Date: Mon, 08 Dec 2008 14:36:33 -0800 From: Sam Leffler <sam@freebsd.org> To: Jille Timmermans <jille@quis.cx> Cc: Vladimir Grebenschikov <vova@fbsd.ru>, current <current@freebsd.org> Subject: Re: svn commit: r185482 - head/sys/dev/ath/ath_rate/sample Message-ID: <493DA171.5050402@freebsd.org> In-Reply-To: <493D1436.3030606@quis.cx> References: <200811301906.mAUJ6Z30099035@svn.freebsd.org> <1228739237.1860.21.camel@localhost> <493D1436.3030606@quis.cx>
next in thread | previous in thread | raw e-mail | index | archive | help
Jille Timmermans wrote: > Vladimir Grebenschikov wrote: >> * On Sun, 2008-11-30 at 19:06 +0000, Sam Leffler wrote: >> >>> Author: sam >>> Date: Sun Nov 30 19:06:35 2008 >>> New Revision: 185482 >>> URL: http://svn.freebsd.org/changeset/base/185482 >>> >>> Log: >>> Major overhaul: >>> o eliminate private state indexed by 802.11 rate codes; use the hal's >>> rate tables directly to get the same info >>> o calculate a mask of operational rates to optimize lookups and >>> checks >>> (instead of using for loops and similar) >>> o optimize size bin operations >>> o ignore rates marked as "do not use" in the hal phy tables >>> o fix bug that caused upshifting to break in 11g once the rate >>> dropped >>> below 11Mb/s >>> o add more intelligent multi-rate tx schedules >>> o add support for 1/2 and 1/4 width channels >>> o add dev.ath.X.sample_stats sysctl to dump runtime statistics to >>> the console >>> (needs to go up to a user app) >>> o export more tuning knobs via sysctls (still a couple of magic >>> constants) >>> >> >> Looks like, after that commit, I can't use if_ath loaded as module any >> more: >> >> # kldload /boot/kernel/ath_rate.ko >> kldload: can't load /boot/kernel/ath_rate.ko: No such file or directory >> # dmesg | tail -n1 link_elf: symbol ath_hal_computetxtime undefined >> # >> >> Yes, I've read UPDATING entry 20081130. >> But I have no ath_hal entry in my kernel config, I've loaded ath as >> KLDs. >> >> How to fix that problem ? >> > I have the same problem if I load it with kernel modules. > If I compile it into my kernel (with ath, ath_hal and that option > (can't remember it for now)) my system paniced during boot. > I can't get a coredump, but I will try getting a stacktrace with ddb > tonight. > > My Atheros (2413 iirc) wasn't usable before the import (did some > printf's during boot, but I couldn't get ath0 showing up in ifconfig) > I am willing to help debugging if needed. Where is the PR? Sam
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?493DA171.5050402>