[Bug]: Any Virtualbox 7.2.20, virtual machine, does not boot, when we configure video memory to be more than 128GB, on macOS 26 and macOS 27 hosts.

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评估

难度
4/5
预计耗时
3-5 天
新手友好度
48/100
Issue 类型
缺陷
描述清晰度
基本清楚
活跃度
活跃
技术栈
c, macos

调研方向

Start with the attached VBox.log and virtual machine configuration to trace the boot failure when 3D acceleration is enabled and video memory exceeds 128 MB on an ARM macOS host. Compare behavior at 128 MB and above, then locate the 3D support code involved; the issue does not name a source file or test. Done means the guest boots with 3D acceleration enabled above that memory setting.

由索引模型根据 Issue 内容生成。

描述

bug
Version

trunk/main

Host OS Type

macOS

Host OS name + version

macOS 27.0.1

Host Architecture

ARM

Guest OS Type

Any OS.

Guest Architecture

ARM

Guest OS name + version

The issue happens on all guest Operating Systems

Component

3D Support

What happened?

If we increase the video memory of a VirtualBox 7.2 virtual machine with any Guest OS, to more than 128MB, with 3D Acceleration enabled, the virtual machine does not boot, it shows black colour.

How can we reproduce this?

If we change the virtual machine memory to more than 128MB, with 3D Acceleration enabled, we get a black screen on boot.

Image Image

test virtual machine.zip

VBox.log

Did you upload all of your necessary log files, screenshots, etc.?
  • Yes, I've uploaded all pertinent files to this issue.
主要语言
C
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PR 合并指标
30 天内没有已合并 PR

环境准备

  • 没有 Dockerfile 或 Docker Compose 文件
  • 没有 Pull Request 模板
  • 阅读贡献指南

从这里开始

  1. 先读完整个 Issue,再读项目的贡献指南。
  2. 在 Issue 下留言说明你要接手 —— 这能避免两个人做同样的事。
  3. Fork 仓库,在一个分支上完成修改。
  4. 提交 Pull Request,并在描述里引用这个 Issue 编号。

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