Re: Strange network behaviour

[Mike <mike-kcIQ9yavhvsV/sYkb9DZNQ@public.gmane.org>]

Avi Kivity schrieb:
> 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?
>
>   
I'm running debian etch with kernel Linux 2.6.18-5-486 #1 Tue Oct 2 
23:38:54 UTC 2007 i686 GNU/Linux
as guest. All the guests are running this distr.
My kvm is pointing to /usr/local/bin/qemu-system-x86_64
2007-12-04 15:29 /usr/local/bin/qemu-system-x86_64

That's the time I compiled kvm-55.


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