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View Full Version : [ubuntu] Ubuntu 10 04 Dell Inspiron Mini wlan0 network is down



BARNESJS
December 27th, 2011, 06:40 PM
while playing in the terminal i think i disconnected my wireless network, i had 8.04 hardy heron and tried upgrading to 10.04 to try to fix the problem but it didn't get fixed, i have looked at other posts but cant make sense of any of this output information, im a ubuntu newbie, here is some info that i figured is helpful

it seems in a couple places the network is simply disconnected but i dont have a clue on how to reconnect it, i also dont know the cool trick for posting your terminal displace nicely in a post, sorry!

scotty@Hebert:~$ sudo lshw -C network
[sudo] password for scotty:
*-network
description: Ethernet interface
product: RTL8101E/RTL8102E PCI Express Fast Ethernet controller
vendor: Realtek Semiconductor Co., Ltd.
physical id: 0
bus info: pci@0000:02:00.0
logical name: eth0
version: 02
serial: 00:24:e8:95:2c:03
size: 10MB/s
capacity: 100MB/s
width: 64 bits
clock: 33MHz
capabilities: pm msi pciexpress msix vpd bus_master cap_list rom ethernet physical tp mii 10bt 10bt-fd 100bt 100bt-fd autonegotiation
configuration: autonegotiation=on broadcast=yes driver=r8169 driverversion=2.3LK-NAPI duplex=half latency=0 link=no multicast=yes port=MII speed=10MB/s
resources: irq:24 ioport:2000(size=256) memory:d8410000-d8410fff(prefetchable) memory:d8400000-d840ffff(prefetchable) memory:d8420000-d843ffff(prefetchable)
*-network
description: Network controller
product: BCM4312 802.11b/g
vendor: Broadcom Corporation
physical id: 0
bus info: pci@0000:03:00.0
version: 01
width: 64 bits
clock: 33MHz
capabilities: pm msi pciexpress bus_master cap_list
configuration: driver=b43-pci-bridge latency=0
resources: irq:17 memory:d8000000-d8003fff
*-network DISABLED
description: Wireless interface
physical id: 3
logical name: wlan0
serial: 00:23:08:6e:b5:c4
capabilities: ethernet physical wireless
configuration: broadcast=yes multicast=yes wireless=IEEE 802.11bg
scotty@Hebert:~$ lsmod
Module Size Used by
btrfs 462393 0
zlib_deflate 19568 1 btrfs
crc32c 2519 1
libcrc32c 875 1 btrfs
ufs 72774 0
qnx4 6484 0
hfsplus 70800 0
hfs 40754 0
minix 25197 0
ntfs 94791 0
vfat 8933 0
msdos 6392 0
fat 47767 2 vfat,msdos
jfs 172461 0
xfs 513478 0
exportfs 3437 1 xfs
reiserfs 225481 0
rtl8187 50680 0
eeprom_93cx6 1333 1 rtl8187
binfmt_misc 6587 1
rfcomm 33421 4
sco 7917 2
ppdev 5259 0
bridge 45582 0
stp 1655 1 bridge
bnep 9436 2
l2cap 30624 16 rfcomm,bnep
joydev 8740 0
snd_hda_codec_realtek 203376 1
snd_hda_intel 22069 2
snd_hda_codec 74201 2 snd_hda_codec_realtek,snd_hda_intel
snd_hwdep 5412 1 snd_hda_codec
snd_pcm_oss 35308 0
snd_mixer_oss 13746 1 snd_pcm_oss
snd_pcm 70694 3 snd_hda_intel,snd_hda_codec,snd_pcm_oss
snd_seq_dummy 1338 0
arc4 1153 2
snd_seq_oss 26722 0
snd_seq_midi 4557 0
snd_rawmidi 19056 1 snd_seq_midi
snd_seq_midi_event 6003 2 snd_seq_oss,snd_seq_midi
snd_seq 47263 6 snd_seq_dummy,snd_seq_oss,snd_seq_midi,snd_seq_mid i_event
snd_timer 19098 2 snd_pcm,snd_seq
snd_seq_device 5700 5 snd_seq_dummy,snd_seq_oss,snd_seq_midi,snd_rawmidi ,snd_seq
dell_wmi 1793 0
b43 163556 0
uvcvideo 57374 0
compal_laptop 2034 0
fbcon 35102 71
tileblit 1999 1 fbcon
font 7557 1 fbcon
mac80211 205402 2 rtl8187,b43
snd 54244 16 snd_hda_codec_realtek,snd_hda_intel,snd_hda_codec, snd_hwdep,snd_pcm_oss,snd_mixer_oss,snd_pcm,snd_se q_oss,snd_rawmidi,snd_seq,snd_timer,snd_seq_device
bitblit 4707 1 fbcon
softcursor 1189 1 bitblit
dcdbas 5422 0
videodev 34361 1 uvcvideo
v4l1_compat 13251 2 uvcvideo,videodev
psmouse 63677 0
cfg80211 126144 3 rtl8187,b43,mac80211
btusb 11053 2
bluetooth 49892 9 rfcomm,sco,bnep,l2cap,btusb
i2c_isch 3311 0
serio_raw 3978 0
vga16fb 11385 1
led_class 2864 2 rtl8187,b43
soundcore 6620 1 snd
snd_page_alloc 7076 2 snd_hda_intel,snd_pcm
vgastate 8961 1 vga16fb
video 17375 0
output 1871 1 video
lp 7028 0
parport 32635 2 ppdev,lp
usb_storage 39841 0
r8169 34140 0
pata_sch 1963 2
mii 4381 1 r8169
ssb 38934 1 b43
scotty@Hebert:~$ iwlist scanning
lo Interface doesn't support scanning.

eth0 Interface doesn't support scanning.

wlan0 Failed to read scan data : Network is down

pan0 Interface doesn't support scanning.

scotty@Hebert:~$ uname -mr
2.6.32-33-generic i686
scotty@Hebert:~$ ifconfig wlan0
wlan0 Link encap:Ethernet HWaddr 00:23:08:6e:b5:c4
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)

scotty@Hebert:~$ iwconfig wlan0
wlan0 IEEE 802.11bg ESSID:off/any
Mode:Managed Access Point: Not-Associated Tx-Power=0 dBm
Retry long limit:7 RTS thr:off Fragment thr:off
Power Management:off

scotty@Hebert:~$ sudo /etc/init.d/networking restart
* Reconfiguring network interfaces... [ OK ]
scotty@Hebert:~$ /etc/network/interfaces
bash: /etc/network/interfaces: Permission denied
scotty@Hebert:~$ nm-tool

NetworkManager Tool

State: disconnected

- Device: eth0 -----------------------------------------------------------------
Type: Wired
Driver: r8169
State: unavailable
Default: no
HW Address: 00:24:E8:95:2C:03

Capabilities:
Carrier Detect: yes
Speed: 10 Mb/s

Wired Properties
Carrier: off


- Device: wlan0 ----------------------------------------------------------------
Type: 802.11 WiFi
Driver: b43
State: disconnected
Default: no
HW Address: 00:23:08:6E:B5:C4

Capabilities:

Wireless Properties
WEP Encryption: yes
WPA Encryption: yes
WPA2 Encryption: yes

Wireless Access Points