[Bug 1802306] Re: Network connectivity dropping after a few minutes on Intel Corporation Wireless 8265 / 8275 (rev 78), ThinkPad T480s

2018-11-09 Thread Pirouette Cacahuète
Aruba AP225 on ArubaOS v6.5.3.3

** Summary changed:

- Network connectivity dropping after a few minutes on Intel Corporation 
Wireless 8265 / 8275 (rev 78), ThinkPad T480s
+ Network connectivity lost after a few minutes on Intel Corporation Wireless 
8265 / 8275 (rev 78), ThinkPad T480s, firmware v36

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Title:
  Network connectivity lost after a few minutes on Intel Corporation
  Wireless 8265 / 8275 (rev 78), ThinkPad T480s, firmware v36

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[Bug 1802306] Re: Network connectivity dropping after a few minutes on Intel Corporation Wireless 8265 / 8275 (rev 78), ThinkPad T480s

2018-11-08 Thread Pirouette Cacahuète
After extensive playing with iwlwifi, I could stop the issue by doing either:
 - modprobe iwlwifi 11n_disable=1
 - blacklist the v36 firmware /lib/firmware/iwlwifi-8265-36.ucode, driver picks 
v34 which seems to be stable

I tested the two releases of v36: 36.7596afd4.0 and 36.e91976c0.0, both
expose the same issue.

Given the impact on speed, I've chose the second solution as a
workaround.

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https://bugs.launchpad.net/bugs/1802306

Title:
  Network connectivity dropping after a few minutes on Intel Corporation
  Wireless 8265 / 8275 (rev 78), ThinkPad T480s

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