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Linux - Laptop and Netbook Having a problem installing or configuring Linux on your laptop? Need help running Linux on your netbook? This forum is for you. This forum is for any topics relating to Linux and either traditional laptops or netbooks (such as the Asus EEE PC, Everex CloudBook or MSI Wind).

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Old 07-30-2007, 02:24 AM   #1
es0teric
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Registered: Apr 2007
Distribution: Ubuntu
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Inspiron E1705 can't find wireless network


K, so I bought a laptop and moved into a new apartment for the summer. The system is a Dell Inspiron E1705 with the Dell 1390 b/g wireless. It's in a dual boot configuration running Vista and Slackware 12.0.

I've never used wireless in Linux before, and I can't seem to get it working in Slackware. After some Googling, I kinda got the impression that there are two main ways to go about it in my situation: get ndiswrapper and try to wrap around the driver I use in Windows, or use the bcm43xx driver that's already included in Slackware. I can't seem to get either to work successfully. =/

In Vista, the wireless works beautifully. Excellent signal strength to multiple networks, so that shouldn't be an issue.

Slackware seems to recognize the presence of the NIC, but just can't detect or connect to any networks. Using the bcm43xx driver, here's the output I get from some relevant commands:

iwconfig
Code:
eth1      IEEE 802.11b/g  ESSID:""  Nickname:"slackb0x"
          Mode:Managed  Access Point: Invalid   
          RTS thr:off   Fragment thr:off
          Encryption key:off
          Link Quality=0/100  Signal level=-256 dBm  Noise level=-256 dBm
          Rx invalid nwid:0  Rx invalid crypt:0  Rx invalid frag:0
          Tx excessive retries:0  Invalid misc:0   Missed beacon:0
lsmod
Code:
Module                  Size  Used by
bcm43xx               428064  0 
ieee80211softmac       30464  1 bcm43xx
ieee80211              34248  2 bcm43xx,ieee80211softmac
ieee80211_crypt         8576  1 ieee80211
snd_seq_dummy           6788  0 
snd_seq_oss            32896  0 
snd_seq_midi_event     10112  1 snd_seq_oss
snd_seq                50640  5 snd_seq_dummy,snd_seq_oss,snd_seq_midi_event
snd_seq_device         10508  3 snd_seq_dummy,snd_seq_oss,snd_seq
snd_pcm_oss            42784  0 
snd_mixer_oss          18048  1 snd_pcm_oss
ipv6                  254496  12 
pcmcia                 34988  0 
pcmcia_core            36500  1 pcmcia
capability              7304  0 
commoncap               9344  1 capability
lp                     13736  0 
parport_pc             27812  0 
parport                34760  2 lp,parport_pc
pcspkr                  6528  0 
psmouse                39048  0 
b44                    26764  0 
mii                     8576  1 b44
sdhci                  18828  0 
nvidia               7243924  0 
mmc_core               25988  1 sdhci
sg                     30364  0 
i2c_i801               11408  0 
snd_hda_intel          20248  0 
snd_hda_codec         209152  1 snd_hda_intel
intel_agp              25116  1 
iTCO_wdt               12964  0 
agpgart                31432  2 nvidia,intel_agp
snd_pcm                72068  3 snd_pcm_oss,snd_hda_intel,snd_hda_codec
iTCO_vendor_support     7172  1 iTCO_wdt
serio_raw               9220  0 
shpchp                 33172  0 
ata_generic             9220  0 
evdev                  11904  1 
snd_timer              22532  2 snd_seq,snd_pcm
snd                    47204  9 snd_seq_oss,snd_seq,snd_seq_device,snd_pcm_oss,snd_mixer_oss,snd_hda_intel,snd_hda_codec,snd_pcm,snd_timer
soundcore               9824  1 snd
snd_page_alloc         11528  2 snd_hda_intel,snd_pcm
iwlist scan
Code:
lo        Interface doesn't support scanning.

eth0      Interface doesn't support scanning.

eth1      Interface doesn't support scanning : No such device
How exactly do you normally connect to a wireless network in Linux? Just scan using iwlist, and then a list of available networks should appear... right??

Anyway, if I try to go the ndiswrapper route, I can't even get it to recognize the NIC at all in iwconfig. Here are the steps I'm using

modprobe -r bcm43xx
ndiswrapper -i bcmwl5
modprobe ndiswrapper

ndiswrapper -l
Code:
bcmwl5 : driver installed
	device (14E4:4311) present (alternate driver: bcm43xx)
After performing those steps, eth1 doesn't even show up in iwconfig at all.

I know wireless/laptop situations have a bad rep in Linux, and I'm hoping I'm not just SOL on this one. Any help on this would be greatly appreciated. If there's any other output I can post that would be helpful, just let me know.

Thanks!

Last edited by es0teric; 07-30-2007 at 02:26 AM.
 
Old 07-30-2007, 04:25 AM   #2
Lenard
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Location: Indiana
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Also remove the related ieee82011 modules;
Code:
ieee80211softmac       30464  1 bcm43xx
ieee80211              34248  2 bcm43xx,ieee80211softmac
ieee80211_crypt         8576  1 ieee80211
 
Old 07-31-2007, 01:25 AM   #3
es0teric
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Registered: Apr 2007
Distribution: Ubuntu
Posts: 105

Original Poster
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Ok, turns out all I had to was blacklist bcm43xx and then reboot. ndiswrapper now seems to be recognizing my wireless card. Step in the right direction, but I still don't quite have internet connectivity.

Now here's the output I'm getting:

ifconfig -a
Code:
eth0      Link encap:Ethernet  HWaddr 00:18:8B:CA:47:3B  
          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:88 errors:0 dropped:0 overruns:0 frame:0
          TX packets:88 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0 
          RX bytes:7084 (6.9 KiB)  TX bytes:7084 (6.9 KiB)

wlan0     Link encap:Ethernet  HWaddr 00:19:7E:68:6A:2A  
          inet6 addr: fe80::219:7eff:fe68:6a2a/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:10703 errors:0 dropped:0 overruns:0 frame:0
          TX packets:6 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000 
          RX bytes:968866 (946.1 KiB)  TX bytes:468 (468.0 b)
          Interrupt:18 Memory:ecffc000-ed000000
iwconfig
Code:
wlan0     IEEE 802.11g  ESSID:"Wayport_Access"  Nickname:"slackb0x"
          Mode:Managed  Frequency:2.437 GHz  Access Point: 00:11:5C:6B:9F:50   
          Bit Rate=54 Mb/s   Tx-Power:32 dBm   
          RTS thr=2347 B   Fragment thr=2346 B   
          Encryption key:off
          Power Management:off
          Link Quality:70/100  Signal level:-51 dBm  Noise level:-96 dBm
          Rx invalid nwid:0  Rx invalid crypt:0  Rx invalid frag:0
          Tx excessive retries:0  Invalid misc:0   Missed beacon:0
It sees the card now and detects the wireless network (I didn't input that SSID, it automatically detected it), but it just doesn't seem to be getting an ipv4 address from the DHCP server like it should. The only thing I can successfully ping is the loopback address.

Any idearz?

Thank you for the help so far. Oh and I realized that this question is probably more appropriate for the Networking->Wireless Networking forum. My bad on that one.
 
  


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