Jan Midtgaard

Observed another variant of this on the Mingw Windows 5.0.0 workflow https://github.com/ocaml-multicore/multicoretests/actions/runs/5565429087/job/15072781545 ``` random seed: 221745155 generated error fail pass / total time test name [ ] 0 0 0...

Crash seen again on Mingw bytecode trunk: https://github.com/ocaml-multicore/multicoretests/actions/runs/6093487146/job/16533243147 ``` random seed: 373304996 generated error fail pass / total time test name [ ] 0 0 0 0 / 100 0.0s...

Just saw this as a deadlock on Mingw `5.1.0~rc3` (native, not bytecode): https://github.com/ocaml-multicore/multicoretests/actions/runs/6160240834/job/16716723779?pr=395 ``` random seed: 238601704 generated error fail pass / total time test name [ ] 0 0...

Closing this as we haven't seen it in a year. We can reopen if it reappears.

This timed out again on the 0.3 release branch under Cygwin trunk / part2 https://github.com/ocaml-multicore/multicoretests/actions/runs/6481561492/job/17612305533 ``` random seed: 117786625 generated error fail pass / total time test name [ ]...

This also timed out on the 0.3 merge to `main` under Cygwin 5.1 / part2 https://github.com/ocaml-multicore/multicoretests/actions/runs/6483174720/job/17612768749 ``` random seed: 25553377 generated error fail pass / total time test name [...

I updated the title to reflect the #396 and #408 renaming

I saw this again on Cygwin part 2 5.1~alpha2 https://github.com/ocaml-multicore/multicoretests/actions/runs/5224077280/jobs/9437485264 ``` random seed: 478928519 generated error fail pass / total time test name [ ] 0 0 0 0 /...

Reopening as this is showing up again. #368 switched away from `Semaphore.Binary` to using an `int Atomic` uniformly. Unfortunately on macOS this change represents a regression: - On eeb3a55e332b82c7f5fb3fee8a31d9185ee31cf0 (a...

With the merge of #371 into `main` this just happened again: - macOS trunk failed to trigger `STM int64 ref test parallel asymmetric` https://github.com/ocaml-multicore/multicoretests/actions/runs/5474673775/jobs/9969750894#step:18:1087