[vox-tech] Wired & Wireless connection problems - Jaunty KDE4.3
Thomas Johnston
trjohnston at ucdavis.edu
Wed Nov 18 12:13:52 PST 2009
This weekend I upgraded KDE4.2 to KDE4.3. For whatever reason, the
upgrade didn't go perfectly well, so I removed KDE4.3 and then
reinstalled it. The second time there were no errors during the
installation, but I lot of applications/settings got lost. Let's deal
with the networking issues first.
I thought that the networking issues may be related to Knetwork
manager (lots of forum posts about it being problematic), so I
installed Wicd. Installing Wicd made no difference - still have the
same problems (see below).
The two main networking problems are:
(1) i can't get a wired network connection established. I am on the
UC Davis campus in my office. I click the button to connect and it
just hangs on "obtaining IP address". Under the Wicd preferences tab,
I have the DHCP client, Wired Link Detection, and Route Table Flushing
all set to "automatic". Other people in my lab running, windows, mac
and other linux distros seem to have no wired connection troubles.
(2) my ability to connect to wireless networks is also limited. I can
connect to SOME unencrypted wireless networks, e.g., I can connect to
moobilenet. However, my labmate has a open wireless network setup
(with our lab printer on it) which I cannot connect to. No
encryption, no MAC address filtering, just an open 802.11g access
point. I generally cannot connect to encrypted networks. However,
I did finally managed to get connected to my wireless DSL router at
home.
I am fairly novice Linux user, so I don't really know what information
i should be giving you in order to diagnose the problem. But below is
the output of eight terminal commands that I hope are relevant. Since
the output is kind of long, here is a list of the commands that I
issued and indicates the order of the output. Maybe this will help
you jump to the important parts of the output.
% (1) sudo lshw -C network
% (2) sudo iwlist scan
% (3) lspci -nn
% (4) lsmod
% (5) route -n
% (6) uname -r
% (7) sudo iwconfig
% (8) ifconfig
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%%% (1) OUTPUT OF: sudo lshw -C network
thomas at thomas-Vostro1500:~$ sudo lshw -C network
[sudo] password for thomas:
*-network
description: Wireless interface
product: BCM4312 802.11b/g
vendor: Broadcom Corporation
physical id: 0
bus info: pci at 0000:0c:00.0
logical name: eth1
version: 01
serial: 00:1e:4c:c1:ec:4c
width: 64 bits
clock: 33MHz
capabilities: pm msi pciexpress bus_master cap_list ethernet
physical wireless
configuration: broadcast=yes driver=wl0 driverversion=5.10.91.9
ip=128.120.103.21 latency=0 module=wl multicast=yes wireless=IEEE
802.11bg
*-network
description: Ethernet interface
product: BCM4401-B0 100Base-TX
vendor: Broadcom Corporation
physical id: 0
bus info: pci at 0000:03:00.0
logical name: eth0
version: 02
serial: 00:1d:09:c1:e5:75
size: 10MB/s
capacity: 100MB/s
width: 32 bits
clock: 33MHz
capabilities: pm bus_master cap_list ethernet physical mii 10bt
10bt-fd 100bt 100bt-fd autonegotiation
configuration: autonegotiation=on broadcast=yes driver=b44
driverversion=2.0 duplex=half latency=64 link=no module=ssb
multicast=yes port=twisted pair speed=10MB/s
*-network:0 DISABLED
description: Ethernet interface
physical id: 1
logical name: vboxnet0
serial: 0a:00:27:00:00:00
capabilities: ethernet physical
configuration: broadcast=yes multicast=yes
*-network:1 DISABLED
description: Ethernet interface
physical id: 2
logical name: pan0
serial: 82:90:9d:0f:51:17
capabilities: ethernet physical
configuration: broadcast=yes driver=bridge driverversion=2.3
firmware=N/A link=yes multicast=yes
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
(2) OUTPUT OF: sudo iwlist scan
thomas at thomas-Vostro1500:~$ sudo iwlist scan
lo Interface doesn't support scanning.
eth0 Interface doesn't support scanning.
eth1 Scan completed :
Cell 01 - Address: 00:0B:86:F4:47:00
ESSID:"moobilenetx"
Mode:Managed
Frequency:2.412 GHz (Channel 1)
Quality:5/5 Signal level:-52 dBm Noise level:-88 dBm
IE: WPA Version 1
Group Cipher : TKIP
Pairwise Ciphers (1) : TKIP
Authentication Suites (1) : 802.1x
Encryption key:on
Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 6 Mb/s; 9 Mb/s
11 Mb/s; 12 Mb/s; 18 Mb/s; 24 Mb/s; 36 Mb/s
48 Mb/s; 54 Mb/s
Cell 02 - Address: 00:0B:86:F4:47:01
ESSID:"moobilenet"
Mode:Managed
Frequency:2.412 GHz (Channel 1)
Quality:5/5 Signal level:-52 dBm Noise level:-88 dBm
Encryption key:off
Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 6 Mb/s; 9 Mb/s
11 Mb/s; 12 Mb/s; 18 Mb/s; 24 Mb/s; 36 Mb/s
48 Mb/s; 54 Mb/s
Cell 03 - Address: 00:0D:3A:6B:E8:C7
ESSID:"biosport"
Mode:Managed
Frequency:2.437 GHz (Channel 6)
Quality:5/5 Signal level:-35 dBm Noise level:-90 dBm
Encryption key:off
Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 11 Mb/s; 18 Mb/s
24 Mb/s; 36 Mb/s; 54 Mb/s; 6 Mb/s; 9 Mb/s
12 Mb/s; 48 Mb/s
Cell 04 - Address: 00:90:4B:34:AD:D4
ESSID:"WAP2338"
Mode:Managed
Frequency:2.437 GHz (Channel 6)
Quality:5/5 Signal level:-51 dBm Noise level:-90 dBm
Encryption key:on
Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 11 Mb/s; 18 Mb/s
24 Mb/s; 36 Mb/s; 54 Mb/s; 6 Mb/s; 9 Mb/s
12 Mb/s; 48 Mb/s
Cell 05 - Address: 00:06:25:90:03:55
ESSID:"crestron"
Mode:Managed
Frequency:2.437 GHz (Channel 6)
Quality:5/5 Signal level:-49 dBm Noise level:-90 dBm
Encryption key:on
Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 11 Mb/s
Cell 06 - Address: 00:21:29:C3:41:63
ESSID:"ITSnet"
Mode:Managed
Frequency:2.437 GHz (Channel 6)
Quality:1/5 Signal level:-80 dBm Noise level:-90 dBm
Encryption key:on
Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 11 Mb/s; 18 Mb/s
24 Mb/s; 36 Mb/s; 54 Mb/s; 6 Mb/s; 9 Mb/s
12 Mb/s; 48 Mb/s
Cell 07 - Address: 00:18:39:6A:0C:F9
ESSID:"ITSnet"
Mode:Managed
Frequency:2.462 GHz (Channel 11)
Quality:5/5 Signal level:-49 dBm Noise level:-88 dBm
Encryption key:on
Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 11 Mb/s; 18 Mb/s
24 Mb/s; 36 Mb/s; 54 Mb/s; 6 Mb/s; 9 Mb/s
12 Mb/s; 48 Mb/s
Cell 08 - Address: 00:21:29:70:F7:F5
ESSID:"DAS 1028"
Mode:Managed
Frequency:2.462 GHz (Channel 11)
Quality:2/5 Signal level:-73 dBm Noise level:-88 dBm
IE: IEEE 802.11i/WPA2 Version 1
Group Cipher : TKIP
Pairwise Ciphers (2) : CCMP TKIP
Authentication Suites (1) : PSK
IE: WPA Version 1
Group Cipher : TKIP
Pairwise Ciphers (2) : CCMP TKIP
Authentication Suites (1) : PSK
Encryption key:on
Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 11 Mb/s; 18 Mb/s
24 Mb/s; 36 Mb/s; 54 Mb/s; 6 Mb/s; 9 Mb/s
12 Mb/s; 48 Mb/s
Cell 09 - Address: 02:23:FE:AE:0E:DE
ESSID:"print server 206450"
Mode:Ad-Hoc
Frequency:2.462 GHz (Channel 11)
Quality:2/5 Signal level:-79 dBm Noise level:-88 dBm
Encryption key:off
Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 11 Mb/s
vboxnet0 Interface doesn't support scanning.
pan0 Interface doesn't support scanning.
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%%% (3) OUTPUT OF: lspci -nn
thomas at thomas-Vostro1500:~$ lspci -nn
00:00.0 Host bridge [0600]: Intel Corporation Mobile PM965/GM965/GL960
Memory Controller Hub [8086:2a00] (rev 0c)
00:01.0 PCI bridge [0604]: Intel Corporation Mobile PM965/GM965/GL960
PCI Express Root Port [8086:2a01] (rev 0c)
00:1a.0 USB Controller [0c03]: Intel Corporation 82801H (ICH8 Family)
USB UHCI Controller #4 [8086:2834] (rev 02)
00:1a.1 USB Controller [0c03]: Intel Corporation 82801H (ICH8 Family)
USB UHCI Controller #5 [8086:2835] (rev 02)
00:1a.7 USB Controller [0c03]: Intel Corporation 82801H (ICH8 Family)
USB2 EHCI Controller #2 [8086:283a] (rev 02)
00:1b.0 Audio device [0403]: Intel Corporation 82801H (ICH8 Family) HD
Audio Controller [8086:284b] (rev 02)
00:1c.0 PCI bridge [0604]: Intel Corporation 82801H (ICH8 Family) PCI
Express Port 1 [8086:283f] (rev 02)
00:1c.1 PCI bridge [0604]: Intel Corporation 82801H (ICH8 Family) PCI
Express Port 2 [8086:2841] (rev 02)
00:1c.3 PCI bridge [0604]: Intel Corporation 82801H (ICH8 Family) PCI
Express Port 4 [8086:2845] (rev 02)
00:1d.0 USB Controller [0c03]: Intel Corporation 82801H (ICH8 Family)
USB UHCI Controller #1 [8086:2830] (rev 02)
00:1d.1 USB Controller [0c03]: Intel Corporation 82801H (ICH8 Family)
USB UHCI Controller #2 [8086:2831] (rev 02)
00:1d.2 USB Controller [0c03]: Intel Corporation 82801H (ICH8 Family)
USB UHCI Controller #3 [8086:2832] (rev 02)
00:1d.7 USB Controller [0c03]: Intel Corporation 82801H (ICH8 Family)
USB2 EHCI Controller #1 [8086:2836] (rev 02)
00:1e.0 PCI bridge [0604]: Intel Corporation 82801 Mobile PCI Bridge
[8086:2448] (rev f2)
00:1f.0 ISA bridge [0601]: Intel Corporation 82801HEM (ICH8M) LPC
Interface Controller [8086:2815] (rev 02)
00:1f.1 IDE interface [0101]: Intel Corporation 82801HBM/HEM
(ICH8M/ICH8M-E) IDE Controller [8086:2850] (rev 02)
00:1f.2 IDE interface [0101]: Intel Corporation 82801HBM/HEM
(ICH8M/ICH8M-E) SATA IDE Controller [8086:2828] (rev 02)
00:1f.3 SMBus [0c05]: Intel Corporation 82801H (ICH8 Family) SMBus
Controller [8086:283e] (rev 02)
01:00.0 VGA compatible controller [0300]: nVidia Corporation GeForce
8600M GT [10de:0407] (rev a1)
03:00.0 Ethernet controller [0200]: Broadcom Corporation BCM4401-B0
100Base-TX [14e4:170c] (rev 02)
03:01.0 FireWire (IEEE 1394) [0c00]: Ricoh Co Ltd R5C832 IEEE 1394
Controller [1180:0832] (rev 05)
03:01.1 SD Host controller [0805]: Ricoh Co Ltd R5C822
SD/SDIO/MMC/MS/MSPro Host Adapter [1180:0822] (rev 22)
03:01.2 System peripheral [0880]: Ricoh Co Ltd R5C592 Memory Stick Bus
Host Adapter [1180:0592] (rev 12)
03:01.3 System peripheral [0880]: Ricoh Co Ltd xD-Picture Card
Controller [1180:0852] (rev 12)
0c:00.0 Network controller [0280]: Broadcom Corporation BCM4312
802.11b/g [14e4:4315] (rev 01)
thomas at thomas-Vostro1500:~$
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%%% (4) OUTPUT OF: lsmod
thomas at thomas-Vostro1500:~$ lsmod
Module Size Used by
binfmt_misc 16776 1
ppdev 15620 0
bridge 56212 0
stp 10500 1 bridge
bnep 20224 2
vboxnetadp 88552 0
vboxnetflt 95240 0
vboxdrv 130344 1 vboxnetflt
input_polldev 11912 0
joydev 18368 0
lp 17156 0
parport 42220 2 ppdev,lp
snd_hda_intel 436148 3
snd_pcm_oss 46336 0
snd_mixer_oss 22656 1 snd_pcm_oss
snd_pcm 83076 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_midi_event
uvcvideo 63368 0
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
compat_ioctl32 9344 1 uvcvideo
psmouse 61972 0
videodev 41600 1 uvcvideo
ieee80211_crypt_tkip 16896 0
iTCO_wdt 19108 0
snd 62756 15
snd_hda_intel,snd_pcm_oss,snd_mixer_oss,snd_pcm,snd_seq_oss,snd_rawmidi,snd_seq,snd_timer,snd_seq_device
soundcore 15200 1 snd
v4l1_compat 21764 2 uvcvideo,videodev
btusb 19608 2
wl 1281364 0
sdhci_pci 15232 0
sdhci 23940 1 sdhci_pci
iTCO_vendor_support 11652 1 iTCO_wdt
usbhid 42336 0
snd_page_alloc 16904 2 snd_hda_intel,snd_pcm
dcdbas 15264 0
nvidia 7233756 42
serio_raw 13444 0
pcspkr 10496 0
ieee80211_crypt 13444 2 ieee80211_crypt_tkip,wl
intel_agp 34108 0
agpgart 42696 2 nvidia,intel_agp
video 25872 6
output 11008 1 video
b44 35984 0
ssb 41220 1 b44
mii 13312 1 b44
ohci1394 38576 0
ieee1394 94660 1 ohci1394
fbcon 46112 0
tileblit 10752 1 fbcon
font 16384 1 fbcon
bitblit 13824 1 fbcon
softcursor 9984 1 bitblit
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%%% (5) OUTPUT OF: route -n
thomas at thomas-Vostro1500:~$ route -n
Kernel IP routing table
Destination Gateway Genmask Flags Metric Ref Use Iface
128.120.103.0 0.0.0.0 255.255.255.0 U 0 0 0 eth1
0.0.0.0 128.120.103.254 0.0.0.0 UG 0 0 0 eth1
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%%% (6) OUTPUT OF: uname -r
thomas at thomas-Vostro1500:~$ uname -r
2.6.28-16-generic
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%%% (7) OUTPUT OF: sudo iwconfig
thomas at thomas-Vostro1500:~$ sudo iwconfig
[sudo] password for thomas:
lo no wireless extensions.
eth0 no wireless extensions.
eth1 IEEE 802.11bg ESSID:"moobilenet" Nickname:""
Mode:Managed Frequency:2.412 GHz Access Point: 00:0B:86:F4:47:01
Bit Rate=54 Mb/s Tx-Power:32 dBm
Retry min limit:7 RTS thr:off Fragment thr:off
Power Managementmode:All packets received
Link Quality=4/5 Signal level=-59 dBm Noise level=-86 dBm
Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0
Tx excessive retries:0 Invalid misc:0 Missed beacon:0
vboxnet0 no wireless extensions.
pan0 no wireless extensions.
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%%% (8) OUTPUT OF: ifconfig
thomas at thomas-Vostro1500:~$ ifconfig
eth0 Link encap:Ethernet HWaddr 00:1d:09:c1:e5:75
UP BROADCAST RUNNING 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:17
eth1 Link encap:Ethernet HWaddr 00:1e:4c:c1:ec:4c
inet addr:128.120.103.21 Bcast:128.120.103.255 Mask:255.255.255.0
inet6 addr: fe80::21e:4cff:fec1:ec4c/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:54830 errors:0 dropped:0 overruns:0 frame:143562
TX packets:5004 errors:8 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:13816966 (13.8 MB) TX bytes:1109281 (1.1 MB)
Interrupt:17 Base address:0xc000
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:44 errors:0 dropped:0 overruns:0 frame:0
TX packets:44 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:2640 (2.6 KB) TX bytes:2640 (2.6 KB)
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