packet drop with intel gigabit / marwell gigabit

[Kevin Day]

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.