I'm happy to report that it seems to work with kernel mainline 5.7. I do get the error, but it works without having to cold boot the system at least.
5.7.14-050714-generic #202008070831 SMP Fri Aug 7 08:34:53 UTC 2020 [ 5.291451] nvidia-gpu 0000:01:00.3: i2c timeout error e0000000 [ 5.291474] ucsi_ccg 0-0008: i2c_transfer failed -110 [ 5.291490] ucsi_ccg 0-0008: ucsi_ccg_init failed - -110 [ 5.291514] ucsi_ccg: probe of 0-0008 failed with error -110 [ 5.410031] kauditd_printk_skb: 35 callbacks suppressed [ 6.339748] Bluetooth: hci0: command 0xfc05 tx timeout [ 6.339765] Bluetooth: hci0: Reading Intel version information failed (-110) [ 6.339783] Bluetooth: hci0: Intel Read version failed (-110) [ 6.339807] Bluetooth: hci0: Intel reset sent to retry FW download [ 6.960249] Bluetooth: hci0: Bootloader revision 0.1 build 42 week 52 2015 [ 6.961209] Bluetooth: hci0: Device revision is 2 [ 6.961209] Bluetooth: hci0: Secure boot is enabled [ 6.961210] Bluetooth: hci0: OTP lock is enabled [ 6.961210] Bluetooth: hci0: API lock is enabled [ 6.961210] Bluetooth: hci0: Debug lock is disabled [ 6.961211] Bluetooth: hci0: Minimum firmware build 1 week 10 2014 [ 6.969280] Bluetooth: hci0: Found device firmware: intel/ibt-17-16-1.sfi [ 8.650286] Bluetooth: hci0: Waiting for firmware download to complete [ 8.651210] Bluetooth: hci0: Firmware loaded in 1652098 usecs [ 8.651287] Bluetooth: hci0: Waiting for device to boot [ 8.664214] Bluetooth: hci0: Device booted in 12689 usecs [ 8.667041] Bluetooth: hci0: Found Intel DDC parameters: intel/ibt-17-16-1.ddc [ 8.670247] Bluetooth: hci0: Applying Intel DDC parameters completed [ 8.672259] Bluetooth: hci0: Firmware revision 0.1 build 26 week 11 2020 [ 17.041132] Bluetooth: RFCOMM TTY layer initialized [ 17.041136] Bluetooth: RFCOMM socket layer initialized [ 17.041139] Bluetooth: RFCOMM ver 1.11 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1859592 Title: Bluetooth unavailable after updates - Reading Intel version information failed (-110) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1859592/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
