** Description changed:
- [Copycat - A blackscreen can also appear due to a bug in the NVidia
- Graphics Driver. (goto bug #573101)]
+ Up-to-date Lucid with radeon driver. After switching user a few times
+ (usually between 3 and 5 times), the screen goes black with only the
+ mouse cursor
** No longer affects: linux (Ubuntu)
** No longer affects: linux (Ubuntu Lucid)
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Title:
black screen after a few user switches
To manage
** Changed in: xserver-xorg-driver-ati
Status: Confirmed = Fix Released
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Title:
black screen after a few user switches
To manage
** Branch linked: lp:ubuntu/gnome-screensaver
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Title:
black screen after a few user switches
To manage notifications about this bug go to:
Sounds like this wasn't really an xorg-server bug. Several people
report updates to -nvidia solved it, so going to go ahead and mark it
fixed.
** Changed in: xorg-server (Ubuntu)
Status: Triaged = Fix Released
** Changed in: xorg-server (Ubuntu Lucid)
Status: Triaged = Fix
** Changed in: linux (Ubuntu)
Status: New = Confirmed
** Changed in: linux (Ubuntu Lucid)
Status: New = Confirmed
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Title:
black
** Changed in: xserver-xorg-driver-ati
Importance: Unknown = High
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** Changed in: xserver-xorg-driver-ati
Importance: High = Unknown
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Updating nvidia drivers also worked for me (from #123). Thanks!
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** Description changed:
+ [Copycat - A blackscreen can also appear due to a bug in the NVidia
+ Graphics Driver. (goto bug #573101)]
+
[Problem]
Up-to-date Lucid with radeon driver. After switching user a few times
(usually between 3 and 5 times), the screen goes black with only the mouse
PAB: The workaround currently in gnome-screensaver fixes the issue. If
you're stilling having a problem, file a new bug with ubuntu-bug xorg.
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I am a victim of this bug since version 10.04. I've been using Ubuntu
since 2006 and it's the first time that a bug last this long and is so
annoying.
I have a full updated 10.10-64 bit Ubuntu version and the bug is still
affecting me. I can almost tell when the crash will arrive.
The only
2010/11/12 PAB 546...@bugs.launchpad.net:
I am a victim of this bug since version 10.04. I've been using Ubuntu
since 2006 and it's the first time that a bug last this long and is so
annoying.
I have a full updated 10.10-64 bit Ubuntu version and the bug is still
affecting me. I can almost
I can confirm that after installing nvidia driver 173.14.27, the problem
with the black screen after switching to a new user and logging off is
gone!
I have had this problem for a long time! I tested it four times in a
row. Prior to installing the new driver, I hit the failure each time
after
I had the same bug. After logging more than one user and logout one of
them I got the black screen.
I've updated nvidia drivers to 173.14.27 and the bug has gone.
Adding repo with the latest drivers for nvidia cards
sudo add-apt-repository ppa:ubuntu-x-swat/x-updates
sudo apt-get update
sudo
I had a similar bug: switching to a new user display a black screen with
only the mouse cursor.
I can switch to the text consoles (Ctrl-Alt-Fn) and to the first X
session. But it looks like the second X is mixed with the first one. I
can see the user selector a few milliseconds before the first X
Ludovic Rousseau, thanks for your comment but your report is not the
same bug, as I can confirm this bug occurs with a fresh install of
Ubuntu 10.04 (i.e. irrespective of any .gnome or .gconf configuration).
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You
I had similar bug, but i add that before the black screen showed the desktop
all compress on full width and 1cm height.
And the last thing i did was to try to login on a user with no password, but
the system ask me for the password and did not ascept a blank one , then try to
switch to other
** Branch linked: lp:ubuntu/gnome-screensaver
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This is still a problem for me with gnome-screensaver 2.30.0-0ubuntu2.
I have an Acer Aspire 5740-5513, which various websites say is an Intel
GMA video card.
My workaround is to essentially disable gnomesaver by sudo mv /usr/bin
/gnome-screensaver /usr/bin/gnome-screensaver.bak.
I hope whatever
@Robert: If it's still broken for you (did you try rebooting?), then you
have a different bug. Please file a new one with ubuntu-bug gnome-
screensaver.
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The same happened to me yesterday after a few switches between two
accounts. I had this problem, and I had upgraded to gnome-screensaver
2.30.0-0ubuntu2 in a Dell Inspiron 530 a few days ago. Yesterday I had
the black sreen.again.
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OK, I created https://bugs.launchpad.net/ubuntu/+source/gnome-
screensaver/+bug/587668 .
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Bug was fixed for me with new screensaver.
But now the screensaver asks for password even if I uncheck the Lock up
desktop option in Power Management.
Has anybody else experienced this?
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You received this bug
I updated gnome-screensaver but bug persists (black screen after user
switch).
Description:Ubuntu 10.04 LTS
Release:10.04
gnome-screensaver:
Installiert: 2.30.0-0ubuntu2
Kandidat: 2.30.0-0ubuntu2
Versions-Tabelle:
*** 2.30.0-0ubuntu2 0
500
@Stefan: given that you are running an nvidia card, your issue may be related
to mine. I've filed a separate bug:
https://bugs.launchpad.net/ubuntu/+source/nvidia-graphics-drivers-96/+bug/585685
Have a look at that see if perhaps it may be caused by your nvidia-173
driver. If so then it's
I installed _only_ the gnome-screensaver 2.30.0-0ubuntu2 from proposed-repo and
the problem persists.
Should I install all the packages from that repo? The only difference I've
found is this...
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Should I install all the packages from that repo?
Not necessary . The package gnome-screensaver is supposed to fix this by
itself. If you still have a problem chances are you have a different bug. You
should file a separate bug report with a detailed description of your problem.
--
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This bug was fixed in the package gnome-screensaver - 2.30.0-0ubuntu2
---
gnome-screensaver (2.30.0-0ubuntu2) lucid-proposed; urgency=low
* debian/patches/15_dont_crash_on_no_fade.patch:
- Don't crash on systems that don't support XF86VM or XRANDR gamma fade,
by testing
Copied gnome-screensaver to maverick, too.
** Changed in: gnome-screensaver (Ubuntu)
Status: Triaged = Fix Released
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crash, please don't change the status of the bug without leaving any
comment
** Changed in: gnome-screensaver (Ubuntu Lucid)
Status: Fix Released = Fix Committed
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My apologies. I changed it by accident and tried to change it back,
without success apparently.
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Finally got a chance to test this last night and it works like a charm
on my 2 systems. Thanks!
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I am exeriencing the same issue - with the exception that both the
keyboard and mouse go dead as well. If there is another bug report the
more closely matches my symptions, please advise.
Steps to reproduce:
1. While logged in as user A, System|Log Out username|Switch User
2. Login to user B,
NoOP: Reproduce the problem, ssh to the machine(without -X option), find
the X display number with ck-list-sessions , do export DISPLAY=:z
where z is the display number, then run xgamma -gamma 1.0. Does this
resolve the problem? If not, then you are experiencing another bug.
--
black screen
Erik Meitner wrote:
NoOP: Reproduce the problem, ssh to the machine(without -X option), find
the X display number with ck-list-sessions , do export DISPLAY=:z
where z is the display number, then run xgamma -gamma 1.0. Does this
resolve the problem? If not, then you are experiencing another
I can confirm NoOPs experience. This just happens out of the blue, e.g
while writing an e-mail the screen turns black and mouse and keyboard
are dead (USB turned off?).
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That doesn't sound in any way related to this bug at all. Please report
a different bug
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Possibly https://bugs.launchpad.net/ubuntu/+source/xorg-
server/+bug/561538 instead? I'll join that bug report. Thanks.
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** Changed in: gnome-screensaver (Ubuntu Lucid)
Status: Fix Committed = Fix Released
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The gnome-screensaver package in proposed solved the problem for me.
Thank you!
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Seems to have solved the problem for me too. No more black screen after
user switching.
It was actually necessary to reboot after installing the package from
-proposed, btw.
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A really positive thing: after removing fade on lock, locked desktop
content does not become visible (it was just a blink, but it was
anoying) during user-switch process.
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I considered that screen flash a security issue - the flash lasted
several seconds if my machine was bogged down, and let anyone see what
was going on for any logged in user, which should *never* be possible.
Glad that is fixed as a side-effect of this, and hope it doesn't return
later.
--
black
@jeffbl, all
Oops, I hurried... After some swithes, locked desktop flash appeared again.
But it's subject for a separate bug. Who knows, where should it be reported? Or
it already has an open discussion?
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** Description changed:
[Problem]
Up-to-date Lucid with radeon driver. After switching user a few times
(usually between 3 and 5 times), the screen goes black with only the mouse
cursor visible after entering the user's password. VTs are also completely
black. Restarting gdm fixes the
Ok, the gnome-screensaver package in proposed solved the problem for me.
Excellent work, thank you!
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@emigrant
Make sure you have the the new package installed by typing
sudo apt-cache policy gnome-screensaver
in a terminal window.
It should say:
gnome-screensaver:
Installed: 2.30.0-0ubuntu2
Candidate: 2.30.0-0ubuntu2
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Anton,
Is your reply to me?
thats what i did and i still have the prob :(
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After reinstalling this new version of gnome-screensaver, I notice that
when I switch users the unlock screen for the original user appears and
is then quickly replaced by the unlock screen for the switched user (as
anticipated) - so it seems this new update successfully refreshes the
screen.
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@Wolfgang Kufner,
I appreciated your reply.
this is what i get to your code (I removed the screensaver package again):
gnome-screensaver:
Installed: (none)
Candidate: 2.30.0-0ubuntu1
Version table:
2.30.0-0ubuntu2 0
400 http://archive.ubuntu.com/ubuntu/ lucid-proposed/main
Hi Wolfgang Kufner,
I appreciate very much you replying to me.
this is what i get to your code:
(at the moment i again removed gnome-screensaver bcz it didnt help)
gnome-screensaver:
Installed: (none)
Candidate: 2.30.0-0ubuntu1
Version table:
2.30.0-0ubuntu2 0
400
@ Wolfgang Kufner,
finally i correctly got installed it (rebooted).
gnome-screensaver:
Installed: 2.30.0-0ubuntu2
Candidate: 2.30.0-0ubuntu2
but the problem refuses to fade out.
PS: sorry for the above double post.
--
black screen after a few user switches
@emigrant: First, try to avoid using bug reports as support forums.
Second, you need to make sure you are actually affected by the bug. When
your screen turns black, can you switch back to a session with CTRL-
ALT-F7 , CTRL-ALT-F8, CTRL-ALT-F9, etc? If so, then you are affected by
bug 40011. If
Accepted gnome-screensaver into lucid-proposed, the package will build
now and be available in a few hours. Please test and give feedback here.
See https://wiki.ubuntu.com/Testing/EnableProposed for documentation how
to enable and use -proposed. Thank you in advance!
** Changed in:
** Branch linked: lp:ubuntu/lucid-proposed/gnome-screensaver
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gnome-screensaver 2.30.0-0ubuntu2 looks good here (Acer Extensa 5630Z
with intel 8086:2a42] (rev 07)) . No incidents in 25+ user switches.
Nice work. Thanks :-)
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2.30.0-0ubuntu2 works fine here on ATI (open radeon driver) and Intel
(GMA950)
Many thanks for this fast and preciuos work.
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** Tags added: verification-done
** Tags removed: verification-needed
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Am I doing this correct?
i don't get any changes... :(
I enabled the repo using this guide:
https://wiki.ubuntu.com/Testing/EnableProposed
$ sudo aptitude install gnome-screensaver /lucid-proposedReading package
lists... Done
Building dependency tree
Reading state information... Done
I uninstalled the default gnome screensaver and installed back.
and still i cant switch back to the first user from the second user.
the black screen thing still exists :(
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I have just updated all packages from proposed-repo, and the problem is
gone!
I switched several times between users with no problems.
Thank you!
PS I have Dell Mini 10v
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Please some one tell me what to do to solve this problem step by step.
thanks
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https://wiki.ubuntu.com/Testing/EnableProposed
then update your packages and (maybe) reboot.
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@Chris
I don't see gnome-screensaver in lucid-proposed repo. Some problems?
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** Branch linked: lp:~ubuntu-desktop/gnome-screensaver/ubuntu
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I suspect that most people here are experiencing the problem described
in https://bugs.edge.launchpad.net/ubuntu/+source/gnome-
screensaver/+bug/555870/comments/11. However, I'd like to keep bug
555870 separate, as that is really reporting a separate issue, and I
should have put that comment in
Incidentally, I can demonstrate this quite reliably on my Intel box by
doing xgamma -gamma 0.5 from within my X session whilst it is active,
then switching to a VT and doing DISPLAY=:0.0 xgamma -gamma 1.0. On
karmic, the gamma goes back to the correct value in my X session on the
inactive VT, but
@Chris Coulson:
I can confirm here, that the machine with nvidia binary driver is not
affected, but machines on ATI and Intel (GMA 950) are.
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I've just uploaded gnome-screensaver to lucid-proposed with fade-on-lock
disabled
** Changed in: gnome-screensaver (Ubuntu Lucid)
Status: In Progress = Triaged
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@David: Since I removed the gnome-screen saver it did not happen again.
So it seemed to help. What I am now experiencing is a screen going blank in
idle although it is disabled in the propertys (screen comes back by mouse
movement or keystroke, I think this might be related to the fact that I
sudo add-apt-repository ppa:xorg-edgers/ppa
Does not fix the problem for me.
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Hey all,
I'm having this problem on my EEE PC.
I want to add that I have 2 users on my system and they both have the
option Password: not asked at login.
Steps to reproduce:
1. Log in as user A
2. Quickly switch to user B.
3. Switch back to user A.
I get a blank screen. CTRL+ALT+F1 does not
I am not sure if I have the same problem but the result looks similar.
I just reinstalled lucid on my z61m with an ati x1400 build in.
After a couple of hours the screen gets blank and I have to do a hard
reset. This happened to me now two times while I was surfing.
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Ioe, sounds like a different issue. Please report a new bug with
ubuntu-bug xorg. Thanks!
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Changed title to avoid confusing newcomers to this bug (like me).
** Summary changed:
- [RS480] black screen after a few user switches
+ black screen after a few user switches
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