On Apr 6, 2020, at 08:21, Yvan Roux yvan.roux@linaro.org wrote:
Hi Louis,
Yes the issue due to this directory <TMP>/ModuleCache not being removed after it is used or cleaned up at the beginning. So it's on our side or into the test itself which doesn't remove these files at the end.
Are you using some special CMake variable to point the build to that Module cache? If so, then it would be the responsibility of the bot to clean it up.
Louis
All our bots run inside containers, they are available here https://hub.docker.com/u/linaro https://hub.docker.com/u/linaro
Thanks Yvan
On Mon, 6 Apr 2020 at 10:08, Louis Dionne <ldionne@apple.com mailto:ldionne@apple.com> wrote:
On Apr 2, 2020, at 13:28, Louis Dionne via libcxx-dev <libcxx-dev@lists.llvm.org mailto:libcxx-dev@lists.llvm.org> wrote:
Hi,
It looks like several bots assigned to you started failing after e6a39f00e8d0 was committed:
http://lab.llvm.org:8011/builders/libcxx-libcxxabi-libunwind-armv8-linux-noexceptions <http://lab.llvm.org:8011/builders/libcxx-libcxxabi-libunwind-armv8-linux-noexceptions> <http://lab.llvm.org:8011/builders/libcxx-libcxxabi-libunwind-armv8-linux-noexceptions <http://lab.llvm.org:8011/builders/libcxx-libcxxabi-libunwind-armv8-linux-noexceptions>> http://lab.llvm.org:8011/builders/libcxx-libcxxabi-libunwind-armv8-linux <http://lab.llvm.org:8011/builders/libcxx-libcxxabi-libunwind-armv8-linux> <http://lab.llvm.org:8011/builders/libcxx-libcxxabi-libunwind-armv8-linux <http://lab.llvm.org:8011/builders/libcxx-libcxxabi-libunwind-armv8-linux>> http://lab.llvm.org:8011/builders/libcxx-libcxxabi-libunwind-aarch64-linux <http://lab.llvm.org:8011/builders/libcxx-libcxxabi-libunwind-aarch64-linux> <http://lab.llvm.org:8011/builders/libcxx-libcxxabi-libunwind-aarch64-linux <http://lab.llvm.org:8011/builders/libcxx-libcxxabi-libunwind-aarch64-linux>> http://lab.llvm.org:8011/builders/libcxx-libcxxabi-libunwind-aarch64-linux-noexceptions <http://lab.llvm.org:8011/builders/libcxx-libcxxabi-libunwind-aarch64-linux-noexceptions> <http://lab.llvm.org:8011/builders/libcxx-libcxxabi-libunwind-aarch64-linux-noexceptions <http://lab.llvm.org:8011/builders/libcxx-libcxxabi-libunwind-aarch64-linux-noexceptions>>They all fail on the test libcxx/test/libcxx/modules/stds_include.sh.cpp with the following error:
<...>/libcxx/test/libcxx/modules/stds_include.sh.cpp:28:2: fatal error: file '<...>/libcxx/include/type_traits' has been modified since the module file '<TMP>/ModuleCache/1E92AHT/std-1V9DLRO.pcm' was built #include <vector> ^ <...>/libcxx/test/libcxx/modules/stds_include.sh.cpp:28:2: note: please rebuild precompiled header '<TMP>/ModuleCache/1E92AHT/std-1V9DLRO.pcm' 1 error generated.Our other bots are not failing, so I very strongly suspect this is not because of the change itself, but rather some weirdness in your bot configuration. For that reason, I will *not* revert the change (that would likely not improve the situation anyway). Can you please collaborate with us to understand and fix the issue?
Also, is there a Docker image used to run the bots? That is our preferred way of handling libc++/libc++abi bots, because that means anyone can reproduce the failures locally. If the bots don't require anything specific beyond the CMake configuration they're testing, you could even use our existing Docker images based on Debian.
Louis
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