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Bug#618930: High network latency with ralink usb wireless device



On Sat, 2011-03-19 at 17:13 +0000, Richard Kettlewell wrote:
> Package: linux-image-2.6.38-1-686
> Version: 2.6.38-1
> 
> I have a TP-Link TL-WN321G UBS wireless adapter, which is a badged 
> Ralink RT2070.  Under 2.6.32 this worked smoothly with rt2870sta.  On 
> upgrading to 2.6.38, I ran into two problems:
> 
> 1) it is not automatically detected; I had to explicitly load rt2800usb.

This doesn't make sense.  If it was not detected, the driver would not
bind to it when you loaded the module.  So this is not a kernel bug.

> 2) ping latency is around 600ms.

That seems extreme even for USB!

> I see that the ralink staging drivers were disabled a few revisions back 
> - perhaps they could be re-enabled since they work better?
[...]

Sorry, no.  Please report this upstream to
linux-wireless@vger.kernel.org and cc the bug address.

Ben.

-- 
Ben Hutchings
Once a job is fouled up, anything done to improve it makes it worse.

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