** Changed in: hwe-next
Status: New => Fix Released
** Changed in: linux (Ubuntu Xenial)
Status: New => Won't Fix
** Changed in: linux (Ubuntu)
Status: Triaged => Invalid
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https://bugs.launchpad.net/bugs/1630285
Title:
mwifiex_pcie crashes after several bind/unbind
Status in HWE Next:
Fix Released
Status in linux package in Ubuntu:
Invalid
Status in nplan package in Ubuntu:
Fix Released
Status in linux source package in Xenial:
Won't Fix
Status in nplan source package in Xenial:
Fix Released
Status in linux source package in Yakkety:
Won't Fix
Status in nplan source package in Yakkety:
Fix Released
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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