This bug was fixed in the package linux-firmware - 1.173.9
---------------
linux-firmware (1.173.9) bionic; urgency=medium
* Missing bluetooth firmware for Intel Wireless-AC 9462/9560 (LP: #1834464)
- linux-firmware: Add firmware file for Intel Bluetooth AX201
* [Intel CyclonePeak] Can not turn on BT after turn off (via Hotkey)
(LP: #1835345)
- linux-firmware: Update firmware file for Intel Bluetooth 22161
- linux-firmware: Update firmware file for Intel Bluetooth 22161
* Bluetooth: hci0: request failed to create LE connection: status 0x0c
(Intel 9260) (LP: #1835449)
- linux-firmware: Update firmware file for Intel Bluetooth, 9260
* Update firmware in nic-firmware udeb for 5.0 hwe kernel (LP: #1836372)
- Update nic-firmware.lst for 5.0 hwe kernel
-- Seth Forshee <seth.fors...@canonical.com> Fri, 12 Jul 2019 09:55:49
-0500
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https://bugs.launchpad.net/bugs/1835345
Title:
[Intel CyclonePeak] Can not turn on BT after turn off (via Hotkey)
Status in HWE Next:
New
Status in linux-firmware package in Ubuntu:
Fix Released
Status in linux-firmware source package in Bionic:
Fix Released
Status in linux-firmware source package in Disco:
Fix Released
Bug description:
[Impact]
BT fails to enable again after disabled it by hotkey with the following
message
Bus 001 Device 004: ID 8087:0029 Intel Corp.
[248987.643125] usb 1-10: device descriptor read/64, error -110
[249003.247721] usb 1-10: device descriptor read/64, error -110
[249003.483611] usb 1-10: reset full-speed USB device number 4 using xhci_hcd
[249018.855466] usb 1-10: device descriptor read/64, error -110
[249034.467589] usb 1-10: device descriptor read/64, error -110
[249034.703574] usb 1-10: reset full-speed USB device number 4 using xhci_hcd
[249045.299399] usb 1-10: device not accepting address 4, error -62
[249045.427510] usb 1-10: reset full-speed USB device number 4 using xhci_hcd
[249050.675715] usb 1-10: Device not responding to setup address.
[249050.883541] usb 1-10: device not accepting address 4, error -71
[Fix]
Found the updated firmware fixes the issue
[Test]
Verify on the machine couple days, and can't duplicate the issue anymore.
[Regression Potential]
Low, the system keeps running for 5 days, and pass s3 tests 30 times,
everything works well.
[Misc]
The firmware for the wifi/bt card is intel/ibt-20-0-3.*, but
intel/ibt-20-0-4.* have identical md5sum. To avoid the following new cards
require the new fw_revision, so SRU both of them.
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