Date: Wed, 18 Dec 2013 07:41:17 -0800 From: Adrian Chadd <adrian@freebsd.org> To: Thomas Mueller <mueller6724@bellsouth.net> Cc: "freebsd-wireless@freebsd.org" <freebsd-wireless@freebsd.org> Subject: Re: Atheros 9271 Message-ID: <CAJ-Vmo=P4ARofvHpwUDcgvSExA4EXr-THAtx9igr-O4jQRK6_w@mail.gmail.com> In-Reply-To: <610753.22725.bm@smtp119.sbc.mail.ne1.yahoo.com> References: <597989.6329.bm@smtp118.sbc.mail.bf1.yahoo.com> <CAJ-VmonRfxHxP45MMPTVFo%2B=cYBL4HjrbMpODcVymC-=FbYq_Q@mail.gmail.com> <610753.22725.bm@smtp119.sbc.mail.ne1.yahoo.com>
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I just don't want to be on the hook for supporting the USB side of things. I've been slowly writing an AR9170 USB driver. I am still having issues getting all of the USB stuff stable and bulletproof. The existing USB drivers for wifi aren't really paragons of virtue from a driver perspective. -a On 18 December 2013 01:26, Thomas Mueller <mueller6724@bellsouth.net> wrote: > from Adrian Chadd: > >> THe bit(s) i don't want to really make work mostly involve the USB >> stuff. So, if you grab the USB drivers in sys/dev/usb/wlan/ and look >> at the netbsd/openbsd athn usb code, that right there is what would be >> good to start with. > >> So, if you or someone could port the initial USB glue - attach, >> detach, upload firmware, send commands, receive commands - that'll be >> a big help. > > Now you make me curious why you don't want to work on the USB stuff: > you may have a good reason, but I'm still curious. > > I can look through the source code even when not running NetBSD. > > NetBSD is much less stable than FreeBSD on my hardware. OpenBSD may > possibly be stabler than NetBSD but is more crippled for lack of support > for GPT and USB 3.0, meaning my running of OpenBSD is limited to live USB > from liveusb-openbsd.sourceforge.net : plenty of space on sparsely > occupied 16 GB USB 2.0 stick, but X and GNOME 3.8.3 don't start. This is > the latest version, with OpenBSD 5.4. > > Earlier I had a kernel crash on FreeBSD 10-stable amd64, from just before RC1 > release, preceded by trouble messages from dhclient in connection with rsu. > "make buildworld" with TARGET=i386 went through successfully about 25 minutes > before the crash, and subsequently I completed the build and installation of > FreeBSD 10-stable i386 on 32 GB USB 3.0 stick. I posted a message about that > kernel crash on freebsd-stable list, suspect instability in rsu driver, but > evidence is not conclusive. I could try to improve by > set hint.re.0.disabled="1" > at loader prompt to keep the failing re0 out of the way. I once did that, and > re0 was conspicuous by its absence from /var/run/dmesg.boot and from the output > of running "ifconfig" without parameters. > > Tom >
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