https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=218527

mr_beaner_2...@yahoo.com changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |mr_beaner_2...@yahoo.com

--- Comment #3 from mr_beaner_2...@yahoo.com ---
This doesn't appear to be fixed. I am using an EDIMAX N150 USB dongle, and I
see packet loss.

# freebsd-version
12.0-RC1

# dmesg | grep rtwn
rtwn0 on uhub0
rtwn0: <Realtek 802.11n WLAN Adapter, class 0/0, rev 2.00/2.00, addr 2> on
usbus1
rtwn0: MAC/BB RTL8188CUS, RF 6052 1T1R

# ping -c 100 172.16.100.2
PING 172.16.100.2 (172.16.100.2): 56 data bytes
64 bytes from 172.16.100.2: icmp_seq=0 ttl=255 time=12.919 ms
64 bytes from 172.16.100.2: icmp_seq=1 ttl=255 time=16.632 ms
64 bytes from 172.16.100.2: icmp_seq=2 ttl=255 time=13.729 ms
64 bytes from 172.16.100.2: icmp_seq=4 ttl=255 time=19.672 ms
64 bytes from 172.16.100.2: icmp_seq=5 ttl=255 time=29.435 ms
64 bytes from 172.16.100.2: icmp_seq=7 ttl=255 time=28.343 ms
64 bytes from 172.16.100.2: icmp_seq=8 ttl=255 time=20.443 ms
64 bytes from 172.16.100.2: icmp_seq=9 ttl=255 time=16.860 ms
...
64 bytes from 172.16.100.2: icmp_seq=98 ttl=255 time=20.125 ms
64 bytes from 172.16.100.2: icmp_seq=99 ttl=255 time=29.647 ms

--- 172.16.100.2 ping statistics ---
100 packets transmitted, 90 packets received, 10.0% packet loss
round-trip min/avg/max/stddev = 8.417/21.663/52.897/8.762 ms

# cat /boot/loader.conf 
if_rtwn_usb_load="YES"
legal.realtek.license_ack=1
pf_load="YES"

# grep wlan /etc/rc.conf
wlans_rtwn0="wlan0"
ifconfig_wlan0="WPA DHCP"
create_args_wlan0="country US regdomain FCC"

# ifconfig wlan0 list ap
SSID/MESH ID                      BSSID              CHAN RATE    S:N     INT
CAPS
WAP                       82:2a:a8:d7:ec:a5    1   54M  -85:-95   100 EPS 
BSSLOAD HTCAP WME ATH RSN

# usbconfig list
ugen1.1: <Intel EHCI root HUB> at usbus1, cfg=0 md=HOST spd=HIGH (480Mbps)
pwr=SAVE (0mA)
ugen0.1: <Apple OHCI root HUB> at usbus0, cfg=0 md=HOST spd=FULL (12Mbps)
pwr=SAVE (0mA)
ugen1.2: <Realtek 802.11n WLAN Adapter> at usbus1, cfg=0 md=HOST spd=HIGH
(480Mbps) pwr=ON (500mA)
# usbconfig ugen1.2 dump_all_config_desc
ugen1.2: <Realtek 802.11n WLAN Adapter> at usbus1, cfg=0 md=HOST spd=HIGH
(480Mbps) pwr=ON (500mA)


 Configuration index 0

    bLength = 0x0009 
    bDescriptorType = 0x0002 
    wTotalLength = 0x002e 
    bNumInterfaces = 0x0001 
    bConfigurationValue = 0x0001 
    iConfiguration = 0x0000  <no string>
    bmAttributes = 0x00a0 
    bMaxPower = 0x00fa 

    Interface 0
      bLength = 0x0009 
      bDescriptorType = 0x0004 
      bInterfaceNumber = 0x0000 
      bAlternateSetting = 0x0000 
      bNumEndpoints = 0x0004 
      bInterfaceClass = 0x00ff  <Vendor specific>
      bInterfaceSubClass = 0x00ff 
      bInterfaceProtocol = 0x00ff 
      iInterface = 0x0000  <no string>

     Endpoint 0
        bLength = 0x0007 
        bDescriptorType = 0x0005 
        bEndpointAddress = 0x0081  <IN>
        bmAttributes = 0x0002  <BULK>
        wMaxPacketSize = 0x0200 
        bInterval = 0x0000 
        bRefresh = 0x0000 
        bSynchAddress = 0x0000 

     Endpoint 1
        bLength = 0x0007 
        bDescriptorType = 0x0005 
        bEndpointAddress = 0x0002  <OUT>
        bmAttributes = 0x0002  <BULK>
        wMaxPacketSize = 0x0200 
        bInterval = 0x0000 
        bRefresh = 0x0000 
        bSynchAddress = 0x0000 

     Endpoint 2
        bLength = 0x0007 
        bDescriptorType = 0x0005 
        bEndpointAddress = 0x0003  <OUT>
        bmAttributes = 0x0002  <BULK>
        wMaxPacketSize = 0x0200 
        bInterval = 0x0000 
        bRefresh = 0x0000 
        bSynchAddress = 0x0000 

     Endpoint 3
        bLength = 0x0007 
        bDescriptorType = 0x0005 
        bEndpointAddress = 0x0084  <IN>
        bmAttributes = 0x0003  <INTERRUPT>
        wMaxPacketSize = 0x0040 
        bInterval = 0x0001 
        bRefresh = 0x0000 
        bSynchAddress = 0x0000 

# grep wpa_supplicant /var/log/messages
Nov 23 15:19:28 localhost wpa_supplicant[848]: Successfully initialized
wpa_supplicant
Nov 23 15:19:35 localhost wpa_supplicant[849]: wlan0: Trying to associate with
80:2a:a8:d7:ec:a5 (SSID='WAP0' freq=2412 MHz)
Nov 23 15:19:35 localhost wpa_supplicant[849]: wlan0: Associated with
80:2a:a8:d7:ec:a5
Nov 23 15:19:36 localhost wpa_supplicant[849]: wlan0: WPA: Key negotiation
completed with 80:2a:a8:d7:ec:a5 [PTK=CCMP GTK=CCMP]
Nov 23 15:19:36 localhost wpa_supplicant[849]: wlan0: CTRL-EVENT-CONNECTED -
Connection to 80:2a:a8:d7:ec:a5 completed [id=0 id_str=]
Nov 23 15:23:24 localhost wpa_supplicant[797]: Successfully initialized
wpa_supplicant
Nov 23 15:23:54 localhost wpa_supplicant[798]: wlan0: Trying to associate with
80:2a:a8:d7:ec:a5 (SSID='WAP0' freq=2412 MHz)
Nov 23 15:23:54 localhost wpa_supplicant[798]: wlan0: Associated with
80:2a:a8:d7:ec:a5
Nov 23 15:23:55 localhost wpa_supplicant[798]: wlan0: WPA: Key negotiation
completed with 80:2a:a8:d7:ec:a5 [PTK=CCMP GTK=CCMP]
Nov 23 15:23:55 localhost wpa_supplicant[798]: wlan0: CTRL-EVENT-CONNECTED -
Connection to 80:2a:a8:d7:ec:a5 completed [id=0 id_str=]
Nov 23 15:25:21 localhost wpa_supplicant[798]: wlan0: CTRL-EVENT-DISCONNECTED
bssid=80:2a:a8:d7:ec:a5 reason=3 locally_generated=1
Nov 23 15:25:21 localhost wpa_supplicant[798]: wlan0: CTRL-EVENT-TERMINATING 
Nov 23 15:25:21 localhost wpa_supplicant[1258]: Successfully initialized
wpa_supplicant
Nov 23 15:25:36 localhost wpa_supplicant[1263]: wlan0: Trying to associate with
82:2a:a8:d7:ec:a5 (SSID='WAP' freq=2412 MHz)
Nov 23 15:25:36 localhost wpa_supplicant[1263]: wlan0: Associated with
82:2a:a8:d7:ec:a5
Nov 23 15:25:37 localhost wpa_supplicant[1263]: wlan0: WPA: Key negotiation
completed with 82:2a:a8:d7:ec:a5 [PTK=CCMP GTK=CCMP]
Nov 23 15:25:37 localhost wpa_supplicant[1263]: wlan0: CTRL-EVENT-CONNECTED -
Connection to 82:2a:a8:d7:ec:a5 completed [id=1 id_str=]

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