group.of.nepali.translators team mailing list archive

[Mathieu Trudel-Lapierre <mathieu.tl@xxxxxxxxx>]

** Also affects: nplan (Ubuntu)
   Importance: Undecided
       Status: New

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

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

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

** Also affects: nplan (Ubuntu Yakkety)
   Importance: Undecided
       Status: New

** Description changed:

+ [Impact]
+ netplan-configured systems with mwifiex interfaces crash if netplan attempts to unbind/bind the interface.
+ 
+ [Test case]
+ 1) Run 'netplan apply' on a system with mwifiex_pci driver.
+ 
+ The system should not crash, and the mwifiex interface should remain
+ untouched.
+ 
+ [Regression potential]
+ Interfaces other than those affected by unbind/bind crashes or failures should still be unbound when 'netplan apply' is run. This affects most wireless interfaces, with the notable exception of mwifiex and brcmfmac. Failure to apply netplan configuration for a legitimate mwifiex device (wireless connection driven by NetworkManager renderer using netplan) would also constitute a regression.
+ 
+ [Original bug report]
  # echo 0000:03:00.0 > /sys/bus/pci/drivers/mwifiex_pcie/unbind
- # echo 0000:03:00.0 > /sys/bus/pci/drivers/mwifiex_pcie/bin
+ # echo 0000:03:00.0 > /sys/bus/pci/drivers/mwifiex_pcie/bind
  
  Keep doing the bind/unbind actions, it would crash very soon.

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https://bugs.launchpad.net/bugs/1630285

Title:
  mwifiex_pcie crashes after several bind/unbind

Status in HWE Next:
  New
Status in linux package in Ubuntu:
  Triaged
Status in nplan package in Ubuntu:
  New
Status in linux source package in Xenial:
  New
Status in nplan source package in Xenial:
  New
Status in linux source package in Yakkety:
  New
Status in nplan source package in Yakkety:
  New

Bug description:
  [Impact]
  netplan-configured systems with mwifiex interfaces crash if netplan attempts to unbind/bind the interface.

  [Test case]
  1) Run 'netplan apply' on a system with mwifiex_pci driver.

  The system should not crash, and the mwifiex interface should remain
  untouched.

  [Regression potential]
  Interfaces other than those affected by unbind/bind crashes or failures should still be unbound when 'netplan apply' is run. This affects most wireless interfaces, with the notable exception of mwifiex and brcmfmac. Failure to apply netplan configuration for a legitimate mwifiex device (wireless connection driven by NetworkManager renderer using netplan) would also constitute a regression.

  [Original bug report]
  # echo 0000:03:00.0 > /sys/bus/pci/drivers/mwifiex_pcie/unbind
  # echo 0000:03:00.0 > /sys/bus/pci/drivers/mwifiex_pcie/bind

  Keep doing the bind/unbind actions, it would crash very soon.

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