Random Wireless Disconnections

Questions about WIFI networks and devices
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Random Wireless Disconnections

Postby Naslb on Mon Jan 21, 2013 11:57 pm

Good day,

I'm using Mint 14 cinnamon on a HP DV6 laptop and I noticed that at random intervals the Wifi will drop and refuse to connect again, the wifi adapter goes off and trying to turn it back on results in the screen flickering and nothing happening, logging out and back in doesn't fix it, only restarting.

Any ideas how I would troubleshoot this?

Thanks
Naslb
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Re: Random Wireless Disconnections

Postby snison on Tue Jan 22, 2013 12:07 am

Yes, read the first post in "Before you post in here!"
viewtopic.php?f=53&t=1085
I generally don't use salutation, valedication, or please when answering your questions. I'm not a jerk; you have a question, I have a possible solution.
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Re: Random Wireless Disconnections

Postby Naslb on Tue Jan 22, 2013 7:48 am

Here is the output, when it's working, I'll try it again when it disconnects?

* I. scanning WIFI PCI devices...
-- Intel Corporation PRO/Wireless 5100 AGN [Shiloh] Network Connection
==> PCI ID = 8086:4237
-------------------------
* II. querying ndiswrapper...
-------------------------
* III. querying iwconfig...
eth0 no wireless extensions.

lo no wireless extensions.

wlan0 IEEE 802.11abgn ESSID:"Private"
Mode:Managed Frequency:2.462 GHz Access Point: 00:02:6F:B5:95:E4
Bit Rate=54 Mb/s Tx-Power=15 dBm
Retry long limit:7 RTS thr:off Fragment thr:off
Encryption key:off
Power Management:off
Link Quality=70/70 Signal level=-32 dBm
Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0
Tx excessive retries:0 Invalid misc:16 Missed beacon:0

-------------------------
* IV. querying ifconfig...
eth0 Link encap:Ethernet HWaddr 00:26:9e:5b:2d:24
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)

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:16436 Metric:1
RX packets:13121 errors:0 dropped:0 overruns:0 frame:0
TX packets:13121 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:1408186 (1.4 MB) TX bytes:1408186 (1.4 MB)

wlan0 Link encap:Ethernet HWaddr 00:1e:65:72:e6:50
inet addr:192.168.0.100 Bcast:192.168.0.255 Mask:255.255.255.0
inet6 addr: fe80::21e:65ff:fe72:e650/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:107330 errors:0 dropped:0 overruns:0 frame:0
TX packets:166573 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:43036300 (43.0 MB) TX bytes:107932905 (107.9 MB)

-------------------------
* V. querying DHCP...
Rather than invoking init scripts through /etc/init.d, use the service(8)
utility, e.g. service smbd reload

Since the script you are attempting to invoke has been converted to an
Upstart job, you may also use the reload(8) utility, e.g. reload smbd
RTNETLINK answers: File exists
-------------------------
* VI. querying nslookup google.com...
Server: 192.168.0.1
Address: 192.168.0.1#53

Non-authoritative answer:
Name: google.com
Address: 74.125.225.103
Name: google.com
Address: 74.125.225.98
Name: google.com
Address: 74.125.225.96
Name: google.com
Address: 74.125.225.100
Name: google.com
Address: 74.125.225.99
Name: google.com
Address: 74.125.225.110
Name: google.com
Address: 74.125.225.105
Name: google.com
Address: 74.125.225.101
Name: google.com
Address: 74.125.225.102
Name: google.com
Address: 74.125.225.97
Name: google.com
Address: 74.125.225.104
Naslb
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Re: Random Wireless Disconnections

Postby snison on Tue Jan 22, 2013 6:53 pm

Try moving away from it some. Your RSSI is extraordinary. You may be overdriving the link...
I generally don't use salutation, valedication, or please when answering your questions. I'm not a jerk; you have a question, I have a possible solution.
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Re: Random Wireless Disconnections

Postby Naslb on Tue Jan 22, 2013 11:57 pm

Thanks for the suggestion! It seems quite odd, sometimes it goes for days without disconnecting and sometimes it disconnects multiple times in an hour (all other devices connected to the network still work. I live in a studio so the other end of the room is as far as I can go. my phone and other internet-enabled devices never seem to have a problem?
Here is an output when it disconnected

* I. scanning WIFI PCI devices...
-- Intel Corporation PRO/Wireless 5100 AGN [Shiloh] Network Connection
==> PCI ID = 8086:4237
-------------------------
* II. querying ndiswrapper...
-------------------------
* III. querying iwconfig...
eth0 no wireless extensions.

lo no wireless extensions.

wlan0 IEEE 802.11abgn ESSID:off/any
Mode:Managed Access Point: Not-Associated Tx-Power=15 dBm
Retry long limit:7 RTS thr:off Fragment thr:off
Encryption key:off
Power Management:on

-------------------------
* IV. querying ifconfig...
eth0 Link encap:Ethernet HWaddr 00:26:9e:5b:2d:24
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)

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:16436 Metric:1
RX packets:534 errors:0 dropped:0 overruns:0 frame:0
TX packets:534 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:58996 (58.9 KB) TX bytes:58996 (58.9 KB)

wlan0 Link encap:Ethernet HWaddr 00:1e:65:72:e6:50
UP BROADCAST MULTICAST MTU:1500 Metric:1
RX packets:3390 errors:0 dropped:0 overruns:0 frame:0
TX packets:3261 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:3303490 (3.3 MB) TX bytes:673056 (673.0 KB)

-------------------------
* V. querying DHCP...
-------------------------
* VI. querying nslookup google.com...
;; connection timed out; no servers could be reached
Naslb
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Re: Random Wireless Disconnections

Postby beginner on Thu Jan 24, 2013 8:48 am

Code: Select all
-------------------------
* I. scanning WIFI PCI devices...
  -- Ralink corp. RT5390 [802.11 b/g/n 1T1R G-band PCI Express Single Chip]
      ==> PCI ID = 1814:539f
-------------------------
* II. querying ndiswrapper...
-------------------------
* III. querying iwconfig...
eth0      no wireless extensions.

lo        no wireless extensions.

wlan0     IEEE 802.11bgn  ESSID:"PLDTMyDSL" 
          Mode:Managed  Frequency:2.462 GHz  Access Point: B0:B2:DC:44:AF:20   
          Bit Rate=60 Mb/s   Tx-Power=27 dBm   
          Retry  long limit:7   RTS thr:off   Fragment thr:off
          Encryption key:off
          Power Management:off
          Link Quality=29/70  Signal level=-81 dBm 
          Rx invalid nwid:0  Rx invalid crypt:0  Rx invalid frag:0
          Tx excessive retries:31  Invalid misc:0   Missed beacon:0

-------------------------
* IV. querying ifconfig...
eth0      Link encap:Ethernet  HWaddr 10:1f:74:13:4b:b8 
          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)

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:16436  Metric:1
          RX packets:491 errors:0 dropped:0 overruns:0 frame:0
          TX packets:491 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0
          RX bytes:88214 (88.2 KB)  TX bytes:88214 (88.2 KB)

wlan0     Link encap:Ethernet  HWaddr 94:39:e5:0b:ae:d6 
          inet addr:192.168.1.33  Bcast:192.168.1.255  Mask:255.255.255.0
          inet6 addr: fe80::9639:e5ff:fe0b:aed6/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:5674 errors:0 dropped:0 overruns:0 frame:0
          TX packets:5967 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:4565073 (4.5 MB)  TX bytes:924286 (924.2 KB)

-------------------------
* V. querying DHCP...
Rather than invoking init scripts through /etc/init.d, use the service(8)
utility, e.g. service smbd reload

Since the script you are attempting to invoke has been converted to an
Upstart job, you may also use the reload(8) utility, e.g. reload smbd
RTNETLINK answers: File exists
-------------------------
* VI. querying nslookup google.com...
Server:      192.168.1.1
Address:   192.168.1.1#53

Non-authoritative answer:
Name:   google.com
Address: 74.125.128.139
Name:   google.com
Address: 74.125.128.100
Name:   google.com
Address: 74.125.128.101
Name:   google.com
Address: 74.125.128.102
Name:   google.com
Address: 74.125.128.113
Name:   google.com
Address: 74.125.128.138


hello, i am also having some problems with my wireless connection. my browsing is painfully slow when I am downloading and I get disconnected plenty of times. this wasn't the case before i switched to linux so I though this maybe a newbie problem.above is what i god when i tried the mintwifi command
beginner
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