Thread (7 messages) 7 messages, 3 authors, 2022-01-03

5.16.0-rc7+ Bluetooth error

From: Chris Clayton <hidden>
Date: 2021-12-30 09:21:47
Also in: lkml

Hi,

I pulled the latest changes into my clone of Linus' tree and built and installed the kernel. (git describe gives
v5.16-rc7-9-ge7c124bd0463). I'm seeing errors reported by the bluetooth subsystem that i don't see in 5.15.12 or 5.10.89

The problem seems to occur twice during system startup and on each occasion I see a batch of identical error messages:

[    3.980822] Bluetooth: hci0: Failed to read codec capabilities (-56)
[    3.982812] Bluetooth: hci0: Failed to read codec capabilities (-56)
[    3.984812] Bluetooth: hci0: Failed to read codec capabilities (-56)
[    3.986608] Bluetooth: hci0: Failed to read codec capabilities (-56)
[    3.987621] Bluetooth: hci0: Failed to read codec capabilities (-56)
[    3.988606] Bluetooth: hci0: Failed to read codec capabilities (-56)
[    3.989650] Bluetooth: hci0: Failed to read codec capabilities (-56)

A full dmesg log is attached. I've also attached Two files containing the output from "lsusb -v" run on 5.10.89 and
5.16-rc7.

Please let me know if I can provide any other diagnostic information or test any patches. You'll need to cc me on
replies because I'm not subscribed to LKML or linux-bluetooth.

Thanks

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