my external wireless adapter disconnects randomly severeal times a day.only replugging of adapter or systemrestart can connect again.
*************** info trace ***************
***** uname -a *****
Linux b-Lenovo-IdeaPad-S10-2 3.8.0-37-generic #53~precise1-Ubuntu SMP Wed Feb 19 21:39:14 UTC 2014 i686 i686 i386 GNU/Linux
***** lsb_release *****
Distributor ID: Ubuntu
Description: Ubuntu 12.04.4 LTS
Release: 12.04
Codename: precise
***** lspci *****
03:00.0 Ethernet controller [0200]: Realtek Semiconductor Co., Ltd. RTL8101E/RTL8102E PCI Express Fast Ethernet controller [10ec:8136] (rev 02)
Subsystem: Lenovo Device [17aa:389e]
Kernel driver in use: r8169
***** lsusb *****
Bus 001 Device 002: ID 05e3:0608 Genesys Logic, Inc. USB-2.0 4-Port HUB
Bus 001 Device 004: ID 5986:0241 Acer, Inc BisonCam, NB Pro
Bus 001 Device 005: ID 0bda:8187 Realtek Semiconductor Corp. RTL8187 Wireless Adapter
Bus 002 Device 002: ID 8301:0089
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 002 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 004 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 001 Device 006: ID 04b3:3107 IBM Corp. ThinkPad 800dpi Optical Travel Mouse
***** PCMCIA Card Info *****
***** iwconfig *****
wlan0 IEEE 802.11bg ESSID:"PLDTMyDSL"
Mode:Managed Frequency:2.462 GHz Access Point: <MAC address removed>
Bit Rate=54 Mb/s Tx-Power=20 dBm
Retry long limit:7 RTS thr
ff Fragment thr
ff
Power Management
ff
Link Quality=50/70 Signal level=-60 dBm
Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0
Tx excessive retries:40 Invalid misc:2 Missed beacon:0
***** rfkill *****
0: ideapad_bluetooth: Bluetooth
Soft blocked: yes
Hard blocked: no
1: phy0: Wireless LAN
Soft blocked: no
Hard blocked: no
***** iw reg get *****
***** route -n *****
Kernel IP routing table
Destination Gateway Genmask Flags Metric Ref Use Iface
0.0.0.0 192.168.1.1 0.0.0.0 UG 0 0 0 wlan0
169.254.0.0 0.0.0.0 255.255.0.0 U 1000 0 0 wlan0
192.168.1.0 0.0.0.0 255.255.255.0 U 2 0 0 wlan0
***** lsmod *****
rtl8187 56295 0
mac80211 546103 1 rtl8187
cfg80211 454468 2 rtl8187,mac80211
eeprom_93cx6 13168 1 rtl8187
***** nm-tool *****
NetworkManager Tool
State: connected (global)
- Device: wlan0 [PLDTMyDSL] ---------------------------------------------------
Type: 802.11 WiFi
Driver: rtl8187
State: connected
Default: yes
HW Address: <MAC address removed>
Capabilities:
Speed: 54 Mb/s
Wireless Properties
WEP Encryption: yes
WPA Encryption: yes
WPA2 Encryption: yes
Wireless Access Points (* = current AP)
*PLDTMyDSL: Infra, <MAC address removed>, Freq 2462 MHz, Rate 54 Mb/s, Strength 61
IPv4 Settings:
Address: 192.168.1.5
Prefix: 24 (255.255.255.0)
Gateway: 192.168.1.1
DNS: 192.168.1.1
- Device: eth0 -----------------------------------------------------------------
Type: Wired
Driver: r8169
State: unavailable
Default: no
HW Address: <MAC address removed>
Capabilities:
Carrier Detect: yes
Wired Properties
Carrier: off
***** NetworkManager.state *****
[main]
NetworkingEnabled=true
WirelessEnabled=true
WWANEnabled=true
WimaxEnabled=true
***** NetworkManager.conf *****
[main]
plugins=ifupdown,keyfile
dns=dnsmasq
no-auto-default=<MAC address removed>,
[ifupdown]
managed=false
***** interfaces *****
auto lo
iface lo inet loopback
***** iwlist *****
wlan0 Scan completed :
Cell 01 - Address: <MAC address removed>
Channel:11
Frequency:2.462 GHz (Channel 11)
Quality=51/70 Signal level=-59 dBm
Encryption key
ff
ESSID:"PLDTMyDSL"
Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 11 Mb/s; 6 Mb/s
9 Mb/s; 12 Mb/s; 18 Mb/s
Bit Rates:24 Mb/s; 36 Mb/s; 48 Mb/s; 54 Mb/s
Mode:Master
Extra:tsf=000000201902bedb
Extra: Last beacon: 12ms ago
IE: Unknown: 0009504C44544D7944534C
IE: Unknown: 010882848B960C121824
IE: Unknown: 03010B
IE: Unknown: 2A0100
IE: Unknown: 32043048606C
IE: Unknown: 2D1A6E181AFF00000000000000000000000000000000000000000000
IE: Unknown: 3D160B071300000000000000000000000000000000000000
IE: Unknown: DD180050F2020101000003A4000027A4000042435E0062322F00
IE: Unknown: DD1E00904C336E181AFF00000000000000000000000000000000000000000000
IE: Unknown: DD1A00904C340B071300000000000000000000000000000000000000
IE: Unknown: DD0600E04C020160
***** resolv.conf *****
nameserver 127.0.0.1
search domain.name
***** blacklist *****
[/etc/modprobe.d/blacklist-ath_pci.conf]
blacklist ath_pci
[/etc/modprobe.d/blacklist.conf]
blacklist evbug
blacklist usbmouse
blacklist usbkbd
blacklist eepro100
blacklist de4x5
blacklist eth1394
blacklist snd_intel8x0m
blacklist snd_aw2
blacklist i2c_i801
blacklist prism54
blacklist bcm43xx
blacklist garmin_gps
blacklist asus_acpi
blacklist snd_pcsp
blacklist pcspkr
blacklist amd76x_edac
***** modinfo *****
filename: /lib/modules/3.8.0-37-generic/kernel/drivers/net/wireless/rtl818x/rtl8187/rtl8187.ko
license: GPL
description: RTL8187/RTL8187B USB wireless driver
author: Larry Finger <Larry.Finger@lwfinger.net>
author: Hin-Tak Leung <htl10@users.sourceforge.net>
author: Herton Ronaldo Krzesinski <herton@mandriva.com.br>
author: Andrea Merello <andreamrl@tiscali.it>
author: Michael Wu <flamingice@sourmilk.net>
srcversion: 4EC70451284400E93948C00
alias: usb:v1737p0073d*dc*dsc*dp*ic*isc*ip*in*
alias: usb:v1B75p8187d*dc*dsc*dp*ic*isc*ip*in*
alias: usb:v18E8p6232d*dc*dsc*dp*ic*isc*ip*in*
alias: usb:v13D1pABE6d*dc*dsc*dp*ic*isc*ip*in*
alias: usb:v1371p9401d*dc*dsc*dp*ic*isc*ip*in*
alias: usb:v114Bp0150d*dc*dsc*dp*ic*isc*ip*in*
alias: usb:v0DF6p0029d*dc*dsc*dp*ic*isc*ip*in*
alias: usb:v0DF6p0028d*dc*dsc*dp*ic*isc*ip*in*
alias: usb:v0DF6p000Dd*dc*dsc*dp*ic*isc*ip*in*
alias: usb:v03F0pCA02d*dc*dsc*dp*ic*isc*ip*in*
alias: usb:v0846p4260d*dc*dsc*dp*ic*isc*ip*in*
alias: usb:v0846p6A00d*dc*dsc*dp*ic*isc*ip*in*
alias: usb:v0846p6100d*dc*dsc*dp*ic*isc*ip*in*
alias: usb:v0789p010Cd*dc*dsc*dp*ic*isc*ip*in*
alias: usb:v0769p11F2d*dc*dsc*dp*ic*isc*ip*in*
alias: usb:v0BDAp8198d*dc*dsc*dp*ic*isc*ip*in*
alias: usb:v0BDAp8197d*dc*dsc*dp*ic*isc*ip*in*
alias: usb:v0BDAp8189d*dc*dsc*dp*ic*isc*ip*in*
alias: usb:v0BDAp8187d*dc*dsc*dp*ic*isc*ip*in*
alias: usb:v050Dp705Ed*dc*dsc*dp*ic*isc*ip*in*
alias: usb:v0B05p171Dd*dc*dsc*dp*ic*isc*ip*in*
depends: mac80211,eeprom_93cx6,cfg80211
intree: Y
vermagic: 3.8.0-37-generic SMP mod_unload modversions 686
***** udev rules *****
# PCI device 0x10ec:/sys/devices/pci0000:00/0000:00:1c.2/0000:03:00.0 (r8169)
SUBSYSTEM=="net", ACTION=="add", DRIVERS=="?*", ATTR{address}=="<MAC address removed>", ATTR{dev_id}=="0x0", ATTR{type}=="1", KERNEL=="eth*", NAME="eth0"
# USB device 0x0bda:0x8187 (usb)
SUBSYSTEM=="net", ACTION=="add", DRIVERS=="?*", ATTR{address}=="<MAC address removed>", ATTR{dev_id}=="0x0", ATTR{type}=="1", KERNEL=="wlan*", NAME="wlan0"
***** dmesg *****
[ 12.211835] ieee80211 phy0: hwaddr <MAC address removed>, RTL8187vB (default) V1 + rtl8225z2, rfkill mask 2
[ 12.244121] rtl8187: Customer ID is 0x00
[ 12.249029] rtl8187: wireless switch is on
[ 21.785371] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready
[ 21.786342] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready
[ 26.761597] wlan0: authenticate with <MAC address removed>
[ 26.879229] wlan0: send auth to <MAC address removed> (try 1/3)
[ 26.881967] wlan0: authenticated
[ 26.884097] wlan0: associate with <MAC address removed> (try 1/3)
[ 26.886603] wlan0: RX AssocResp from <MAC address removed> (capab=0x401 status=0 aid=1)
[ 26.887974] wlan0: associated
[ 26.888091] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
****************** done ******************
