id = 1653
title = "qemu uses uefi to install the redhad6.0 VM, use the vnc connect it  which is  stuck"
state = "opened"
created_at = "2023-05-15T12:05:22.931Z"
closed_at = "n/a"
labels = []
url = "https://gitlab.com/qemu-project/qemu/-/issues/1653"
host-os = "centos8"
host-arch = "x86"
qemu-version = "6.2.0"
guest-os = "redhad6.0"
guest-arch = "x86"
description = """I want to use uefi(udk2-->ovmf.fd) to install redhad6.0, but after I enter uefi and start up, I cannot use vnc to connect to it,The screen is black or often stuck, nor can I use the console of other pages, or it is a special slow to be able to use it. It's sure that the virtual machine is not crash. Anad the same operation is normal for redhad6.1 systems."""
reproduce = """1.compile udk2 generate ovmf.fd
compile config: 

make -C BaseTools/Source/C

./OvmfPkg/build.sh -D DEBUG_ON_SERIAL_PORT=true   


2.run qemu with "-bios /bin/OVMF.fd"


3.use vnc to connet it

![image](/uploads/449ea89c218fe5d7e317db351271672a/image.png)

The screen is stuck can't handle it."""
additional = "n/a"