Bug#882027: systemd: black screen after waking up from suspend to RAM

[Michael Biebl]

Am 17.11.2017 um 19:24 schrieb Torsten Boese:
> Package: systemd
> Version: 232-25+deb9u1
> Severity: normal
> 
> Dear Maintainer,
> 
> after freshly installing debian stretch i ahd the following issue after resume from suspend to RAM:
> 
> The screen is just black but the PC is reachable via ssh. By switching to a terminal via Ctrl-Alt-F2 (as example) nothing happened. By pressing Ctrl-Alt-Del permanently the screen is "blinking". Blinking means fast switching between terminal prompt and black Screen. In my opinion it's switching very fast.
> htop shows that dbus, lightdm and the X-Server have a load of nearly 30 percent of my Athlon II X4 CPU. Normally it should be around 1%. If I try to kill lightdm the process randomly starts immediately again or will not die (not reproducible). 
> The reason why I'm thinking the problem is located to systemd is the output of Xorg:
> --------------------
> torsten at TB:/var/log$ cat Xorg.1.log
> [  3771.193] 
> X.Org X Server 1.19.2
> Release Date: 2017-03-02
> [  3771.193] X Protocol Version 11, Revision 0
> [  3771.193] Build Operating System: Linux 4.9.0-4-amd64 x86_64 Debian
> [  3771.193] Current Operating System: Linux TB 4.9.0-4-amd64 #1 SMP Debian 4.9.51-1 (2017-09-28) x86_64
> [  3771.193] Kernel command line: BOOT_IMAGE=/vmlinuz-4.9.0-4-amd64 root=UUID=04178ea8-f272-449b-8a8d-3f7b3c59f19d ro quiet
> [  3771.193] Build Date: 16 October 2017  08:19:45AM
> [  3771.193] xorg-server 2:1.19.2-1+deb9u2 (https://www.debian.org/support) 
> [  3771.193] Current version of pixman: 0.34.0
> [  3771.193]    Before reporting problems, check http://wiki.x.org
>         to make sure that you have the latest version.
> [  3771.193] Markers: (--) probed, (**) from config file, (==) default setting,
>         (++) from command line, (!!) notice, (II) informational,
>         (WW) warning, (EE) error, (NI) not implemented, (??) unknown.
> [  3771.193] (==) Log file: "/var/log/Xorg.1.log", Time: Tue Oct 31 13:34:03 2017
> [  3771.193] (==) Using system config directory "/usr/share/X11/xorg.conf.d"
> [  3771.194] (==) No Layout section.  Using the first Screen section.
> [  3771.194] (==) No screen section available. Using defaults.
> [  3771.194] (**) |-->Screen "Default Screen Section" (0)
> [  3771.194] (**) |   |-->Monitor "<default monitor>"
> [  3771.194] (==) No monitor specified for screen "Default Screen Section".
>         Using a default monitor configuration.
> [  3771.194] (==) Automatically adding devices
> [  3771.194] (==) Automatically enabling devices
> [  3771.194] (==) Automatically adding GPU devices
> [  3771.194] (==) Max clients allowed: 256, resource mask: 0x1fffff
> [  3771.194] (WW) The directory "/usr/share/fonts/X11/cyrillic" does not exist.
> [  3771.194]    Entry deleted from font path.
> [  3771.194] (==) FontPath set to:
>         /usr/share/fonts/X11/misc,
>         /usr/share/fonts/X11/100dpi/:unscaled,
>         /usr/share/fonts/X11/75dpi/:unscaled,
>         /usr/share/fonts/X11/Type1,
>         /usr/share/fonts/X11/100dpi,
>         /usr/share/fonts/X11/75dpi,
>         built-ins
> [  3771.194] (==) ModulePath set to "/usr/lib/xorg/modules"
> [  3771.194] (II) The server relies on udev to provide the list of input devices.
>         If no devices become available, reconfigure udev or disable AutoAddDevices.
> [  3771.194] (II) Loader magic: 0x56061c9d1e00
> [  3771.194] (II) Module ABI versions:
> [  3771.194]    X.Org ANSI C Emulation: 0.4
> [  3771.194]    X.Org Video Driver: 23.0
> [  3771.194]    X.Org XInput driver : 24.1
> [  3771.194]    X.Org Server Extension : 10.0
> [  3771.198] (++) using VT number 8
> 
> [  3771.198] (II) systemd-logind: logind integration requires -keeptty and -keeptty was not provided, disabling logind integration

Well, it seems you are *not* using logind/systemd, maybe that is
actually your problem? You might try using systemd-logind.


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