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[Bug 1479572] Re: system freezes when switching between wifis

 

Hi Tyler,
in high percentage of the cases - about 70% -, when I change a wifi network, it manages to disconnect from the previous network, but after that it freezes completely, not only temporarily. The CapsLock LED blinks, and nor the mouse can be moved nor any windows to activate by a click. nothing happens, for long - it is a total freeze. The only thing helps is to do a hard shot down with the shut down button on the side of the laptop, and restart.

I also notice, that it is much harder for the wifi unit to recognise
networks than before (in 14.xx). - meaning, that it take about double
the time -. SOmetimes it does not see wifi networks, only after reboot.

thank you for your help

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https://bugs.launchpad.net/bugs/1479572

Title:
  system freezes when switching between wifis

Status in network-manager package in Ubuntu:
  Incomplete

Bug description:
  wifi works with the 15.04., still, it freezes the system quite a few times when I switch from one network to another
  very unstable

  laptop: lenovo yoga3 pro running u15.4
  the network card is
  01:00.0 Network controller [0280]: Broadcom Corporation BCM4352 802.11ac Wireless Network Adapter [14e4:43b1] (rev 03)
   Subsystem: Lenovo Device [17aa:0623]
   Kernel driver in use: wlv

  please advice

  -----------------------------
  also,
  bluetooth seems to work as a tool, still,
  . it finds my envaya denon bluetooth speaker
  . but it can not connect to it
  same with my phone

  pleaase advice

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