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xen-ia64-devel
RE: [Xen-ia64-devel] VT-i: general exception
>From: Isaku Yamahata
>Sent: 2006?4?11? 10:14
>> >inside vmx_ivt.S:
>> >
>> >// 0x5400 Entry 24 (size 16 bundles) General Exception (5,32,34,36,38,39)
>> >ENTRY(vmx_general_exception)
>> > VMX_DBG_FAULT(24)
>> > VMX_FAULT(24)
>> >// VMX_REFLECT(24)
>> >END(vmx_general_exception)
>> >
>> >IIRC, VMX_FAULT is an infinite loop. Therefore, in case of general
>> >exception
>> >raised at the hots IVT, xen locks.
>> >
>> >Is it a bug or something not finished ?
>> It's not a bug, normally general exception will not happen in guest,
>> If it does happen, that means something wrong, it was used for
>> debugging.
>
>Now xen/ia64 has register dump/stack trace functionality.
>So would it be much better to show stack trace than silent loop?
>
Sure, I can use that.
Thanks,
Anthony
>--
>yamahata
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