Christopher Baines <mail@cbaines.net> writes:

> I'm seeing this in the build coordinator agent, but it can be reproduced
> by tweaking the guix build script as below. The build coordinator uses
> suspendable ports as this is required to set timeouts for some I/O
> operations.
>
> I'm guessing this is maybe a bug within Guile, but I thought I'd start
> reporting it here anyway.

I've sent a patch now to guile-devel that should fix this issue
https://lists.gnu.org/archive/html/guile-devel/2023-03/msg00014.html