[libcxx-dev] Failing libcxx-libcxxabi-libunwind bots

[Yvan Roux via libcxx-dev]

On Mon, 6 Apr 2020 at 15:18, Louis Dionne <ldionne at apple.com> wrote:

>
>
> On Apr 6, 2020, at 08:21, Yvan Roux <yvan.roux at 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.
>

Nope, there is nothing special on cmake command line.

http://lab.llvm.org:8011/builders/libcxx-libcxxabi-libunwind-armv8-linux/builds/1512/steps/cmake/logs/stdio

Yvan


>
> Louis
>
>
> All our bots run inside containers, they are available here
> https://hub.docker.com/u/linaro
>
> Thanks
> Yvan
>
> On Mon, 6 Apr 2020 at 10:08, Louis Dionne <ldionne at apple.com> wrote:
>
>>
>>
>> > On Apr 2, 2020, at 13:28, Louis Dionne via libcxx-dev <
>> libcxx-dev at 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
>> <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-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
>>
>> _______________________________________________
>> linaro-toolchain mailing list
>> linaro-toolchain at lists.linaro.org
>> https://lists.linaro.org/mailman/listinfo/linaro-toolchain
>
>
>
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