On Mon, 11 Mar 2019, Harutyun Khachatryan wrote: > I have an old Toshiba Sattelite laptop with usb hub device 'Intel > Corporation 7 Series/C210 Series Chipset Family USB Enhanced Host > Controller'. For kernel version >= 4.15 it doesn't recogonize and power > on any usb device when other usb device already attached during system > boot. I have seen the same behaviour on Ubuntu 18.04 and Fedora 29. Does the laptop work with earlier kernel versions? Please post a dmesg log showing what happens during boot and when you plug in a device after boot. Alan Stern
