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Message #19310
[Bug 1152861] Re: 0bda:8178 TP-LINK TL-WN821N v4 Detected but does not work
[Expired for linux (Ubuntu) because there has been no activity for 60
days.]
** Changed in: linux (Ubuntu)
Status: Incomplete => Expired
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https://bugs.launchpad.net/bugs/1152861
Title:
0bda:8178 TP-LINK TL-WN821N v4 Detected but does not work
Status in “linux” package in Ubuntu:
Expired
Bug description:
TP-LINK TL-WN821N v4 USB wi-fi adapter appears to be correctly
detected, including loading the correct driver, but no wireless access
points are ever listed and the green light on the device stays on
(it's intended to flash).
Ubuntu 12.04 64-bit
Ubuntu 3.2.0-38.61-generic 3.2.37
Output of sudo lsusb:
us 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 001 Device 006: ID 050d:7051 Belkin Components F5D7051 802.11g Adapter v1000 [Broadcom 4320 USB]
Bus 002 Device 002: ID 0f30:0112 Jess Technology Co., Ltd
Bus 003 Device 002: ID 1bcf:0007 Sunplus Innovation Technology Inc. Optical Mouse
Bus 001 Device 007: ID 0bda:8178 Realtek Semiconductor Corp.
Output of modinfo rtl8192cu:
filename: /lib/modules/3.2.0-38-generic/kernel/drivers/net/wireless/rtlwifi/rtl8192cu/rtl8192cu.ko
firmware: rtlwifi/rtl8192cufw.bin
description: Realtek 8192C/8188C 802.11n USB wireless
license: GPL
author: Larry Finger <Larry.Finger@xxxxxxxxxxxx>
author: Ziv Huang <ziv_huang@xxxxxxxxxxx>
author: Georgia <georgia@xxxxxxxxxxx>
srcversion: 2846722243FEC10EAE6075D
alias: usb:v7392p7822d*dc*dsc*dp*ic*isc*ip*
alias: usb:v20F4p624Dd*dc*dsc*dp*ic*isc*ip*
alias: usb:v2019pAB2Bd*dc*dsc*dp*ic*isc*ip*
alias: usb:v2001p330Ad*dc*dsc*dp*ic*isc*ip*
alias: usb:v2001p3309d*dc*dsc*dp*ic*isc*ip*
alias: usb:v2001p3307d*dc*dsc*dp*ic*isc*ip*
alias: usb:v0E66p0019d*dc*dsc*dp*ic*isc*ip*
alias: usb:v0DF6p0061d*dc*dsc*dp*ic*isc*ip*
alias: usb:v0BDAp8186d*dc*dsc*dp*ic*isc*ip*
alias: usb:v0B05p17ABd*dc*dsc*dp*ic*isc*ip*
alias: usb:v0846p9021d*dc*dsc*dp*ic*isc*ip*
alias: usb:v07B8p8178d*dc*dsc*dp*ic*isc*ip*
alias: usb:v07AAp0056d*dc*dsc*dp*ic*isc*ip*
alias: usb:v0586p341Fd*dc*dsc*dp*ic*isc*ip*
alias: usb:v050Dp2103d*dc*dsc*dp*ic*isc*ip*
alias: usb:v050Dp2102d*dc*dsc*dp*ic*isc*ip*
alias: usb:v2019p1201d*dc*dsc*dp*ic*isc*ip*
alias: usb:v04F2pAFFCd*dc*dsc*dp*ic*isc*ip*
alias: usb:v04F2pAFFBd*dc*dsc*dp*ic*isc*ip*
alias: usb:v04F2pAFF8d*dc*dsc*dp*ic*isc*ip*
alias: usb:v04F2pAFFAd*dc*dsc*dp*ic*isc*ip*
alias: usb:v04F2pAFF9d*dc*dsc*dp*ic*isc*ip*
alias: usb:v04F2pAFF7d*dc*dsc*dp*ic*isc*ip*
alias: usb:v0BDAp317Fd*dc*dsc*dp*ic*isc*ip*
alias: usb:v9846p9041d*dc*dsc*dp*ic*isc*ip*
alias: usb:v4855p0091d*dc*dsc*dp*ic*isc*ip*
alias: usb:v4855p0090d*dc*dsc*dp*ic*isc*ip*
alias: usb:v13D3p3359d*dc*dsc*dp*ic*isc*ip*
alias: usb:v13D3p3358d*dc*dsc*dp*ic*isc*ip*
alias: usb:v7392p7811d*dc*dsc*dp*ic*isc*ip*
alias: usb:v20F4p648Bd*dc*dsc*dp*ic*isc*ip*
alias: usb:v2019pED17d*dc*dsc*dp*ic*isc*ip*
alias: usb:v2019pAB2Ed*dc*dsc*dp*ic*isc*ip*
alias: usb:v2019pAB2Ad*dc*dsc*dp*ic*isc*ip*
alias: usb:v2019p4902d*dc*dsc*dp*ic*isc*ip*
alias: usb:v2001p3308d*dc*dsc*dp*ic*isc*ip*
alias: usb:v13D3p3357d*dc*dsc*dp*ic*isc*ip*
alias: usb:v103Cp1629d*dc*dsc*dp*ic*isc*ip*
alias: usb:v4856p0091d*dc*dsc*dp*ic*isc*ip*
alias: usb:v0EB0p9071d*dc*dsc*dp*ic*isc*ip*
alias: usb:v0DF6p005Cd*dc*dsc*dp*ic*isc*ip*
alias: usb:v0DF6p0052d*dc*dsc*dp*ic*isc*ip*
alias: usb:v0BDAp5088d*dc*dsc*dp*ic*isc*ip*
alias: usb:v0846p9041d*dc*dsc*dp*ic*isc*ip*
alias: usb:v07B8p8189d*dc*dsc*dp*ic*isc*ip*
alias: usb:v07B8p8188d*dc*dsc*dp*ic*isc*ip*
alias: usb:v06F8pE033d*dc*dsc*dp*ic*isc*ip*
alias: usb:v050Dp11F2d*dc*dsc*dp*ic*isc*ip*
alias: usb:v050Dp1102d*dc*dsc*dp*ic*isc*ip*
alias: usb:v0BDAp817Cd*dc*dsc*dp*ic*isc*ip*
alias: usb:v0BDAp8178d*dc*dsc*dp*ic*isc*ip*
alias: usb:v0BDAp8754d*dc*dsc*dp*ic*isc*ip*
alias: usb:v0BDAp818Ad*dc*dsc*dp*ic*isc*ip*
alias: usb:v0BDAp817Fd*dc*dsc*dp*ic*isc*ip*
alias: usb:v0BDAp817Ed*dc*dsc*dp*ic*isc*ip*
alias: usb:v0BDAp817Dd*dc*dsc*dp*ic*isc*ip*
alias: usb:v0BDAp817Bd*dc*dsc*dp*ic*isc*ip*
alias: usb:v0BDAp817Ad*dc*dsc*dp*ic*isc*ip*
alias: usb:v0BDAp8177d*dc*dsc*dp*ic*isc*ip*
alias: usb:v0BDAp8176d*dc*dsc*dp*ic*isc*ip*
alias: usb:v0BDAp8170d*dc*dsc*dp*ic*isc*ip*
alias: usb:v0BDAp018Ad*dc*dsc*dp*ic*isc*ip*
alias: usb:v0BDAp8191d*dc*dsc*dp*ic*isc*ip*
depends: rtlwifi,mac80211,rtl8192c-common
intree: Y
vermagic: 3.2.0-38-generic SMP mod_unload modversions
parm: swenc:Set to 1 for software crypto (default 0)
(bool)
parm: debug:Set debug level (0-5) (default 0) (int)
Hardware info:
http://www.wikidevi.com/wiki/TP-LINK_TL-WN821N_v4
http://www.realtek.com.tw/products/productsView.aspx?Langid=1&PNid=21&PFid=48&Level=5&Conn=4&ProdID=277
http://www.tp-link.com/CA/products/details/?model=TL-WN821N#spec
---
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
ApportVersion: 2.0.1-0ubuntu17.1
Architecture: amd64
ArecordDevices:
**** List of CAPTURE Hardware Devices ****
card 1: Headset [Creative HS-720 Headset], device 0: USB Audio [USB Audio]
Subdevices: 1/1
Subdevice #0: subdevice #0
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: ryan 1693 F.... pulseaudio
/dev/snd/controlC1: ryan 1693 F.... pulseaudio
Card0.Amixer.info:
Card hw:0 'Generic'/'HD-Audio Generic at 0xfbefc000 irq 25'
Mixer name : 'ATI R6xx HDMI'
Components : 'HDA:1002aa01,00aa0100,00100200'
Controls : 6
Simple ctrls : 1
Card0.Amixer.values:
Simple mixer control 'IEC958',0
Capabilities: pswitch pswitch-joined penum
Playback channels: Mono
Mono: Playback [on]
Card1.Amixer.info:
Card hw:1 'Headset'/'Creative Technology Ltd. Creative HS-720 Headset at usb-0000:00:10.1-1, full sp'
Mixer name : 'USB Mixer'
Components : 'USB041e:0402'
Controls : 5
Simple ctrls : 3
Card2.Amixer.info:
Card hw:2 'VT82xx'/'HDA VIA VT82xx at 0xfbffc000 irq 17'
Mixer name : 'Realtek ALC662 rev1'
Components : 'HDA:10ec0662,00f00000,00100101'
Controls : 1
Simple ctrls : 1
DistroRelease: Ubuntu 12.04
HibernationDevice: RESUME=UUID=a8b062f5-2c0e-46d8-82ba-9455478ec3f6
InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Release amd64 (20120425)
MachineType: System manufacturer System Product Name
MarkForUpload: True
Package: linux (not installed)
ProcFB: 0 radeondrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.2.0-38-generic root=UUID=fbaea927-6434-4188-9725-fcbff8824c5b ro quiet splash vt.handoff=7
ProcVersionSignature: Ubuntu 3.2.0-38.61-generic 3.2.37
RelatedPackageVersions:
linux-restricted-modules-3.2.0-38-generic N/A
linux-backports-modules-3.2.0-38-generic N/A
linux-firmware 1.79.1
Tags: precise
Uname: Linux 3.2.0-38-generic x86_64
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
dmi.bios.date: 02/20/2008
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: 0507
dmi.board.asset.tag: To Be Filled By O.E.M.
dmi.board.name: P5VD2-VM SE
dmi.board.vendor: ASUSTeK Computer INC.
dmi.board.version: Rev x.xx
dmi.chassis.asset.tag: Asset-1234567890
dmi.chassis.type: 3
dmi.chassis.vendor: Chassis Manufacture
dmi.chassis.version: Chassis Version
dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr0507:bd02/20/2008:svnSystemmanufacturer:pnSystemProductName:pvrSystemVersion:rvnASUSTeKComputerINC.:rnP5VD2-VMSE:rvrRevx.xx:cvnChassisManufacture:ct3:cvrChassisVersion:
dmi.product.name: System Product Name
dmi.product.version: System Version
dmi.sys.vendor: System manufacturer
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