*** This bug is a duplicate of bug 2165873 ***
https://bugs.launchpad.net/bugs/2165873
Same oops on 6.8.0-142.142-generic, so this was not fixed after 139.
Hardware: MSI MPG X670E CARBON WIFI (MS-7D70), BIOS 1.J3, onboard
MediaTek MT7922, USB ID 0e8d:0616. Different vendor ID from the ASUS
13d3:3563 in this report, same crash.
NULL pointer dereference at 0000000000000219 in __pm_runtime_resume,
called from btmtk_usb_hci_wmt_sync + btmtk_setup_firmware_79xx +
btusb_mtk_setup, on the hci0 hci_power_on workqueue. hci0 left DOWN INIT
with BD address 00:00:00:00:00:00. bluetoothctl reports no default
controller. Wi-Fi on the same chip (mt7921e) is unaffected.
Tested kernels on this machine:
6.8.0-137: Bluetooth works
6.8.0-139: oops, no controller
6.8.0-142: oops, no controller
Reloading btusb, restarting bluetooth.service, rfkill, USB re-
enumeration, and a full PSU power drain do not clear it. Only booting
137 does.
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https://bugs.launchpad.net/bugs/2167213
Title:
btmtk: NULL pointer dereference in btmtk_usb_hci_wmt_sync() breaks
MT7922 Bluetooth (regression in 6.8.0-139-generic)
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