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D-Link DWA-160 rev c1 looks like contain RT5572 from Ralink. PC is desktop on AM4 platform. Kinfocenter recognize it as D-Link DWA-160 Xtreme N Dual Band USB Adapter(rev.C1).

When I plugged in first time wi-fi adapter it could see wireless connections, my access point was hidden, so I via network manager created manually connection, it connected, but connection speed was unstable about 1 mbit's
I switched to Win10x64 and run D-LInk driver, connected to my hidden network, speed was constant and proper about 90 mbits's.

I switched back to Kubuntu, and already could not see or connect manually to router. Attempts to troubleshoot using Google, no luck. Tried to play with network manager, router configurations, no success. Finally made my network un-hidden, could see it in network list, but when you try to connect, it asks for password, but then could not connect.

RT8111 LAN adapter works fine with router. Other devices also no problem with connection. After reboot network manager again could not see my wi-fi point (both 2.4 and 5 ghz used by router)

farkhad@farkhad-GP470:~$ sudo lshw -c network

[sudo] password for farkhad: 

  *-network                 

       description: Ethernet interface

       product: RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller

       vendor: Realtek Semiconductor Co., Ltd.

       physical id: 0

       bus info: pci@0000:18:00.0

       logical name: enp24s0

       version: 15

       serial: 30:9c:23:65:0d:ed

       size: 100Mbit/s

       capacity: 1Gbit/s

       width: 64 bits

       clock: 33MHz

       capabilities: pm msi pciexpress msix bus_master cap_list ethernet physical tp mii 10bt 10bt-fd 100bt 100bt-fd 1000bt 1000bt-fd autonegotiation

       configuration: autonegotiation=on broadcast=yes driver=r8169 driverversion=2.3LK-NAPI duplex=full firmware=rtl8168h-2_0.0.2 02/26/15 ip=192.168.1.251 latency=0 link=yes multicast=yes port=MII speed=100Mbit/s

       resources: irq:34 ioport:d000(size=256) memory:f7304000-f7304fff memory:f7300000-f7303fff

  *-network

       description: Wireless interface

       physical id: 1

       bus info: usb@1:8

       logical name: wlx0cb6d2b23c20

       serial: 0c:b6:d2:b2:3c:20

       capabilities: ethernet physical wireless

       configuration: broadcast=yes driver=rt2800usb driverversion=4.15.0-45-generic firmware=0.36 link=no multicast=yes wireless=IEEE 802.11



farkhad@farkhad-GP470:~$ uname -r

    4.15.0-45-generic



farkhad@farkhad-GP470:~$ lsmod | grep rtl



farkhad@farkhad-GP470:~$ dmesg | grep wlx

[ 1652.728016] rt2800usb 1-8:1.0 wlx0cb6d2b23c20: renamed from wlan0

[ 1652.933692] IPv6: ADDRCONF(NETDEV_UP): wlx0cb6d2b23c20: link is not ready

[ 1658.720773] IPv6: ADDRCONF(NETDEV_UP): wlx0cb6d2b23c20: link is not ready

[ 1658.815058] IPv6: ADDRCONF(NETDEV_UP): wlx0cb6d2b23c20: link is not ready

[ 2298.551596] IPv6: ADDRCONF(NETDEV_UP): wlx0cb6d2b23c20: link is not ready

[ 2298.615192] IPv6: ADDRCONF(NETDEV_UP): wlx0cb6d2b23c20: link is not ready

[ 2507.669152] IPv6: ADDRCONF(NETDEV_UP): wlx0cb6d2b23c20: link is not ready

[ 2507.723707] IPv6: ADDRCONF(NETDEV_UP): wlx0cb6d2b23c20: link is not ready



farkhad@farkhad-GP470:~$ rfkill list all

0: phy0: Wireless LAN

        Soft blocked: no

        Hard blocked: no



farkhad@farkhad-GP470:~$ lsmod

Module                  Size  Used by

xt_NFQUEUE             16384  1

xt_multiport           16384  1

iptable_mangle         16384  1

nfnetlink_queue        24576  1

xt_REDIRECT            16384  1

nf_nat_redirect        16384  1 xt_REDIRECT

xt_comment             16384  8

xt_mark                16384  9

iptable_nat            16384  1

nf_nat_ipv4            16384  1 iptable_nat

binfmt_misc            20480  1

pci_stub               16384  1

vboxpci                24576  0

vboxnetadp             28672  0

vboxnetflt             28672  0

vboxdrv               471040  3 vboxpci,vboxnetadp,vboxnetflt

xt_owner               16384  8                                                    

tcp_diag               16384  0

inet_diag              24576  1 tcp_diag

nf_conntrack_netlink    40960  0

nfnetlink              16384  4 nfnetlink_queue,nf_conntrack_netlink

arc4                   16384  2

ip6t_REJECT            16384  5

nf_reject_ipv6         16384  1 ip6t_REJECT

nf_log_ipv6            16384  5

xt_hl                  16384  22

ip6t_rt                16384  3

nf_conntrack_ipv6      20480  8

nf_defrag_ipv6         36864  1 nf_conntrack_ipv6

ipt_REJECT             16384  8

nf_reject_ipv4         16384  1 ipt_REJECT

nf_log_ipv4            16384  5

nf_log_common          16384  2 nf_log_ipv4,nf_log_ipv6

xt_LOG                 16384  10

xt_limit               16384  13

xt_tcpudp              16384  30

xt_addrtype            16384  4

snd_hda_codec_hdmi     49152  1

nls_iso8859_1          16384  1

snd_hda_codec_realtek   106496  1

rt2800usb              32768  0

rt2x00usb              20480  1 rt2800usb

rt2800lib             114688  1 rt2800usb

snd_hda_codec_generic    73728  1 snd_hda_codec_realtek

rt2x00lib              53248  3 rt2800usb,rt2x00usb,rt2800lib

mac80211              778240  3 rt2x00lib,rt2x00usb,rt2800lib

snd_hda_intel          40960  3

snd_hda_codec         126976  4 snd_hda_codec_generic,snd_hda_codec_hdmi,snd_hda_intel,snd_hda_codec_realtek

snd_hda_core           81920  5 snd_hda_codec_generic,snd_hda_codec_hdmi,snd_hda_intel,snd_hda_codec,snd_hda_codec_realtek

snd_hwdep              20480  1 snd_hda_codec

nf_conntrack_ipv4      16384  10

nf_defrag_ipv4         16384  1 nf_conntrack_ipv4

edac_mce_amd           28672  0

xt_conntrack           16384  16

cfg80211              622592  2 rt2x00lib,mac80211

snd_pcm                98304  4 snd_hda_codec_hdmi,snd_hda_intel,snd_hda_codec,snd_hda_core

kvm_amd                86016  0

joydev                 24576  0

snd_seq_midi           16384  0

mxm_wmi                16384  0

snd_seq_midi_event     16384  1 snd_seq_midi

input_leds             16384  0

wmi_bmof               16384  0

kvm                   598016  1 kvm_amd

snd_rawmidi            32768  1 snd_seq_midi

irqbypass              16384  1 kvm

snd_seq                65536  2 snd_seq_midi,snd_seq_midi_event

snd_seq_device         16384  3 snd_seq,snd_seq_midi,snd_rawmidi

snd_timer              32768  2 snd_seq,snd_pcm

k10temp                16384  0

snd                    81920  17 snd_hda_codec_generic,snd_seq,snd_seq_device,snd_hda_codec_hdmi,snd_hwdep,snd_hda_intel,snd_hda_codec,snd_hda_codec_realtek,snd_timer,snd_pcm,snd_rawmidi

soundcore              16384  1 snd

nvidia_uvm            757760  0

ccp                    73728  0

shpchp                 36864  0

mac_hid                16384  0

wmi                    24576  2 wmi_bmof,mxm_wmi

ip6table_filter        16384  1

ip6_tables             28672  1 ip6table_filter

nf_conntrack_netbios_ns    16384  0

sch_fq_codel           20480  6

nf_conntrack_broadcast    16384  1 nf_conntrack_netbios_ns

nf_nat_ftp             16384  0

nf_nat                 32768  3 nf_nat_ftp,nf_nat_redirect,nf_nat_ipv4

nf_conntrack_ftp       20480  1 nf_nat_ftp

nf_conntrack          131072  11 xt_conntrack,nf_conntrack_ipv6,nf_conntrack_ipv4,nf_nat,nf_nat_ftp,nf_conntrack_netbios_ns,nf_nat_ipv4,nf_conntrack_broadcast,nf_conntrack_netlink,nf_conntrack_ftp,xt_REDIRECT

libcrc32c              16384  2 nf_conntrack,nf_nat

parport_pc             36864  1

iptable_filter         16384  1

ppdev                  20480  0

lp                     20480  0

parport                49152  3 parport_pc,lp,ppdev

ip_tables              28672  3 iptable_filter,iptable_nat,iptable_mangle

x_tables               40960  20 ip6table_filter,xt_conntrack,iptable_filter,xt_LOG,xt_multiport,xt_tcpudp,xt_addrtype,ip6t_rt,xt_comment,xt_owner,ip6_tables,ipt_REJECT,ip_tables,xt_limit,xt_hl,ip6t_REJECT,xt_NFQUEUE,iptable_mangle,xt_REDIRECT,xt_mark

autofs4                40960  2

algif_skcipher         16384  0

af_alg                 24576  1 algif_skcipher

dm_crypt               40960  1

hid_logitech_hidpp     32768  0

hid_logitech_dj        20480  0

usbhid                 49152  0

hid                   118784  3 usbhid,hid_logitech_dj,hid_logitech_hidpp

nvidia_drm             40960  1

nvidia_modeset       1110016  21 nvidia_drm

nvidia              14360576  1008 nvidia_uvm,nvidia_modeset

crct10dif_pclmul       16384  0

crc32_pclmul           16384  0

ghash_clmulni_intel    16384  0

pcbc                   16384  0

drm_kms_helper        172032  1 nvidia_drm

aesni_intel           188416  2

syscopyarea            16384  1 drm_kms_helper

sysfillrect            16384  1 drm_kms_helper

aes_x86_64             20480  1 aesni_intel

sysimgblt              16384  1 drm_kms_helper

crypto_simd            16384  1 aesni_intel

glue_helper            16384  1 aesni_intel

fb_sys_fops            16384  1 drm_kms_helper

cryptd                 24576  4 crypto_simd,ghash_clmulni_intel,aesni_intel

drm                   401408  4 drm_kms_helper,nvidia_drm

ipmi_devintf           20480  0

i2c_piix4              24576  0

r8169                  86016  0

ipmi_msghandler        53248  2 ipmi_devintf,nvidia

ahci                   40960  3

mii                    16384  1 r8169

libahci                32768  1 ahci

gpio_amdpt             16384  0

gpio_generic           20480  1 gpio_amdpt



Feb 28 20:49:57 farkhad-GP470 wpa_supplicant[1192]: wlx0cb6d2b23c20: Failed to start AP functionality

Feb 28 20:49:59 farkhad-GP470 NetworkManager[1190]: <warn>  [1551376199.0593] device (wlx0cb6d2b23c20): Activation: (wifi) Hotspot network creation took too long, failing activation

Feb 28 20:49:59 farkhad-GP470 NetworkManager[1190]: <info>  [1551376199.0594] device (wlx0cb6d2b23c20): state change: config -> failed (reason 'supplicant-timeout', sys-iface-state: 'managed')

Feb 28 20:49:59 farkhad-GP470 NetworkManager[1190]: <warn>  [1551376199.0604] device (wlx0cb6d2b23c20): Activation: failed for connection 'river5g'

Feb 28 20:49:59 farkhad-GP470 NetworkManager[1190]: <info>  [1551376199.0615] device (wlx0cb6d2b23c20): state change: failed -> disconnected (reason 'none', sys-iface-state: 'managed')

Feb 28 20:49:59 farkhad-GP470 kernel: [ 7308.883362] IPv6: ADDRCONF(NETDEV_UP): wlx0cb6d2b23c20: link is not ready

Feb 28 20:50:03 farkhad-GP470 NetworkManager[1190]: <info>  [1551376203.6586] device (wlx0cb6d2b23c20): Activation: starting connection 'river5g' (6e9cf357-dcc8-46f3-9f3e-0c05b8a028ac)

Feb 28 20:50:03 farkhad-GP470 NetworkManager[1190]: <info>  [1551376203.6588] audit: op="connection-activate" uuid="6e9cf357-dcc8-46f3-9f3e-0c05b8a028ac" name="river5g" pid=2534 uid=1000 result="success"

Feb 28 20:50:03 farkhad-GP470 NetworkManager[1190]: <info>  [1551376203.6590] device (wlx0cb6d2b23c20): state change: disconnected -> prepare (reason 'none', sys-iface-state: 'managed')

Feb 28 20:50:03 farkhad-GP470 NetworkManager[1190]: <info>  [1551376203.6603] device (wlx0cb6d2b23c20): state change: prepare -> config (reason 'none', sys-iface-state: 'managed')

Feb 28 20:50:03 farkhad-GP470 NetworkManager[1190]: <info>  [1551376203.6606] device (wlx0cb6d2b23c20): Activation: (wifi) access point 'river5g' has security, but secrets are required.

Feb 28 20:50:03 farkhad-GP470 NetworkManager[1190]: <info>  [1551376203.6606] device (wlx0cb6d2b23c20): state change: config -> need-auth (reason 'none', sys-iface-state: 'managed')

Feb 28 20:50:03 farkhad-GP470 NetworkManager[1190]: <info>  [1551376203.6769] device (wlx0cb6d2b23c20): state change: need-auth -> prepare (reason 'none', sys-iface-state: 'managed')

Feb 28 20:50:03 farkhad-GP470 NetworkManager[1190]: <info>  [1551376203.6780] device (wlx0cb6d2b23c20): state change: prepare -> config (reason 'none', sys-iface-state: 'managed')

Feb 28 20:50:03 farkhad-GP470 NetworkManager[1190]: <info>  [1551376203.6782] device (wlx0cb6d2b23c20): Activation: (wifi) connection 'river5g' has security, and secrets exist.  No new secrets needed.

Feb 28 20:50:03 farkhad-GP470 NetworkManager[1190]: <info>  [1551376203.6782] Config: added 'ssid' value 'river5g'

Feb 28 20:50:03 farkhad-GP470 NetworkManager[1190]: <info>  [1551376203.6783] Config: added 'mode' value '2'

Feb 28 20:50:03 farkhad-GP470 NetworkManager[1190]: <info>  [1551376203.6783] Config: added 'frequency' value '5035'

Feb 28 20:50:03 farkhad-GP470 NetworkManager[1190]: <info>  [1551376203.6783] Config: added 'freq_list' value '5035'

Feb 28 20:50:03 farkhad-GP470 NetworkManager[1190]: <info>  [1551376203.6783] Config: added 'key_mgmt' value 'WPA-PSK'

Feb 28 20:50:03 farkhad-GP470 NetworkManager[1190]: <info>  [1551376203.6783] Config: added 'psk' value '<hidden>'

Feb 28 20:50:03 farkhad-GP470 wpa_supplicant[1192]: Note: nl80211 driver interface is not designed to be used with ap_scan=2; this can result in connection failures

Feb 28 20:50:17 farkhad-GP470 kernel: [ 7326.964928] IPv6: ADDRCONF(NETDEV_UP): wlx0cb6d2b23c20: link is not ready

Feb 28 20:50:23 farkhad-GP470 kernel: [ 7332.923314] IPv6: ADDRCONF(NETDEV_UP): wlx0cb6d2b23c20: link is not ready

Feb 28 20:50:23 farkhad-GP470 wpa_supplicant[1192]: wlx0cb6d2b23c20: Failed to start AP functionality

Feb 28 20:50:29 farkhad-GP470 NetworkManager[1190]: <warn>  [1551376229.0613] device (wlx0cb6d2b23c20): Activation: (wifi) Hotspot network creation took too long, failing activation

Feb 28 20:50:29 farkhad-GP470 NetworkManager[1190]: <info>  [1551376229.0613] device (wlx0cb6d2b23c20): state change: config -> failed (reason 'supplicant-timeout', sys-iface-state: 'managed')

Feb 28 20:50:29 farkhad-GP470 NetworkManager[1190]: <warn>  [1551376229.0623] device (wlx0cb6d2b23c20): Activation: failed for connection 'river5g'

Feb 28 20:50:29 farkhad-GP470 NetworkManager[1190]: <info>  [1551376229.0632] device (wlx0cb6d2b23c20): state change: failed -> disconnected (reason 'none', sys-iface-state: 'managed')

Feb 28 20:50:29 farkhad-GP470 kernel: [ 7338.884369] IPv6: ADDRCONF(NETDEV_UP): wlx0cb6d2b23c20: link is not ready