packet drop with intel gigabit / marwell gigabit

[OxY]

i decided to give up, can't get rid of packet loss...
thank you all for your help!

----- Original Message ----- 
From: "Jin Guojun [VFFS]" <g_jin at lbl.gov>
To: "OxY" <oxy at field.hu>
Cc: "Lucas Holt" <luke at foolishgames.com>; "FreeBSD Mailing Lists" 
<freebsd-performance at freebsd.org>; "Arne Woerner" <arne_woerner at yahoo.com>
Sent: Monday, March 27, 2006 5:51 AM
Subject: Re: packet drop with intel gigabit / marwell gigabit


> OxY wrote:
>
>> what kind of details should i attach? to analyze the problem?
>
> Assume that you have process A to cause process B dropping packets:
>
> Step (1):
> Run B only -- what is the maximum through without packet drop?
>                   what is the CPU utilization?
>                   what type of traffic (protocol -- TCP, UDP, etc.) does B 
> use?
>                   does B have other I/O? If so, how much is the I/O 
> bandwidth used?
>
> Step (2):
> reRun B and involving A gradually (increasing A's wieght) till B drops 
> packets.
>    provide all above statistics for A and B at this point (where drop 
> starts).
>
> One thing I missed in your original post what protocol drops packet -- 
> TCP or UDP?
>
>    -Jin