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

[Steven Friedrich]

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@ and
> imp at freebsd.org.
> 
> 
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