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Message #22580
[Bug 852190] Re: 7392:7811 Edimax EW-7811Un USB dongle won't connect to networks (rtl8192cu module)
It doesn't work here in Saucy, kernel 3.11.0-12-generic. The hardware
(Belkin N300 USB dongle, id F7D2102, using chipset Realtek RTL8192CU) is
recognized properly and the rtl8192cu module loads fine. However, the
hardware fails to see any nearby AP. It worked fine in Raring with
Timothy Phillips' patched driver (https://code.google.com/p/realtek-
8188cus-wireless-drivers-3444749-ubuntu-1304/), which unfortunately
isn't compatible with the 3.11 kernel used in Saucy.
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https://bugs.launchpad.net/bugs/852190
Title:
7392:7811 Edimax EW-7811Un USB dongle won't connect to networks
(rtl8192cu module)
Status in The Linux Kernel:
Incomplete
Status in “linux” package in Ubuntu:
Fix Released
Bug description:
The networks around are visible, but when trying to connect, the NM
repeatedly asks for the password. Connecting to an open network fails
as well.
lsusb
Bus 001 Device 002: ID 7392:7811 Edimax Technology Co., Ltd EW-7811Un 802.11n Wireless Adapter [Realtek RTL8188CUS]
lsmod | grep 8192
rtl8192cu 103210 0
rtl8192c_common 75767 1 rtl8192cu
rtlwifi 110972 1 rtl8192cu
mac80211 310872 3 rtl8192cu,rtl8192c_common,rtlwifi
WORKAROUND: Use the drivers downloaded from Realtek's website.
ProblemType: Bug
DistroRelease: Ubuntu 11.10
Package: linux-image-3.0.0-11-generic 3.0.0-11.18
ProcVersionSignature: Ubuntu 3.0.0-11.18-generic 3.0.4
Uname: Linux 3.0.0-11-generic x86_64
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
AplayDevices:
**** List of PLAYBACK Hardware Devices ****
card 0: Intel [HDA Intel], device 0: ALC662 rev1 Analog [ALC662 rev1 Analog]
Subdevices: 1/1
Subdevice #0: subdevice #0
ApportVersion: 1.23-0ubuntu1
Architecture: amd64
ArecordDevices:
**** List of CAPTURE Hardware Devices ****
card 0: Intel [HDA Intel], device 0: ALC662 rev1 Analog [ALC662 rev1 Analog]
Subdevices: 1/1
Subdevice #0: subdevice #0
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: ubuntu 3937 F.... pulseaudio
CRDA: Error: [Errno 2] No such file or directory
Card0.Amixer.info:
Card hw:0 'Intel'/'HDA Intel at 0xfe978000 irq 43'
Mixer name : 'Realtek ALC662 rev1'
Components : 'HDA:10ec0662,1b352201,00100101'
Controls : 20
Simple ctrls : 12
CasperVersion: 1.284
Date: Fri Sep 16 20:53:04 2011
LiveMediaBuild: Ubuntu 11.10 "Oneiric Ocelot" - Beta amd64 (20110915.1)
MachineType: czc czc
ProcEnviron:
PATH=(custom, no user)
LANG=en_US.UTF-8
SHELL=/bin/bash
ProcKernelCmdLine: BOOT_IMAGE=/casper/vmlinuz noprompt cdrom-detect/try-usb=true persistent file=/cdrom/preseed/hostname.seed boot=casper initrd=/casper/initrd.lz quiet splash --
RelatedPackageVersions:
linux-restricted-modules-3.0.0-11-generic N/A
linux-backports-modules-3.0.0-11-generic N/A
linux-firmware 1.60
RfKill:
1: phy1: Wireless LAN
Soft blocked: no
Hard blocked: no
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 03/16/2010
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: 080016
dmi.board.asset.tag: To Be Filled By O.E.M.
dmi.board.name: czc
dmi.board.vendor: czc
dmi.board.version: 1.0
dmi.chassis.asset.tag: To Be Filled By O.E.M.
dmi.chassis.type: 3
dmi.chassis.vendor: czc
dmi.chassis.version: 1.0
dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr080016:bd03/16/2010:svnczc:pnczc:pvr1.0:rvnczc:rnczc:rvr1.0:cvnczc:ct3:cvr1.0:
dmi.product.name: czc
dmi.product.version: 1.0
dmi.sys.vendor: czc
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