Re: Xfce4: screen visible upon resume before xscreensaver locks it

[Celejar <celejar@gmail.com>]

On Wed, 23 Feb 2022 11:50:54 +0900
John Crawley <john@bunsenlabs.org> wrote:

> On 22/02/2022 23:12, Celejar wrote:
> > Hello,
> > 
> > I'm running Xfce4 on a recent install of Sid. I have configured Xfce4
> > to "Lock screen before sleep" (in Session and Startup / General), but
> > when I use xscreensaver, when resuming from suspend the screen is often
> > visible for a brief period before xscreensaver kicks in. I have not
> > seen this problem when using light-locker. 
> >...
> > I can't make out whether I have misconfigured something here, or
> > whether this is a serious security bug in the current Xfce4 -
> > xscreensaver integration.
> 
> I can't shed any light on the cause, but can report I see the same
> thing on a non-xfce system. I'm using lightdm and light-locker, then
> openbox, although am using some xfce utilities.
> 
> Usually when booting up a flash of the previous user desktop is shown
> before the login window. Agreed, this is not desirable at all. The only
> possible culprit I can think of is xfdesktop4 - can you try booting to
> a session with that disabled?

Thanks for the suggestions - if I manage to do that, I'll report back
with the results.

Celejar