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Old 07-20-2008, 11:13 PM   #1
nir_hp
LQ Newbie
 
Registered: Oct 2004
Location: israel
Distribution: slackware
Posts: 19

Rep: Reputation: 0
wireless network disconnects randomly.


Dear forum,

I'm using slackware 12.1
kernel 6.24.5
wireless usb card: level1 WNC-0305USB.

My network (internet) works fine, but after random (or pseudo-random) time interval it disconnects.
I upgraded to kernel 2.6.26, but the problem stays.

The wireless network works fine under windows XP in the same computer.


any one can help me on this one?

************************************************************************
and some plots....
lsusb:

Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 001 Device 002: ID 0bda:8187 Realtek Semiconductor Corp. RTL8187 Wireless Adapter
Bus 001 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub


dmesg:

wlan0: Initial auth_alg=0
wlan0: authenticate with AP 00:0e:2e:5f:cd:ae
wlan0: RX authentication from 00:0e:2e:5f:cd:ae (alg=0 transaction=2 status=0)
wlan0: authenticated
wlan0: associate with AP 00:0e:2e:5f:cd:ae
wlan0: RX AssocResp from 00:0e:2e:5f:cd:ae (capab=0x1 status=0 aid=3)
wlan0: invalid aid value 3; bits 15:14 not set
wlan0: associated
wlan0: switched to short barker preamble (BSSID=00:0e:2e:5f:cd:ae)
wlan0: switched to long barker preamble (BSSID=00:0e:2e:5f:cd:ae)


ifconfig:

wlan0 Link encap:Ethernet HWaddr 00:11:6b:18:2e:0a
inet addr:192.168.2.113 Bcast:192.168.2.255 Mask:255.255.255.0
inet6 addr: fe80::211:6bff:fe18:2e0a/64 Scope:Link
UP BROADCAST NOTRAILERS RUNNING MULTICAST MTU:1500 Metric:1
RX packets:747 errors:0 dropped:0 overruns:0 frame:0
TX packets:753 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:586818 (573.0 KiB) TX bytes:129803 (126.7 KiB)


lsmod:

rtl8187 36608 0
mac80211 132620 1 rtl8187
cfg80211 19720 1 mac80211
eeprom_93cx6 5888 1 rtl8187
thermal 18844 0
button 9872 0
processor 34860 1 thermal
parport_pc 27556 1
shpchp 32788 0
parport 34668 2 lp,parport_pc
via_agp 11904 1
agpgart 30920 2 nvidia,via_agp
evdev 12672 3


lspci:

00:04.2 USB Controller: VIA Technologies, Inc. VT82xxxxx UHCI USB 1.1 Controller (rev 10) (prog-if 00 [UHCI])
Subsystem: First International Computer, Inc. VA-502 Mainboard
Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV+ VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
Latency: 32, Cache Line Size: 32 bytes
Interrupt: pin D routed to IRQ 5
Region 4: I/O ports at d400 [size=32]
Capabilities: [80] Power Management version 2
Flags: PMEClk- DSI- D1- D2- AuxCurrent=0mA PME(D0-,D1-,D2-,D3hot-,D3cold-)
Status: D0 PME-Enable- DSel=0 DScale=0 PME-
Kernel driver in use: uhci_hcd

00:04.3 USB Controller: VIA Technologies, Inc. VT82xxxxx UHCI USB 1.1 Controller (rev 10) (prog-if 00 [UHCI])
Subsystem: First International Computer, Inc. VA-502 Mainboard
Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV+ VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
Latency: 32, Cache Line Size: 32 bytes
Interrupt: pin D routed to IRQ 5
Region 4: I/O ports at d000 [size=32]
Capabilities: [80] Power Management version 2
Flags: PMEClk- DSI- D1- D2- AuxCurrent=0mA PME(D0-,D1-,D2-,D3hot-,D3cold-)
Status: D0 PME-Enable- DSel=0 DScale=0 PME-
Kernel driver in use: uhci_hcd

00:11.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL-8139/8139C/8139C+ (rev 10)
Subsystem: Realtek Semiconductor Co., Ltd. RT8139
Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
Latency: 32 (8000ns min, 16000ns max)
Interrupt: pin A routed to IRQ 11
Region 0: I/O ports at b000 [size=256]
Region 1: Memory at ed000000 (32-bit, non-prefetchable) [size=256]
[virtual] Expansion ROM at 20000000 [disabled] [size=64K]
Capabilities: [50] Power Management version 2
Flags: PMEClk- DSI- D1+ D2+ AuxCurrent=0mA PME(D0-,D1+,D2+,D3hot+,D3cold-)
Status: D0 PME-Enable- DSel=0 DScale=0 PME-
Kernel driver in use: 8139too
Kernel modules: 8139too, 8139cp

Last edited by nir_hp; 07-20-2008 at 11:15 PM.
 
Old 08-04-2008, 01:20 PM   #2
nir_hp
LQ Newbie
 
Registered: Oct 2004
Location: israel
Distribution: slackware
Posts: 19

Original Poster
Rep: Reputation: 0
Solution to the rtl8187 disconnecting problem.

Hello again dear forum members,

After some googeling I found that many people had the same problem and the solution is:
http://aircrack-ng.org/doku.php?id=r8187

Which is a module update or something like that...
 
  


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