I'm having the same issues on my Dell Precision laptop with 20.04 lts,
kernel 5.8.0-43.
One thing I've noticed: it seems to happen less frequently with Wayland
than with X.
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A little more information:
- Current and upstream kernel see some bluetooth devices (probably cell phones
nearby), just not the keyboard and trackpad. These show up as general devices,
not input devices.
- Keyboard and track pad do not show up as any device type (they work on
windows on same
Tested with 4.7-rc3 64 bit x86.
** Tags added: kernel-bug-exists-upstream
** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
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Since it is a new laptop, I do not know if it ever worked. But, there
were updates during the first week of use, so it is up to date.
I have tested upstream kernels before, but since this is my everyday
work laptop, and because it has an encrypted partition, I need to review
the changes I made
Public bug reported:
Hardware: XPS 15 9550, BCM43602 Bluetooth
Release: 16.04
Main Symptom: Mac Key Board and Mac Trackpad not discovered, but other devices
are discovered
Details:
Firmware not loading + misc errors.
Edited /etc/init/bluetooth.conf to add -d on exec.
sudo udevadm control
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