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ladybird/Documentation/Troubleshooting.md
Luke c94b0e80e7 Kernel: Stop booting and print if PAE is not supported by the processor 
We currently require PAE and not having it causes us to crash.
This turns that crash into an error message.
2021-07-09 01:29:52 +02:00

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Troubleshooting

In case of an error, you might find an answer of how to deal it here.

I build everything, the VM starts and then I see...

"Error: Kernel Image too big for memory slot. Halting!"

This means the kernel is too large again. Contact us on the discord server or open a GitHub Issue about it. You might want to revert latest changes in tree to see if that solves the problem temporarily.

"Your computer does not support long mode (64-bit mode). Halting!"

Either your machine (if you try to boot on bare metal) is very old, thus it's not supporting x86_64 extensions, or you try to use VirtualBox without using a x64 virtualization mode or you try to use qemu-system-i386 which doesn't support x86_64 extensions too.

"Your computer does not support PAE. Halting!"

  • If booting on bare metal, your CPU is too old to boot Serenity.
  • If you're using VirtualBox, you need to enable PAE/NX. Check the instructions here.
  • If you're using QEMU, the CPU model configuration is not exposing PAE.