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docs: Notify that QEMU/KVM debugging isn't supported in pre5.7 kernels #477

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docs: Notify that QEMU/KVM debugging isn't supported in pre5.7 kernels #477

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9 changes: 9 additions & 0 deletions content/guides/debugging.mdx
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Expand Up @@ -115,6 +115,15 @@ qemu-system-x86_64 -s -S -cpu host -enable-kvm -m 128 -nodefaults -no-acpi -disp

Note that the `-s` parameter is shorthand for `-gdb tcp::1234`.

<Info>
QEMU/KVM can't detect guest debug support in Linux kernels earlier than **v5.7** ([details](https://gitlab.com/qemu-project/qemu/-/issues/2710)).
Running the command above could produce such an error:
```console
gdbstub: current accelerator doesn't support guest debugging
```
Verify your Linux kernel version with `uname -r`.
</Info>

Now connect GDB by using the debug image with:

```console
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