[llvm-dev] Go Tsan check failure

Mon Nov 27 15:16:50 PST 2017

+dvyukov

On Mon, Nov 27, 2017 at 4:56 AM, Csaba Raduly via llvm-dev <
llvm-dev at lists.llvm.org> wrote:

> Hi all,
>
> I'm trying to build clang on Ubuntu 17.10 - the build succeeds, but
> testing fails:
>
> ~/wk/LLVM/build_release$ svn info ../llvm/
> Path: /home/csabaraduly/wk/LLVM/llvm
> Working Copy Root Path: /home/csabaraduly/wk/LLVM/llvm
> URL: https://llvm.org/svn/llvm-project/llvm/trunk
> Relative URL: ^/llvm/trunk
> Repository Root: https://llvm.org/svn/llvm-project
> Repository UUID: 91177308-0d34-0410-b5e6-96231b3b80d8
> Revision: 319018
> Node Kind: directory
> Schedule: normal
> Last Changed Author: mkazantsev
> Last Changed Rev: 319018
> Last Changed Date: 2017-11-27 12:20:58 +0100 (Mon, 27 Nov 2017)
>
> ~/wk/LLVM/build_release$ ninja -v all check-all
> [1/4] cd ~/wk/LLVM/build_release/utils/lit && /usr/bin/cmake -E
> remove_directory ~/wk/LLVM/build_release/utils/lit/tests &&
> /usr/bin/cmake -E copy_directory ~/wk/LLVM/llvm/utils/lit/tests
> ~/wk/LLVM/build_release/utils/lit/tests && /usr/bin/cmake -E copy
> ~/wk/LLVM/build_release/utils/lit/lit.site.cfg
> ~/wk/LLVM/build_release/utils/lit/tests
> [2/4] cd ~/wk/LLVM/llvm/projects/compiler-rt/lib/tsan/go && env
> "CC=/usr/bin/cc " IN_TMPDIR=1 SILENT=1
> ~/wk/LLVM/llvm/projects/compiler-rt/lib/tsan/go/buildgo.sh
> FAILED: projects/compiler-rt/lib/tsan/CMakeFiles/GotsanRuntimeCheck
> cd ~/wk/LLVM/llvm/projects/compiler-rt/lib/tsan/go && env
> "CC=/usr/bin/cc " IN_TMPDIR=1 SILENT=1
> ~/wk/LLVM/llvm/projects/compiler-rt/lib/tsan/go/buildgo.sh
> [3/4] cd ~/wk/LLVM/build_release/projects/compiler-rt/lib && env
> LLVM_CHECKOUT=~/wk/LLVM/llvm SILENT=1 TMPDIR=
> PYTHON_EXECUTABLE=/usr/bin/python2.7
> COMPILER_RT=~/wk/LLVM/llvm/projects/compiler-rt
> ~/wk/LLVM/llvm/projects/compiler-rt/lib/sanitizer_
> common/scripts/check_lint.sh
> ninja: build stopped: subcommand failed.
>
> Even ninja -v resulted in SILENT=1 being passed to buildgo.sh, so I
> tried to run it manually:
>
> ~/wk/LLVM/build_release$ pushd
> ~/wk/LLVM/llvm/projects/compiler-rt/lib/tsan/go && env "CC=/usr/bin/cc
> " IN_TMPDIR=1 SILENT=0
> ~/wk/LLVM/llvm/projects/compiler-rt/lib/tsan/go/buildgo.sh
> ~/wk/LLVM/llvm/projects/compiler-rt/lib/tsan/go ~/wk/LLVM/build_release
> /usr/bin/cc gotsan.cc -c -o
> /tmp/gotsan.vYTnyXdSJU/race_linux_amd64.syso -I../rtl -I../..
> -I../../sanitizer_common -I../../../include -std=c++11 -m64 -Wall
> -fno-exceptions -fno-rtti -DSANITIZER_GO=1
> -DSANITIZER_DEADLOCK_DETECTOR_VERSION=2 -fPIC -ffreestanding
> -Wno-maybe-uninitialized -Wno-unused-const-variable -Werror
> -Wno-unknown-warning-option -DSANITIZER_DEBUG=0 -O3 -msse3
> -fomit-frame-pointer
> ==12640==ERROR: ThreadSanitizer failed to allocate 0x4000 (16384)
> bytes at address 1764aec780000 (errno: 12)
> Segmentation fault (core dumped)
>
> ~/wk/LLVM/build_release$ uname -a
> Linux 4.13.0-17-generic #20-Ubuntu SMP Mon Nov 6 10:04:08 UTC 2017
> x86_64 x86_64 x86_64 GNU/Linux
>
> ~/wk/LLVM/build_release$ /usr/bin/cc -v
> Using built-in specs.
> COLLECT_GCC=/usr/bin/cc
> COLLECT_LTO_WRAPPER=/usr/lib/gcc/x86_64-linux-gnu/7/lto-wrapper
> OFFLOAD_TARGET_NAMES=nvptx-none
> OFFLOAD_TARGET_DEFAULT=1
> Target: x86_64-linux-gnu
> Configured with: ../src/configure -v --with-pkgversion='Ubuntu
> 7.2.0-8ubuntu3' --with-bugurl=file:///usr/share/doc/gcc-7/README.Bugs
> --enable-languages=c,ada,c++,go,brig,d,fortran,objc,obj-c++
> --prefix=/usr --with-gcc-major-version-only --program-suffix=-7
> --program-prefix=x86_64-linux-gnu- --enable-shared
> --enable-linker-build-id --libexecdir=/usr/lib
> --without-included-gettext --enable-threads=posix --libdir=/usr/lib
> --enable-nls --with-sysroot=/ --enable-clocale=gnu
> --enable-libstdcxx-debug --enable-libstdcxx-time=yes
> --with-default-libstdcxx-abi=new --enable-gnu-unique-object
> --disable-vtable-verify --enable-libmpx --enable-plugin
> --enable-default-pie --with-system-zlib --with-target-system-zlib
> --enable-objc-gc=auto --enable-multiarch --disable-werror
> --with-arch-32=i686 --with-abi=m64 --with-multilib-list=m32,m64,mx32
> --enable-multilib --with-tune=generic
> --enable-offload-targets=nvptx-none --without-cuda-driver
> --enable-checking=release --build=x86_64-linux-gnu
> --host=x86_64-linux-gnu --target=x86_64-linux-gnu
> Thread model: posix
> gcc version 7.2.0 (Ubuntu 7.2.0-8ubuntu3)
>
> Is there a way to disable Go, or at least its tsan checks?
>
> Csaba
>
> --
> GCS a+ e++ d- C++ ULS$ L+$ !E- W++ P+++$ w++$ tv+ b++ DI D++ 5++
> The Tao of math: The numbers you can count are not the real numbers.
> Life is complex, with real and imaginary parts.
> "Ok, it boots. Which means it must be bug-free and perfect. " -- Linus
> Torvalds
> "People disagree with me. I just ignore them." -- Linus Torvalds
> _______________________________________________
> LLVM Developers mailing list
> llvm-dev at lists.llvm.org
> http://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-dev
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.llvm.org/pipermail/llvm-dev/attachments/20171127/a5cb0bd2/attachment.html>