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[Bug 1700941] Re: Redpine vendor driver - Switching to AP mode causes kernel panic

To: group.of.nepali.translators@xxxxxxxxxxxxxxxxxxx
From: Stefan Bader <stefan.bader@xxxxxxxxxxxxx>
Date: Thu, 20 Jul 2017 08:27:29 -0000
Reply-to: Bug 1700941 <1700941@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx

** Also affects: linux (Ubuntu Xenial)
   Importance: Undecided
       Status: New

** Changed in: linux (Ubuntu Xenial)
       Status: New => Fix Committed

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https://bugs.launchpad.net/bugs/1700941

Title:
  Redpine vendor driver - Switching to AP mode causes kernel panic

Status in HWE Next:
  In Progress
Status in linux package in Ubuntu:
  In Progress
Status in linux source package in Xenial:
  Fix Committed

Bug description:
  Switching from STA to AP mode on RS9113 Redpine Wifi-BT combo device,
  system reports a kernel panic.

  The Redpine driver (ver. 1.2 RC12) doesn't track the Linux 4.4.69 stable release
  which introduced following patches to mac80211 subsystem:
  - mac80211: pass RX aggregation window size to driver
  - mac80211: pass block ack session timeout to to driver
  - mac80211: RX BA support for sta max_rx_aggregation_subframes

  The Redpine driver ver. 1.2RC12 needs to be updated to handle the changes introduced
  in the patch:
  - mac80211: pass block ack session timeout to to driver
  (more details here: http://kernel.ubuntu.com/git/ubuntu/ubuntu-xenial.git/commit/?h=U
  buntu-4.4.0-82.105&id=0b2141bd007213cc9c4228786f773a3c35c41c56 and https://bugs.launc
  hpad.net/bugs/1692900)

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