On Tue, Dec 08, 2020 at 09:18:08AM +0100, Paul Menzel wrote: > Dear Linux folks, > > > On a Dell Precision 3540/0M14W7, BIOS 1.9.1 07/06/2020 > > $ lspci -nn | grep -i usb > 00:14.0 USB controller [0c03]: Intel Corporation Cannon Point-LP USB 3.1 > xHCI Controller [8086:9ded] (rev 30) > 3a:00.0 USB controller [0c03]: Intel Corporation JHL6340 Thunderbolt 3 > USB 3.1 Controller (C step) [Alpine Ridge 2C 2016] [8086:15db] (rev 02) > > at each boot Linux 5.6 to 5.9 logs the error below. > > [ 95.528190] usb usb1-port10: disabled by hub (EMI?), re-enabling... > > Everything seems to be fine, so I wonder, why this is level error. Is it a > hardware error? Yes, it is a hardware issue. thanks, greg k-h
