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Old 03-20-2010, 02:54 PM   #1
seaofqi
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ubuntu 8.10 not working with RTL8187b wireless


Ok, I've been using linux for about a year but I'm not a programmer or anything. I recently got a Toshiba Satellite L550 that has a Realtek 802.11b/g wireless LAN. I am using ubuntu 8.10 and everything I've read on this forum and others states that this version of ubuntu can use this device. However, it seems that my system doesn't even know the device is there. When I run "sudo lshw -C network", I get this:

[sudo] password for house:
*-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: 00:26:6c:31:33:29
capacity: 1GB/s
width: 64 bits
clock: 33MHz
capabilities: pm msi pciexpress msix vpd bus_master cap_list ethernet physical tp 10bt 10bt-fd 100bt 100bt-fd 1000bt-fd autonegotiation
configuration: autonegotiation=on broadcast=yes driver=r8169 driverversion=2.3LK-NAPI duplex=half latency=0 link=no module=r8169 multicast=yes port=twisted pair
*-network:0
description: Ethernet interface
physical id: 1
logical name: eth1
serial: 00:0f:21:1f:56:a7
capabilities: ethernet physical
configuration: broadcast=yes driver=cdc_ether driverversion=22-Aug-2005 firmware=CDC Ethernet Device ip=24.27.195.248 link=yes multicast=yes
*-network:1 DISABLED
description: Ethernet interface
physical id: 2
logical name: pan0
serial: 5a:3c:ac:b5:8a:c0
capabilities: ethernet physical
configuration: broadcast=yes driver=bridge driverversion=2.3 firmware=N/A link=yes multicast=yes
house@house-laptop:~$
house@house-laptop:~$

None of the descriptions show a wireless device? I'm not sure what this means or what the next step is. My wired connection works fine. Any help would be greatly appreciated. Thank you.
 
Old 03-20-2010, 03:04 PM   #2
brucehinrichs
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What is the output of lspci?
 
1 members found this post helpful.
Old 03-20-2010, 03:08 PM   #3
smoker
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What kernel version ?

run
lsusb

to see if it's in there.
https://help.ubuntu.com/community/Wi...ealtekRTL8187b

Last edited by smoker; 03-20-2010 at 03:12 PM.
 
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Old 03-20-2010, 03:39 PM   #4
seaofqi
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thanks

thanks for your reply, here is lspci.

Quote:
Originally Posted by brucehinrichs View Post
What is the output of lspci?
house@house-laptop:~$ lspci
00:00.0 Host bridge: Intel Corporation Mobile 4 Series Chipset Memory Controller Hub (rev 07)
00:02.0 VGA compatible controller: Intel Corporation Mobile 4 Series Chipset Integrated Graphics Controller (rev 07)
00:02.1 Display controller: Intel Corporation Mobile 4 Series Chipset Integrated Graphics Controller (rev 07)
00:1a.0 USB Controller: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #4 (rev 03)
00:1a.1 USB Controller: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #5 (rev 03)
00:1a.7 USB Controller: Intel Corporation 82801I (ICH9 Family) USB2 EHCI Controller #2 (rev 03)
00:1b.0 Audio device: Intel Corporation 82801I (ICH9 Family) HD Audio Controller (rev 03)
00:1c.0 PCI bridge: Intel Corporation 82801I (ICH9 Family) PCI Express Port 1 (rev 03)
00:1c.4 PCI bridge: Intel Corporation 82801I (ICH9 Family) PCI Express Port 5 (rev 03)
00:1d.0 USB Controller: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #1 (rev 03)
00:1d.1 USB Controller: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #2 (rev 03)
00:1d.2 USB Controller: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #3 (rev 03)
00:1d.3 USB Controller: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #6 (rev 03)
00:1d.7 USB Controller: Intel Corporation 82801I (ICH9 Family) USB2 EHCI Controller #1 (rev 03)
00:1e.0 PCI bridge: Intel Corporation 82801 Mobile PCI Bridge (rev 93)
00:1f.0 ISA bridge: Intel Corporation ICH9M LPC Interface Controller (rev 03)
00:1f.2 SATA controller: Intel Corporation ICH9M/M-E SATA AHCI Controller (rev 03)
00:1f.3 SMBus: Intel Corporation 82801I (ICH9 Family) SMBus Controller (rev 03)
02:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8101E/RTL8102E PCI Express Fast Ethernet controller (rev 02)
house@house-laptop:~$
 
Old 03-20-2010, 03:46 PM   #5
seaofqi
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Quote:
Originally Posted by smoker View Post
What kernel version ?

run
lsusb

to see if it's in there.
https://help.ubuntu.com/community/Wi...ealtekRTL8187b
kernal 2.6.27-7-generic

house@house-laptop:~$ lsusb
Bus 008 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 007 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 006 Device 002: ID 069a:4402 Askey Computer Corp. Scientific Atlanta WebSTAR 2000 series Cable Modem
Bus 006 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 005 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
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
Bus 004 Device 003: ID 0bda:8198 Realtek Semiconductor Corp.
Bus 004 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
house@house-laptop:~$

I've checked the link you gave before but didn't give it much mind because I didn't think it applied to 8.10 ubuntu. So, does the lsusb show that I have a 8198 instead of the 8187b listed on the bottom of the laptop? Thanks for trying to help.
 
Old 03-20-2010, 03:53 PM   #6
smoker
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Quote:
So, does the lsusb show that I have a 8198 instead of the 8187b listed on the bottom of the laptop?
Apparently it mis-identifies the device, it should still be the 8187b.

Have you tried
sudo modprobe rtl8187

http://ubuntuforums.org/showthread.php?t=944292
 
Old 03-20-2010, 04:12 PM   #7
seaofqi
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Quote:
Originally Posted by smoker View Post
Have you tried
sudo modprobe rtl8187
i tried the code and the lsusb is still the 8198. ?? thanks again.
 
Old 03-20-2010, 04:25 PM   #8
smoker
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Modprobe installs the module into the kernel.
Use your network manager to find the device and use it.
 
Old 03-20-2010, 04:46 PM   #9
brucehinrichs
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I asked for lspci to see if it was there. It's not. smoker correctly had you check into lsusb (it is a usb device) and gave the proper instructions (thanks smoker).
 
Old 03-20-2010, 05:04 PM   #10
seaofqi
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Quote:
Originally Posted by smoker View Post
Modprobe installs the module into the kernel.
Use your network manager to find the device and use it.
so I typed "sudo modprobe rtl8187" into the terminal but there doesn't appear to be any change...the network manager still doesn't show any wireless devices/connections? maybe I missed a step? using the teminal is a bit new for me. i've used it to add wine and that's about it. again thanks very much for trying to help me with this.
 
Old 03-20-2010, 05:20 PM   #11
smoker
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run
lsmod

and see if the module was loaded.
If it was then this explains it better than I can. :
https://help.ubuntu.com/community/WifiDocs/WiFiHowTo

I suggest getting wireless-tools as described on that page, and proceeding from there.
 
Old 03-20-2010, 05:25 PM   #12
seaofqi
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Quote:
Originally Posted by smoker View Post
run
lsmod

and see if the module was loaded.
If it was then this explains it better than I can. :
https://help.ubuntu.com/community/WifiDocs/WiFiHowTo

I suggest getting wireless-tools as described on that page, and proceeding from there.
house@house-laptop:~$ lsmod
Module Size Used by
ipv6 263972 14
rtl8187 53120 0
mac80211 216820 1 rtl8187
eeprom_93cx6 10240 1 rtl8187
cfg80211 32392 2 rtl8187,mac80211
xt_limit 10372 6
xt_tcpudp 11008 12
ipt_LOG 13700 8
ipt_MASQUERADE 10752 0
xt_DSCP 11264 0
ipt_REJECT 11136 1
nf_conntrack_irc 13348 0
nf_conntrack_ftp 15652 0
xt_state 10112 6
af_packet 25728 2
i915 38144 2
drm 86056 3 i915
binfmt_misc 16904 1
rfcomm 44432 0
sco 18308 2
bridge 56980 0
stp 10628 1 bridge
bnep 20480 2
l2cap 30464 6 rfcomm,bnep
bluetooth 61924 6 rfcomm,sco,bnep,l2cap
ppdev 15620 0
acpi_cpufreq 15500 1
cpufreq_userspace 11396 0
cpufreq_conservative 14600 0
cpufreq_ondemand 14988 1
cpufreq_powersave 9856 0
cpufreq_stats 13188 0
freq_table 12672 3 acpi_cpufreq,cpufreq_ondemand,cpufreq_stats
wmi 14504 0
pci_slot 12552 0
sbs 19464 0
sbshc 13440 1 sbs
container 11520 0
parport_pc 39204 0
lp 17156 0
parport 42604 3 ppdev,parport_pc,lp
joydev 18368 0
psmouse 45200 0
cdc_ether 13312 0
serio_raw 13444 0
evdev 17696 9
pcspkr 10624 0
usbnet 24072 1 cdc_ether
snd_hda_intel 381488 3
snd_pcm_oss 46848 0
snd_mixer_oss 22784 1 snd_pcm_oss
snd_pcm 83204 2 snd_hda_intel,snd_pcm_oss
mii 13440 1 usbnet
snd_seq_dummy 10884 0
snd_seq_oss 38528 0
snd_seq_midi 14336 0
snd_rawmidi 29824 1 snd_seq_midi
snd_seq_midi_event 15232 2 snd_seq_oss,snd_seq_midi
snd_seq 57776 6 snd_seq_dummy,snd_seq_oss,snd_seq_midi,snd_seq_midi_event
snd_timer 29960 2 snd_pcm,snd_seq
snd_seq_device 15116 5 snd_seq_dummy,snd_seq_oss,snd_seq_midi,snd_rawmidi,snd_seq
shpchp 37908 0
pci_hotplug 35236 1 shpchp
snd 63268 15 snd_hda_intel,snd_pcm_oss,snd_mixer_oss,snd_pcm,snd_seq_oss,snd_rawmidi,snd_seq,snd_timer,snd_seq_de vice
soundcore 15328 1 snd
snd_page_alloc 16136 2 snd_hda_intel,snd_pcm
video 25104 0
output 11008 1 video
ac 12292 0
battery 18436 0
button 14224 0
intel_agp 33724 1
agpgart 42184 3 drm,intel_agp
iptable_nat 13448 0
nf_nat 25368 2 ipt_MASQUERADE,iptable_nat
nf_conntrack_ipv4 21900 9 iptable_nat,nf_nat
nf_conntrack 72032 7 ipt_MASQUERADE,nf_conntrack_irc,nf_conntrack_ftp,xt_state,iptable_nat,nf_nat,nf_conntrack_ipv4
iptable_mangle 10880 0
iptable_filter 10752 1
ip_tables 19600 3 iptable_nat,iptable_mangle,iptable_filter
x_tables 22916 9 xt_limit,xt_tcpudp,ipt_LOG,ipt_MASQUERADE,xt_DSCP,ipt_REJECT,xt_state,iptable_nat,ip_tables
ext3 133256 1
jbd 55444 1 ext3
mbcache 16004 1 ext3
sr_mod 22212 0
sd_mod 42264 3
crc_t10dif 9984 1 sd_mod
cdrom 43168 1 sr_mod
sg 39732 0
ahci 37132 2
libata 177312 1 ahci
scsi_mod 155212 4 sr_mod,sd_mod,sg,libata
dock 16656 1 libata
ehci_hcd 43276 0
uhci_hcd 30736 0
r8169 35972 0
usbcore 148848 6 rtl8187,cdc_ether,usbnet,ehci_hcd,uhci_hcd
thermal 23708 0
processor 42156 4 acpi_cpufreq,thermal
fan 12548 0
fbcon 47648 0
tileblit 10880 1 fbcon
font 16512 1 fbcon
bitblit 13824 1 fbcon
softcursor 9984 1 bitblit
fuse 60828 3
house@house-laptop:~$

So, it looks like it loaded? I'll check that link now, thanks!
 
Old 03-20-2010, 05:36 PM   #13
brucehinrichs
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The system may just need a restart. Sounds like a m$ solution, I know, but try
Code:
sudo /etc/init.d/gdm restart
PS: I would read the link smoker gave regardless
 
Old 03-20-2010, 05:47 PM   #14
seaofqi
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i added the wireless- tools and restarted but everything is still the same. i've got to step out for a bit but i'll work through that link when i get back. thanks very much to both of you for trying to help. i really love linux, i just have to get better at it. i'll keep you posted on my progress.
 
  


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