VirtualBox 5.2x版本下主机与虚拟机串行管道创建及配置咨询

Hey Jay, let's sort out this serial port pipe issue with VirtualBox 5.2x for your Windows XP kernel debugging setup. First off, this isn't a bug—VirtualBox 5.2x simply doesn't auto-create pipes like newer versions do, so we'll need to handle it manually. Here's exactly how to get it working:

First, open your Windows XP VM's settings and navigate to the Serial Ports tab:

• Check the box to Enable Serial Port
• Set the port number to COM1 (this is the default for Windows XP kernel debugging)
• For Port Mode, select Host Pipe
• In the Pipe Path field, enter a valid named pipe path based on your host OS:
  • Windows Host: Use \\.\pipe\WinXPDebugPipe (you can customize the pipe name, just stick to the \\.\pipe\ prefix)
  • Linux/macOS Host: Use /tmp/WinXPDebugPipe (pick a directory you have write access to)

VirtualBox 5.2x won't generate the pipe automatically, so we need to set it up ourselves:

For Windows Hosts: #

Windows named pipes don't require a physical file—just entering the path in VirtualBox is enough. If you get an error when starting the VM, you can confirm the pipe can be created by running this in an admin Command Prompt:

echo test > \\.\pipe\WinXPDebugPipe

You'll get an error saying "No process is on the other end of the pipe"—that's totally normal, it just means the pipe was successfully created and is waiting for a connection.

For Linux/macOS Hosts: #

You need to create a pipe file with the mkfifo command. Open a terminal and run:

mkfifo /tmp/WinXPDebugPipe
chmod 666 /tmp/WinXPDebugPipe

The chmod command ensures VirtualBox has permission to read/write to the pipe.

Before starting your XP VM, launch WinDbg as an administrator, then:

• Go to File > Kernel Debug > COM tab
• Set Baud Rate to 115200 (match this to VirtualBox's serial port baud rate—default is 115200)
• In the Port field, enter the exact same pipe path you used in VirtualBox (e.g., \\.\pipe\WinXPDebugPipe)
• Check the Pipe and Reconnect boxes
• Click OK—WinDbg will now wait for the VM to connect

Now start your Windows XP VM—it should boot successfully, and WinDbg will establish a kernel debugging session once the VM finishes booting.

• Double-check pipe paths: Make sure the path in VirtualBox and WinDbg are identical (case-sensitive on Linux/macOS)
• Permissions matter: Run both VirtualBox and WinDbg as admin on Windows; ensure pipe file permissions are correct on Linux/macOS
• Match baud rates: Mismatched rates will cause connection failures—stick to 115200 for kernel debugging

内容的提问来源于stack exchange，提问作者Riko