oh, when it drops to non-N mode, it likely did that because it failed to successfully transmit a BAR frame to the receiver.
can you provide me the whole log? I'll go see what's going on. Thanks! adrian On 16 May 2013 02:09, Lev Serebryakov <l...@freebsd.org> wrote: > Hello, Adrian. > You wrote 15 мая 2013 г., 22:34:26: > > AC> I've just committed my first pass of improved power save and ps-poll > AC> support in AP mode to -HEAD. > AC> There's a bunch of corner cases I'm trying to solve but I'd rather > AC> this be in the driver now rather than later. > AC> So please, update to -HEAD and give this a whirl. Let me know if > AC> things are better, worse or the same. > r250675, my ususal test (300 mbit AP -> Client). > Looks good. First of all, it gives me stable 100-150Mbit, so it could > negotiate HT rates again without TCP :) > > > And it sustain for 600 seconds in this mode, which was impossible > before. > > There was several such messages: > > May 16 12:57:31 gateway kernel: ath0: ath_tx_tid_bar_suspend: > tid=0xffffff8000d82230, bar_wait=0, bar_tx=0, called > May 16 12:57:31 gateway kernel: ath0: ath_tx_tid_bar_tx_ready: > c4:85:08:3f:9e:c2: tid=0xffffff8000d82230 (0), bar ready > May 16 12:57:31 gateway kernel: ath0: ath_tx_tid_bar_tx: c4:85:08:3f:9e:c2: > tid=0xffffff8000d82230, called > May 16 12:57:31 gateway kernel: ath0: ath_tx_tid_bar_tx: c4:85:08:3f:9e:c2: > tid=0xffffff8000d82230, new BAW left edge=676 > May 16 12:57:31 gateway kernel: ath0: ath_bar_response: c4:85:08:3f:9e:c2: > called; tap=0xffffff8000d7f3a0, atid=0xffffff8000d82230, txa_tid=0, > atid->tid=0, status=0, attempts=1 > May 16 12:57:31 gateway kernel: ath0: ath_tx_tid_bar_unsuspend: > c4:85:08:3f:9e:c2: tid=0xffffff8000d82230, called > > But no full stalls. > > I have dev.ath.0.debug=0x900000020 > > A lot of such messages in log when notebook is on battery (no such > messages when it is on AC power): > > May 16 12:51:12 gateway kernel: ath0: ath_node_set_tim: c4:85:08:3f:9e:c2: > enable=1, enabling TIM > May 16 12:51:12 gateway kernel: ath0: ath_node_powersave: c4:85:08:3f:9e:c2: > enable=0 > May 16 12:51:12 gateway kernel: ath0: ath_node_set_tim: c4:85:08:3f:9e:c2: > enable=0, an_pwrsave=0, disabling > May 16 12:51:18 gateway kernel: ath0: ath_node_powersave: c4:85:08:3f:9e:c2: > enable=1 > May 16 12:51:18 gateway kernel: ath0: ath_node_set_tim: c4:85:08:3f:9e:c2: > enable=1, enabling TIM > May 16 12:51:18 gateway kernel: ath0: ath_node_powersave: c4:85:08:3f:9e:c2: > enable=0 > May 16 12:51:18 gateway kernel: ath0: ath_node_set_tim: c4:85:08:3f:9e:c2: > enable=0, an_pwrsave=0, disabling > May 16 12:51:20 gateway kernel: ath0: ath_node_powersave: c4:85:08:3f:9e:c2: > enable=1 > May 16 12:51:20 gateway kernel: ath0: ath_node_set_tim: c4:85:08:3f:9e:c2: > enable=1, enabling TIM > May 16 12:51:20 gateway kernel: ath0: ath_node_powersave: c4:85:08:3f:9e:c2: > enable=0 > May 16 12:51:20 gateway kernel: ath0: ath_node_set_tim: c4:85:08:3f:9e:c2: > enable=0, an_pwrsave=0, disabling > May 16 12:51:21 gateway kernel: ath0: ath_node_powersave: c4:85:08:3f:9e:c2: > enable=1 > May 16 12:51:21 gateway kernel: ath0: ath_node_set_tim: c4:85:08:3f:9e:c2: > enable=1, enabling TIM > May 16 12:51:21 gateway kernel: ath0: ath_node_powersave: c4:85:08:3f:9e:c2: > enable=0 > May 16 12:51:21 gateway kernel: ath0: ath_node_set_tim: c4:85:08:3f:9e:c2: > enable=0, an_pwrsave=0, disabling > May 16 12:51:31 gateway kernel: ath0: ath_node_powersave: c4:85:08:3f:9e:c2: > enable=1 > May 16 12:51:31 gateway kernel: ath0: ath_node_set_tim: c4:85:08:3f:9e:c2: > enable=1, enabling TIM > May 16 12:51:31 gateway kernel: ath0: ath_node_powersave: c4:85:08:3f:9e:c2: > enable=0 > May 16 12:51:31 gateway kernel: ath0: ath_node_set_tim: c4:85:08:3f:9e:c2: > enable=0, an_pwrsave=0, disabling > May 16 12:51:32 gateway kernel: ath0: ath_node_powersave: c4:85:08:3f:9e:c2: > enable=1 > May 16 12:51:32 gateway kernel: ath0: ath_node_set_tim: c4:85:08:3f:9e:c2: > enable=1, enabling TIM > May 16 12:51:32 gateway kernel: ath0: ath_node_powersave: c4:85:08:3f:9e:c2: > enable=0 > May 16 12:51:32 gateway kernel: ath0: ath_node_set_tim: c4:85:08:3f:9e:c2: > enable=0, an_pwrsave=0, disabling > May 16 12:51:34 gateway kernel: ath0: ath_node_powersave: c4:85:08:3f:9e:c2: > enable=1 > > And sometimes it shows: > > May 16 13:05:52 gateway kernel: ath0: ath_node_set_tim: c4:85:08:3f:9e:c2: > enable=1, enabling TIM > May 16 13:05:52 gateway kernel: ath0: ath_node_recv_pspoll: > c4:85:08:3f:9e:c2: leaking frame to TID 0 > May 16 13:05:52 gateway kernel: ath0: ath_tx_leak_count_update: > c4:85:08:3f:9e:c2: leak count = 1, psq=1, swq=6, MORE=1 > May 16 13:05:52 gateway kernel: ath0: ath_node_recv_pspoll: > c4:85:08:3f:9e:c2: leaking frame to TID 0 > May 16 13:05:52 gateway kernel: ath0: ath_tx_leak_count_update: > c4:85:08:3f:9e:c2: leak count = 1, psq=1, swq=8, MORE=1 > May 16 13:05:52 gateway kernel: ath0: ath_node_powersave: c4:85:08:3f:9e:c2: > enable=0 > > It is when traffic goes 100-150Mbit/s, with drops to 75-85 every > ~10th second. > > At second test, after ~300 seconds of test in battery mode it drops to > non-N speeds > and never recovered. > > -- > // Black Lion AKA Lev Serebryakov <l...@freebsd.org> > _______________________________________________ freebsd-wireless@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-wireless To unsubscribe, send any mail to "freebsd-wireless-unsubscr...@freebsd.org"
