Xen devel - Mar 2007 - vlapic warning messages

While running unmodified  guests  I sometime  get the following warning message
from vlapic:

vlapic.c:217:d0 Bad DFR value for lapic of vcpu 0

Any ideas on what the problem might be.

Regards,

K. Y





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On 13/3/07 21:56, "Ky Srinivasan" <ksrinivasan@novell.com>
wrote:
> While running unmodified  guests  I sometime  get the following warning
> message from vlapic:
> 
> vlapic.c:217:d0 Bad DFR value for lapic of vcpu 0
> 
> Any ideas on what the problem might be.
Can you extend that line of tracing to print the bad value
(vlapic_get_reg(vlapic, APIC_DFR))?

I''d say it''s most likely that the guest is writing zeroes into
reserved-1
bits of the DFR, and we should be ignoring the modification of those bits.

 -- Keir


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