Michael Knyszek

@rsc Assigning to you right now while you're updating the image, but feel free to unassign once you're done. Updates from internal discussion: - Seems to reproduce after the update,...

CC @dmitshur @toothrot

I think it's worth noting that the hangs are so long that this is unlikely to be a test deadlocking, because it should have timed out by now.

@cherrymui Assigning to you for now since you last replied but please feel free to unassign!

FWIW it looks like TestCreateDependency had a flake: [2022-09-01T03:24:42-49ab44d-86e9e0e/openbsd-amd64-70](https://build.golang.org/log/7d3e7d2ab3f3598f8aca010a72e3b83c428a0661) Should this get a new issue or is it relevant enough to this?

I'm not certain what we're going to do about this as this isn't necessarily a supported build configuration (AFAICT). @cuonglm filed an upstream bug with Goland: https://youtrack.jetbrains.com/issue/GO-13486/Show-warning-when-debug-is-started-with-the-race-option. Assigning this @cuonglm...

My best guess is it's stuck trying to STW because there's a bunch of goroutines stuck in semacquire (probably the STW sema for a GC). There's also a goroutine suspiciously...

Actually no, taking a closer look, there are a lot of goroutines stuck in `GC assist wait` and there is actually an idle mark worker in `scanobject`. This seems like...

> The attached one we obtained via windows process dump. I see that you're checking the process dump in Delve; shouldn't that be able to provide a backtrace of each...

When it comes down to it, what matters most is if it improves the performance of real-world programs. You can feel free to implement it and send a PR and...