Hi Stanislaw, On Fri, 2010-10-22 at 05:56 -0700, Stanislaw Gruszka wrote: > On Thu, Oct 21, 2010 at 03:13:48PM +0200, Stanislaw Gruszka wrote: > > On Thu, Oct 14, 2010 at 10:32:05AM +0200, Stanislaw Gruszka wrote: > > > > Looks good, the only thing is if priv->tx_power_user_lmt == > > > > priv->tx_power_next, we don't even have to call set_tx_power, but I > > > > guess calling it won't hurt, so its your decision check or not. > > > > > > I'll will call iwl_set_tx_power( ... , false); what seems to be right > > > thing to do. > > > > Set tx power have to be forces. Without that I get > > > > iwlagn 0000:40:00.0: low ack count detected, restart firmware > > iwlagn 0000:40:00.0: On demand firmware reload > > iwlagn 0000:40:00.0: Stopping AGG while state not ON or starting > > iwlagn 0000:40:00.0: queue number out of range: 0, must be 10 to 19 > > iwlagn 0000:40:00.0: Aggregation not enabled for tid 0 because load = 0 > > iwlagn 0000:40:00.0: Aggregation not enabled for tid 0 because load = 1 > > iwlagn 0000:40:00.0: Aggregation not enabled for tid 0 because load = 0 > > iwlagn 0000:40:00.0: Aggregation not enabled for tid 0 because load = 0 > > iwlagn 0000:40:00.0: iwlagn_tx_agg_start on ra = 00:23:69:35:d1:3f tid = 0 > > iwlagn 0000:40:00.0: low ack count detected, restart firmware > > iwlagn 0000:40:00.0: On demand firmware reload > > iwlagn 0000:40:00.0: Stopping AGG while state not ON or starting > > iwlagn 0000:40:00.0: queue number out of range: 0, must be 10 to 19 > > iwlagn 0000:40:00.0: iwlagn_tx_agg_start on ra = 00:23:69:35:d1:3f tid = 0 > > iwlagn 0000:40:00.0: low ack count detected, restart firmware > > iwlagn 0000:40:00.0: On demand firmware reload > > iwlagn 0000:40:00.0: Stopping AGG while state not ON or starting > > iwlagn 0000:40:00.0: queue number out of range: 0, must be 10 to 19 > > iwlagn 0000:40:00.0: Aggregation not enabled for tid 0 because load = 4 > > iwlagn 0000:40:00.0: Aggregation not enabled for tid 0 because load = 0 > > > > on 5300 and device was unusable in general. Hence I will only comment > > that forcing send tx power after scan is needed. > > Not true. I have the same problem with vanilla 2.6.36 without any of my > patches (further investigation show this is 2.6.34 -> 2.6.35 > regression). Problem happens only on 5Ghz, that confused me > because NetworkManager in some cases connects to 5Ghz, in others to > 2.4Ghz on my system. > > Since my patches do not screw up (at least not that thing :) I'm going > to repost them, also further bisect this "low ack count detected" issue. > the error message indicate "low ack count" received by driver. not sure how it happen? is it only happen on 5GHz, or the problem on both band? Thanks Wey -- 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