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  #1  
Old 10th January 2011, 06:39 PM
BrightWarrior Offline
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Join Date: Jan 2011
Posts: 2
windows_7firefox
Fedora 14 - Connection to wlan is cut after about 5 minutes.

Hey there guys,

I'm new to this forum and Fedora in general, so I hope that you can help me out of my annoying misery.

I installed Fedora 14 yesterday via the installation DVD with 3,3 GB. Everything worked fine and when I connected to my wlan and entered the WEP key I got access to the internet. But after about 5 minutes, to connection just got cut and I was again asked for the WEP passkey. But when I entered it this time, the connection failed and I was just asked again (with the same key entered, it even got it saved from last time). As you can think, this is quite annoying, since the time I have internet is not even enough to get some updates done.

Ah, and by the way: The time I have internet it just is unbelievably slow. On my Windows partation, I don't have this problem.

I do have a small hint what might be the problem: When I was using Ubuntu, I always had a similar problem, but it did not even connect to my wlan once. The solution was to blacklist some driver, but since I don't know if this might be the problem on Fedora too and if the drivers are the same as on Ubuntu and since I really have no idea about the syntax of the terminal here, I was not daring to try this out.

Can you please help me?

Greeting

Bright-Warrior
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  #2  
Old 10th January 2011, 10:07 PM
stoat Offline
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Join Date: Jun 2006
Posts: 7,550
linuxfedorafirefox
Re: Fedora 14 - Connection to wlan is cut after about 5 minutes.

Quote:
Originally Posted by BrightWarrior

Everything worked fine and when I connected to my wlan and entered the WEP key I got access to the internet. But after about 5 minutes, to connection just got cut and I was again asked for the WEP passkey.
If it's your wireless router, try changing the channel. No promises, but it's an easy and harmless thing to try.

Quote:
Originally Posted by BrightWarrior

But when I entered it this time, the connection failed and I was just asked again (with the same key entered, it even got it saved from last time).
When that happens, try deleting all existing connections in NetworkManager (right-click the panel icon, Edit Connections, Wireless, Delete), and try connecting again. Try WPA encryption. It's stronger anyway.

Quote:
Originally Posted by BrightWarrior

When I was using Ubuntu, I always had a similar problem, but it did not even connect to my wlan once. The solution was to blacklist some driver...
Sometimes, there are alternative drivers and methods for a particular wireless chipset. You should take a moment to identify the chipset and the driver its now using. Maybe someone will recognize it and know something to try. If it's using the PCI bus, then the following may identify the chipset. Open a terminal, run the following command, and paste the lines related to the Network Controller or Wireless LAN Controller in your next post...
Code:
lspci -k
If it's using the Universal Serial Bus, then this might provide some useful information...
Code:
lsusb
This, too, for other modules that may be relevant...
Code:
lsmod | sort
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  #3  
Old 22nd January 2011, 10:02 AM
BrightWarrior Offline
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Join Date: Jan 2011
Posts: 2
linuxfedorafirefox
Re: Fedora 14 - Connection to wlan is cut after about 5 minutes.

Sorry for the long wait, I have been quite busy because of my studies and did not really get the chance to look this up. But now I finally got some time. Sorry .

The problem also has solved itself in a way. Fedora is running for about 30 min. now and the connection is not cut yet. Though it can not really be working right, because my internet is way slower than on Windows and also the software update function is not working right. It is hanging at "checking for currently used applications" (translated by me, my Fedora is German) and does not go further. Does anyone now advice?

Quote:
Originally Posted by stoat View Post
If it's your wireless router, try changing the channel. No promises, but it's an easy and harmless thing to try.
My parents would kill me if I'd try something like this^^. And since I'm not really an expert about networks and stuff, I really better do not try this^^.

When that happens, try deleting all existing connections in NetworkManager (right-click the panel icon, Edit Connections, Wireless, Delete), and try connecting again. Try WPA encryption. It's stronger anyway.

Quote:
Originally Posted by stoat View Post
Sometimes, there are alternative drivers and methods for a particular wireless chipset. You should take a moment to identify the chipset and the driver its now using. Maybe someone will recognize it and know something to try. If it's using the PCI bus, then the following may identify the chipset. Open a terminal, run the following command, and paste the lines related to the Network Controller or Wireless LAN Controller in your next post...
Code:
lspci -k
If it's using the Universal Serial Bus, then this might provide some useful information...
Code:
lsusb
This, too, for other modules that may be relevant...
Code:
lsmod | sort
Here are the outputs:

lspci -k:


Code:
00:00.0 Host bridge: nVidia Corporation Device 07c7 (rev a2)
	Subsystem: Micro-Star International Co., Ltd. Device 736b
00:00.1 RAM memory: nVidia Corporation nForce 630i memory controller (rev a2)
	Subsystem: Micro-Star International Co., Ltd. Device 736b
00:01.0 RAM memory: nVidia Corporation nForce 630i memory controller (rev a1)
	Subsystem: Micro-Star International Co., Ltd. Device 736b
00:01.1 RAM memory: nVidia Corporation nForce 630i memory controller (rev a1)
	Subsystem: Micro-Star International Co., Ltd. Device 736b
00:01.2 RAM memory: nVidia Corporation nForce 630i memory controller (rev a1)
	Subsystem: Micro-Star International Co., Ltd. Device 736b
00:01.3 RAM memory: nVidia Corporation nForce 630i memory controller (rev a1)
	Subsystem: Micro-Star International Co., Ltd. Device 736b
00:01.4 RAM memory: nVidia Corporation nForce 630i memory controller (rev a1)
	Subsystem: Micro-Star International Co., Ltd. Device 736b
00:01.5 RAM memory: nVidia Corporation nForce 630i memory controller (rev a1)
	Subsystem: Micro-Star International Co., Ltd. Device 736b
00:01.6 RAM memory: nVidia Corporation nForce 630i memory controller (rev a1)
	Subsystem: Micro-Star International Co., Ltd. Device 736b
00:02.0 RAM memory: nVidia Corporation nForce 630i memory controller (rev a1)
	Subsystem: Micro-Star International Co., Ltd. Device 736b
00:03.0 ISA bridge: nVidia Corporation MCP73 LPC Bridge (rev a2)
	Subsystem: Micro-Star International Co., Ltd. Device 736b
00:03.1 SMBus: nVidia Corporation MCP73 SMBus (rev a1)
	Subsystem: Micro-Star International Co., Ltd. Device 736b
	Kernel driver in use: nForce2_smbus
	Kernel modules: i2c-nforce2
00:03.2 RAM memory: nVidia Corporation MCP73 Memory Controller (rev a1)
	Subsystem: Micro-Star International Co., Ltd. Device 736b
00:03.3 Co-processor: nVidia Corporation MCP73 Co-processor (rev a2)
	Subsystem: Micro-Star International Co., Ltd. Device 736b
00:03.4 RAM memory: nVidia Corporation MCP73 Memory Controller (rev a1)
	Subsystem: Micro-Star International Co., Ltd. Device 736b
00:04.0 USB Controller: nVidia Corporation GeForce 7100/nForce 630i USB (rev a1)
	Subsystem: Micro-Star International Co., Ltd. Device 736b
	Kernel driver in use: ohci_hcd
00:04.1 USB Controller: nVidia Corporation MCP73 [nForce 630i] USB 2.0 Controller (EHCI) (rev a1)
	Subsystem: Micro-Star International Co., Ltd. Device 736b
	Kernel driver in use: ehci_hcd
00:08.0 IDE interface: nVidia Corporation MCP73 IDE (rev a1)
	Subsystem: Micro-Star International Co., Ltd. Device 736b
	Kernel driver in use: pata_amd
	Kernel modules: pata_amd
00:09.0 Audio device: nVidia Corporation MCP73 High Definition Audio (rev a1)
	Subsystem: Micro-Star International Co., Ltd. Device 736a
	Kernel driver in use: HDA Intel
	Kernel modules: snd-hda-intel
00:0a.0 PCI bridge: nVidia Corporation MCP73 PCI Express bridge (rev a1)
00:0b.0 PCI bridge: nVidia Corporation MCP73 PCI Express bridge (rev a1)
	Kernel driver in use: pcieport
00:0c.0 PCI bridge: nVidia Corporation MCP73 PCI Express bridge (rev a1)
	Kernel driver in use: pcieport
00:0d.0 PCI bridge: nVidia Corporation MCP73 PCI Express bridge (rev a1)
	Kernel driver in use: pcieport
00:0e.0 SATA controller: nVidia Corporation GeForce 7100/nForce 630i SATA (rev a2)
	Subsystem: Micro-Star International Co., Ltd. Device 736b
	Kernel driver in use: ahci
00:0f.0 Ethernet controller: nVidia Corporation MCP73 Ethernet (rev a2)
	Subsystem: Micro-Star International Co., Ltd. Device 366c
	Kernel driver in use: forcedeth
	Kernel modules: forcedeth
02:00.0 VGA compatible controller: ATI Technologies Inc RV770 [Radeon HD 4870]
	Subsystem: PC Partner Limited Device 0502
	Kernel driver in use: radeon
	Kernel modules: radeon
02:00.1 Audio device: ATI Technologies Inc HD48x0 audio
	Subsystem: PC Partner Limited Sapphire HD 4850 512MB GDDR3 PCI-E Dual Slot Fansink
	Kernel driver in use: HDA Intel
	Kernel modules: snd-hda-intel
04:00.0 FireWire (IEEE 1394): JMicron Technology Corp. IEEE 1394 Host Controller
	Subsystem: Micro-Star International Co., Ltd. Device 366d
	Kernel driver in use: firewire_ohci
	Kernel modules: firewire-ohci
lsusb:
Code:
Bus 002 Device 003: ID 046d:c043 Logitech, Inc. MX320/MX400 Laser Mouse
Bus 002 Device 002: ID 045e:0719 Microsoft Corp. Xbox 360 Wireless Adapter
Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 001 Device 007: ID 0bc7:0006 X10 Wireless Technology, Inc. Wireless Transceiver (ACPI-compliant)
Bus 001 Device 006: ID 13d3:3247 IMC Networks 802.11 n/g/b Wireless LAN Adapter
Bus 001 Device 005: ID 0424:2228 Standard Microsystems Corp. 9-in-2 Card Reader
Bus 001 Device 004: ID 0424:2602 Standard Microsystems Corp. USB 2.0 Hub
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
lsmod | sort:

Code:
acpi_cpufreq            6277  0 
arc4                    1085  2 
ata_generic             2399  0 
ati_remote              8536  0 
cfg80211              110779  2 rt2x00lib,mac80211
cpufreq_ondemand        7262  2 
crc_ccitt               1237  1 rt2800usb
crc_itu_t               1235  1 firewire_core
drm                   139250  4 radeon,ttm,drm_kms_helper
drm_kms_helper         22088  1 radeon
ecb                     1595  2 
firewire_core          37873  1 firewire_ohci
firewire_ohci          17585  0 
forcedeth              42742  0 
fuse                   51432  3 
i2c_algo_bit            4197  1 radeon
i2c_core               21328  5 i2c_nforce2,radeon,drm_kms_helper,drm,i2c_algo_bit
i2c_nforce2             5526  0 
ip6table_filter         1207  1 
ip6_tables              9929  1 ip6table_filter
ip6t_REJECT             3470  2 
ipv6                  229420  40 ip6t_REJECT,nf_conntrack_ipv6
joydev                  7270  0 
mac80211              188441  2 rt2x00usb,rt2x00lib
microcode              11139  0 
Module                  Size  Used by
mperf                   1141  1 acpi_cpufreq
nf_conntrack_ipv6      14441  2 
pata_acpi               2331  0 
pata_amd                7682  0 
radeon                554188  2 
rfkill                 13652  2 cfg80211
rt2800lib              24336  1 rt2800usb
rt2800usb               6611  0 
rt2x00lib              30200  2 rt2800lib,rt2x00usb
rt2x00usb               7729  2 rt2800usb,rt2800lib
snd                    47357  12 snd_hda_codec_realtek,snd_hda_intel,snd_hda_codec,snd_hwdep,snd_seq,snd_seq_device,snd_pcm,snd_timer
snd_hda_codec          71701  3 snd_hda_codec_atihdmi,snd_hda_codec_realtek,snd_hda_intel
snd_hda_codec_atihdmi     2043  1 
snd_hda_codec_realtek   210495  1 
snd_hda_intel          20083  2 
snd_hwdep               4795  1 snd_hda_codec
snd_page_alloc          6180  2 snd_hda_intel,snd_pcm
snd_pcm                61769  2 snd_hda_intel,snd_hda_codec
snd_seq                43447  0 
snd_seq_device          5056  1 snd_seq
snd_timer              15435  2 snd_seq,snd_pcm
soundcore               5088  1 snd
sunrpc                165482  1 
tcp_lp                  1779  0 
ttm                    44894  1 radeon
uinput                  5228  0 
usb_storage            35519  0 
xpad                    8399  0

Can anyone read something out of this that might help me? Please, I really want to have a proper running Fedora. If you need any further information, please ask.
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  #4  
Old 22nd January 2011, 08:49 PM
Vespa Offline
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Join Date: Sep 2009
Location: Just outside Philadelphia, USA
Posts: 82
linuxfedorafirefox
Re: Fedora 14 - Connection to wlan is cut after about 5 minutes.

I had this happen (or at least something similar) on 2 of my Fedora 14 laptops, but it wasn't happening in Windows. Ultimately the solution for me was to change the channel width on my wireless router. It was set to Auto (20MHz or 40MHz). I set it to 20MHz only and it seemed to fix both the speed and disconnect issues.
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