Hi,
this happens to me also in Ubuntu 13.04. Sometimes it happens when the
screensaver is active, but sometimes it happens even when I'm working with the
computer. In the second case I can go to console and restart the lightdm
service, but in the first case I have to REISUB to make things work
Hi there,
two days ago I started a new job and was allowed to install a Linux
distribution of my liking on a Fujitsu machine with Core i3. I chose the
64bit Xubuntu 12.04 LTS version and tweaked it by running compiz and
avant-window-navigator.
The software setup is basically identical to the
Unfortunately it won't work. While I was watching a movie on the
browser, I stopped it and left, when I came back screen froze, I had to
restart my laptop manually. It might be a flash issue
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The same bug affects me, no fix yet?
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Title:
Natty Screensaver freezes system after some period of inactivity
To manage notifications about this
kenn,
you can try this, it fixed my problem but I'm not sure whether it's related to
this bug or
not...
edit /etc/X11/xorg.conf and insert:
Section ServerFlags
Option BlankTime 0
Option StandbyTime 0
Option SuspendTime 0
Option OffTime 0
EndSection
logoff / login
Thank you Ste! I did what you wrote, I hope it works. I ll post the
result.
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Title:
Natty Screensaver freezes system after some period of
** Changed in: gnome-screensaver (Ubuntu)
Assignee: Chris Coulson (chrisccoulson) = (unassigned)
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Title:
Natty Screensaver freezes system
12.04.
Its still here, and annoying as always.
Using Intel 3000HD on a Core i5.
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Title:
Natty Screensaver freezes system after some period of
If you're using the radeon driver, please look at bug 914773.
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Title:
Natty Screensaver freezes system after some period of inactivity
To manage
Just like appier, I have experienced this with Xubuntu 11.10 too. I'm
therefore not in a hurry to blame Compiz. I moved to Xubuntu because my
performance with the regular Ubuntu / Unity mix on one PC led to
slowdowns (fewer complete lockups).
I'm trying the power management tricks, as I think
Notice most comments are about Natty however I experience the same
problem in Lynx especially if I select F-Spot pictures or just Pictures
as the screen saver. I've run Hypertorus for hours without a lock up.
When it locks I have to shut down to clear. Tried backing up two or
three kernels to no
Like the other person above, I have installed Ubuntu 11.10 on the Intel
Core i72600 (SandyBridge), but I am using the integrated graphics.
Running into exactly the same problem in both the Unity and Xubuntu
Desktops.
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Running Ubuntu 11.10 (upgraded from 11.04) 64-bit on Intel Core i7 2600
(SandyBridge). I am not using the integrated graphics but using ATI
Radeon HD 5450. Random freezes occurring while trying to unlock from
locked screen. Initially could use Ctrl+Alt+F1 to get a console. Tried
to kill my
** Attachment added: syslog
https://bugs.launchpad.net/ubuntu/+source/gnome-screensaver/+bug/762918/+attachment/2582404/+files/syslog
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Title:
I've got the problem too. Looks like a segfault in gnome-screensaver or
libcairo.
1) lsb_release -rd
Description: Ubuntu 11.10
Release: 11.10
2) apt-cache policy gnome-screensaver
Installed: 3.2.0-0ubuntu1
Candidate: 3.2.0-0ubuntu1
Version table:
*** 3.2.0-0ubuntu1 0
500
Recently, this problem occurs on and off (randomly). Can't really say what
causes it.
Ctrl+Alt+Bkspace fixes it.
I'm running GLMatrix as my screensaver.
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https://bugs.launchpad.net/ubuntu/+source/gnome-screensaver/+bug/762918/comments/4
That's wrong for me, even with blank selected it crashed.
https://bugs.launchpad.net/ubuntu/+source/gnome-screensaver/+bug/762918/comments/82
Worked for me so far, thanks.
This even boosts some effects and
Disabling 'sync to vblank' hasn't worked for me at all. Certain
screensavers (Fuzzy Flakes, GLText, and occasionally AntSpotlight,
GLBlur, and possibly one or two others) keep crashing while others seem
to be fine. I'm at a loss at this point.
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I am also experiencing this bug on 11.04 (2.6.38-10-generic) with a
i3-2100. I'm using the onboard video (vga).
Looking in /var/log/Xorg.0.log.old I see alot of these messages:
[100341.245] (WW) intel(0): intel_uxa_prepare_access: bo map failed:
Input/output error
with one:
[100341.184] (II)
Running Ubuntu 11.04 (64 Bit, up to date for today's date) on a Sandy
Bridge System (using CPU-integrated graphics) I also discover bevhaviour
like reported here, but in variations. After recommend here to provoke
bug, I set screen saver (blank) timeout to 1 minute, the same with
energy saving of
** Attachment added: Error output of xwiningo during locked screen.
https://bugs.launchpad.net/ubuntu/+source/gnome-screensaver/+bug/762918/+attachment/2223406/+files/xwininfo_all.png
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Eureka!
I think that comment #82 by Aitor Guevara has solved my freezes too.
Aitor Guevara (aitorciki) wrote on 2011-07-17: #82
https://bugs.launchpad.net/acpi/+bug/762918/comments/82
At least I've been without freezes for more than 50+ hours, after
applying his very simple guidelines.
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.23.
Architecture: amd64
ArecordDevices:
List of CAPTURE Hardware Devices
card 0: Intel [HDA Intel], device 0: ALC272X Analog [ALC272X Analog]
Subdevices: 1/1
Subdevice #0: subdevice #0
AudioDevicesInUse:
USER
My two cents:
I have the same black screen after resuming with an Intel Arrandale (i5)
chipset using Compiz. System is not frozen, it's just the screen not
coming back to live.
I've tried many things proposed in this and other threads, notably:
- upgrading the kernel to 2.6.39.0
- applying a
I updated my kernel to 2.6.38-10, which I had hoped would eliminate the
problem, but I just had the same freeze while the fuzzy flakes
screensaver was on. Going to Ctrl-Alt-F1 and using the command:
$killall gnome-screensaver
did not do anything at all. I haven't tried any other fixes yet. I use
I also get the screen freeze often at the screensaver
This has worked for me more than once:
I go into Ctrl+Alt+F6 and login,
View processes as tree with e.g. sudo htop,
Find compiz processes under which are the unity window decorator and such
Kill it and go back to Ctrl+Alt+F7
Windows
Hello !
Now i saved a log after my screensaver has slowed down my pc (it doesn't
crashed but just slow down) with method of Pedro Villavicencio.
I hope it is useful.
Bye
Francesco bat
** Attachment added: gs-debug.txt
Hola Pedro. My computer freezes around 1 to 4 times a day. Hope the
following helps.
This is the content of gs-debug.txt:
cat gs-debug.txt
[gs_debug_init] gs-debug.c:106 (13:37:12): Debugging enabled
[main] gnome-screensaver.c:87 (13:37:12):initializing gnome-screensaver
2.30.2
The question is that i don't think the pc freezes really.
The screen saver is slow and crashes but the computer continues to work in
background.
The other day i saw my screensaver stopped and under the screen appeared popups
of Opera that warned me for news emails.
Then if i stop the
** Changed in: gnome-screensaver (Ubuntu)
Assignee: (unassigned) = Chris Coulson (chrisccoulson)
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Title:
Natty Screensaver freezes system
Francesco bat,
That is true, the PC does not completely freeze. The arrow of the mouse
moves well, but the mouse clicks are not registered.
The keyboard doesn't work either (apart from the key combinations to
open consoles like CTRL + Alt + F1).
Also chat programs like XChat keep registering
Thanks for the report, could somebody please get a gnome-screensaver log
? Please execute these commands:
gnome-screensaver-command --exit
gnome-screensaver --no-daemon --debug gs-debug.txt
Reproduce the issue and attach that resulting log file to the report,
please only attach the log if
Jimmy,
I tried your solution, and I have had mixed results. It seems like it
doesn't lock up as much, but I have had it lock up after making the
change. It is hard to tell if the lock ups were caused by something
else or if this only partially solved the problem.
Here is the detailed
This exactly looks like the problem I experienced with fullscreen
dosbox. In dosbox the solution was to change the config file from direct
to opengl. I'm not sure if this is useful, but maybe.
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I am removing myself from following this bug, as I am no longer using
the computer that I originally experienced it on, and have decided to
change distros on that machine's replacement.
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From the article in the previous comment it looks like this might be a
duplicate of bug #740126. Plenty of discussion and investigation going
on there.
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Much people may think that this is a memory or HD problem.
And some of them could buy another computer for this. Mainly people
with an older model.
If it is really a kernel problem as I said two messages above, they
might well wait for the (Canonical) update.
I hope this come soon.
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Same problem here, I have a Intel X3100 Graphics Card.
In this page:
http://ubuntuguide.net/ubuntu-11-04-upgrade-linux-kernel-to-2-6-39-0
They say that the linux kernel should be upgraded from 2.6.38-8 to
2.6.39.0 to solve the problem.
Is it advisable to make the upgrade?
Or is it better to
** Changed in: xserver-xorg-video-intel
Status: New = Confirmed
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Title:
Natty Screensaver freezes system after some period of inactivity
I have tried installing driconf and turned synchronization with vertical
refresh off completely. I havn't seen this issue since.
Does anyone have similar experiences?
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I have this bug on an Intel Mobile 4 card.
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Title:
Natty Screensaver freezes system after some period of inactivity
To manage notifications
I have multiple users myself, my wife and kids, when it happens to me and i
ctrl-alt-f1 I can get in, I switch to graphic mode and then
the login screen pops up, if I login as anyone else in the family I can get in
but if i try to login as myself it either pops up the
login screen again or blank
This might be interesting for anyone suffering from this issue:
https://bugzilla.kernel.org/show_bug.cgi?id=27892
The thread also contains a patch for the intel X driver which is
supposed to fix this bug.
** Bug watch added: Linux Kernel Bug Tracker #27892
Sounds nice. I hate this bug, cause it's one of the few that breaks my
Natty experience.
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Title:
Natty Screensaver freezes system after some
Similar pattern with 11.04 on a ThinkPad x61s. Screensaver sometimes
freezes (using pictures folder). I'm not playing video underneath, so
that doesn't seem related for me.
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have same bug (screen freezes), can reproduce on every libreoffice start.
sync_to_vblank or 2.6.39-0 kernel not works for me.
Downgrade of compiz
(http://www.webupd8.org/2011/05/how-to-downgrade-to-compiz-086-in.html) works
perfect (but it remove Unity).
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FWIW: Sean Fenton's advice about disabling sync_to_vblank in gconf-
editor seems to have done the trick: I just left my laptop on overnight
with Transmission running (which was a recipe to activate the bug) and
it came back no problem.
The key location is:
I installed the new 2.6.39-0 kernel and it seems that it has solved the problem
for me.
Forgot to shut down my laptop yesterday evening and this morning my session
came back as desired.
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Yup, sync_to_vblank seems to work for me, too! Thanks, Treviño and
Sean!
-peter
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Title:
Natty Screensaver freezes system after some period of
Happened again, this time while typing a Gmail. I tried the
sync_to_vblank trick and that seems to reduce the number of freezes, but
it does not eliminate them.
Before it crashed, computer had been on for 24 hours, at various times
Suspended and under a blank screensaver.
Only thing that worked
This page has comments on how to install the latest kernel, with words
about others having the same problems:
http://ubuntuguide.net/ubuntu-11-04-upgrade-linux-kernel-to-2-6-39-0
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Happened to me again, also; I had the lid closed on the laptop and Transmission
running full screen, and it was closed for perhaps
10-15 minutes. I was able to restart X with ctrl-alt-bkspace. This seems
consistant with comments up thread that disabling sync_to_vblank only minimizes
the
I have the same bug. Brand new Vostro, brand new Natty 64-bit
installation.
It appears most often when the screensaver activates *with* flash
playing in Firefox, but it has happened at other times.
When it locks up, Flash will continue to play (if I'm on, say, Pandora
or some other streaming
Same bug happening also on H67 + 2500k Sandybridge. Kill compiz from
command line fixed it.
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Title:
Natty Screensaver freezes system after some
After upgrading to 11.04 some weeks ago the first bug was:
The system did not boot
This obstacle was removed by booting with a distro-CD, ... , chroot,
grub-config, grub-install
second bug is:
after the computer is idle for some time (no inputs keyboard, mouse)
I
** Also affects: xserver-xorg-video-intel
Importance: Undecided
Status: New
** Also affects: acpi
Importance: Undecided
Status: New
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** Also affects: linux (Ubuntu)
Importance: Undecided
Status: New
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Title:
Natty Screensaver freezes system after some period of
I've assigned the bug to the linux package too, since this seems more
related to the kernel than to X or the gnome-screensaver itself (since
the bug is shown also using xset dpms force off).
I'm quite sure it depends on the kernel side, since few months ago I upgraded
my maverick kernel with the
Additional info (I am using an Intel GPU, floaters screensaver with
custom image) : when the screen hangs, the mouse cursor still reacts. I
manage to find the password field, type it, and unlock the screen (the
same result can be obtained with gnome-screensaver-command on another
tty).
Once I
** Tags added: intel
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Title:
Natty Screensaver freezes system after some period of inactivity
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Disabling Sync to VBlank compiz option *seems* to workaround this to
me... However it's totally a driver bug to be fixed.
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Title:
Natty
I'll go ahead and try this as well. I just found out that it still
happens without screensaver. I use a small script to use my computer as
an alarm it uses the following:
rtcwake
pm-suspend
xset dpms force off
Not sure which one is causing it to still happen but I'll try disabling VBlank.
To Treviño,
I have tested your workaround. It does seem to work fine!
Thanks for that one. As you say, it is a bug that needs fixing, but I'm glad
to have things working well here!
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@3v1n0: After 3 hours of floating ubuntu with banshee playing I confirm
that your workaround works on my natty 64 bit Intel i915.
Grazie! ;)
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For anyone else wondering where Sync To VBlank is: install
CompizConfig Settings Manager: http://packages.ubuntu.com/natty
/compizconfig-settings-manager navigate to General | OpenGL.
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Thank you for the instructions.
I have found that the Sync to vblank option works *very *briefly.
While it seems to be effective at first, in my case, the problem reoccurs
after about 24 hours.
Please report back if your mileage varies.
On Wed, May 25, 2011 at 8:51 PM, Sean Fenton
This problem has been plaguing me since the official release of 11.04
I'm starting to get fed up with it!!
I have tried:
Update install of 11.04
Clean install of 11.04
CCSM: disable sync to vblank
Updating fglxr to manufacturer update
Compiz fusion: set metacity as window manager
Purging fglxr
Same basic problem, but found a potential shoddy workaround:
-Natty, Helios screensaver, 945GM/GMS/GME + 943/940GML Express IG Controller,
EeePC 900HA Netbook...
When the screen locks up, I have used the VGA port to sometimes get the display
back.
1. Plug-in a VGA cable (I have one hooked up to
mellofello, that's really interesting. I'll try that out.
I'm still looking for a way to logout cleanly, closing all programs,
until this is fixed. I've now tried the commands gnome-session-save
--logout gnome-session-save --force-logout.
(The deprecated command gnome-session-save --kill
OK, In power settings, I ended up using never on put computer to
sleep when inactive put display to sleep when inactive (On AC power)
and put computer to sleep when inactive(On Battery power). So far
that seems to have improved the situation (although far from a
satisfactory solution, as has
I can confirm this on an Intel chipset. I have two laptops - a Sony Vaio
with an Nvidia card, and a Dell Vostro V13 with an Intel card.
Screensaver works perfectly fine on the nvidia system, and not once has
a freeze happened. The freezes were happening every time with the Intel
one, until I
Count me in!
Acer aspire 5732z, 4GB RAM intel pentium T4300 intel GMA4500 graphics.
Upgraded from Maverick(64) to Natty(64), and get the same freeze after
inactivity. Seems to happen regardless of screensaver. Curiously, while
cursor appears, to move, Key combinations only seem to work part
I've been having the same problem as well. My machine is using the
onboard graphics of an Intel H67 sandybridge motherboard. Based off
micred's comment of it possibly being the same issue as in Bug 780653, I
tried enabling the option Lock screen when screensaver is active in
the screensaver
Well, looks like the power manager tweak didn't eliminate it after all.
However, I'm now starting to suspect full-screen video as a contributing
factor, as my most recent freeze happened only after I watched a full-
screen video for the first time since the power-manager tweak, and I had
had
A quick run through the comments suggests that the Intel graphics
adaptor might be a common factor here. Is anyone having this problem on
a system that isn't using Intel graphics? If not, that may implicate
xserver-xorg-video-intel.
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Peter, you were viewing video using Flash?
I notice much more hangs playing Flash content and every time last line of
Xorg.0.log was AIGLX: Suspending AIGLX clients for VT switch .
Someone expert of AIGLX, Xorg, intel video cards can suppose where the bug can
be?
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Hi, seems that the issue is just on Intel graphics adapters with natty
64: my Acer Extensa 5635z has this issue ramdomly, the eeepc 900 with
natty 32 works fine.
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This definitely isn't video related as it happens to me all the time and
I have no video running. It seems like it happens more when I have
banshee going BUT this could just be because I have banshee going a lot
of the day. I haven't had a freeze in 24 hours with screen saver and
turn off monitor
I am having this problem too and I am running Natty 32bit on a desktop (Lenovo
ThinkCentre 8810-AA5) with an Intel onboard graphics card (00:02.0 VGA
compatible controller: Intel Corporation 82Q963/Q965 Integrated Graphics
Controller (rev 02)).
The workaround that I am using is:
- switch to a
Yes, I'm pretty sure I was using Flash, but I haven't experienced any
problems while watching videos, it's just that it seems like the hang
only happens sometime after I had viewed a video in full-screen mode.
FWIW, I'm running 2.6.38-8-generic-pae i386, though my processor is an
i5 (and
I think it may also have something to do with the screen locking: I had
my laptop sitting, screensaver disabled via the screen saver control
panel and in both the AC and battery profiles (the machine was running
on AC power at the time), and I was running the Transmission bittorrent
client. I
Oh, and after all of my comments and troubleshooting, I never mentioned
specifically what version of Natty I was running!
32bit Natty Narwhal 11.04, fresh install from a burned ISO downloaded on
4/28/11 (IE, the actual release verison ,not an RC
or beta).
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I have noticed the same so far, turning turn display off to never so far
has solved the problem but of course it's a waste of electricity and
having a monitor on when I'm just listening to music doesn't make sense.
Thanks all for the hard work
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A couple of minutes ago, my computer with the screen-saver disable was with the
screen turn off, but it received an update notification during the time when
the screen was turn off and it freeze, also a few days ago the screen was turn
off and I was listening music, and I press a key to go to
MikeCz, I noticed the same thing, I've probably had to hard reboot at
least 50 times since installing 11.04. I disabled the screensaver but am
still seeing the issue, just had a freeze right now. This is a serious
problem and can easily result in some broken hard drives. I'm tempted to
downgrade
I'm personally waiting until June before I consider going to another
distro.
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Title:
Natty Screensaver freezes system after some period of
I was experiencing this problem (screen freezes except mouse pointer,
but can still Ctrl-Alt-F1 to a terminal) regularly until a few days ago
when I went into power manager and set Put display to sleep when
inactive for: to Never (for both AC and battery). Since then, I have
not had the problem
Peter: I never run on batteries and the AC power profile is also set to
'never' but I will try that nevertheless.
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Title:
Natty Screensaver
I think the cause of this bug was misunderstood by someone.
I also get hanging after screen goes blank in 11.04 (natty) but switching to
VT1 and killing gnome-screensaver doesn't help (and I don't even think it's the
cause).
Every time I notice this problem the last line of Xorg.0.log was like:
The problem I describe (and probably also of Sean Fenton and others upgrading
to natty) seam the same of Bug 780653.
What do you think about it?
Sorry for my bad english.
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One other oddity: I just had my machine lock up despite having
deactivated the screensaver.
The lid on my laptop was closed for approx 2 hours, and I was running
the Transmission bittorrent client minimized. The power setting to
blank the screen may be to blame, since the gnome-screensaver
I don't think it's a screensaver problem. Even disabling screensaver,
when the screen goes down because of inactivity the screen freezes. In a
tty, if I kill Xorg, the screen restores and I can log in again, but
with a new session and all my work is lost
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ThinkPad T500, Natty 64bit: I turned off the screensaver entirely set
the screen to sleep after 5min. Now it doesn't lock up every time, but
still locks up. Often, the screen will wake up the GUI will all be
frozen.
I just tried the Alt + SysRq + r + s + e + i + u + b trick it
wouldn't reboot.
Additional note: Switching to the Blank screensaver did not make a
difference, though it seems to be correlated to having the lid of my
laptop closed for approx 20 minutes, and it is more noticable if I have
things running onscreen when it happens.
Manually killing gnome-screensaver and compiz
More info: after several tries, with only the Unity desktop running and
letting the machine sit for approx 20 minutes with the lid closed, the
screen kept flickering between the unlock screen and the blank desktop.
I ran a ps -eaf from a virtual termial and saw a line related to the
lock screen,
OK, it is locked up as before, and I see some relevant lines:
usernameProcessID Parent ID command
me 1535 1 /usr/bin/gnome-screensaver --no-daemon
me 1726 1535
/usr/lib/gnome-screensaver/gnome-screensaver-dialog --status-message=
Put me on the list as well:
Running a Compaq Presariu CQ60 (I thinks its the 211DX but I don't have
it handy to verify):
2.16Ghz Intel Celeron 585
2gig RAM
Intel Graphics Media Accelerator 4500M
Running the fiberlight screensaver graphic.
I have it set to 'do nothing' if the lid is closed.
I
Using Blank Screen at the office, I can't always get a terminal prompt
with Ctl-Alt-F2 and Ctl-Alt-Delete doesn't work either. Pressing the
power button does
Using Pictures Folder at home, I was greeted with one of my pictures,
and the cursor moved, even changed to a hand sometimes. Music was
** Changed in: gnome-screensaver (Ubuntu)
Status: New = Confirmed
** Changed in: gnome-screensaver (Ubuntu)
Importance: Undecided = High
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https://bugs.launchpad.net/bugs/762918
I have also experienced the same problem on my Sony VAIO (VGN22E), It
happened both in Ubuntu and Ubuntu classic desktop. It was the floating
ubuntu logo and matrix screensavers that I have tried so far.
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