Re: [Xen-users] Problem with Broadcom Corporation NetXtreme II BCM5708 bnx2

[Jefferson Ogata <xen-users@xxxxxxxxxxxx>]

[Re-sending; used wrong source address.]

rem@xxxxxxx wrote:
> I have a Dell PowerEdge 1950 with two NICs Broadcom NetXtreme II BCM5708 
> 1000Base-T. I installed CentOS 5.1 and Xen 3.0.3 (RPM). One of my 
> virtual machines has Windows 2003 Server. In this virtual machine my 
> NICs appears like "Realtek RTL8139 Family PCI Fast Ethernet NIC". The 
> problem is that when I ping to other machines sometimes the reply time 
> value is very high:
> C:>  ping 10.1.1.1
> Reply from 10.1.1.1: bytes=32 time<1ms TTL=127
> Reply from 10.1.1.1: bytes=32 time<1ms TTL=127
> Reply from 10.1.1.1: bytes=32 time<1ms TTL=127
> Reply from 10.1.1.1: bytes=32 time=-29815ms TTL=127
> Reply from 10.1.1.1: bytes=32 time<1ms TTL=127
> Reply from 10.1.1.1: bytes=32 time<1ms TTL=127
> Reply from 10.1.1.1: bytes=32 time=-298341ms TTL=127
> Reply from 10.1.1.1: bytes=32 time<1ms TTL=127
> Reply from 10.1.1.1: bytes=32 time=29382ms TTL=127
> Reply from 10.1.1.1: bytes=32 time<1ms TTL=127
>
> It important to indicate that the "real" time is good ( approximately 
> between 1 and 2 seconds ). The problem is some applications used this 
> value to monitor some servers and send alarms when time value is high. 
> How you can see some time the reply value is negative.
> The problem is only with virtual Windows machine.
>
> What can I do? Some idea?
Sounds like you have a clock problem to me.

Have you tried disabling acpi in the VM definition?

There's also something called timer_mode, but good luck finding any 
documentation about it (like a lot of other Xen stuff).
--
Jefferson Ogata : Internetworker, Antibozo

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