Wireless Disconnects

**ruddi** · May 9th, 2013

Hello.

When I download or "max out" my internet connection the wireless network disconnects, this happens most often when I use a torrent client like deluge or transmission, the only way to reconnect is to disable wifi then enable it.
If I am browsing the web, watching youtube etc. everything works fine

Ubuntu 13.04 64bit
I am using gsky gs-27USB
Motherboard: Gigabyte Z77X-UD5H (If that helps?)

Thanks in advance

**praseodym** · May 20th, 2013

Please open a terminal with CTRL+ALT+T and show the outputs of:

Code:

lspci -nnk | grep -iA2 net
lsusb
lsmod
iwconfig
ifconfig -a
sudo iwlist scan

**ruddi** · May 21st, 2013

Thank you for answering

Here is the output

ath@ath-pc:~$ lspci -nnk | grep -iA2 net
00:19.0 Ethernet controller [0200]: Intel Corporation 82579V Gigabit Network Connection [8086:1503] (rev 04)
Subsystem: Gigabyte Technology Co., Ltd Device [1458:e000]
Kernel driver in use: e1000e
--
06:00.0 Ethernet controller [0200]: Qualcomm Atheros AR8151 v2.0 Gigabit Ethernet [1969:1083] (rev c0)
Subsystem: Gigabyte Technology Co., Ltd Device [1458:e000]
Kernel driver in use: atl1c
ath@ath-pc:~$ lsusb
Bus 001 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
Bus 002 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
Bus 004 Device 002: ID 2109:0810
Bus 004 Device 003: ID 2109:0810
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 003: ID 0bda:8187 Realtek Semiconductor Corp. RTL8187 Wireless Adapter
Bus 001 Device 004: ID 046d:c051 Logitech, Inc. G3 (MX518) Optical Mouse
Bus 001 Device 005: ID 0a81:0101 Chesen Electronics Corp. Keyboard
Bus 001 Device 006: ID 2109:0810
Bus 001 Device 007: ID 2109:0810
ath@ath-pc:~$ lsmod
Module Size Used by
parport_pc 28152 0
ppdev 17073 0
rfcomm 42641 0
bnep 18036 2
bluetooth 228619 10 bnep,rfcomm
vesafb 13828 1
arc4 12615 2
coretemp 13355 0
kvm 443165 0
ghash_clmulni_intel 13259 0
hid_generic 12540 0
aesni_intel 55399 3
rtl8187 60848 0
aes_x86_64 17255 1 aesni_intel
xts 12885 1 aesni_intel
lrw 13257 1 aesni_intel
gf128mul 14951 2 lrw,xts
ablk_helper 13597 1 aesni_intel
cryptd 20373 3 ghash_clmulni_intel,aesni_intel,ablk_helper
mac80211 606457 1 rtl8187
cfg80211 510937 2 mac80211,rtl8187
usbhid 47074 0
hid 101002 2 hid_generic,usbhid
eeprom_93cx6 13344 1 rtl8187
mxm_wmi 13021 0
snd_hda_codec_hdmi 36913 1
snd_hda_codec_realtek 78399 1
microcode 22881 0
snd_hda_intel 39619 3
snd_hda_codec 136453 3 snd_hda_codec_realtek,snd_hda_codec_hdmi,snd_hda_i ntel
snd_hwdep 13602 1 snd_hda_codec
psmouse 95870 0
serio_raw 13215 0
lpc_ich 17061 0
snd_pcm 97451 3 snd_hda_codec_hdmi,snd_hda_codec,snd_hda_intel
snd_page_alloc 18710 2 snd_pcm,snd_hda_intel
snd_seq_midi 13324 0
snd_seq_midi_event 14899 1 snd_seq_midi
mei 41158 0
snd_rawmidi 30180 1 snd_seq_midi
snd_seq 61554 2 snd_seq_midi_event,snd_seq_midi
fglrx 5201161 147
video 19390 0
wmi 19070 1 mxm_wmi
mac_hid 13205 0
snd_seq_device 14497 3 snd_seq,snd_rawmidi,snd_seq_midi
snd_timer 29425 2 snd_pcm,snd_seq
amd_iommu_v2 19068 1 fglrx
snd 68876 16 snd_hda_codec_realtek,snd_hwdep,snd_timer,snd_hda_ codec_hdmi,snd_pcm,snd_seq,snd_rawmidi,snd_hda_cod ec,snd_hda_intel,snd_seq_device
soundcore 12680 1 snd
lp 17759 0
parport 46345 3 lp,ppdev,parport_pc
firewire_ohci 40103 0
firewire_core 64508 1 firewire_ohci
crc_itu_t 12707 1 firewire_core
atl1c 41071 0
ahci 25731 2
libahci 31364 1 ahci
e1000e 198787 0
ath@ath-pc:~$ iwconfig
eth0 no wireless extensions.

eth1 no wireless extensions.

lo no wireless extensions.

wlan0 IEEE 802.11bg ESSID:"SiminnECADC1"
Mode:Managed Frequency:2.442 GHz Access Point: 58:98:35:EC:AD:C1
Bit Rate=54 Mb/s Tx-Power=20 dBm
Retry long limit:7 RTS thr

ff Fragment thr

ff
Power Management

ff
Link Quality=70/70 Signal level=-30 dBm
Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0
Tx excessive retries:0 Invalid misc:51 Missed beacon:0

ath@ath-pc:~$ iwconfig -a
-a No such device

ath@ath-pc:~$ sudo iwlist scan
[sudo] password for ath:
eth0 Interface doesn't support scanning.

eth1 Interface doesn't support scanning.

lo Interface doesn't support scanning.

wlan0 Scan completed :
Cell 01 - Address: 58:98:35:EC:AD:C1
Channel:7
Frequency:2.442 GHz (Channel 7)
Quality=70/70 Signal level=-28 dBm
Encryption key

n
ESSID:"SiminnECADC1"
Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 11 Mb/s; 18 Mb/s
24 Mb/s; 36 Mb/s; 54 Mb/s
Bit Rates:6 Mb/s; 9 Mb/s; 12 Mb/s; 48 Mb/s
Mode:Master
Extra:tsf=0000000000000000
Extra: Last beacon: 4ms ago
IE: Unknown: 000C53696D696E6E454341444331
IE: Unknown: 010882848B962430486C
IE: Unknown: 030107
IE: Unknown: 2A0100
IE: Unknown: 2F0100
IE: IEEE 802.11i/WPA2 Version 1
Group Cipher : CCMP
Pairwise Ciphers (1) : CCMP
Authentication Suites (1) : PSK
IE: Unknown: 32040C121860
IE: Unknown: 2D1A1C181BFFFF000000000000000000000000000000000000 000000
IE: Unknown: 3D1607001700000000000000000000000000000000000000
IE: Unknown: DD090010180206000C0000
IE: Unknown: DD180050F2020101800003A4000027A4000042435E0062322F 00

ath@ath-pc:~$ clear

ath@ath-pc:~$ lspci -nnk | grep -iA2 net
00:19.0 Ethernet controller [0200]: Intel Corporation 82579V Gigabit Network Connection [8086:1503] (rev 04)
Subsystem: Gigabyte Technology Co., Ltd Device [1458:e000]
Kernel driver in use: e1000e
--
06:00.0 Ethernet controller [0200]: Qualcomm Atheros AR8151 v2.0 Gigabit Ethernet [1969:1083] (rev c0)
Subsystem: Gigabyte Technology Co., Ltd Device [1458:e000]
Kernel driver in use: atl1c
ath@ath-pc:~$ lsusb
Bus 001 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
Bus 002 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
Bus 004 Device 002: ID 2109:0810
Bus 004 Device 003: ID 2109:0810
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 003: ID 0bda:8187 Realtek Semiconductor Corp. RTL8187 Wireless Adapter
Bus 001 Device 004: ID 046d:c051 Logitech, Inc. G3 (MX518) Optical Mouse
Bus 001 Device 005: ID 0a81:0101 Chesen Electronics Corp. Keyboard
Bus 001 Device 006: ID 2109:0810
Bus 001 Device 007: ID 2109:0810
ath@ath-pc:~$ lsmod
Module Size Used by
parport_pc 28152 0
ppdev 17073 0
rfcomm 42641 0
bnep 18036 2
bluetooth 228619 10 bnep,rfcomm
vesafb 13828 1
arc4 12615 2
coretemp 13355 0
kvm 443165 0
ghash_clmulni_intel 13259 0
hid_generic 12540 0
aesni_intel 55399 3
rtl8187 60848 0
aes_x86_64 17255 1 aesni_intel
xts 12885 1 aesni_intel
lrw 13257 1 aesni_intel
gf128mul 14951 2 lrw,xts
ablk_helper 13597 1 aesni_intel
cryptd 20373 3 ghash_clmulni_intel,aesni_intel,ablk_helper
mac80211 606457 1 rtl8187
cfg80211 510937 2 mac80211,rtl8187
usbhid 47074 0
hid 101002 2 hid_generic,usbhid
eeprom_93cx6 13344 1 rtl8187
mxm_wmi 13021 0
snd_hda_codec_hdmi 36913 1
snd_hda_codec_realtek 78399 1
microcode 22881 0
snd_hda_intel 39619 3
snd_hda_codec 136453 3 snd_hda_codec_realtek,snd_hda_codec_hdmi,snd_hda_i ntel
snd_hwdep 13602 1 snd_hda_codec
psmouse 95870 0
serio_raw 13215 0
lpc_ich 17061 0
snd_pcm 97451 3 snd_hda_codec_hdmi,snd_hda_codec,snd_hda_intel
snd_page_alloc 18710 2 snd_pcm,snd_hda_intel
snd_seq_midi 13324 0
snd_seq_midi_event 14899 1 snd_seq_midi
mei 41158 0
snd_rawmidi 30180 1 snd_seq_midi
snd_seq 61554 2 snd_seq_midi_event,snd_seq_midi
fglrx 5201161 147
video 19390 0
wmi 19070 1 mxm_wmi
mac_hid 13205 0
snd_seq_device 14497 3 snd_seq,snd_rawmidi,snd_seq_midi
snd_timer 29425 2 snd_pcm,snd_seq
amd_iommu_v2 19068 1 fglrx
snd 68876 16 snd_hda_codec_realtek,snd_hwdep,snd_timer,snd_hda_ codec_hdmi,snd_pcm,snd_seq,snd_rawmidi,snd_hda_cod ec,snd_hda_intel,snd_seq_device
soundcore 12680 1 snd
lp 17759 0
parport 46345 3 lp,ppdev,parport_pc
firewire_ohci 40103 0
firewire_core 64508 1 firewire_ohci
crc_itu_t 12707 1 firewire_core
atl1c 41071 0
ahci 25731 2
libahci 31364 1 ahci
e1000e 198787 0
ath@ath-pc:~$ iwconfig
eth0 no wireless extensions.

eth1 no wireless extensions.

lo no wireless extensions.

wlan0 IEEE 802.11bg ESSID:"SiminnECADC1"
Mode:Managed Frequency:2.442 GHz Access Point: 58:98:35:EC:AD:C1
Bit Rate=54 Mb/s Tx-Power=20 dBm
Retry long limit:7 RTS thr

ff Fragment thr

ff
Power Management

ff
Link Quality=70/70 Signal level=-29 dBm
Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0
Tx excessive retries:0 Invalid misc:51 Missed beacon:0

ath@ath-pc:~$ ifconfig -a
eth0 Link encap:Ethernet HWaddr 90:2b:34:57:9c:3f
UP 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
collisions:0 txqueuelen:1000
RX bytes:0 (0.0 B) TX bytes:0 (0.0 B)

eth1 Link encap:Ethernet HWaddr 90:2b:34:57:9c:41
UP 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
collisions:0 txqueuelen:1000
RX bytes:0 (0.0 B) TX bytes:0 (0.0 B)
Interrupt:20 Memory:f7f00000-f7f20000

lo Link encap:Local Loopback
inet addr:127.0.0.1 Mask:255.0.0.0
inet6 addr: ::1/128 Scope:Host
UP LOOPBACK RUNNING MTU:65536 Metric:1
RX packets:372 errors:0 dropped:0 overruns:0 frame:0
TX packets:372 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:37341 (37.3 KB) TX bytes:37341 (37.3 KB)

wlan0 Link encap:Ethernet HWaddr 00:e0:4c:9d:ee:3b
inet addr:192.168.1.78 Bcast:192.168.1.255 Mask:255.255.255.0
inet6 addr: fe80::2e0:4cff:fe9d:ee3b/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:4097 errors:0 dropped:0 overruns:0 frame:0
TX packets:2161 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:3621695 (3.6 MB) TX bytes:247845 (247.8 KB)

ath@ath-pc:~$ sudo iwlist scan
eth0 Interface doesn't support scanning.

eth1 Interface doesn't support scanning.

lo Interface doesn't support scanning.

**wildmanne39** · May 21st, 2013

Please use code tags - if you are using New Reply button - highlight text and use the # button in the text box header.

If using Quick Reply then [code] at the beginning and [/code] at the end.

**praseodym** · May 21st, 2013

Router firmware is up-to-date? Try a fixed channel instead of "auto"

**ruddi** · May 21st, 2013

Wild man
Sorry about that, I am new and did not know how to do that

praseodym
The router is up-to-date, this only happens on my Ubuntu machine, my laptop is fine and when i dual boot to windows 7 it works fine too.
How do I try a fixed channel? sorry I am noob
Thank you so much for your help

**ruddi** · May 22nd, 2013

I changed the channel and now it works fine, thank you

But I was wondering why this only happens in ubuntu/mint but not in windows?

**ruddi** · May 22nd, 2013

I should have knocked on wood.. it worked for a couple of minutes then it started to disconnect again, I have tried out different channels but that did not change anything.
But if it's a problem with the channel wouldn't it also affect my computer when using windows 7?
So, any other ideas?