id = 1802
title = "windows serial COM PollingFunc don't sleep if guest uart can't write"
state = "opened"
created_at = "2023-08-01T20:57:30.533Z"
closed_at = "n/a"
labels = ["hostos: Windows", "target: arm", "workflow::Needs Info"]
url = "https://gitlab.com/qemu-project/qemu/-/issues/1802"
host-os = "Windows 10 22H2"
host-arch = "x64"
qemu-version = "QEMU 8.0.91"
guest-os = "none / machine mps2-an386"
guest-arch = "ARM Cortex-M4"
description = """If two or more characters are sent from the host to the guest via Windows Com/Serial, everything freezes."""
reproduce = """1.
2.
3."""
additional = """I fix it in qemu/chardev/char-win.c see attached file"""