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Message #18137
[Bug 902557] Re: 10ec:8176 Wireless not working in 12.04 for rtl8192ce (RTL8188CE)
Thanks for the hint -I'll have a look when I can spend more time on this
and report back here.
At the moment the situation for this wifi driver in Ubuntu 12.04 is as follows:
Install Ubuntu 12.04 without updates to end up on kernel 3.2 (for the Atom N2600 screen driver) gets you to kernel 3.2.0.29 with working wifi.
Upgrading the installation gets you to 3.2.0.54 where wifi is still broken - not so good for an LTS version.
I found a non official DKMS package for the Realtek 0007.0809.2012 driver, which performs really bad (slow and grinding to a hold after a few minutes). When that happens, all wifi on the same access point nearly stops working (tested with 2 different makes access point and with 2 different wifi cards)
Installing the Realtek 0012.0207.2013 driver is better, but still shows that slowing down to hold after a while syndrome. The impact on the other devices seems to be a lot less, but up to now I didn't manage to compile a DKMS-version from it.
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https://bugs.launchpad.net/bugs/902557
Title:
10ec:8176 Wireless not working in 12.04 for rtl8192ce (RTL8188CE)
Status in “linux” package in Ubuntu:
Confirmed
Status in “linux” source package in Precise:
Confirmed
Bug description:
Wireless no longer seems to work since I upgraded to Precise, it was working (albeit very flaky) ion 11.10, but it never seems to be able to connect to any access points since the upgrade.
It can see all the available networks, but it can't seem to connect to any of them.
ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: linux-image-3.2.0-3-generic-pae 3.2.0-3.9
ProcVersionSignature: Ubuntu 3.2.0-3.9-generic-pae 3.2.0-rc4
Uname: Linux 3.2.0-3-generic-pae i686
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
ApportVersion: 1.90-0ubuntu1
Architecture: i386
ArecordDevices:
**** List of CAPTURE Hardware Devices ****
card 1: SB [HDA ATI SB], device 0: CONEXANT Analog [CONEXANT Analog]
Subdevices: 1/1
Subdevice #0: subdevice #0
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC1: beuno 1763 F.... pulseaudio
CRDA:
country EC:
(2402 - 2482 @ 40), (N/A, 20)
(5170 - 5250 @ 20), (3, 17)
(5250 - 5330 @ 20), (3, 23), DFS
(5735 - 5835 @ 20), (3, 30)
Card0.Amixer.info:
Card hw:0 'Generic'/'HD-Audio Generic at 0xf0244000 irq 44'
Mixer name : 'ATI R6xx HDMI'
Components : 'HDA:1002aa01,00aa0100,00100200'
Controls : 5
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 'SB'/'HDA ATI SB at 0xf0240000 irq 16'
Mixer name : 'Conexant CX20582 (Pebble)'
Components : 'HDA:14f15066,17aa21df,00100302'
Controls : 8
Simple ctrls : 5
Card29.Amixer.info:
Card hw:29 'ThinkPadEC'/'ThinkPad Console Audio Control at EC reg 0x30, fw unknown'
Mixer name : 'ThinkPad EC (unknown)'
Components : ''
Controls : 1
Simple ctrls : 1
Card29.Amixer.values:
Simple mixer control 'Console',0
Capabilities: pswitch pswitch-joined penum
Playback channels: Mono
Mono: Playback [on]
Date: Sat Dec 10 12:54:26 2011
EcryptfsInUse: Yes
InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Release i386 (20111012)
MachineType: LENOVO 05962RU
ProcEnviron:
PATH=(custom, no user)
LANG=en_US.UTF-8
SHELL=/bin/bash
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.2.0-3-generic-pae root=UUID=c9ef48cc-ddc5-4873-ac9b-2a14fe2329d3 ro quiet splash vt.handoff=7
RelatedPackageVersions:
linux-restricted-modules-3.2.0-3-generic-pae N/A
linux-backports-modules-3.2.0-3-generic-pae N/A
linux-firmware 1.62
SourcePackage: linux
UpgradeStatus: Upgraded to precise on 2011-12-10 (0 days ago)
dmi.bios.date: 08/25/2011
dmi.bios.vendor: LENOVO
dmi.bios.version: 8FET31WW (1.15 )
dmi.board.asset.tag: Not Available
dmi.board.name: 05962RU
dmi.board.vendor: LENOVO
dmi.board.version: Not Available
dmi.chassis.asset.tag: No Asset Information
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: Not Available
dmi.modalias: dmi:bvnLENOVO:bvr8FET31WW(1.15):bd08/25/2011:svnLENOVO:pn05962RU:pvrThinkPadX120e:rvnLENOVO:rn05962RU:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable:
dmi.product.name: 05962RU
dmi.product.version: ThinkPad X120e
dmi.sys.vendor: LENOVO
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