9.12-9.12.0.20241128-build/ghc-9.12.0.20241128/rts/include --optghc=-I/builddir/build/BUILD/ghc9.12-9.12.0.20241128-build/ghc-9.12.0.20241128/_build/stage1/rts/build/include --optghc=-optP-include --optghc=-optP_build/stage1/libraries/ghc-prim/build/autogen/cabal_macros.h --optghc=-outputdir --optghc=_build/stage1/libraries/ghc-prim/build --optghc=-this-unit-id --optghc=ghc-prim --optghc=-XHaskell2010 --optghc=-no-global-package-db --optghc=-package-db=/builddir/build/BUILD/ghc9.12-9.12.0.20241128-build/ghc-9.12.0.20241128/_build/stage1/inplace/package.conf.d --optghc=-ghcversion-file=rts/include/ghcversion.h --optghc=-ghcversion-file=rts/include/ghcversion.h --optghc=-this-unit-id --optghc=ghc-prim --optghc=-XHaskell2010 --optghc=-no-global-package-db --optghc=-package-db=/builddir/build/BUILD/ghc9.12-9.12.0.20241128-build/ghc-9.12.0.20241128/_build/stage1/inplace/package.conf.d --optghc=-ghcversion-file=rts/include/ghcversion.h --optghc=-ghcversion-file=rts/include/ghcversion.h --optghc=-Wno-deprecated-flags --optghc=-Wno-trustworthy-safe +RTS -t_build/stage1/haddock-timing-files/ghc-prim.t --machine-readable -RTS --hyperlinked-source --hoogle --quickjump @/tmp/extra-file-86769965844709-6686-11417 Exit code: -11 Stderr: Build failed. Expected Results: No error Happens for both -j1 and -j3
Reported upstream in https://gitlab.haskell.org/ghc/ghc/-/issues/25536
For now I worked around it by building s390x with quick flavour which does not segfault. https://gitlab.haskell.org/ghc/ghc/-/issues/25541 has more details
This bug appears to have been reported against 'rawhide' during the Fedora Linux 42 development cycle. Changing version to 42.
ghc-9.14 alpha2 still failing (now that it is buildable again): + rm -rf testghc + mkdir testghc + echo 'main = putStrLn "Foo"' + /builddir/build/BUILD/ghc9.14-9.14.0.20250908-build/BUILDROOT/usr/lib64/ghc-9.14.0.20250908/bin/ghc testghc/foo.hs -o testghc/foo [1 of 2] Compiling Main ( testghc/foo.hs, testghc/foo.o ) /var/tmp/rpm-tmp.5LPTer: line 56: 140327 Segmentation fault (core dumped) $GHC testghc/foo.hs -o testghc/foo error: Bad exit status from /var/tmp/rpm-tmp.5LPTer (%check)
So for 9.14.1 on s390x: haddock builds with quick flavour, but seems I probably already knew this but hadn't re-enabled it. Performance ghc segfaults for -O2: + mkdir testghc + echo 'main = putStrLn "Foo"' + /builddir/build/BUILD/ghc9.14-9.14.1-build/BUILDROOT/usr/lib64/ghc-9.14.1/bin/ghc testghc/foo.hs -o testghc/foo [1 of 2] Compiling Main ( testghc/foo.hs, testghc/foo.o ) [2 of 2] Linking testghc/foo ++ testghc/foo + '[' Foo = Foo ']' + rm testghc/foo testghc/foo.hi testghc/foo.hs testghc/foo.o + echo 'main = putStrLn "Foo"' + /builddir/build/BUILD/ghc9.14-9.14.1-build/BUILDROOT/usr/lib64/ghc-9.14.1/bin/ghc testghc/foo.hs -o testghc/foo -O2 [1 of 2] Compiling Main ( testghc/foo.hs, testghc/foo.o ) /var/tmp/rpm-tmp.Eck17e: line 60: 141584 Illegal instruction (core dumped) $GHC testghc/foo.hs -o testghc/foo -O2
This bug appears to have been reported against 'rawhide' during the Fedora Linux 45 development cycle. Changing version to 45.