Extreme console latency during disk IO (8.0-RC1,
previous releases also affected according to others)
Kris Kennaway
kris at FreeBSD.org
Wed Oct 14 11:25:33 UTC 2009
Ivan Voras wrote:
> 2009/10/13 Larry Rosenman <ler at lerctr.org>:
>
>>>>> note huge packet loss. It looks like it's VM fault or something like it.
>>>> It sounds like the VM is failing to execute the guest during certain
>>>> types of I/O. A bit of scheduler tracing in the host OS probably wouldn't go
>>>> amiss to confirm that the VM really is suspending the guest
>>> It's VMWare ESXi underneath, which is *Officially Not Linux* though some
>>> ducks may disagree - anyway, I suspect tracing the host in this way is next
>>> to impossible without some kind of diamondium-level contract.
>>>
>> What information do you need? I have a platinum VMWare contract.
>>
>> What version of ESXi?
>
> Hi,
>
> It is ESXi 3.5 - but if the problem is really in ESXi I presume anyone
> could reproduce it. My setup is nothing special - Xeon 5405, 8 GB RAM,
> SATA drives on ICH9.
I recall others having various weird problems in 3.5 that went away when
they upgraded to 4.0.
Kris
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