Olá hickot ...Não funcionou esse mudança que você sugeriu....a net aqui hoje está péssima e hoje o problema ocorreu por algumas vezes com um site que até entao não havia tido problema. ...Depois voltou ao normal esse site (
www.Gmail.com )
Peguei um script para diagnóstico da rede no fórum se ajudar a resolver
########## wireless info START ##########
Report from: 10 Feb 2015 22:13 BRST -0200
Booted last: 10 Feb 2015 21:54 BRST -0200
Script from: 20 Sep 2014 23:04 UTC +0000
##### release ###########################
Distributor ID: Ubuntu
Description: Ubuntu 14.04.1 LTS
Release: 14.04
Codename: trusty
##### kernel ############################
Linux 3.13.0-45-generic #74-Ubuntu SMP Tue Jan 13 19:36:28 UTC 2015 x86_64 x86_64 x86_64 GNU/Linux
Parameters: ro, quiet, splash, vt.handoff=7
##### desktop ###########################
Ubuntu
##### lspci #############################
03:00.0 Network controller [0280]: Qualcomm Atheros AR9485 Wireless Network Adapter [168c:0032] (rev 01)
Subsystem: Lite-On Communications Inc Device [11ad:6617]
Kernel driver in use: ath9k
06:00.0 Ethernet controller [0200]: Realtek Semiconductor Co., Ltd. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller [10ec:8168] (rev 06)
Subsystem: Acer Incorporated [ALI] Device [1025:8000]
Kernel driver in use: r8169
##### lsusb #############################
Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 007 Device 003: ID 093a:2510 Pixart Imaging, Inc. Optical Mouse
Bus 007 Device 002: ID 04ca:0050 Lite-On Technology Corp.
Bus 007 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 006 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 005 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 001 Device 002: ID 04f2:b23f Chicony Electronics Co., Ltd
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
##### PCMCIA card info ##################
##### rfkill ############################
0: phy0: Wireless LAN
Soft blocked: no
Hard blocked: no
##### lsmod #############################
ath9k 164164 0
ath9k_common 13551 1 ath9k
ath9k_hw 453856 2 ath9k_common,ath9k
ath 28698 3 ath9k_common,ath9k,ath9k_hw
mac80211 630669 1 ath9k
cfg80211 484040 3 ath,ath9k,mac80211
wmi 19177 0
##### interfaces ########################
auto lo
iface lo inet loopback
##### ifconfig
#########################
eth0 Link encap:Ethernet HWaddr <MAC 'eth0' [IF]>
inet6 addr: fe80::a9e:1ff:fe61:7c2/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:4278 errors:0 dropped:1 overruns:0 frame:0
TX packets:3485 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:3742790 (3.7 MB) TX bytes:472792 (472.7 K)
wlan0 Link encap:Ethernet HWaddr <MAC 'wlan0' [IF]>
inet addr:10.0.0.105 Bcast:10.0.0.255 Mask:255.255.255.0
inet6 addr: fe80::5ec9:d3ff:fe1b:bbf9/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:1312 errors:0 dropped:0 overruns:0 frame:0
TX packets:825 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:601298 (601.2 KB) TX bytes:113284 (113.2 KB)
##### iwconfig##########################
eth0 no wireless extensions.
lo no wireless extensions.
wlan0 IEEE 802.11bgn ESSID:"Paschoalini"
Mode:Managed Frequency:2.462 GHz Access Point: <MAC 'Paschoalini' [AC1]>
Bit Rate=54 Mb/s Tx-Power=16 dBm
Retry long limit:7 RTS thr:off Fragment thr:off
Power Management:off
Link Quality=37/70 Signal level=-73 dBm
Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0
Tx excessive retries:5 Invalid misc:52 Missed beacon:0
##### route #############################
Kernel IP routing table
Destination Gateway Genmask Flags Metric Ref Use Iface
0.0.0.0 10.0.0.1 0.0.0.0 UG 0 0 0 wlan0
10.0.0.0 0.0.0.0 255.255.255.0 U 9 0 0 wlan0
##### resolv.conf #######################
nameserver 127.0.1.1
##### nm-tool ###########################
NetworkManager Tool
State: connected (global)
- Device: eth0 -----------------------------------------------------------------
Type: Wired
Driver: r8169
State: disconnected
Default: no
HW Address: <MAC 'eth0' [IF]>
Capabilities:
Carrier Detect: yes
Speed: 100 Mb/s
Wired Properties
Carrier: on
- Device: wlan0 [Paschoalini] -------------------------------------------------
Type: 802.11 WiFi
Driver: ath9k
State: connected
Default: yes
HW Address: <MAC 'wlan0' [IF]>
Capabilities:
Speed: 54 Mb/s
Wireless Properties
WEP Encryption: yes
WPA Encryption: yes
WPA2 Encryption: yes
Wireless Access Points (* = current AP)
*Paschoalini: Infra, <MAC 'Paschoalini' [AC1]>, Freq 2462 MHz, Rate 54 Mb/s, Strength 50 WEP
IPv4 Settings:
Address: 10.0.0.105
Prefix: 24 (255.255.255.0)
Gateway: 10.0.0.1
DNS: 192.168.0.1
DNS: 10.0.0.1
##### NetworkManager.state ##############
[main]
NetworkingEnabled=true
WirelessEnabled=true
WWANEnabled=true
WimaxEnabled=true
##### NetworkManager.conf
###############
[main]
plugins=ifupdown,keyfile,ofono
dns=dnsmasq
no-auto-default=<MAC 'eth0' [IF]>,
[ifupdown]
managed=false
##### NetworkManager profiles ###########
[[/etc/NetworkManager/system-connections/Paschoalini]] (600 root)
[connection] id=Paschoalini | type=802-11-wireless
[802-11-wireless] ssid=Paschoalini | mac-address=<MAC 'wlan0' [IF]>
[ipv4] method=auto
[ipv6] method=auto
##### iw reg get ########################
Region: America/Sao_Paulo (based on set time zone)
country 00:
(2402 - 2472 @ 40), (3, 20)
(2457 - 2482 @ 40), (3, 20), PASSIVE-SCAN, NO-IBSS
(2474 - 2494 @ 20), (3, 20), NO-OFDM, PASSIVE-SCAN, NO-IBSS
(5170 - 5250 @ 40), (3, 20), PASSIVE-SCAN, NO-IBSS
(5735 - 5835 @ 40), (3, 20), PASSIVE-SCAN, NO-IBSS
##### iwlist channels ###################
wlan0 13 channels in total; available frequencies :
Channel 01 : 2.412 GHz
Channel 02 : 2.417 GHz
Channel 03 : 2.422 GHz
Channel 04 : 2.427 GHz
Channel 05 : 2.432 GHz
Channel 06 : 2.437 GHz
Channel 07 : 2.442 GHz
Channel 08 : 2.447 GHz
Channel 09 : 2.452 GHz
Channel 10 : 2.457 GHz
Channel 11 : 2.462 GHz
Channel 12 : 2.467 GHz
Channel 13 : 2.472 GHz
Current Frequency:2.462 GHz (Channel 11)
##### iwlist scan #######################
Channel occupancy:
1 APs on Frequency:2.462 GHz (Channel 11)
eth0 Interface doesn't support scanning.
lo Interface doesn't support scanning.
wlan0 Scan completed :
Cell 01 - Address: <MAC 'Paschoalini' [AC1]>
Channel:11
Frequency:2.462 GHz (Channel 11)
Quality=39/70 Signal level=-71 dBm
Encryption key:on
ESSID:"Paschoalini"
Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 11 Mb/s; 6 Mb/s
12 Mb/s; 24 Mb/s; 36 Mb/s
Bit Rates:9 Mb/s; 18 Mb/s; 48 Mb/s; 54 Mb/s
Mode:Master
Extra:tsf=0000000045f0333b
Extra: Last beacon: 56ms ago
#### module infos ######################
[ath9k]
filename: /lib/modules/3.13.0-45-generic/kernel/drivers/net/wireless/ath/ath9k/ath9k.ko
license: Dual BSD/GPL
description: Support for Atheros 802.11n wireless LAN cards.
author: Atheros Communications
srcversion: EABAC052C3DF339FA6E716C
depends: ath9k_hw,mac80211,ath9k_common,cfg80211,ath
intree: Y
vermagic: 3.13.0-45-generic SMP mod_unload modversions
signer: Magrathea: Glacier signing key
sig_key: 34:99:21:39:F3:DA:40:B6:20:BD:55:17:59:7B:A8:5A:F5:79:7C:9A
sig_hashalgo: sha512
parm: debug:Debugging mask (uint)
parm: nohwcrypt:Disable hardware encryption (int)
parm: blink:Enable LED blink on activity (int)
parm: btcoex_enable:Enable wifi-BT coexistence (int)
parm: bt_ant_diversity:Enable WLAN/BT RX antenna diversity (int)
parm: ps_enable:Enable WLAN PowerSave (int)
[ath9k_common]
filename: /lib/modules/3.13.0-45-generic/kernel/drivers/net/wireless/ath/ath9k/ath9k_common.ko
license: Dual BSD/GPL
description: Shared library for Atheros wireless 802.11n LAN cards.
author: Atheros Communications
srcversion: 5ED2DF2BD124A3813829DA8
depends: ath,ath9k_hw
intree: Y
vermagic: 3.13.0-45-generic SMP mod_unload modversions
signer: Magrathea: Glacier signing key
sig_key: 34:99:21:39:F3:DA:40:B6:20:BD:55:17:59:7B:A8:5A:F5:79:7C:9A
sig_hashalgo: sha512
[ath9k_hw]
filename: /lib/modules/3.13.0-45-generic/kernel/drivers/net/wireless/ath/ath9k/ath9k_hw.ko
license: Dual BSD/GPL
description: Support for Atheros 802.11n wireless LAN cards.
author: Atheros Communications
srcversion: 94B3813AF84C49B115229AD
depends: ath
intree: Y
vermagic: 3.13.0-45-generic SMP mod_unload modversions
signer: Magrathea: Glacier signing key
sig_key: 34:99:21:39:F3:DA:40:B6:20:BD:55:17:59:7B:A8:5A:F5:79:7C:9A
sig_hashalgo: sha512
[ath]
filename: /lib/modules/3.13.0-45-generic/kernel/drivers/net/wireless/ath/ath.ko
license: Dual BSD/GPL
description: Shared library for Atheros wireless LAN cards.
author: Atheros Communications
srcversion: 88A67C5359B02C5A710AFCF
depends: cfg80211
intree: Y
vermagic: 3.13.0-45-generic SMP mod_unload modversions
signer: Magrathea: Glacier signing key
sig_key: 34:99:21:39:F3:DA:40:B6:20:BD:55:17:59:7B:A8:5A:F5:79:7C:9A
sig_hashalgo: sha512
[mac80211]
filename: /lib/modules/3.13.0-45-generic/kernel/net/mac80211/mac80211.ko
license: GPL
description: IEEE 802.11 subsystem
srcversion: 385697223F8285F67C93A06
depends: cfg80211
intree: Y
vermagic: 3.13.0-45-generic SMP mod_unload modversions
signer: Magrathea: Glacier signing key
sig_key: 34:99:21:39:F3:DA:40:B6:20:BD:55:17:59:7B:A8:5A:F5:79:7C:9A
sig_hashalgo: sha512
parm: max_nullfunc_tries:Maximum nullfunc tx tries before disconnecting (reason 4). (int)
parm: max_probe_tries:Maximum probe tries before disconnecting (reason 4). (int)
parm: beacon_loss_count:Number of beacon intervals before we decide beacon was lost. (int)
parm: probe_wait_ms:Maximum time(ms) to wait for probe response before disconnecting (reason 4). (int)
parm: ieee80211_default_rc_algo:Default rate control algorithm for mac80211 to use (charp)
[cfg80211]
filename: /lib/modules/3.13.0-45-generic/kernel/net/wireless/cfg80211.ko
description: wireless configuration support
license: GPL
author: Johannes Berg
srcversion: C2478077E22138832B71659
depends:
intree: Y
vermagic: 3.13.0-45-generic SMP mod_unload modversions
signer: Magrathea: Glacier signing key
sig_key: 34:99:21:39:F3:DA:40:B6:20:BD:55:17:59:7B:A8:5A:F5:79:7C:9A
sig_hashalgo: sha512
parm: ieee80211_regdom:IEEE 802.11 regulatory domain code (charp)
parm: cfg80211_disable_40mhz_24ghz:Disable
40MHz support in the 2.4GHz band (bool)
##### module parameters #################
[ath9k]
blink: 0
bt_ant_diversity: 0
btcoex_enable: 0
nohwcrypt: 0
ps_enable: 0
[mac80211]
beacon_loss_count: 7
ieee80211_default_rc_algo: minstrel_ht
max_nullfunc_tries: 2
max_probe_tries: 5
probe_wait_ms: 500
[cfg80211]
cfg80211_disable_40mhz_24ghz: N
ieee80211_regdom: 00
##### /etc/modules ######################
lp
rtc
##### modprobe options ##################
[/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
[/etc/modprobe.d/blacklist-rare-network.conf]
alias net-pf-3 off
alias net-pf-6 off
alias net-pf-9 off
alias net-pf-11 off
alias net-pf-12 off
alias net-pf-19 off
alias net-pf-21 off
alias net-pf-36 off
[/etc/modprobe.d/iwlwifi.conf]
remove iwlwifi \
(/sbin/lsmod | grep -o -e ^iwlmvm -e ^iwldvm -e ^iwlwifi | xargs /sbin/rmmod) \
&& /sbin/modprobe -r mac80211
[/etc/modprobe.d/mlx4.conf]
softdep mlx4_core post: mlx4_en
##### rc.local ##########################
exit 0
##### pm-utils ##########################
##### udev rules ########################
[/etc/udev/rules.d/70-persistent-net.rules]
# PCI device 0x10ec:0x8168 (r8169)
SUBSYSTEM=="net", ACTION=="add", DRIVERS=="?*", ATTR{address}=="<MAC 'eth0' [IF]>", ATTR{dev_id}=="0x0", ATTR{type}=="1", KERNEL=="eth*", NAME="eth0"
# PCI device 0x168c:0x0032 (ath9k)
SUBSYSTEM=="net", ACTION=="add", DRIVERS=="?*", ATTR{address}=="<MAC 'wlan0' [IF]>", ATTR{dev_id}=="0x0", ATTR{type}=="1", KERNEL=="wlan*", NAME="wlan0"
##### dmesg #############################
[ 24.121857] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready (repeated 2 times)
[ 56.516160] wlan0: authenticate with <MAC 'Paschoalini' [AC1]>
[ 56.544949] wlan0: send auth to <MAC 'Paschoalini' [AC1]> (try 1/3)
[ 56.547071] wlan0: authenticated
[ 56.547421] ath9k 0000:03:00.0 wlan0: disabling HT/VHT due to WEP/TKIP use
[ 56.547430] ath9k 0000:03:00.0 wlan0: disabling HT as WMM/QoS is not supported by the AP
[ 56.547434] ath9k 0000:03:00.0 wlan0: disabling VHT as WMM/QoS is not supported by the AP
[ 56.548924] wlan0: associate with <MAC 'Paschoalini' [AC1]> (try 1/3)
[ 56.553874] wlan0: RX AssocResp from <MAC 'Paschoalini' [AC1]> (capab=0x431 status=0 aid=5)
[ 56.554268] wlan0: associated
[ 56.554328] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
[ 481.323775] wlan0: deauthenticating from <MAC 'Paschoalini' [AC1]> by local choice (reason=3)
[ 482.334296] wlan0: authenticate with <MAC 'Paschoalini' [AC1]>
[ 482.352063] wlan0: send auth to <MAC 'Paschoalini' [AC1]> (try 1/3)
[ 482.354308] wlan0: authenticated
[ 482.354761] ath9k 0000:03:00.0 wlan0: disabling HT/VHT due to WEP/TKIP use
[ 482.354770] ath9k 0000:03:00.0 wlan0: disabling HT as WMM/QoS is not supported
[ 482.354775] ath9k 0000:03:00.0 wlan0: disabling VHT as WMM/QoS is not supported by the AP
[ 482.356151] wlan0: associate with <MAC 'Paschoalini' [AC1]> (try 1/3)
[ 482.358759] wlan0: RX AssocResp from <MAC 'Paschoalini' [AC1]> (capab=0x431 status=0 aid=5)
[ 482.359189] wlan0: associated
######## wireless info END ############