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

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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?

-- 
John

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Thread

Xfce4: screen visible upon resume before xscreensaver locks it Celejar <celejar@gmail.com> - 2022-02-22 15:20 +0100
  Re: Xfce4: screen visible upon resume before xscreensaver locks it John Crawley <john@bunsenlabs.org> - 2022-02-23 04:00 +0100
    Re: Xfce4: screen visible upon resume before xscreensaver locks it John Crawley <john@bunsenlabs.org> - 2022-02-23 05:40 +0100
      Re: Xfce4: screen visible upon resume before xscreensaver locks it Tim Woodall <debianuser@woodall.me.uk> - 2022-02-23 20:10 +0100
    Re: Xfce4: screen visible upon resume before xscreensaver locks it Celejar <celejar@gmail.com> - 2022-02-23 20:30 +0100

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