@mruffell > Reproduced on the test kernel? The one that I built in the ppa?
Yes 100% sure, took the laptop out of suspend on both kernels. > We need to know what device is plugged into "port 2" of that hub, i.e. "usb 4-2". Can you try determine what the device is? Believe me I've tried. Have identified the function of every other host controller on the system except for the one marked *-usbhost:1 in the attached lshw bus output, which is also the origin of the error. All my inserted devices (USB & Card Reader) appear on the *-usbhost:0 branch. The laptop has a single USB 3.0 port, but when a device is inserted it always appears on the USB 2.0 controller. Even Windows 10 seems to have trouble loading drivers for this, so maybe some hardware wasn't made to spec. If there was something on the system that was actually malfunctioning then I might have more to go on. ** Attachment added: "lshw-usb.txt" https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1856608/+attachment/5402349/+files/lshw-usb.txt -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1856608 Title: [Regression] usb usb2-port2: Cannot enable. Maybe the USB cable is bad? To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1856608/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
