Re: git: 56aaed388b0a - main - Merge libcxxrt master fd484be8d1e94a1fcf6bc5c67e5c07b65ada19b6
- Reply: Antoine Brodin : "Re: git: 56aaed388b0a - main - Merge libcxxrt master fd484be8d1e94a1fcf6bc5c67e5c07b65ada19b6"
- In reply to: Antoine Brodin : "Re: git: 56aaed388b0a - main - Merge libcxxrt master fd484be8d1e94a1fcf6bc5c67e5c07b65ada19b6"
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Date: Sat, 19 Mar 2022 19:52:00 UTC
On 18 Mar 2022, at 15:10, Antoine Brodin <antoine@freebsd.org> wrote: > > On Wed, Mar 9, 2022 at 7:46 PM Dimitry Andric <dim@freebsd.org> wrote: >> >> The branch main has been updated by dim: >> >> URL: https://cgit.FreeBSD.org/src/commit/?id=56aaed388b0a177b9defb4e6ecb8a716abb3cf33 >> >> commit 56aaed388b0a177b9defb4e6ecb8a716abb3cf33 >> Merge: 2ea6414ed8bb 672085f2aef2 >> Author: Dimitry Andric <dim@FreeBSD.org> >> AuthorDate: 2022-03-09 19:45:01 +0000 >> Commit: Dimitry Andric <dim@FreeBSD.org> >> CommitDate: 2022-03-09 19:45:01 +0000 >> >> Merge libcxxrt master fd484be8d1e94a1fcf6bc5c67e5c07b65ada19b6 >> >> Interesting fixes: >> 47661d0 Match libc++abi/libsupc++ when demangling array types >> e44a05c Fix unitialized variable in __cxa_demangle_gnu3 after #6 (#8) >> 5088b05 Remove some code duplication. >> fd484be Atomics cleanup (#11) ... > After this merge, some i386 c++ processes are hanging. > For instance: > http://gohan05.nyi.freebsd.org/data/main-56aaed388b0a-default-foo/2022-03-17_16h07m06s/logs/errors/tbb-2020.3_4.log > http://gohan05.nyi.freebsd.org/data/main-56aaed388b0a-default-foo/2022-03-17_16h07m06s/logs/errors/poppler-qt5-21.12.0.log > http://gohan05.nyi.freebsd.org/data/main-56aaed388b0a-default-foo/2022-03-17_16h07m06s/logs/errors/kf5-kdoctools-5.91.0.log > http://gohan05.nyi.freebsd.org/data/main-56aaed388b0a-default-foo/2022-03-17_16h07m06s/logs/errors/kf5-kguiaddons-5.91.0.log I could reproduce a CMake hang with poppler-qt5, and it turns out that libcxxrt's https://github.com/libcxxrt/libcxxrt/commit/fd484be can make __cxa_guard_acquire hang on i386. I reverted the upstream commit in: https://cgit.freebsd.org/src/commit/?id=2548237983c47c61601b883bb9d6c9a803ef8ce4 Can you please retry after this? -Dimitry