2023-11-21 01:15:29

by bugzilla-daemon

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Subject: [Bug 218142] Bluetooth adapter fails to recognize on kernel 5.15.0-88-generic

https://bugzilla.kernel.org/show_bug.cgi?id=218142

Kris Karas ([email protected]) changed:

What |Removed |Added
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CC| |[email protected]

--- Comment #2 from Kris Karas ([email protected]) ---
Given Artem mentioned 6.6.1 in comment 1, this bug might apply to me as well.

I have a regression going from mainline kernel 6.1.62 to 6.1.63, and also from
kernel 6.6.1 to 6.6.2; I can bisect if patch authors can't locate the relevant
commit. In the most recent kernels mentioned, bluetooth won't function.

Hardware: ASRock "X470 Taichi" motherboard - on board chipset.
lsusb: ID 8087:0aa7 Intel Corp. Wireless-AC 3168 Bluetooth.
dmesg: Bluetooth: hci0: Legacy ROM 2.x revision 5.0 build 25 week 20 2015
Bluetooth: hci0: Intel Bluetooth firmware file:
intel/ibt-hw-37.8.10-fw-22.50.19.14.f.bseq
Bluetooth: hci0: Intel BT fw patch 0x43 completed & activated
bluez: Version 5.70, bluez firmware version 1.2
Linux kernel firmware: 20231117_7124ce3

On a working kernel (such as 6.6.1), in addition to the dmesg output above, we
have this:
dmesg: Bluetooth: MGMT ver 1.22
Bluetooth: hci0: Bad flag given (0x1) vs supported (0x0)

On a failed kernel (such as 6.6.2), instead of the good output above, we have:
dmesg: Bluetooth: hci0: Opcode 0x0c03 failed: -110
Bluetooth: hci0: Opcode 0x0c03 failed: -110
...
repeats several times as bluez attempts to communicate with hci0.

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