On Sun, 2018-05-06 at 17:22 +0200, Laurent Bigonville wrote: > On Sat, 05 May 2018 20:01:45 +0100 Ben Hutchings <ben@decadent.org.uk> > wrote: > > On Fri, 2018-05-04 at 12:20 +1200, Ben Caradoc-Davies wrote: > > > On 04/05/18 11:52, Ben Caradoc-Davies wrote: > > > > - Pressing *any* key repeatedly is enough to eventually wake up the > > > > plymouth LUKS screen. For example, pressing Backspace many times. > > > > > > Even a modifier key is sufficient. Without input, the screen remains > > > blank indefinitely (with just a blinking cursor for "quiet" boot). > > > Pressing right Alt 11-18 times (varies from test to test) causes the > > > plymouth LUKS passphrase screen to appear. > > > > > > I have attached a photo of the screen for a boot with "quiet" removed > > > from and "plymouth.debug" added to the kernel command line. > > > > I wonder if this is related to the recent RNG changes. It seems that > > many programs have started using blocking RNG functions like > > getentropy(), and now that the kernel is more conservative in its > > initial entropy estimation they can block for a long time. Keyboard or > > mouse input adds entropy. > > > > At a guess, plymouth is starting the X server and the X server wants > > random bits for MIT-MAGIC-COOKIE authentication. > > Hello Ben, > > plymouth doesn't uses Xorg, it uses libdrm and KMS directly. Oh I see, I was confused by the existence of plymouth-x11. Ben. -- Ben Hutchings If more than one person is responsible for a bug, no one is at fault.
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