[Bug 788274] rsync, ssh: ath5k +AR2413 (more unknowns in the equation)

gene 788274 at bugs.launchpad.net
Thu Oct 27 18:17:12 UTC 2011


I came to the conclusion that this issue is related to ath5k driver with
AR2413 wireless chip communicating with the Netgear WGR614 router via
WPA2 protocol. The wireless chip here does matter, since I have another
notebook (ubuntu 10.10, on 2.6.35* kernel, ath5k with a different chip
though) that does not have the said problems.

Discovered that ssh and rsync also suffer from the throttled traffic
when run wirelessly. In fact, rsyncing both from and to the affected
machine stalls, as well as sshing to it. That only happens while on the
wireless connection. We are talking about the aforementioned Netgear's
LAN in all the cases.

I downloaded a 1 year old 2.6.35 kernel. It seemed to be better,
however, sshing to the machine would also freeze in the middle of the
session.

This is very weird taking good numbers from the  connection speed test (
testmy.net ) into account makes it more weird.

Not sure what to do next. My nest suspicion would the combination the
wireless card, router and the WAP2 authentication protocol. I will try
turning the latter off and or trying other ones.

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https://bugs.launchpad.net/bugs/788274

Title:
  throttled traffic/slow dns  with ath5k (AR2413 wireless card) +WAP2
  with netgear wgr614

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