packet drop with intel gigabit / marwell gigabit

[OxY]

okay, i will try it in a couple days
----- Original Message ----- 
From: "Kevin Day" <toasty at dragondata.com>
To: "OxY" <oxy at field.hu>
Cc: <freebsd-net at freebsd.org>; <freebsd-performance at freebsd.org>
Sent: Sunday, March 19, 2006 5:52 PM
Subject: Re: packet drop with intel gigabit / marwell gigabit


> 
> 
> On Mar 18, 2006, at 5:44 AM, OxY wrote:
> 
>> hi!
>>
>> i had the packet drop problem with the marwell yukon gigabitcard:
>> (system is an amd 2000+xp, 512mb ram, fbsd 6.0-p5)
>>
>> when the apache ran, with no http, just used to share files and the  
>> traffic was
>> 2-2,5MB/S i had 14-17% packet drop on the gigabit interface..
>> with the sysctl i succesfully pulled it down to 12-14%, but it was  
>> terrible,
>> so i bought an intel pro/1000 gt.
>> with this i have 3-6% drop with same traffic load on the other  
>> interface..
>> when i stop the apache packet drop falls down to 0-0.1%, which is  
>> great.
>> but with apache it's terrible..
> 
> 
> Just on a hunch, can you try putting the card in a different PCI  
> slot? There may be interrupt routing issues.
> 
> 
>