On Fri, Dec 7, 2012 at 7:23 PM, Georgiewskiy Yuriy <bottleman@xxxxxxxxxx> wrote: > 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? Yes I get similar results on the 2.4Ghz band, and no it shouldn't make a difference 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 -- To unsubscribe from this list: send the line "unsubscribe linux-wireless" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
