[Bug]: Auto-resize broken with VBoxDRMClient and vmsvga-session on Arch Linux/XFCE

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评估

难度
4/5
预计耗时
3-5 天
新手友好度
43/100
Issue 类型
缺陷
描述清晰度
基本清楚
活跃度
活跃
技术栈
c, linux
领域
desktop, operating-systems

调研方向

Start by tracing how VBoxDRMClient and the VBoxClient vmsvga-session process are started for Guest Additions on Arch Linux with XFCE. Compare that setup with the working VBoxClient --vmsvga command in the report, then inspect the uploaded logs for clues. Done means automatic resizing works after resizing the VM window without manually restarting either process.

由索引模型根据 Issue 内容生成。

描述

bug
Version

7.2.22

Host OS Type

Linux

Host OS name + version

Arch Linux 2026.11.01

Host Architecture

x86

Guest OS Type

Linux

Guest Architecture

x86

Guest OS name + version

Arch Linux 2026.11.01

Component

Guest Additions/Other

What happened?

Automatic guest display resizing doesn't work on guest system with Arch Linux x86_64/XFCE and VirtualBox Guest Additions 7.2.22. Resizing the VirtualBox window does not change the guest display resolution.

However, the following workaround fixes the problem immediately:

$ sudo pkill -x VBoxDRMClient
$ pkill -f '^/usr/bin/VBoxClient --vmsvga-session$'
$ VBoxClient --vmsvga -f -v

After running these commands, automatic display resizing works correctly.

How can we reproduce this?

The host system is Arch Linux x86_64 running Oracle VirtualBox 7.2.22 r175245. The guest system is also Arch Linux x86_64, with XFCE running and virtualbox-guest-utils 7.2.22-1 installed. The VM uses the VMSVGA graphics controller, and the vboxservice service is enabled and running.

Did you upload all of your necessary log files, screenshots, etc.?
  • Yes, I've uploaded all pertinent files to this issue.
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