(In reply to Itai Danan from comment #4) > Both GRUB and the BIOS seem to be working fine, at least they work and > respond. Only OpenSUSE 42.1 stops booting with the device plugged in. With > 13.2 before, I did not have that issue. > > Maybe this will give a hint: When the machine boot successfully - so without > an extra USB device - I still get an error but the system boots. It says: > > usb can't set config error -28 > > Otherwise, I did try what you suggested and you are right. I get a lot of > kernel output when booting without initrd. What should I look for in there > that could help? For some reason, having initrd supresses the output, even > without the quiet flag. > > Thanks in advance. Sorry, mistyped the error message. It says: usb 1-2.4: can't set config #1, error -28