Hi Jakub On Thu, 2021-09-16 at 13:27 -0700, Jakub Kicinski wrote: > Hi, > > looks like my Bluetooth stopped working after upgrade to linux-next > as of yesterday (next-20210915). Is this a known problem? > > [ 19.594522] Bluetooth: hci0: Bootloader revision 0.1 build 42 week 52 2015 > [ 19.595515] Bluetooth: hci0: Device revision is 2 > [ 19.595517] Bluetooth: hci0: Secure boot is enabled > [ 19.595517] Bluetooth: hci0: OTP lock is enabled > [ 19.595518] Bluetooth: hci0: API lock is enabled > [ 19.595519] Bluetooth: hci0: Debug lock is disabled > [ 19.595520] Bluetooth: hci0: Minimum firmware build 1 week 10 2014 > [ 19.661829] Bluetooth: hci0: Found device firmware: intel/ibt-17-16-1.sfi > [ 19.661924] Bluetooth: hci0: Boot Address: 0x40800 > [ 19.661925] Bluetooth: hci0: Firmware Version: 6-12.21 > [ 21.971023] Bluetooth: hci0: command 0xfc09 tx timeout > [ 29.970995] Bluetooth: hci0: Failed to send firmware data (-110) > [ 29.971108] Bluetooth: hci0: sending frame failed (-19) > [ 29.971119] Bluetooth: hci0: Intel reset sent to retry FW download > [ 30.123040] Bluetooth: hci0: sending frame failed (-19) > [ 32.097392] Bluetooth: hci0: command 0xfc1e tx timeout > [ 32.097408] Bluetooth: hci0: Failed to read MSFT supported features (-110) > > I think it's part of: > > 00:14.3 Network controller: Intel Corporation Cannon Point-LP CNVi [Wireless-AC] (rev 30) I don't think it was known issue to me. What was your previous kernel before switching to next-20210915? Also, do you still have a problem after cold reboot the system? (completely shutdown and wait some seconds before start). >From the log above, the command (0xfc09) is failing which the device may in the weird state. Regards, Tedd
