Messages in this thread | | | Date | Sat, 28 Dec 2013 18:37:34 -0800 | From | "H. Peter Anvin" <> | Subject | Re: Sanitize CPU-state when switching from virtual-8086 mode to other task |
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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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