[Kernel-packages] [Bug 1799064] Re: Bluetooth (ISSC USB dongle) refuses to power on after cosmic upgrade (works in kernel 4.15.0, but fails in 4.16 onward)

Many thanks for the pointer - that workaround did indeed work! If there's any detail I can provide to help fix this properly, do let me know. -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu.

[Kernel-packages] [Bug 1799064] Re: Bluetooth (ISSC USB dongle) refuses to power on after cosmic upgrade (works in kernel 4.15.0, but fails in 4.16 onward)

Apologies for the belated response. Unfortunately that does not seem to work around the issue. -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to bluez in Ubuntu. https://bugs.launchpad.net/bugs/1799064 Title: Bluetooth (ISSC USB dongle)

[Kernel-packages] [Bug 1799064] Re: Bluetooth refuses to power on after cosmic upgrade

Works in 4.15.0, but fails in 4.16.18 and 4.17.19. I don't have time right now to try earlier point releases (plus this is an infuriatingly slow system), but hope this helps narrow it down a bit, at least. A few other observations: * Unplugging and replugging the dongle, and then restarting

[Kernel-packages] [Bug 1799064] [NEW] Bluetooth refuses to power on after cosmic upgrade

Public bug reported: After upgrading from bionic to cosmic, Bluetooth has stopped working. It has worked fine for several versions before. Error message from syslog is: Failed to set mode: Failed (0x03) Which according to various random forum posts seems to suggest the device is not powering