On 12/28/2013 02:02 PM, halfdog wrote:
> It seems that missing CPU-state sanitation during task switching
> triggers kernel-panic. This might be related to unhandled
> FPU-errors. See [1] for POC and serial console log of OOPs. Due to
> missing real 32-bit x86-hardware it is not clear, if this issue
> might be related to subtle differences in virtual-8086 mode
> handling when inside a virtualbox guest.
>
This oops happens inside the guest? Either way, I would be *very*
skeptical of Virtualbox in this case.
You can run a 32-bit kernel on 64-bit hardware, you know...
-hpa
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