+++ This bug was initially created as a clone of Bug #1036257 +++
Description of problem:
The problem always occur after the screen wakes up from power saving mode. The screen is either a corrupted/jumbled login screen or the desktop is visible even with the mouse pointer moveable but no interaction or login prompt.
Version-Release number of selected component (if applicable):
i7-4600U w/ HD graphics 4400
(from lspci) Intel Corporation Haswell-ULT Integrated Graphics Controller (rev 0b)
Steps to Reproduce:
Allow screen to enter power saving mode
xset dpms force off ; cinnamon-screensaver-command -a
cinnamon-screensaver-command -a ; xset dpms force off
Entering in the user password in the blind and hitting enter
Close and open the laptop to force suspend and resume
Switching to a text console and back (ctl-alt-F2, ctl-alt-F1)
Running "xset dpms force off" and "cinnamon-screensaver-command -a" individually do not cause an issue.
I pulled xorg-x11-drv-intel-2.99.914-1.fc22.src.rpm from rawhide, rebuilt it for fc20 (no changes required), and the screen corruption disappeared.
It seems like some strange interaction between the screensaver and screen sleep mode (or wake-up), but the good news is it looks like whatever the issue is, it was fixed upstream at some point in the last year.
Is it possible to rebase xorg-x11-drv-intel to 2.99.x in FC20 or do we need to narrow it to the specific change?
I'm experiencing the same issue on an ATI/AMD card using opensource drivers.
The problem is random and can't reproduce it. Also screenshot images don't show the screen corruption.
Next time I'll take a picture using my phone.
I am also seeing corruption in two configurations:
F20 - Radeon HD 6450 - 3.18.5-101.fc20.x86_64
F21 - Intel GMA 4500
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