Date: Wed, 11 Feb 2009 15:09:25 -0800 From: Sam Leffler <sam@errno.com> To: Bengt Ahlgren <bengta@sics.se> Cc: stable@freebsd.org, Uwe Laverenz <uwe@laverenz.de> Subject: Re: CFT: ath hal src switchover Message-ID: <49935AA5.4010408@errno.com> In-Reply-To: <uh7tz70siya.fsf@P142.sics.se> References: <49665E35.1050301@errno.com> <4993368A.5040306@laverenz.de> <uh7tz70siya.fsf@P142.sics.se>
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Bengt Ahlgren wrote: > Uwe Laverenz <uwe@laverenz.de> writes: > > >> Sam Leffler schrieb: >> >> >>> those changes. To do this you must have an up to date RELENG_7 code >>> base and then apply this patch: >>> >>> http://people.freebsd.org/~sam/ath_hal-releng7.patch >>> >>> Then rebuild your kernel. There should be no changes to user apps. >>> >> I tested this on a Thinkpad R51 / RELENG_7 / Atheros 5212 and I see no >> problems with the patch. It builds and runs fine and doesn't seem to >> do anything harmful. :) >> >> I have a problem with this machine though (with or without your >> patch): the wireless connection seems to be stalled every few >> minutes. If I try to send some traffic over ath0 or make wpa_cli >> reconnect it comes back for another few minutes. >> >> The only cure for now seems to be "ifconfig ath0 -bgscan". >> > > That sounds like it can be the same symptoms as I described on the > freebsd-mobile list earlier this week: > > http://lists.freebsd.org/pipermail/freebsd-mobile/2009-February/011343.html > > What clockrate do you run at? On my system (Thinkpad X40, Atheros > 5212) the problem does not occur at kern.hz=1000, but it is present at > kern.hz=100. > > Tomorrow evening I will investigate this further including testing if > "ifconfig ath0 -bgscan" makes a difference for me. > There are many many changes to the ath driver in head that are not in stable. If I can get confidence in the hal backport I can try to bring back some of those. But I need to do things in the proper order; I can't backmerge a bunch of stuff, find something is broken, and then have to bisect changes. So people need to help get the hal code in place first. Sam
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