Red Hat Bugzilla – Bug 285771
Cannot manually add Ralink rt2500 based cards
Last modified: 2008-06-16 22:22:53 EDT
Description of problem:
No entry for Ralink based PCMCIA cards in system-config-networdk
Version-Release number of selected component (if applicable):
rpm -qi system-config-network
Name : system-config-network Relocations: (not relocatable)
Version : 184.108.40.206 Vendor: Fedora Project
Release : 1.fc7 Build Date: 6.09.2007 (Ñ‡Ñ‚) 11,05,28
Always, on several machines
Steps to Reproduce:
1. Open system-config-network
2. Go to "Hardware" tab
3. Click on "New" button
4. In the "Choose Hardware Type" dialog select "Wireless" and click the "OK" button
5. In the "Network Adapters Configuration" - the "Adapter" drop down does not
contain entry for Ralink devices which are included as modules in current
kernels. The "Device" drop down contains only "ethX" entries - no "wlan0" ones.
No Wlan cards
Entry for Ralink so that I could manually add such a pcmcia card.
It seems to me that the entries for wlan and normal cable NICs are the same.
The card is a PCMCIA one.
Info on the card here:
Created attachment 192411 [details]
Screeen capture showing the unsuccessful process of adding the card
This is a screen capture made with byzanz. It is an animated gif.
well, it seems, there is no kernel module (driver) present for your card. so
s-c-network does not display it.
I respectfully disagree - there is a driver for the card in the standard Fedora
rpm -qil kernel | grep wireless | grep rt
The rt files are exactly the Ralink modules.
If you check the kernel source rpm - there is a patch that is appplied and it
brings support for Ralink. The patch is called git-wireless-dev.patch
output? Maybe you have to place a firmware in /lib/firmware?
lo no wireless extensions.
eth0 no wireless extensions.
wmaster0 no wireless extensions.
wlan0 IEEE 802.11g ESSID:""
Mode:Managed Channel:0 Access Point: Not-Associated
Retry min limit:7 RTS thr:off Fragment thr=2346 B
Link Quality:0 Signal level:0 Noise level:0
Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0
Tx excessive retries:0 Invalid misc:0 Missed beacon:0
2. /sbin/ifconfig wlan0
wlan0 Link encap:Ethernet HWaddr 00:1B:FC:26:BE:5D
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
RX bytes:0 (0.0 b) TX bytes:0 (0.0 b)
3. /sbin/lsmod |grep rt
rt2500pci 20801 0
rt2x00pci 13761 1 rt2500pci
rt2x00lib 22593 2 rt2500pci,rt2x00pci
rfkill 11089 1 rt2x00lib
input_polldev 8905 1 rt2x00lib
crc_itu_t 6337 1 rt2x00lib
mac80211 147657 4 rc80211_simple,rt2500pci,rt2x00pci,rt2x00lib
eeprom_93cx6 6337 1 rt2500pci
rtc_cmos 12001 0
4. /sbin/lspci | grep -i rt
02:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd.
RTL-8139/8139C/8139C+ (rev 10)
03:00.0 Network controller: RaLink RT2500 802.11g Cardbus/mini-PCI (rev 01)
5. kudzu -p contains:
desc: "RaLink RT2500 802.11g Cardbus/mini-PCI"
6. After that I start system-config-network - but there is still no mention of
the card in system-config-network.
7. No firmware needed for this card (I found that out after I purchased the card).
Use the first screen, "add device" -> "wireless" .. specify wlan0 ...
Or use NetworkManager, which is better suited for wireless cards.
first screen == first tab (Devices)
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