On 2012-12-08 07:23 +0400, Georgiewskiy Yuriy wrote Thomas Pedersen:
GY>On 2012-12-07 19:17 -0800, Thomas Pedersen wrote Georgiewskiy Yuriy:
GY>
GY>ок, i try this and report results, can you also test on 2.4 Ggz? as i
GY>understand ch 149 is 802.11a? or this make no sense here?
and also signal level make sense in my case, i just remove antennas from one of
the nodes
in range of 3 meters, it works only with pigtails, signal drops to -70 - -80
dbm, and it's
triggers filed to stop tx dma immediatlly.
GY>
GY>TP>Hi Chaoxing and Georgiewsky,
GY>TP>
GY>TP>On Mon, Dec 3, 2012 at 6:45 AM, Georgiewskiy Yuriy <[email protected]>
wrote:
GY>TP>> On 2012-12-03 14:37 -0000, Chaoxing Lin wrote
[email protected]:
GY>TP>>
GY>TP>> CL>After a lot of experiments, here are various problems observed.
GY>TP>> CL>
GY>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.
GY>TP>> CL>Is anyone looking at this issue? This issue is now very easy to
recreate.
GY>TP>>
GY>TP>> In my case it much more than 3%.
GY>TP>
GY>TP>With wireless-testing HEAD (671c924) I made the following observations
GY>TP>with 3 nodes in a mesh using ch. 149 HT20 on AR9280.
GY>TP>
GY>TP>1. ping -i0.1 does not cause aggregation to take place, and losses are 0%
GY>TP>2. a UDP iperf test with two nodes generating traffic shows losses
GY>TP>around 1%. We can observe aggregation taking place in this case.
GY>TP>
GY>TP>Can either of you guys reproduce this with the latest
GY>TP>wireless-testing? Also please CC [email protected] on any
GY>TP>mesh bugs in the future.
GY>TP>
GY>TP>Thanks!
GY>TP>Thomas
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GY>
GY>C уважением With Best Regards
GY>Георгиевский Юрий. Georgiewskiy Yuriy
GY>+7 4872 711666 +7 4872 711666
GY>факс +7 4872 711143 fax +7 4872 711143
GY>Компания ООО "Ай Ти Сервис" IT Service Ltd
GY>http://nkoort.ru http://nkoort.ru
GY>JID: [email protected] JID: [email protected]
GY>YG129-RIPE YG129-RIPE
C уважением With Best Regards
Георгиевский Юрий. Georgiewskiy Yuriy
+7 4872 711666 +7 4872 711666
факс +7 4872 711143 fax +7 4872 711143
Компания ООО "Ай Ти Сервис" IT Service Ltd
http://nkoort.ru http://nkoort.ru
JID: [email protected] JID: [email protected]
YG129-RIPE YG129-RIPE
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