[llvm-dev] Go Tsan check failure

[Dmitry Vyukov via llvm-dev]

On Tue, Nov 28, 2017 at 12:16 AM, Kostya Serebryany <kcc at google.com> wrote:
> +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?


Hi,

Comments out buildgo.sh invocation from build scripts? Or you want
something else?