On Tue, May 28, 2019 at 7:15 PM Jiri Kosina <jikos@xxxxxxxxxx> wrote: > > On Tue, 28 May 2019, Dave Hansen wrote: > > > I have a system that works fine on 5.1. When updating to 5.2-rc1, it > > hangs at boot waiting on an instance of systemd-udevd. The kernel > > backtrace (https://photos.app.goo.gl/EV8rf7FofWouvdeE8) looks like it's > > doing an finit_module() that dives into the hid code and is waiting on a > > request_module(). > > Dave, > > thanks for the report. > > Just to confirm -- I guess reverting 4ceabaf79 and a025a18fe would work > this around, right? > It would be also interesting to know which distribution and which systemd version you are running (if you are on systemd). This rings a bell as I recall playing with request_module/request_firmware a while ago, but Hans convinced me that no such delay would be induced. Cheers, Benjamin