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