On Wed, Aug 04, 2021 at 10:00:46AM +0200, Greg KH wrote: > Hi, > > I was doing some filesystem backups from one USB device to another one > this weekend and kept running into the problem of the xhci controller > shutting down after an hour or so of high volume traffic. > > I finally captured the problem in the kernel log as this would also take > out my keyboard, making it hard to recover from :) > > The log is below for when the problem happens, and then the devices are > disconnected from the bus (ignore the filesystem errors, those are > expected when i/o is in flight and we disconnect a device. > > Any hint as to what the IO_PAGE_FAULT error messages are? > > I'll go back to 5.13.y now and see if I can reproduce it there or not, > as my backups are not yet done... 5.13.7 seemed to work, but locked up overnight when running this same workload, so it is a bit worse. Let me split the USB devices across PCI devices and see if that helps...
