With EDIMAX WLan Stick (8€) everything works out of the box. ath9k 0000:02:00.0 wlan0: disabling HT/VHT due to WEP/TKIP use cfg80211: (start_freq - end_freq bandwidth), (max_antenna_gain, max_eirp) cfg80211: World regulatory domain updated: This time dmesg says: cfg80211: Calling CRDA to update world regulatory domain Oddly, that helped me to connect, but it didn't really work (veeery slow connection). I also tried this answer: sudo killall wpa_supplicant Right after authentication, wlan is deauthenticated (what is reason=3?). wlan0: deauthenticating from 64:70:02:5c:0c:56 by local choice (reason=3) wlan0: deauthenticating from f0:7d:68:83:97:82 by local choice (reason=3) So I tried to understand the output of dmesg wlan0: authenticate with f0:7d:68:83:97:82 I tried what was suggested: $ cat /etc/modprobe.d/nfīut that did not help. Just in case someone wants to point me to firmware-atheros: E: Unable to locate package firmware-atheros RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller (rev 0c)Ġ2:00.0 Network controller : Qualcomm Atheros AR93xx Wireless Network Adapter (rev 01) Resources: irq:36 memory:fe900000-fe91ffff memory:fe920000-fe92ffffĠ1:00.0 Ethernet controller : Realtek Semiconductor Co., Ltd. Resources: irq:91 ioport:e000(size=256) memory:fea00000-fea00fff memory:d0800000-d0803fffĬapabilities: pm msi pciexpress bus_master cap_list rom ethernet physical wirelessĬonfiguration: broadcast=yes driver=ath9k driverversion=3.13.0-43-generic firmware=N/A latency=0 link=no multicast=yes wireless=IEEE 802.11abgn Product: RTL8111/8168/8411 PCI Express Gigabit Ethernet ControllerĬapabilities: pm msi pciexpress msix vpd bus_master cap_list ethernet physical tp mii 10bt 10bt-fd 100bt 100bt-fd 1000bt 1000bt-fd autonegotiationĬonfiguration: autonegotiation=on broadcast=yes driver=r8169 driverversion=2.3LK-NAPI duplex=full firmware=rtl8168g-2_0.0.1 02/06/13 ip=192.168.0.110 latency=0 link=yes multicast=yes port=MII speed=1Gbit/s Network manager can see the ssids of different networks, but fails to connect. So I changed it back.įrom all solutions I have read in the internet so far, nothing works. After that, I wasn't able to connect to the wlan at all. I also changed the bandwidth of the router from "20/40 MHz (auto)" to "20 MHz". Sometimes I am able to connect, but then the internet is still veeeery slow. On windows it works, but on ubuntu 14.04 (same computer) it doesn't. It should work just out of the box for windows and linux. ![]() ![]() I'm trying to install TP-Link TL-WDN4800 Adapter with Ath9k under trusty.
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