rust-osdev / rust-osdev/bootloader

Floppy image boot fails on virtual box 7.0.2 with "No support for int13h extensions"

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Dominant language
Rust
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Forks
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Description

Hi!

I cannot get my test code to boot on virtual box. Just following message is displayed:

Booting (First stage)... No support for int13h extensions

I assume this does not even go to the point where my code would matter?

Contributor guide

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First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Start by reproducing the first-stage floppy-image boot in VirtualBox 7.0.2 and capture the conditions that produce “No support for int13h extensions.” Read the bootloader’s first-stage handling and compare the failing setup with a working boot path; done means the cause and a verifiable fix or compatibility limitation are documented.

Written by the indexing model from the issue text.

Assessment

Tech stack
rust
Domain
operating-systems
Issue type
Bug
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
25/100

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