Re: smsc95xx performance bug: eth vs usb

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Quoting DJ Delorie <dj@xxxxxxxxxx>:

>
>> I was interested to find out if this USB-device is conflicting with
>> the storage. Therefore you might be able to disable smsc95xx and see
>> if your storage performs much better.
>
> The storage is *also* connected via the smsc9514 chip.  It's a USB
> docking port for sata disks.
>
> So, ethernet and storage are going through the same physical USB hub
> (the smsc9514).

Can you put the ethernet and storage on different hubs? (it may not be..)

Does the issues replicate itself if you are using a usb drive  
connection instead of a sata one? (with the ethernet running through  
the hub still)

Or do you see similar crappy performance with the nic adapter  
unplugged and unused?

Can you plug the docking hubs into another hub before it reaches the device?

Can you tell if the nic adapter is going into a sleep mode?

Can you add power to the hub? (maybe it is drawing too much power if  
something is bus-powered..)






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