Re: Problems with ath at kern.hz=100
Bengt Ahlgren <[email protected]>
| Newsgroups | gmane.os.freebsd.devel.mobile |
|---|---|
| Message-ID | <[email protected]> |
Sam Leffler <[email protected]> writes: > Bengt Ahlgren wrote: >> Sam Leffler <[email protected]> writes: >> >> [...] >> >> >>> You've removed all the context of the original problem; I can't recall >>> what you were trying to fix. The ps q drops might be caused by a bug >>> that was fixed (I think in RELENG_7). I don't see what version of >>> code you're running so can't tell. >>> >> >> Sorry, a summary of the problem: >> >> The system frequently comes into a state where outgoing packets are >> held somewhere. The condition persists for seconds to minutes. It >> goes away by itself, but some of the packets are usually lost. This >> occurs on ath, FreeBSD 7.1-REL, no SMP, with kern.hz=100 (but not with >> hz=1000). Original mail with description can be found here: >> >> http://lists.freebsd.org/pipermail/freebsd-mobile/2009-February/011343.html >> >> I have done some more investigation, inserting debug prints in >> ath_start (if_ath.c 1.177.2.2.2.1), one just after IFQ_DRV_DEQUEUE >> (line 1576), another just before the call to ieee80211_pwrsave (line >> 1614). >> >> Packets are dequeued, but ieee80211_pwrsave is called and nothing >> happens. Below is the output from "athdebug xmit" with these extra >> two DPRINTF:s during the queue-up. Then after a while packets are >> sent again. >> >> Bengt >> >> > <...debug output removed...> > > Did you try RELENG_7? ap mode power save was fixed post 7.1 release. I can do that, but I am not using ap mode. Will it still be useful? Bengt _______________________________________________ [email protected] mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-mobile To unsubscribe, send any mail to "[email protected]"