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Author Topic: Peppermint 9 shows No Internet But Icon Shows Connected  (Read 601 times)

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Offline chalupabatman

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Peppermint 9 shows No Internet But Icon Shows Connected
« on: October 19, 2018, 11:09:59 am »
I am running peppermint 9 on an old HP Centrino Duo laptop.  I was previously running Lubuntu - but this is so much faster and smoother - LOVE IT!

Issue I am having is that Chromium or Firefox or terminal will just randomly say it can no longer conect but the wifi indicator in the corner shows it is connected.  Only a reboot will resolve this issue.

Is there a system setting or kernal update or something I can do to remedy this?

Offline PCNetSpec

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Re: Peppermint 9 shows No Internet But Icon Shows Connected
« Reply #1 on: October 19, 2018, 11:23:27 am »
I take it this is a wireless connection we're talking about ?

Can you post the output from:
Code: [Select]
lsusb
and
Code: [Select]
lspci -vnn | grep -i net
and
Code: [Select]
sudo lshw -C network
and the next time wireless drops out, can you also run:
Code: [Select]
rfkill list
and
Code: [Select]
iwlist scan
and
Code: [Select]
iwconfig
copy the output to a text file .. do whatever you need to do to get reconnected .. then post the output here
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Offline chalupabatman

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Re: Peppermint 9 shows No Internet But Icon Shows Connected
« Reply #2 on: October 19, 2018, 11:30:21 am »
Yes - it is wireless connection, sorry I should have spsecified that.

lsusb output
Code: [Select]
owner@owner-HP-Compaq-nc8430-RB553UT-ABA ~ $ lsusb
Bus 001 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 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 003 Device 002: ID 08ff:2580 AuthenTec, Inc. AES2501 Fingerprint Sensor
Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub

and lspci output
Code: [Select]
owner@owner-HP-Compaq-nc8430-RB553UT-ABA ~ $ lspci -vnn | grep -i net
08:00.0 Ethernet controller [0200]: Broadcom Limited NetXtreme BCM5753M Gigabit Ethernet PCI Express [14e4:16fd] (rev 21)
10:00.0 Network controller [0280]: Intel Corporation PRO/Wireless 3945ABG [Golan] Network Connection [8086:4222] (rev 02)
Subsystem: Hewlett-Packard Company PRO/Wireless 3945ABG [Golan] Network Connection [103c:135b]

and lshw is in spoiler tag
Spoiler (click here to view / hide)
owner@owner-HP-Compaq-nc8430-RB553UT-ABA ~ $ sudo lshw -C network
[sudo] password for owner:
  *-network                 
       description: Ethernet interface
       product: NetXtreme BCM5753M Gigabit Ethernet PCI Express
       vendor: Broadcom Limited
       physical id: 0
       bus info: pci@0000:08:00.0
       logical name: ens1
       version: 21
       serial: 00:17:08:46:14:78
       capacity: 1Gbit/s
       width: 64 bits
       clock: 33MHz
       capabilities: pm vpd msi pciexpress bus_master cap_list ethernet physical tp 10bt 10bt-fd 100bt 100bt-fd 1000bt 1000bt-fd autonegotiation
       configuration: autonegotiation=on broadcast=yes driver=tg3 driverversion=3.137 firmware=5753m-v3.56 latency=0 link=no multicast=yes port=twisted pair
       resources: irq:28 memory:f4100000-f410ffff
  *-network
       description: Wireless interface
       product: PRO/Wireless 3945ABG [Golan] Network Connection
       vendor: Intel Corporation
       physical id: 0
       bus info: pci@0000:10:00.0
       logical name: wlp16s0
       version: 02
       serial: 00:18:de:bd:48:02
       width: 32 bits
       clock: 33MHz
       capabilities: pm msi pciexpress bus_master cap_list ethernet physical wireless
       configuration: broadcast=yes driver=iwl3945 driverversion=4.15.0-36-generic firmware=15.32.2.9 ip=192.168.5.213 latency=0 link=yes multicast=yes wireless=IEEE 802.11
       resources: irq:27 memory:f4000000-f4000fff

[close]

Offline chalupabatman

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Re: Peppermint 9 shows No Internet But Icon Shows Connected
« Reply #3 on: October 21, 2018, 10:11:36 pm »
@PCNetSpec -
Finally had a moment to get the other logs you needed from when the wifi drops.  Below they are

iwconfig
Code: [Select]
owner@owner-HP-Compaq-nc8430-RB553UT-ABA ~ $ iwconfig
ens1      no wireless extensions.

wlp16s0   IEEE 802.11  ESSID:off/any 
          Mode:Managed  Access Point: Not-Associated   Tx-Power=14 dBm   
          Retry short limit:7   RTS thr:off   Fragment thr:off
          Power Management:on
         
lo        no wireless extensions.

iwlist
Code: [Select]
owner@owner-HP-Compaq-nc8430-RB553UT-ABA ~ $ iwlist scan
ens1      Interface doesn't support scanning.

wlp16s0   Failed to read scan data : Network is down

lo        Interface doesn't support scanning.

rfkill list
Code: [Select]
owner@owner-HP-Compaq-nc8430-RB553UT-ABA ~ $ rfkill list
0: phy0: Wireless LAN
Soft blocked: no
Hard blocked: no
1: hp-wifi: Wireless LAN
Soft blocked: no
Hard blocked: no

When you can please advise on next steps.  Thank you kindly.


Offline PCNetSpec

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Re: Peppermint 9 shows No Internet But Icon Shows Connected
« Reply #4 on: October 22, 2018, 03:44:02 pm »
Whilst wireless is working, run:
Code: [Select]
sudo iwconfig wlp16s0 power off
to disable power management on the wireless card .. and see if that makes things more stable ?

The above command will NOT survive a reboot (you'll have to apply it at each boot), I just want to know if it makes the connection stable ?
WARNING: You are logged into reality as 'root' .. logging in as 'insane' is the only safe option.

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PCNetSpec