I am having the same issue on 13.04 running on a Sony VAIO S Series core
i7, Intel HD 4000 Graphics.
Periodically I get a screen full of small square dots scattered over the entire
screen. They appear randomly, for about a
second, then are gone. Its not hardware; I dual boot windows 8, and I
Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: nvidia-graphics-drivers-180 (Ubuntu)
Status: New = Confirmed
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For me it started to appear just last week. Running this version of
NVidia drivers on a Dell Latitude 6520 using a 4200NVS on latest ubuntu
and all updates:
nvidia-xconfig: version 313.09
(buildmeis...@swio-display-x86-rhel47-04.nvidia.com) Tue Dec 4 22:54:46 PST
2012
Will try the agp=off
I had exactly the same problem constantly since several years with
different Ubuntu versions and different nvidia drivers.
After adding agp=off to the GRUB_CMDLINE_LINUX_DEFAULT in the grub
config the strange black dots problem is completely gone! :-)
...maybe this helps someone too.
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You
I have the same problem.
Ubuntu 11.04
NVidia driver 270.41.06
** Attachment added: lspci -vvnn
https://bugs.launchpad.net/ubuntu/+source/nvidia-graphics-drivers-180/+bug/421048/+attachment/2312084/+files/lspci.txt
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A screenshot (made with import screenshot.png)
** Attachment added: screenshot of the problem
https://bugs.launchpad.net/ubuntu/+source/nvidia-graphics-drivers-180/+bug/421048/+attachment/2312087/+files/nvidia.png
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FYI: updated drivers from
https://launchpad.net/~ubuntu-x-swat/+archive/x-updates, and the problem
is gone for me.
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I have the same issue. I've reproduced it with two different cards based
on the nvidia 210 chipset. I'll attach my lspci -vvnn output below.
Environment:
OS: Ubuntu 11.04
NVidia driver: 270.41.06
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** Attachment added: lspci -vvnn output
https://bugs.launchpad.net/ubuntu/+source/nvidia-graphics-drivers-180/+bug/421048/+attachment/2154146/+files/lspci.txt
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@woop What video card do you have? What driver version are you using?
Your screenshot looks very similar to what I saw.
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01:00.0 VGA compatible controller: nVidia Corporation GT200 [GeForce GTX 260]
(rev a1) (prog-if 00 [VGA controller])
Subsystem: ASUSTeK Computer Inc. Device 831a
Flags: bus master, fast devsel, latency 0, IRQ 16
Memory at f500 (32-bit, non-prefetchable) [size=16M]
** Attachment added: desktop.png
https://bugs.launchpad.net/ubuntu/+source/nvidia-graphics-drivers-180/+bug/421048/+attachment/2121849/+files/desktop.png
** Changed in: nvidia-graphics-drivers-180 (Ubuntu)
Status: Incomplete = New
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I have this bug in 11.04
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Title:
Black dots appear on screen
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Thank you for the concerned response. I have a good idea of what it's
like to be on your end because I am on other projects. I don't mean to
be a whiner.
I had a number of bugs related to an Nvidia card and multiple displays
stemming back to Hardy. Most of the reports I filed or was involved
It is discouraging that the policy for many bugs is to simply wait until
a newer version comes along so they can be downgraded and then closed
with out any real investigation. I understand that developer resources
are limited but shouldn't the bug remain 'Confirmed' until proven
otherwise? This
I understand that developer resources are limited but shouldn't the bug
remain 'Confirmed' until proven otherwise?
Indeed, that is exactly what happened, the bug remained in confirmed
state for a year and a half.
You have to understand that there are 400 bug reports against Ubuntu's X
Regarding the bug itself... This does sound like either a driver
problem or a problem with the hardware itself. If the latter, then the
issue would show up in windows as well, which no one has mentioned so
maybe we can assume it isn't.
From the spacing and pattern of the dots it looks like
This bug report was filed against an old version of Ubuntu.
Can you confirm whether this is still an issue in natty?
If you don't mind, it would be very helpful if you could update the bug
report in launchpad to 'Fix Released' if it is no longer an issue for
you, or if it is still occurring under
** Tags added: hardy
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This also affects nvidia-185
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** Attachment added: lspci.out
http://launchpadlibrarian.net/43238354/lspci.out
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Black dots appear on screen
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** Attachment added: dmesg
http://launchpadlibrarian.net/43238388/dmesg
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Black dots appear on screen
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** Attachment added: Xorg.0.log
http://launchpadlibrarian.net/43238402/Xorg.0.log
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Black dots appear on screen
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** Attachment added: xorg.conf
http://launchpadlibrarian.net/43238448/xorg.conf
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Black dots appear on screen
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** Description changed:
On logging in to Ubuntu, sometimes there are randomly placed black dots
on the screen. I have seen this problem on an old Hardy install on a PPC
and on my current Intrepid install running on an Intel Q9550. Another
machine with Intrepid on an Athlon has never
same bug in animux, xfce, nvidia 173
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** Changed in: nvidia-graphics-drivers-180 (Ubuntu)
Status: Incomplete = Confirmed
** Tags added: intrepid
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Black dots appear on screen
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** Package changed: xorg (Ubuntu) = nvidia-graphics-drivers-180
(Ubuntu)
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Black dots appear on screen
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** Package changed: ubuntu = xorg (Ubuntu)
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** Attachment added: Output of lspci -vvnn
http://launchpadlibrarian.net/31074605/lspci%20-vvnn.txt
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Black dots appear on screen
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** Attachment added: Output of dmesg
http://launchpadlibrarian.net/31074689/dmesg.txt
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Black dots appear on screen
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** Attachment added: Xorg.0.log
http://launchpadlibrarian.net/31074758/Xorg.0.log
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Black dots appear on screen
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** Attachment added: Xorg.0.log.old
http://launchpadlibrarian.net/31074820/Xorg.0.log.old
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Black dots appear on screen
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The attached files were generated after restarting (dots are present - as
always). Attached screenshot shows how the dots are larger than a single pixel
and are not restricted to desktop/panel/window.
They are also present on the login screen in the same pattern.
I hope all this info helps...
I have not tinkered with the xorg.conf file (it is very boring) -
attached here anyway...
** Attachment added: /etc/X11/xorg.conf
http://launchpadlibrarian.net/31074921/xorg.conf
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Black dots appear on screen
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