On 2012-12-07 19:17 -0800, Thomas Pedersen wrote Georgiewskiy Yuriy:
ок, i try this and report results, can you also test on 2.4 Ggz? as i
understand ch 149 is 802.11a? or this make no sense here?
TP>Hi Chaoxing and Georgiewsky,
TP>
TP>On Mon, Dec 3, 2012 at 6:45 AM, Georgiewskiy Yuriy <[email protected]>
wrote:
TP>> On 2012-12-03 14:37 -0000, Chaoxing Lin wrote
[email protected]:
TP>>
TP>> CL>After a lot of experiments, here are various problems observed.
TP>> CL>
TP>> CL>1. The "Fail to stop Tx DMA" related issue plays a role. But not the
major part. It accounts for about 3% of packet loss in my testbed.
TP>> CL>Is anyone looking at this issue? This issue is now very easy to
recreate.
TP>>
TP>> In my case it much more than 3%.
TP>
TP>With wireless-testing HEAD (671c924) I made the following observations
TP>with 3 nodes in a mesh using ch. 149 HT20 on AR9280.
TP>
TP>1. ping -i0.1 does not cause aggregation to take place, and losses are 0%
TP>2. a UDP iperf test with two nodes generating traffic shows losses
TP>around 1%. We can observe aggregation taking place in this case.
TP>
TP>Can either of you guys reproduce this with the latest
TP>wireless-testing? Also please CC [email protected] on any
TP>mesh bugs in the future.
TP>
TP>Thanks!
TP>Thomas
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C уважением With Best Regards
Георгиевский Юрий. Georgiewskiy Yuriy
+7 4872 711666 +7 4872 711666
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