https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=236623
Bug ID: 236623
Summary: [rtwn_usb] [net80211] rsync causes wlan link state
down via IPv6
Product: Base System
Version: 12.0-RELEASE
Hardware: amd64
OS: Any
Status: New
Severity: Affects Only Me
Priority: ---
Component: wireless
Assignee: wirel...@freebsd.org
Reporter: mr_beaner_2...@yahoo.com
I occasionally use rsync to transfer folders/files; however, it seems to cause
the wlan interface to go down.
I performed the same action, forcing IPv4, and it did not replicate the issue.
Mar 18 17:01:55 localhost wpa_supplicant[37136]: wlan0: CTRL-EVENT-DISCONNECTED
bssid=82:2a:a8:ab:cd:ef reason=0
Mar 18 17:01:55 localhost kernel: wlan0: link state changed to DOWN
Mar 18 17:01:55 localhost kernel: rtwn0:
Mar 18 17:01:55 localhost kernel: ieee80211_crypto_encap returns NULL.
Mar 18 17:01:55 localhost kernel: .
Mar 18 17:01:55 localhost syslogd: last message repeated 1 times
Mar 18 17:01:56 localhost syslogd: exiting on signal 15
Mar 18 17:41:28 localhost syslogd: kernel boot file is /boot/kernel/kernel
The work around is to perform an ACPI powerbutton off then powerbutton on.
% kldstat
Id Refs Address Size Name
1 25 0xffffffff80200000 243cd00 kernel
2 1 0xffffffff8263d000 82a0 if_tap.ko
3 1 0xffffffff82646000 1c930 if_rtwn_usb.ko
4 2 0xffffffff82663000 23710 rtwn.ko
5 1 0xffffffff82687000 3a9a10 zfs.ko
6 2 0xffffffff82a31000 a4f0 opensolaris.ko
7 1 0xffffffff82a3d000 566b8 pf.ko
8 1 0xffffffff82c21000 6fb3 if_bridge.ko
9 1 0xffffffff82c28000 4410 bridgestp.ko
% sudo usbconfig -d ugen4.2 dump_device_desc
ugen4.2: <Realtek Edimax AC1200 USB> at usbus4, cfg=0 md=HOST spd=HIGH
(480Mbps) pwr=ON (500mA)
bLength = 0x0012
bDescriptorType = 0x0001
bcdUSB = 0x0200
bDeviceClass = 0x0000 <Probed by interface class>
bDeviceSubClass = 0x0000
bDeviceProtocol = 0x0000
bMaxPacketSize0 = 0x0040
idVendor = 0x7392
idProduct = 0xa822
bcdDevice = 0x0000
iManufacturer = 0x0001 <Realtek>
iProduct = 0x0002 <Edimax AC1200 USB>
iSerialNumber = 0x0003 <123456>
bNumConfigurations = 0x0001
% uname -a
FreeBSD localhost 12.0-RELEASE-p3 FreeBSD 12.0-RELEASE-p3 GENERIC amd64
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