** Changed in: hwe-next
Status: New => Fix Released
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https://bugs.launchpad.net/bugs/1940488
Title:
dell300x: rsi wifi and bluetooth crash after suspend and resume
Status in HWE Next:
Fix Released
Status in linux package in Ubuntu:
Fix Released
Status in linux source package in Bionic:
Fix Released
Status in linux-dell300x source package in Bionic:
Fix Released
Bug description:
I tested the upstream stable kernel 4.19.191, also could reproduce
this issue, and reported this testing result to stable mail list.
[Impact]
On the Dell300x machine, after system suspend and resume, the wifi
and bluetooth can't work anymore.
[Fix]
Revert a patch which was applied to bionic kernel from stable update.
[Test]
Booting up with the patched kernel, run $sudo rtcwake -m freeze -s 10,
then check dmesg to make sure there is crashing log, and run 'nmcli d
wifi' and 'bluetoothctl, power on, scan on', all worked well.
[Where problems could occur]
After applying this SRU, the rsi wifi and bluetooth could have come
change, like wifi and bluetooth can't work well after resume, but this
possibility is very low, I already run '$sudo rtcwake -m freeze -s 10'
for 50 times, the wifi and bluetooth still worked well.
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