El 05/01/15 a les 9.50, Jan Beulich ha escrit:
>>>> Roger Pau Monné<roger....@citrix.com> 12/22/14 7:44 PM >>>
>> To make sure FreeBSD was not playing tricks behind Xen's back, and
>> AFAICT FreeBSD is not touching the IO APIC at all. Also Xen doesn't show
>> any pending EOI timers ('a' debug key).
>
> Btw, as I'm not sure it was said explicitly earlier: Does use of interrupt
> remapping matter here?
I don't think so, but I've done all the tests with interrupt remapping
disabled. On two identical boxes I have I must forcefully disable
interrupt remapping or else I get no serial console output
(http://lists.xen.org/archives/html/xen-devel/2014-07/msg02884.html). On
another box I've tested interrupt remapping is not supported by the
hardware.
Roger.
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