Ubuntu

WLAN/WIFI Disconnects after 5 mins, then unable to connect unless rebooted

Asked by volamoot

After an update of wpasupplicant and other dependencies for network-manager the wlan/wifi cuts out after 5-15 mins. The only solution I have found would be a full system reboot but that becomes a huge pain.

The updates that were installed that caused this issue to arise are as follow:
ubuntu-settings 15.04.2 -> 15.04.3
lightdm 1.14.0-0ubuntu2 -> 1.14.2-0ubuntu1
liblightdm-gobject-1-0 1.14.0-0ubuntu2 -> 1.14.2-0ubuntu1
aptdaemon-data 1.1.1+bzr982-0ubuntu3 -> 1.1.1+bzr982-0ubuntu3.1
aptdaemon 1.1.1+bzr982-0ubuntu3 -> 1.1.1+bzr982-0ubuntu3.1
wpasupplicant 2.1-0ubuntu7.1 -> 2.1-0ubuntu7.2

What would be the best possible solution to resolving these issues?

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actionparsnip (andrew-woodhead666) said : 		#1

What is the output of:

sudo lshw -C network; lsb_release -a; uname -a

Thanks

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volamoot (springer-alex) said : 		#3

*-network
       description: Ethernet interface
       product: 82577LM Gigabit Network Connection
       vendor: Intel Corporation
       physical id: 19
       bus info: pci@0000:00:19.0
       logical name: eth0
       version: 06
       serial: f0:de:f1:3f:9e:8b
       size: 100Mbit/s
       capacity: 1Gbit/s
       width: 32 bits
       clock: 33MHz
       capabilities: pm msi bus_master cap_list ethernet physical tp 10bt 10bt-fd 100bt 100bt-fd 1000bt-fd autonegotiation
       configuration: autonegotiation=on broadcast=yes driver=e1000e driverversion=2.3.2-k duplex=full firmware=0.12-1 ip=192.168.1.103 latency=0 link=yes multicast=yes port=twisted pair speed=100Mbit/s
       resources: irq:28 memory:f8500000-f851ffff memory:f8525000-f8525fff ioport:1820(size=32)
  *-network
       description: Wireless interface
       product: Centrino Advanced-N 6200
       vendor: Intel Corporation
       physical id: 0
       bus info: pci@0000:03:00.0
       logical name: wlan0
       version: 35
       serial: 58:94:6b:dc:47:c4
       width: 64 bits
       clock: 33MHz
       capabilities: pm msi pciexpress bus_master cap_list ethernet physical wireless
       configuration: broadcast=yes driver=iwlwifi driverversion=3.19.0-21-generic firmware=9.221.4.1 build 25532 latency=0 link=no multicast=yes wireless=IEEE 802.11abgn
       resources: irq:27 memory:f8100000-f8101fff
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu 15.04
Release: 15.04
Codename: vivid
Linux volamoot-ThinkPad 3.19.0-21-generic #21-Ubuntu SMP Sun Jun 14 18:31:11 UTC 2015 x86_64 x86_64 x86_64 GNU/Linux

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vovo4ka (vovka-krevedko) said : 		#4

very similar to my problem.
is my case set off power management resolve it:

iwconfig wlan0 power off

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