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

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On 19/03/2011 22:31, Johannes Stezenbach wrote:

I sent a patch to disable power save by default, but then work started
to fix it instead, but then stalled.  Seems like 2.6.38 shipped with
broken power save enabled by default.  Plese read the discussion
following my RFC patch:
http://rt2x00.serialmonkey.com/pipermail/users_rt2x00.serialmonkey.com/2011-January/thread.html#3017

You can test if power saving causes your issue by disabling
it with "iwconfig wlan0 power off".

That does the trick - thanks!

richard@sfere:~$ ssh violeer uname -a
Linux violeer 2.6.38-1-686 #1 SMP Wed Mar 16 17:37:47 UTC 2011 i686 GNU/Linux
richard@sfere:~$ ping -qc10 violeer
PING violeer.wlan.anjou.terraraq.org.uk (172.31.59.138) 56(84) bytes of data.

--- violeer.wlan.anjou.terraraq.org.uk ping statistics ---
10 packets transmitted, 10 received, 0% packet loss, time 9016ms
rtt min/avg/max/mdev = 0.919/0.981/1.089/0.057 ms
richard@sfere:~$

ttfn/rjk
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