Re: Strange network behaviour

Avi Kivity
2007-12-05T10:29:01Z

Mike wrote:
> Now I noticed a strange behaviour.
> I have a gameserver running in a guest os. No problems on performance
> side, really fast.
> The only thing, when I make a ping test after unspecific time periods I
> get this: (this peaks are even there if the gameserver isn't running)
>
>
> As you can see, no peaks.
> Example of start command from a guest:
> kvm -hda apache.img -hdb apache_storage.img -m 512 -boot c -net
> nic,vlan=0,macaddr=00:16:3e:00:00:01,model=rtl8139 -net tap -nographic
> -daemonize
>
> Here the pings from the guest started with the command line listed above:
>
> Reply from 195.24.77.171: bytes=32 time=37ms TTL=57
> Reply from 195.24.77.171: bytes=32 time=37ms TTL=57
> Reply from 195.24.77.171: bytes=32 time=97ms TTL=57
> Reply from 195.24.77.171: bytes=32 time=60ms TTL=57
> Reply from 195.24.77.171: bytes=32 time=186ms TTL=57
> Reply from 195.24.77.171: bytes=32 time=363ms TTL=57
> Reply from 195.24.77.171: bytes=32 time=368ms TTL=57
> Reply from 195.24.77.171: bytes=32 time=972ms TTL=57
> Reply from 195.24.77.171: bytes=32 time=673ms TTL=57
> Reply from 195.24.77.171: bytes=32 time=1133ms TTL=57
> Reply from 195.24.77.171: bytes=32 time=1198ms TTL=57
> Reply from 195.24.77.171: bytes=32 time=1881ms TTL=57
> Reply from 195.24.77.171: bytes=32 time=2341ms TTL=57
> Reply from 195.24.77.171: bytes=32 time=2401ms TTL=57
>

What guest are you running?

'kvm' isn't the name of the binary generated by make. Are you sure it
is actually the binary from kvm-55?

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