I too am having this problem after a suspend/resume [deep]. Kubuntu 18.04 (nearly up to date patches (20200424)
dmesg: [285163.220315] Bluetooth: hci0: command 0xfc05 tx timeout [285163.220316] Bluetooth: hci0: Reading Intel version information failed (-110) To restart the BT adapter a simple:- rmmod btusb rmmod btintel modprobe btinel modprobe btusb is sufficient for me. I hope this helps. -- 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/1859592 Title: Bluetooth unavailable after updates - Reading Intel version information failed (-110) Status in linux package in Ubuntu: Invalid Bug description: After 10 days of uptime with automatic updates, I rebooted. Bluetooth, which I use every day, is no longer available. $ dmesg | grep -i bluetooth [ 4.846072] Bluetooth: Core ver 2.22 [ 4.846088] Bluetooth: HCI device and connection manager initialized [ 4.846092] Bluetooth: HCI socket layer initialized [ 4.846094] Bluetooth: L2CAP socket layer initialized [ 4.846096] Bluetooth: SCO socket layer initialized [ 5.434081] Bluetooth: BNEP (Ethernet Emulation) ver 1.3 [ 5.434082] Bluetooth: BNEP filters: protocol multicast [ 5.434086] Bluetooth: BNEP socket layer initialized [ 6.874125] Bluetooth: hci0: command 0xfc05 tx timeout [ 6.874129] Bluetooth: hci0: Reading Intel version information failed (-110) $ uname -a Linux abu 5.3.2-050302-generic #201910010731 SMP Tue Oct 1 07:33:48 UTC 2019 x86_64 x86_64 x86_64 GNU/Linux AMD Ryzen 5 3400G (Picasso, Raven Ridge) (Asrock A300) Ubuntu 18.04 LTS. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1859592/+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
