Can confirm that 5.14.0-9031.34+exp.62 fixed this bug. cold-boot 50 times by script and BT can scan normally in all reboots.
-- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux-oem-5.14 in Ubuntu. https://bugs.launchpad.net/bugs/1967067 Title: WCN6856 BT keep in OFF state after coldboot system Status in HWE Next: New Status in linux package in Ubuntu: Incomplete Status in linux-oem-5.14 package in Ubuntu: Invalid Status in linux-oem-5.17 package in Ubuntu: New Status in linux source package in Focal: Invalid Status in linux-oem-5.14 source package in Focal: Triaged Status in linux-oem-5.17 source package in Focal: Invalid Status in linux source package in Jammy: Incomplete Status in linux-oem-5.14 source package in Jammy: Invalid Status in linux-oem-5.17 source package in Jammy: New Bug description: [Reproduce Steps] 1.Insert WCN6856 card to SUT. 2.Press power button to power on SUT. 3.Clean install Ubuntu 20.04. 4.Check BT function after installation is complete. 5.Coldboot system and check the BT function. 6.Repeat step5, Issue occur. 7.Only found with CB, can't reproduce on WB. [Results] Expected Result BT function work normally. Actual Result BT has no function. Can't turn ON BT function. Need CB to recover BT function. "WB" and "swicth tab" cannot restore the BT function. [Others] Wifi function work normally. To manage notifications about this bug go to: https://bugs.launchpad.net/hwe-next/+bug/1967067/+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