On Tue, 7 Sep 2021, Roland Illig wrote:
I am running tests/lib/libc/stdio/t_intr on NetBSD 9.99.88/amd64 inside VirtualBox. The test fails spuriously. I find this surprising since cat uses raw I/O. Or is it maybe h_intr that exposes the bug?
It's a stdio fwrite()/fflush() bug. Try running h_intr with `-w'. -RVP