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Date:      Mon, 19 Aug 2013 19:00:55 +0530
From:      Tj Hariharan <tj@archlinux.us>
To:        Adrian Chadd <adrian@freebsd.org>
Cc:        FreeBSD Stable Mailing List <freebsd-stable@freebsd.org>
Subject:   Re: [ATH] 9.2-PRERELEASE and wlan0 device disconnection
Message-ID:  <20130819133000.GA1404@tahoe.tj-h.info>
In-Reply-To: <20130819054501.GA92991@tahoe.tj-h.info>
References:  <CAOz4XF-%2B4dnecDkFTy6FPHqjSYjxmYkM9Ctp0QiXnf%2B7CsueEg@mail.gmail.com> <CAOz4XF9Ne54ohTfF26tFWjc34qeFy2jwk5bKeNDpbwGurgOsFA@mail.gmail.com> <CAOz4XF8_=_ZuoHj0-Xz3dmLOt=AB6Hu64ppqQ9d0WoC-zBeiEw@mail.gmail.com> <CAJ-Vmon-pyc_j4Pj8Sb6VFZfXRXk%2Bra1uRg-hXBhGcO7WPxLYQ@mail.gmail.com> <20130818121916.GA55695@tahoe.tj-h.info> <CAJ-VmokkFTnOs=%2BPZH-xt76sodHVC9KYNkaDE%2BUOcxP7VWnyyQ@mail.gmail.com> <20130819054501.GA92991@tahoe.tj-h.info>

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On Mon, Aug 19, 2013 at 11:15:32AM +0530, Tj Hariharan wrote:
> O never mind, it still happens, though obviously more intermittently,
> since I didn't notice anything odd for almost an entire day. A few more
> things this time though:
>=20
> a. It IS intermittent, there seems to be very little pattern to this,
> except that it seems to be more likely to happen when/if I am using the
> internet more and actively (e.g. youtube etc rather than just let a few
> small internet using things run).=20
>=20
> b. There seems to be an extra line in the error logs:
> =09
> 	"Aug 19 10:53:47 tahoe dhclient[79063]: ioctl(SIOCGIFFLAGS) on
> 		wlan0: Operation not permitted"
=20
> On Sun, Aug 18, 2013 at 09:02:41AM -0700, Adrian Chadd wrote:
> > good to know!
> >=20
> >=20
> >=20
> >=20
> > -adrian
> >=20
> >=20
> > On 18 August 2013 05:19, Tj Hariharan <tj@archlinux.us> wrote:
> >=20
> > > Ok so, at the time I was using r254246. Just this afternoon, I realis=
ed
> > > there were quite a few commits after that. I am now on r254444 and
> > > everything seems to be working fine, i.e. no more wlan0 dying randoml=
y.
> > > I have no idea what is causing this, though. (the r254246 was from
> > > installing from a download of 9.2 dvd).
> > > On Sat, Aug 17, 2013 at 09:49:49PM -0700, Adrian Chadd wrote:
> > > > Hi!
> > > >
> > > > I'm not sure what could've caused this! Not much has changed in the
> > > > wireless stack and ath driver between 9.1 and 9.2. Would you be abl=
e to
> > > > work through different svn versions of stable/9 between 9.1 and 9.2=
 to
> > > > narrow down when things broke?
> > > >
> > > > It may be something other than the wifi driver/stack.
> > > >
> > > > Thanks!
> > > >
> > > >
> > > > -adrian
> > > >
> > > >
> > > >
> > > > On 17 August 2013 05:12, Tj <tj@archlinux.us> wrote:
> > > >
> > > > > (Sorry emailed from wrong address, re emailing)
> > > > >
> > > > > Hi, I just upgraded to 9.2-PRERELEASE from 9.1-RELEASE, I have no=
t had
> > > this
> > > > > problem before with any version of freebsd however. I have an ATH=
EROS
> > > card
> > > > > (AR928X according to pciconf), things go fine except every few
> > > > > minutes/hours (randomly) I get the following
> > > > > http://bpaste.net/show/123755/ type
> > > > > of error, and  the network is no longer connected, however, beyon=
d the
> > > fact
> > > > > that I can't even reach my router there's no obvious other sign, =
I.e
> > > > > ifconfig still shows a valid output with ip address etc as if it =
were
> > > still
> > > > > connected. Restarting the netif service fixes it, until it happens
> > > again -
> > > > > which it does in a short while (though sometimes I have to restart
> > > netif
> > > > > twice).
> > > > >
> > > > > As I said, this happened just as I upgraded from 9.1 to 9.2. Anyo=
ne
> > > have
> > > > > any idea what's causing this?
> > > > >
> > > > > -Tj Hariharan
> > > > > _______________________________________________
> > > > > freebsd-stable@freebsd.org mailing list
> > > > > http://lists.freebsd.org/mailman/listinfo/freebsd-stable
> > > > > To unsubscribe, send any mail to "
> > > freebsd-stable-unsubscribe@freebsd.org"
> > > > >
> > >
> > > --
> > > Tejas (Tj) Hariharan
> > > Email: tj@archlinux.us
> > >
>=20


Okay it's gotten MUCH worse now. netif can no longer be stopped without
a reboot when "wlan0" craps out. (As I mentioned a restart usually fixes
things). While trying to stop netif attempts to destroy the wlan0
interface, which fails - which, as it turns out is where the "ioctl: operat=
ion not permitted error" error comes from I think.=20
--=20
Tj Hariharan
Email: Tj@archlinux.us=20

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