Wireless does not work with Realtek 8192E wirelesss card (Samsung N120 netbook)

[yume00]

I'm running Ubuntu Network Remix 9.04 as a USB Live Image, but I couldn't get wireless to work. Could anyone please help? Thanks.

1 ) Machine Brand and Model (PC/Laptop):
Samsung N120

2 ) Wireless Brand, Model and Wireless Chipset:
Code:

$ lspci

00:00.0 Host bridge: Intel Corporation Mobile 945GME Express Memory Controller Hub (rev 03)
00:02.0 VGA compatible controller: Intel Corporation Mobile 945GME Express Integrated Graphics Controller (rev 03)
00:02.1 Display controller: Intel Corporation Mobile 945GM/GMS/GME, 943/940GML Express Integrated Graphics Controller (rev 03)
00:1b.0 Audio device: Intel Corporation 82801G (ICH7 Family) High Definition Audio Controller (rev 02)
00:1c.0 PCI bridge: Intel Corporation 82801G (ICH7 Family) PCI Express Port 1 (rev 02)
00:1c.2 PCI bridge: Intel Corporation 82801G (ICH7 Family) PCI Express Port 3 (rev 02)
00:1d.0 USB Controller: Intel Corporation 82801G (ICH7 Family) USB UHCI Controller #1 (rev 02)
00:1d.1 USB Controller: Intel Corporation 82801G (ICH7 Family) USB UHCI Controller #2 (rev 02)
00:1d.2 USB Controller: Intel Corporation 82801G (ICH7 Family) USB UHCI Controller #3 (rev 02)
00:1d.3 USB Controller: Intel Corporation 82801G (ICH7 Family) USB UHCI Controller #4 (rev 02)
00:1d.7 USB Controller: Intel Corporation 82801G (ICH7 Family) USB2 EHCI Controller (rev 02)
00:1e.0 PCI bridge: Intel Corporation 82801 Mobile PCI Bridge (rev e2)
00:1f.0 ISA bridge: Intel Corporation 82801GBM (ICH7-M) LPC Interface Bridge (rev 02)
00:1f.2 IDE interface: Intel Corporation 82801GBM/GHM (ICH7 Family) SATA IDE Controller (rev 02)
00:1f.3 SMBus: Intel Corporation 82801G (ICH7 Family) SMBus Controller (rev 02)
02:00.0 Network controller: Realtek Semiconductor Co., Ltd. Device 8192 (rev 01)
03:00.0 Ethernet controller: Marvell Technology Group Ltd. 88E8040 PCI-E Fast Ethernet Controller (rev 13)


$ lsusb

Bus 001 Device 005: ID 0ac8:c335 Z-Star Microelectronics Corp.
Bus 001 Device 003: ID 1516:8628 CompUSA 128M Pen Drive
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 005 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 004 Device 002: ID 045e:0047 Microsoft Corp. IntelliMouse Explorer 3.0
Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 003 Device 002: ID 0a5c:2151 Broadcom Corp.
Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub

3 ) check interface:
Code:

$ ifconfig
eth0 Link encap:Ethernet HWaddr 00:13:77:fb:9a:d2
UP BROADCAST MULTICAST MTU:1500 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:0 (0.0 B) TX bytes:0 (0.0 B)
Interrupt:18

lo Link encap:Local Loopback
inet addr:127.0.0.1 Mask:255.0.0.0
inet6 addr: ::1/128 Scope:Host
UP LOOPBACK RUNNING MTU:16436 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:0 (0.0 B) TX bytes:0 (0.0 B)


$ iwconfig


(hint) if the Wireless interface name is wlan0 you can also use
Code:

$ iwconfig wlan0

ubuntu@ubuntu:~$ iwconfig
lo no wireless extensions.

eth0 no wireless extensions.

pan0 no wireless extensions.


4 ) Check for modules:
Code:

$ lsmod

ubuntu@ubuntu:~$ lsmod
Module Size Used by
i915 65540 3
drm 96296 4 i915
binfmt_misc 16776 1
ppdev 15620 0
lp 17156 0
parport 42220 2 ppdev,lp
bridge 56340 0
stp 10500 1 bridge
bnep 20224 2
input_polldev 11912 0
joydev 18368 0
uvcvideo 63240 0
compat_ioctl32 9344 1 uvcvideo
videodev 41600 1 uvcvideo
v4l1_compat 21764 2 uvcvideo,videodev
btusb 19608 2
snd_hda_intel 435636 3
snd_pcm_oss 46336 0
snd_mixer_oss 22656 1 snd_pcm_oss
snd_pcm 82948 2 snd_hda_intel,snd_pcm_oss
snd_seq_dummy 10756 0
snd_seq_oss 37760 0
snd_seq_midi 14336 0
snd_rawmidi 29696 1 snd_seq_midi
snd_seq_midi_event 15104 2 snd_seq_oss,snd_seq_midi
snd_seq 56880 6 snd_seq_dummy,snd_seq_oss,snd_seq_midi,snd_seq_mid i_event
snd_timer 29704 2 snd_pcm,snd_seq
snd_seq_device 14988 5 snd_seq_dummy,snd_seq_oss,snd_seq_midi,snd_rawmidi ,snd_seq
psmouse 61972 0
serio_raw 13316 0
pcspkr 10496 0
snd 62628 15 snd_hda_intel,snd_pcm_oss,snd_mixer_oss,snd_pcm,sn d_seq_oss,snd_rawmidi,snd_seq,snd_timer,snd_seq_de vice
iTCO_wdt 19108 0
iTCO_vendor_support 11652 1 iTCO_wdt
video 25360 0
intel_agp 34108 1
output 11008 1 video
soundcore 15200 1 snd
agpgart 42696 3 drm,intel_agp
snd_page_alloc 16904 2 snd_hda_intel,snd_pcm
squashfs 46344 1
aufs 165924 1
exportfs 12544 1 aufs
nls_iso8859_1 12032 1
nls_cp437 13696 1
vfat 18816 1
fat 58272 1 vfat
usbhid 42336 0
usb_storage 82880 1
sky2 54916 0
fbcon 46112 0
tileblit 10752 1 fbcon
font 16384 1 fbcon
bitblit 13824 1 fbcon
softcursor 9984 1 bitblit


5 ) Kernel boot messages
Code:

$ dmesg

.....

[ 60.872809] Bluetooth: BNEP (Ethernet Emulation) ver 1.3
[ 60.872819] Bluetooth: BNEP filters: protocol multicast
[ 60.918990] Bridge firewalling registered
[ 62.440698] lp: driver loaded but no devices found
[ 62.459802] ppdev: user-space parallel port driver
[ 63.733986] [drm] Initialized drm 1.1.0 20060810
[ 63.757339] pci 0000:00:02.0: PCI INT A -> GSI 16 (level, low) -> IRQ 16
[ 63.757352] pci 0000:00:02.0: setting latency timer to 64
[ 63.757710] [drm] Initialized i915 1.6.0 20080730 on minor 0
[ 63.770167] [drm:i915_setparam] *ERROR* unknown parameter 4
[ 63.770240] [drm:i915_getparam] *ERROR* Unknown parameter 6
[ 64.970973] [drm:i915_getparam] *ERROR* Unknown parameter 6
[ 66.033879] sky2 eth0: enabling interface
[ 66.034432] ADDRCONF(NETDEV_UP): eth0: link is not ready
[ 73.147372] [drm:i915_getparam] *ERROR* Unknown parameter 6
[ 76.379009] [drm:i915_getparam] *ERROR* Unknown parameter 6
[ 210.600697] Monitor-Mwait will be used to enter C-2 state
[ 210.619539] Marking TSC unstable due to TSC halts in idle


6 ) Network configuration
Code:

$ sudo lshw -C network

ubuntu@ubuntu:~$ sudo lshw -C network
*-network UNCLAIMED
description: Network controller
product: Realtek Semiconductor Co., Ltd.
vendor: Realtek Semiconductor Co., Ltd.
physical id: 0
bus info: pci@0000:02:00.0
version: 01
width: 32 bits
clock: 33MHz
capabilities: pm msi pciexpress bus_master cap_list
configuration: latency=0
*-network
description: Ethernet interface
product: 88E8040 PCI-E Fast Ethernet Controller
vendor: Marvell Technology Group Ltd.
physical id: 0
bus info: pci@0000:03:00.0
logical name: eth0
version: 13
serial: 00:13:77:fb:9a:d2
capacity: 100MB/s
width: 64 bits
clock: 33MHz
capabilities: pm msi pciexpress bus_master cap_list ethernet physical tp 10bt 10bt-fd 100bt 100bt-fd autonegotiation
configuration: autonegotiation=on broadcast=yes driver=sky2 driverversion=1.22 firmware=N/A latency=0 link=no module=sky2 multicast=yes port=twisted pair
*-network DISABLED
description: Ethernet interface
physical id: 2
logical name: pan0
serial: fe:64:4a:6a:a8:be
capabilities: ethernet physical
configuration: broadcast=yes driver=bridge driverversion=2.3 firmware=N/A link=yes multicast=yes


7 ) Scan for networks:
Code:

$ iwlist scan

ubuntu@ubuntu:~$ iwlist scan
lo Interface doesn't support scanning.

eth0 Interface doesn't support scanning.

pan0 Interface doesn't support scanning.


8 ) Ubuntu Version:
Code:

$ lsb_release -d

ubuntu@ubuntu:~$ lsb_release -d
Description: Ubuntu 9.04

9 ) Kernel/architecture (including 32 vs. 64 bit):
Code:

$ uname -mr

ubuntu@ubuntu:~$ -uname -mr
bash: -uname: command not found


10 ) Restarting the network:
Code:

$ sudo /etc/init.d/networking restart

ubuntu@ubuntu:~$ sudo /etc/init.d/networking restart
* Reconfiguring network interfaces... [ OK ]

I went into Windows system manager and check, the wireless card is Realtek 8192E 802.11n wireless card.

[smallrock]

Hi. I got wifi working on Samsung n120 with Ubuntu 9.04 Jaunty UNR by using Ndiswrapper. Just install Ndiswrapper with Synaptic, download Windows XP driver for Samsung n120 wifi card Realtek 8192 (you can find it on samsung webpage) and unpack it, and then just find unpacked net819xp.inf file with ndiswrapper and it should work (off course you need to set up your wifi functions like ssid, password etc.) Ndiswrapper may say that it couldn't find the device, but it works.
Good luck.

[strombom]

I have another problem with the same hardware.

It can connect to wifi networks with no encryption. However, when I try to connect to an encrypted network it just keeps asking for the key, which I have confirmed is the correct one on another computer.

[MJV_fi]

I got wifi working on Samsung n120 with Ubuntu 9.04 Jaunty UNR by using Ndiswrapper.

Thank you for this.

After struggling with the issue for a while I tried this, and for me it's also working. (Also, my router uses WPA2 security and was found and connected to without problems - with the correct password, of course.)

[northd_tech]

From my experience, the Realtek 8192E needs different sourcecode than the 8192SE (and make sure whether you need the 32-bit or 64-bit versions, too).

See chili555's post #2 here for the 8192SE method (and I'm still searching for a working method for the 8192E).

http://ubuntuforums.org/showpost.php...65&postcount=2

The Realtek 8187__ appear to sometimes be able to use the 8192__ modules from what I've been reading.

[OlyDLG]

Hi. I got wifi working on Samsung n120 with Ubuntu 9.04 Jaunty UNR by using Ndiswrapper. Just install Ndiswrapper with Synaptic, download Windows XP driver for Samsung n120 wifi card Realtek 8192 (you can find it on samsung webpage) and unpack it, and then just find unpacked net819xp.inf file with ndiswrapper and it should work (off course you need to set up your wifi functions like ssid, password etc.) Ndiswrapper may say that it couldn't find the device, but it works.
Good luck.

Hi! I followed these instructions, everything appeared to work fine, but Ubuntu isn't finding the wireless card, even after logging out and back in. Is there a way force Ubuntu to look for the card? Or something else that needs to be done that isn't in the instructions above? Thanks!

[Romualdou]

Hi,

same issue, I started another thread for my Samsung R522 with Realtek 8192E. Did you install 32 or 64bit verstion of ubuntu ?

[northd_tech]

Hi,

same issue, I started another thread for my Samsung R522 with Realtek 8192E. Did you install 32 or 64bit verstion of ubuntu ?

It sounds like Realtek might finally have a working fix for this Romauldou (but you need to email them for the newest driver)- see these threads:

http://ubuntuforums.org/showthread.p...=Realtek+8192E

http://ubuntuforums.org/showthread.p...22#post8782922

[kjnelan]

(Okay, I know it's bad form to resurrect old threads, but this page does come up at the top in searches so I thought I'd post this anyway.)

If you have tried all of the above and are still having difficulty with your Realtek 8192 as I was, then read the following:

I had one bugger of a time getting the realtek 8192SE to work on my Toshiba Satellite. The fix actually was not on my computer, but on the router. The moment I changed the router from both “WPA2 AND WPA” to just WPA everything worked like a charm. I'm not a programmer and can not even begin to understand why things suddenly just worked after that change, but it did.

I've tried several live CD's, all of which now work with my wireless 8192SE after making just that one change.

Good luck all.