please reopen if this is still an issue
** Changed in: systemd (Ubuntu)
Status: Confirmed => Invalid
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Title:
Lid-close suspend: blank
This issue does not seem to occur when compiling XFCE Settings Mnaager
without UPower as per my findings here:
https://gitlab.xfce.org/xfce/xfce4-settings/-/issues/222
** Bug watch added: gitlab.xfce.org/xfce/xfce4-settings/-/issues #222
https://gitlab.xfce.org/xfce/xfce4-settings/-/issues/222
** Changed in: xubuntu-default-settings (Ubuntu)
Importance: Undecided => High
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Title:
Lid-close suspend: blank screen when switching to user
Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: xubuntu-default-settings (Ubuntu)
Status: New => Confirmed
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Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: systemd (Ubuntu)
Status: New => Confirmed
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Title:
Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: xfce4-settings (Ubuntu)
Status: New => Confirmed
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** Information type changed from Public to Public Security
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Title:
Lid-close suspend: blank screen when switching to user session
To manage
Tested with the 19.10 daily (2019-06-22) amd64 build and the problem
affects the live environment too.
Set x-p-m Lid Close action on battery to suspend and the 2nd lid close
cycle results in DPMS=off when the GUI TTY is active.
As in comment #15 I monitored the LVDS DPMS state whilst switching
I modified libxrandr to return the actual error code returned from
XRRSetCrtcConfig():
--- libxrandr-1.5.1.orig/src/XrrCrtc.c
+++ libxrandr-1.5.1/src/XrrCrtc.c
@@ -155,9 +155,10 @@ XRRSetCrtcConfig (Display *dpy,
req->mode = mode;
req->rotation = rotation;
Data32 (dpy, outputs,
Added:
Description: Loop delay on CRTc config failure
--- xfce4-settings-4.13.4.orig/xfsettingsd/displays.c
+++ xfce4-settings-4.13.4/xfsettingsd/displays.c
@@ -1256,10 +1256,17 @@ xfce_displays_helper_apply_crtc (XfceRRC
ret = xfce_displays_helper_disable_crtc (helper, crtc->id);
The reason the CRTC isn't configured:
(xfsettingsd:1694): xfsettingsd-WARNING **: 15:02:36.290: Failed to
configure CRTC 79 XRRSetCrtcConfig()=3.
This due to my patch:
--- xfce4-settings-4.13.4.orig/xfsettingsd/displays.c
+++ xfce4-settings-4.13.4/xfsettingsd/displays.c
@@ -1265,7 +1265,7 @@
I've captured a log where it doesn't fail. The difference is a single
error message. In failing sessions there is an additional "Failed to
configure CRTC..." which is not seen here:
xfce4-settings(displays): UPower lid event received (closed -> open).
xfce4-settings(displays): Toggling internal
This seems to be the crux of the issue. In a VT console I did:
DISPLAY=:0 XFSETTINGSD_DEBUG=1 xfsettingsd --replace --no-daemon
and the did the usual lid-close->resume cycle and found:
xfce4-settings(displays): UPower lid event received (open -> closed).
xfce4-settings(displays): Toggling
Finally found some evidence and it is surprising.
I added /usr/local/bin/xfce4-power-manager:
#!/bin/sh
exec /usr/bin/xfce4-power-manager --debug
and logged in as normal. Confirmed x-p-m is writing debug messages.
Closed the lid, it suspended, opened lid and tap key to resume as per
usual.
Yet more results changing the target once again!
I was able to reproduce the issue whilst using sddm which tends to
suggest lightdm may not be the cause.
I also managed to prove (not sure why this did not occur to me before
now!) that the DPMS state is being set 'off' when switching to the GUI
maxpus=1 still suffers the same issue.
I then disabled and stopped the upower daemon but the issue remains with
the only common factors being systemd-logind and lightdm.
I tried console-only tests with lightdm stopped and CANNOT reproduce the
issue.
I installed sddm and changed the default
I purged both xfce4-screensaver and light-locker packages, restarted
lightdm and tested with x-p-m set to suspend on lid-close for battery
(and AC as I've had the battery exhaust several times due to the length
of these tests!)
In this case there is no password challenge dialog on resume.
It
On brainwash's suggestion (IRC #xubuntu-devel) I disabled UPower's Lid
handling with /etc/UPower/UPower.conf:
IgnoreLid=true
After six suspend-resume cycles this does seem to have prevented the issue.
*However* I then noticed that in the x-p-m dialog, General tab, the
options to control the
Update: Disabling x-p-m Security > Lock screen when system is going to
sleep causes the LCD to be blank resume for the 1st cycle.
This definitely feels like some weird interaction with x-p-m, light-
locker, and logind.
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And it gets weirder... with supend-lock disabled AND leaving x-p-m
dialog box on screen whilst suspending the LCD always gets enabled on
resume!
I tried leaving other application windows open but those don't have the
same effect.
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I've done some more tests with another clean install of 19.04; The only
user setting I changed was on x-p-m for Laptop Lid Closed, On Battery =
suspend.
1st suspend=resume cycle is fine; user session re-appears after
unlocking with password
*BUT*
2nd suspend-resume cycle turns the LCD panel off
Launchpad has imported 2 comments from the remote bug at
https://bugzilla.xfce.org/show_bug.cgi?id=15151.
If you reply to an imported comment from within Launchpad, your comment
will be sent to the remote bug automatically. Read more about
Launchpad's inter-bugtracker facilities at
More search seems to point to a 2015 commit that integrated light-locker
into xfce4-power-manager. This patch in particular appears to attempt to
work with logind Lid handling too:
commit 10076da7caa49320b3e907d319a9f27ee6702969
Author: Sean Davis
Date: Sat Feb 7 11:49:31 2015 +0300
Light
To check on current systemd-logind properties including these:
$ loginctl -a show-session
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Title:
Lid-close suspend: blank screen when
** Bug watch added: Xfce Bugzilla #15151
https://bugzilla.xfce.org/show_bug.cgi?id=15151
** Also affects: systemd via
https://bugzilla.xfce.org/show_bug.cgi?id=15151
Importance: Unknown
Status: Unknown
** Changed in: xfce4-power-manager (Ubuntu)
Status: New => Confirmed
Turns out this *is* systemd-logind and xfce4-power-manager fighting over
the lid close event.
It can be solved with:
echo "HandleLidSwitch=ignore" | sudo tee -a /etc/systemd/logind.conf
echo "HandleLidSwitchExternalPower=ignore" | sudo tee -a
/etc/systemd/logind.conf
If you're doing this
Just having upgraded several laptops to 19.04 and been hit by this
again. Did some more research and revisited my upstream report and
suspect this is caused by some interaction with the power manager and
possibly systemd-logind (maybe they both try to set DPMS state for lid-
close/open events? )
Same problem here in a fresh install of Xubuntu 18.04 on a Lenovo T61.
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Title:
Lid-close suspend: blank screen when switching to user session
Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: light-locker (Ubuntu)
Status: New => Confirmed
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** Changed in: light-locker
Status: Unknown => New
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Title:
Lid-close suspend: blank screen when switching to user session
To manage
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