On Thu, 7 Nov 2019 14:39:41 +0100, Jean Delvare wrote: > On Wed, 23 Oct 2019 17:20:16 +0300, Laurent Pinchart wrote: > > Is this before or after the uvcvideo driver gets involved ? One easy way > > to check is to move the uvcvideo.ko module out of the way so that it > > doesn't get loaded automatically (or just blacklist it in > > /etc/modprobe.d/) and then plug the camera. > > I did as you suggested and it turns out that the "reset high-speed USB > device" messages are not printed originally, they start being printed > right after the uvcvideo kernel driver gets loaded. So that would be a > problem with the uvcvideo driver? > > When unloading the uvcvideo driver, there's one more "reset high-speed > USB device" message and then no more. One more data point: the log flood happens when the uvcvideo driver is loaded but the webcam is unused. If I start e.g. cheese, it takes a long time to start but once started, the log flood stops. As soon as I stop cheese, the log flood starts again. -- Jean Delvare SUSE L3 Support