Re: Strange anomaly when Netgear A6100 - AC600 Dual Band WiFi USB Mini Adapter plugged in on boot

On Saturday, February 20th, 2021 at 04:38, Steven Friedrich <FreeBSD_at_twc.com> wrote:

> On Friday, 19 February 2021 06:41:49 EST Steven Friedrich wrote:
>
> > BTW, I included output from pciconf, but the device is USB. Sorry.
> >
> > I was confused because there's an unsupported wi-fi on the motherboard, also
> >
> > from Realtek.
> >
> > mobo Realtek is 8821ce
> >
> > USB Realtek is 8811au
> >
> > On Thursday, 18 February 2021 21:37:34 EST Steven Friedrich wrote:
> >
> > > On Thursday, 18 February 2021 16:35:48 EST
> > >
> > > Daniel
> > >
> > > Stevenson wrote:
> > >
> > > > On Thursday, February 18th, 2021 at 04:40, Steven Friedrich
> > >
> > > FreeBSD_at_twc.com wrote:
> > >
> > > > > Starting devd.
> > > > >
> > > > > Cannot 'start' webcamd. Set webcamd_enable to YES in /etc/rc.conf or
> > > > >
> > > > > use
> > > > >
> > > > > 'onestart' instead of 'start'.
> > > > >
> > > > > There's nothing in /etc/rc.conf to invoke webcam. Nothing in
> > > > >
> > > > > /etc/devd.conf
> > > > >
> > > > > (AFAIK). I haven't modified devd.conf
> > > > >
> > > > > If I unplug the adapter and reboot, no message about webcam appears.
> > > > >
> > > > > Here's the device as reported by pciconf -lv
> > > > >
> > > > > none6_at_pci0:2:0:0: class=0x028000 card=0x831a103c chip=0xc82110ec
> > > > >
> > > > > rev=0x00 hdr=0x00
> > > > >
> > > > > vendor = 'Realtek Semiconductor Co., Ltd.'
> > > > >
> > > > > device = 'RTL8821CE 802.11ac PCIe Wireless Network Adapter'
> > > > >
> > > > > class = network
> > > > >
> > > > > Here's the dmesg
> > > > >
> > > > > ugen0.2: <Realtek 802.11ac WLAN Adapter> at usbus0
> > > > >
> > > > > rtwn0 on uhub0
> > > > >
> > > > > rtwn0: <802.11ac WLAN Adapter > on usbus0
> > > > >
> > > > > rtwn0: MAC/BB RTL8821AU, RF 6052 1T1R
> > > >
> > > > Whether or not you have a line in your /etc/rc.conf that says
> > > >
> > > > webcamd_enable="NO", webcamd is disabled by default. You have to
> > > >
> > > > override this by setting webcamd_enable="YES".
> > >
> > > You misinterpreted my post.
> > >
> > > I don't want webcam.
> > >
> > > I get this errant message because I have a USB network adapter plugged in
> > >
> > > on boot.
> > >
> > > I believe this is related to /usr/src/UPDATING entry 20180211:
> > >
> > > 20180211:
> > >
> > > devmatch functionality has been turned on in devd. It will
> > >
> > > automatically
> > >
> > >         load drivers for unattached devices. This may cause unexpected
> > >
> > >
> > > drivers to
> > >
> > >         be loaded. Please report any problems to current_at_ and
> > >
> > >
> > > imp_at_freebsd.org.
> > >
> > > freebsd-questions_at_freebsd.org mailing list
> > >
> > > https://lists.freebsd.org/mailman/listinfo/freebsd-questions
> > >
> > > To unsubscribe, send any mail to
> > >
> > > "freebsd-questions-unsubscribe_at_freebsd.org"
>
> Here is the what the original report SHOULD have been:
>
> This appears in dmesg if Netgear A6100 plugged in at boot
>
> Starting devd.
>
> Cannot 'start' webcamd. Set webcamd_enable to YES in /etc/rc.conf or use
>
> 'onestart' instead of 'start'.
>
> I don't HAVE or want a webcam. This is an anomaly
>
> Here's the device as reported by lsusb
>
> Bus /dev/usb Device /dev/ugen0.5: ID 0846:9052 NetGear, Inc. A6100 AC600 DB
>
> Wireless Adapter [Realtek RTL8811AU]
>
> Here's the dmesg
>
> ugen0.2: <Realtek 802.11ac WLAN Adapter> at usbus0
>
> rtwn0 on uhub0
>
> rtwn0: <802.11ac WLAN Adapter > on usbus0
>
> rtwn0: MAC/BB RTL8821AU, RF 6052 1T1R
>
> I hope I am getting better at reporting anomalies... 8o)

Uninstalling webcamd would be a good place to start.  It's not part of
the base system; it must have been pulled in as a dependency somewhere
along the line.

--
Daniel Stevenson