Hi Ulrich,
On Mon, Aug 23, 2021 at 04:29:42PM +0200, Ulrich Huber wrote:
> Hi,
>
> I'm using quite a new device (Lenovo Yoga 9 (14ITL5)) on ArchLinux with
> mainline kernel version 5.14.0-rc7 and run into the following error:
>
> ucsi_acpi USBC000:00: ucsi_handle_connector_change: GET_CONNECTOR_STATUS
> failed (-5)
>
> The device is charged using a USB-C cable and this error is related to
> attaching or detaching the power cable. Sometimes I can at-/detach the cable
> without this error showing, in other cases it appears once, and then I have
> cases where it floods my kernel log with one such message per second.
>
> Sometimes the above error is accompanied by this additional error:
>
> ucsi_acpi USBC000:00: UCSI_GET_PDOS failed (-5)
>
> I attached the kernel log and the information from `lsusb`. Feel free to
> request further logs, though I will most likely require some pointers on how
> to get them.
Thanks for the report. Can you test this with kernel v5.10?
I'm wondering if commit 217504a05532 ("usb: typec: ucsi: Work around
PPM losing change information") causes that GET_CONNECTOR_STATUS
failure.
thanks,
--
heikki
