OK. Created Bug #1821505
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Title:
screen cannot be turned back on after being switched off after some
time of inactivity
To manage
Hark (cab902), it will help immensely if you filed a new report with Ubuntu by
ensuring you have the package xdiagnose installed, and that you click the Yes
button for attaching additional debugging information running the following
from a terminal:
ubuntu-bug xorg
Also, please feel free to
This bug is still existing on Ubuntu 16.04.6 LTS. Is there a plan to
push the fix to 16.04?
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Title:
screen cannot be turned back on after being
[Expired for xserver-xorg-video-ati (Ubuntu) because there has been no
activity for 60 days.]
** Changed in: xserver-xorg-video-ati (Ubuntu)
Status: Incomplete => Expired
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maenujem, it will help immensely if you filed a new report with Ubuntu by
ensuring you have the package xdiagnose installed, and that you click the Yes
button for attaching additional debugging information running the following
from a terminal:
ubuntu-bug xorg
Also, please feel free to
I'm having the same error on Ubuntu 16.04.1 LTS (4.4.0-59-generic,
64bit) with ATI RV570 [Radeon X1950 PRO]: if logged in or locked, after
the screen is turned off due to the inactivity time set in Ubuntu, it
can not be turned back on by hitting a key / moving the mouse. It has to
be rebooted
Christophe, the upstream fix commit would have been included in Ubuntu 16.10
and above as per:
https://launchpad.net/ubuntu/+source/xserver-xorg-video-ati
https://cgit.freedesktop.org/xorg/driver/xf86-video-ati/commit/?id=9090309e057dc703d1a5bffd88e6cae14108cfc3
It sounds like the latest patch fixes the problem you filed this report
for, so I posted it to the amd-gfx mailing list for review.
The problem(s) with switching between one and two monitors should be
tracked separately, preferably at
Another thing I just noticed : with or without the patch, the only thing
that works with two screen is the extended mode. When I try to go from
two screen extended to two screen clone mode, both screens switch off
and cannot be switched back on.
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In the next comment, you will findthe output of xrandr --verbose, when both
monitors are enabled, with the original (non patched) drivers.
I must say that the patch you posted in comment #47 works perfectly when it
comes to wake the monitor after some time of sleep. Only the problem of black
** Attachment added: "Xrandr output"
https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-ati/+bug/1577170/+attachment/4702793/+files/xrandr
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So the latest patch doesn't help for the VGA monitor not going off?
Please attach the output of xrandr --verbose when both monitors are
enabled. It doesn't matter whether or not any of my patches are enabled
when you do that.
The kernel panic is a kernel bug and probably not directly related to
Same problem with this patch. Well in fact, it's even worse as I got a
kernel panic when trying to switch from 2 screens to only one (see
picture attached).
I attached the output of xrandr before and after the black screen (but
before the complete crash).
The black screen when changing between
** Attachment added: "before_black_screen.txt"
https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-ati/+bug/1577170/+attachment/4696355/+files/before_black_screen.txt
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I must add that without the patch, after the black screen and the ctrl-alt-F1
then ctrl-alt-F7, I had a dialog box saying : "Impossible de restaurer la
configuration de l'affichage
could not set the configuration for CRTC 80".
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** Attachment added: "black_screen.txt"
https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-ati/+bug/1577170/+attachment/4696354/+files/black_screen.txt
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** Attachment added: "20160706_120743.jpg"
https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-ati/+bug/1577170/+attachment/4696357/+files/20160706_120743.jpg
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Does this updated version of the patch work better? If not:
The black screen when changing between one and two monitors never
happens without this patch?
Please attach the output of xrandr --verbose when both monitors are
enabled.
P.S. Thanks for reporting the compile warning, but it's harmless
Michel, this patch seems to work quite well, but still showing some strange
behaviour. To sum up, with the new patch :
- with one or two screens used, when the screens goes off after some time of
inactivity, they can be woken up by moving the mouse.
- when two screens are used, from time to
Does this patch work better? If not, please provide new gdb backtraces
again.
** Patch added: "Wait for pending flips to complete before turning off an
output or CRTC"
Christophe, the issue you are reporting is an upstream one. Could you
please report this problem via
https://bugs.freedesktop.org/enter_bug.cgi?product=xorg=Driver/Radeon
?
Please provide a direct URL to your bug report once you have made it so
that it may be tracked.
Thank you for your help.
** Tags removed: patch
** Tags added: latest-bios-2.4.0
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Title:
screen cannot be turned back on after being switched off after some
time of
It's a DELL Dimension E520. Is that the full computer model ?
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Title:
screen cannot be turned back on after being switched off after some
time
Christophe, could you please provide the full computer model as noted on
the sticker of the computer itself (not from the Bug Description)?
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apport information
** Tags added: apport-collected compiz-0.9 ubuntu
** Description changed:
I did a fresh install of ubuntu 16.04 on my old dell computer in which
there is an ati radeon X1300 graphics card.
Whenever the screen turns off due to inactivity, it cannot be woken up
by
Christophe, thank you for reporting this and helping make Ubuntu better.
Could you please run the following command once from a terminal by ensuring you
have the package xdiagnose installed, and that you click the Yes button for
attaching additional debugging information:
apport-collect -p xorg
** Summary changed:
- [solved] screen cannot be turned back on after being switched off after some
time of inactivity
+ screen cannot be turned back on after being switched off after some time of
inactivity
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Thanks to the guys in the #radeon channel on irc, I found a way to solve the
problem.
You have to apply this patch to the source of the video driver
(xfree86-video-ati-7.7.0) : https://paste.debian.net/plain/682956
and compile then install it (using --prefix=/usr for the configure process).
Some notes after helping to investigate this via IRC:
The DDX is stuck in drmmode_set_mode_major during its attempt to unblank
the display, because it is waiting for a pending page flip that is never
delivered (based on the backtrace provided by Christoph, which I'm
attaching for future
** Description changed:
I did a fresh install of ubuntu 16.04 on my old dell computer in which
there is an ati radeon X1300 graphics card.
Whenever the screen turns off due to inactivity, it cannot be woken up
by moving the mouse or by hitting a key.
- The same ubuntu 16.04
** Package changed: unity (Ubuntu) => xserver-xorg-video-ati (Ubuntu)
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Title:
screen cannot be turned back on after being switched off after
EDIT : I just found that letting the screen be turned off when not
logged at all (when I boot the computer and don't log in for example)
causes no problem. The screen goes black and can be woken up by moving
the mouse or by hitting a key. The problem only appear when logged in,
whatever the user.
** Also affects: xserver-xorg-video-ati (Ubuntu)
Importance: Undecided
Status: New
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Title:
screen cannot be turned back on after being
** Description changed:
I did a fresh install off ubuntu 16.04 on my old dell computer in which
there is an ati radeon X1300 graphics card.
Whenever the screen goes off due to inactivity, it cannot be woken up
by moving the mouse or hit a key.
The same ubuntu 16.04 installed on a
I just found that typing :
gnome-screensaver-command -a
turns my screen off. But the funny fact is that, after typing this line, the
screen can be woken up by moving the mouse or hitting a key. I'm confused. It
maybe not related to gnome-screensaver after all, but rather to the way ubuntu
It really seems related to gnome-screensaver as using xscreensaver
causes no problem.
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Title:
screen cannot be turned back on after being
New information : typing "xset -display :0.0 dpms force off" in the
terminal makes my screen to turn off. Then I can wake it up just by
moving the mouse. So the problem seems related to the "screen saver" of
ubuntu rather than Xorg.
** Package changed: xorg (Ubuntu) => gnome-screensaver (Ubuntu)
** Attachment added: "dmesg"
https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1577170/+attachment/4654715/+files/dmesg
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Title:
screen
** Attachment added: "Xorg.0.log"
https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1577170/+attachment/4654716/+files/Xorg.0.log
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Title:
The problem is not solved with the latest 4.6 kernel.
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Title:
screen cannot be turned back on after being switched off after some
time of
Is it something I could do to find out a fix ?
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Title:
screen cannot be turned back on after being switched off after some
time of inactivity
** Tags added: xenial
** Package changed: ubuntu => xorg (Ubuntu)
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Title:
screen cannot be turned back on after being switched off after some
Thank you for taking the time to report this bug and helping to make
Ubuntu better. It seems that your bug report is not filed about a
specific source package though, rather it is just filed against Ubuntu
in general. It is important that bug reports be filed about source
packages so that people
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