On Tue, May 15, 2018 at 04:34:03PM +0200, Paul Menzel wrote: > Dear Linux folks, > > > Linux 4.17-rc5 shows the error below on the Dell XPS 13 9370 with Debian > Sid/unstable. > > ``` > […] > [ 0.440240] usb: port power management may be unreliable > [ 0.441358] usbcore: registered new interface driver usb-storage > [ 0.441367] usbcore: registered new interface driver usbserial_generic > [ 0.441369] usbserial: USB Serial support registered for generic > [ 0.441383] ioremap error for 0x3f799000-0x3f79a000, requested 0x2, got > 0x0 > [ 0.441518] ucsi_acpi: probe of USBC000:00 failed with error -12 > […] > ``` > > 1. Are the ioremap and ucsi_acpi error related or is a separate report > needed?
The ioremap error is what causes ucsi_acpi to fail the probe call (-12 is "out of memory".) > 2. Do you know the reason for the ucsi_acpi error? the call to ioremap failed. Does this device really have a working typec connector? Does normal USB devices work with it? thanks, greg k-h
