Bug 677345 - when resuming from suspend, desktop is visible before the session lock appears
when resuming from suspend, desktop is visible before the session lock appears
Product: Fedora
Classification: Fedora
Component: kde-workspace (Show other bugs)
x86_64 Linux
unspecified Severity medium
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Assigned To: Ngo Than
Fedora Extras Quality Assurance
: Triaged
Depends On:
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Reported: 2011-02-14 08:03 EST by Otso Helenius
Modified: 2013-02-13 18:15 EST (History)
11 users (show)

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Fixed In Version:
Doc Type: Bug Fix
Doc Text:
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Clone Of:
: 713640 (view as bug list)
Last Closed: 2013-02-13 18:15:27 EST
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oVirt Team: ---
RHEL 7.3 requirements from Atomic Host:
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External Trackers
Tracker ID Priority Status Summary Last Updated
KDE Software Compilation 246623 None None None 2012-06-30 16:54:29 EDT

  None (edit)
Description Otso Helenius 2011-02-14 08:03:07 EST
Description of problem:

when resuming from suspend, the desktop with all its contents before suspending are visible for a short moment before the screen goes blank and one is able to enter his/her password to the session lock window.

this poses a slight security risk as there is enough time to read parts of the content.

the kernel is, and the display adapter is Intel Corporation Core Processor Integrated Graphics Controller (rev 02) (prog-if 00 [VGA controller]) Subsystem: Lenovo Device 215a which is using kernel module i915. KDE version is 4.5.5.
Comment 1 Rex Dieter 2011-02-14 09:10:06 EST
bugs.kde.org is probably the best place for this.
Comment 2 Otso Helenius 2011-12-01 08:04:21 EST
Seems to happen also in Gnome: https://bugzilla.redhat.com/show_bug.cgi?id=713640

Also happening on F16
Comment 4 Xavier Hourcade 2012-06-30 09:06:19 EDT
Here might be the upstream bug ?

I am experiencing this in F16 KDE too. Recently thou, this has "evolved" here : now, the whole desktop is not visible any more, but instead, the list of current tasks are shown, covering the entire screen with some gray background (i.e. "user@host - Konsole" and "Whatever filename - Kate", etc.). So, it shows yet another strange view of the taskbar. This is 100% reproducible so far, every time I come back from suspend which I use at least once a day these days.

Note: maybe this coincides with my switch to smooth-taskbar, I didn't perform any further check or test on this issue.
Comment 5 Lukáš Tinkl 2012-07-02 07:02:06 EDT
Graphics card/driver? I've seen this before and it's most likely a graphics driver bug
Comment 6 Xavier Hourcade 2012-07-02 11:18:44 EDT
Fair enough, noVideo + proprietary driver distributed by fusion here :)

I will *not* test nouveau again with F16 on this hardware. Nouveau was an absolute no-go for me with first series of F16 stock kernels and mods, hence the switch at the time. However I will, of course, give it another go while moving to F17... or F18, and update the present report accordingly. Please do not close. Thanks.

(Asus V1S laptop)

# lspci | grep VGA
01:00.0 VGA compatible controller: nVidia Corporation G84 [GeForce 8600M GT] (rev a1)

# yum list installed kmod-nvidia
kmod-nvidia.x86_64     1:295.59-1.fc16.1     @rpmfusion-nonfree-updates
Comment 7 Fedora End Of Life 2013-01-16 14:23:35 EST
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Comment 8 Fedora End Of Life 2013-02-13 18:15:39 EST
Fedora 16 changed to end-of-life (EOL) status on 2013-02-12. Fedora 16 is 
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