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 <bottleman@xxxxxxxxxx> wrote: TP>> On 2012-12-03 14:37 -0000, Chaoxing Lin wrote linux-wireless@xxxxxxxxxxxxxxx: 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 devel@xxxxxxxxxxxxxxxxxxxx on any TP>mesh bugs in the future. TP> TP>Thanks! TP>Thomas TP>-- TP>To unsubscribe from this list: send the line "unsubscribe linux-wireless" in TP>the body of a message to majordomo@xxxxxxxxxxxxxxx TP>More majordomo info at http://vger.kernel.org/majordomo-info.html TP> 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: GHhost@xxxxxxxxxx JID: GHhost@xxxxxxxxxx YG129-RIPE YG129-RIPE
