** Description changed: - This bug is for tracking purpose. + 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.
-- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1940488 Title: dell300x: rsi wifi and bluetooth crash after suspend and resume Status in HWE Next: New Status in linux package in Ubuntu: In Progress Status in linux source package in Bionic: In Progress 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. To manage notifications about this bug go to: https://bugs.launchpad.net/hwe-next/+bug/1940488/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
