Hi Paul, On Mon, Sep 12, 2022 at 03:36:09PM +0200, Paul Menzel wrote: > Dear Linux folks, > > On a Dell XPS 13 9360/0596KF, BIOS 2.21.0 06/02/2022, connect a Dell DA300 > to the only USB Type-C port on the left side (with a network cable connect), > Linux logs the warnings below: > [ 18.895120] ucsi_acpi USBC000:00: UCSI_GET_PDOS returned 0 bytes This warning you already reported [1]. I will send a patch for this once I'm sure I understand what's going on. I'm fairly sure I now know what is causing that, but I will still run a few more tests to be absolutely sure. The warning is in any case not critical. [1] https://lore.kernel.org/linux-usb/726661bf-b95f-02fc-e7c5-c222820ee257@xxxxxxxxxxxxx/ -- heikki
