As per https://bugs.freedesktop.org/show_bug.cgi?id=70389#c4 .
** No longer affects: xserver-xorg-video-intel (Ubuntu)
** Project changed: nouveau => xserver-xorg-video-intel (Ubuntu)
** Changed in: xserver-xorg-video-intel (Ubuntu)
Importance: Medium => Undecided
** Changed in: xserver-xorg
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See attached photo, replicable 100% just by moving the mouse fast. Note
that this Thinkpad has two video cards. I don't know how to tell if
Intel or Nvidia is being used. I'm using the default saucy install, no
additional drivers.
ProblemType: Bug
DistroR
Getting what appears to be a less-serious version of this bug on Debian
Testing with the Intel driver from Experimental
(2:2.99.916+git20141119-1~exp1).
I'm also using a W530, in Optimus mode in BIOS.
Dragging windows around the DVI/DFP display leaves artifacts and tears.
The internal display (LV
Try updating your intel ddx -- nouveau is not responsible for the
contents of the images it renders when in reverse-prime mode -- the
primary gpu is (in your case, intel).
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Hi Christopher,
My apologies in the delay in getting back to you. I probably missed the email
notification.
I have created a new bug report and subscribed you to the same.
Thanks..
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Keshav Dhandhania, thank you for your comment. So your hardware and problem may
be tracked, could you please file a new report by executing the following in a
terminal:
ubuntu-bug xorg
Please ensure you have xdiagnose installed, and that you click the Yes
button for attaching additional debuggin
Sorry. Forgot the second card.
00:02.0 VGA compatible controller: Intel Corporation 3rd Gen Core processor
Graphics Controller (rev 09) (prog-if 00 [VGA controller])
Subsystem: Lenovo Device 21f5
Flags: bus master, fast devsel, latency 0, IRQ 46
Memory at f140 (64-bit,
Yes. This bug still exists. I am experiencing the same issue.
Ubuntu 14.04
ThinkPad W530
One external monitor.
01:00.0 VGA compatible controller: NVIDIA Corporation GK107GLM [Quadro K1000M]
(rev a1) (prog-if 00 [VGA controller])
Subsystem: Lenovo Device 21f5
Flags: bus master,
Marius-andreiana, this bug was reported a while ago and there hasn't
been any activity in it recently. We were wondering if this is still an
issue? If so, could you please test for this with the latest development
release of Ubuntu? ISO images are available from
http://cdimage.ubuntu.com/daily-live
Also experiencing this issue on a W530 running Fedora 18 with 3.11.10.
My second monitor is connected via the Lenovo dock connector. The bug
does not appear if the display adapter is switched to Discrete mode in
BIOS. I have also experienced this bug on a projector connected via VGA.
00:02.0 VGA c
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After install nvidia driver external monitor works fine, but internal
not work, because internal videocard (intel) disabled. If enable
internal video card, external again not works.
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I have the same problem on laptop Asus U31SD-RX127R with
00:02.0 VGA compatible controller: Intel Corporation 2nd Generation Core
Processor Family Integrated Graphics Controller (rev 09)
01:00.0 VGA compatible controller: NVIDIA Corporation GF119M [GeForce GT 520M]
(rev a1)
If need more info I
Note that I use a VGA cable, and still have the issues. I have only one
external monitor, connected with VGA.
The laptop display works fine (cannot be turned off, as far as I tried).
@Payam -- did you turn off your laptop display?
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I would like to add that I've only noticed the problem when DVI/DP
cables are used to connect the external monitor. VGA cable works just
fine. I have a Lenovo T520 with these graphics:
00:02.0 VGA compatible controller: Intel Corporation 2nd Generation Core
Processor Family Integrated Graphics Co
Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: xserver-xorg-video-intel (Ubuntu)
Status: New => Confirmed
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https://bu
** Summary changed:
- [dual monitor, xorg, intel] Corrupted rendering
+ [prime] unsynchronised rendering on secondary displays
** Also affects: nouveau via
https://bugs.freedesktop.org/show_bug.cgi?id=70389
Importance: Unknown
Status: Unknown
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Thanks Chris for the additional info, and triaging the bug at
https://bugs.freedesktop.org/show_bug.cgi?id=70389
Should I try to disable the nvidia card, maybe from BIOS?
** Bug watch added: freedesktop.org Bugzilla #70389
https://bugs.freedesktop.org/show_bug.cgi?id=70389
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** Summary changed:
- [prime] Frequent display artifacts, take 2
+ [dual monitor, xorg, intel] Corrupted rendering
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https://bugs.launchpad.net/bugs/1228506
Title
No, that is not a cache coherency bug. It is very likely it is just the
lack of synchronisation on the dma-buf between the two drivers.
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Sample screen showing the bug
** Attachment added: "2013-10-11 20.15.46.jpg"
https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-intel/+bug/1228506/+attachment/3875059/+files/2013-10-11%2020.15.46.jpg
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Additional notes:
* this doesn't have anything to do with Mir, just pure X
* Kevin mentioned: its my understanding that there was (is?) a cache coherency
bug in the intel driver
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Any suggestions for workarounds appreciated. The system is hardly usable
with the external monitor (e.g. surfing on the web & scrolling).
I tried lxde desktop, it behaves the same.
Thanks!
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On the external monitor. Built-in laptop display seems to be fine.
Note: symptoms include slow-motion typing, e.g. letters appear on screen
0.5sec later than typed.
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On which display do you see the cursor artifacts?
** Summary changed:
- Frequent display artifacts, take 2
+ [prime] Frequent display artifacts, take 2
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I think it's a daily after beta-1. It's up to date with latest Saucy
upgrades.
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https://bugs.launchpad.net/bugs/1228506
Title:
Frequent display artifacts, take
Which build of Saucy was this issue found in? (beta-1, or one of the
daily builds)
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https://bugs.launchpad.net/bugs/1228506
Title:
Frequent display artifacts, t
Public bug reported:
Symptoms are the same as in bug
https://bugs.launchpad.net/ubuntu/+source/unity-system-compositor/+bug/1221399
For example, see attached photo, replicable 100% just by moving the mouse fast.
In bug https://bugs.launchpad.net/xmir/+bug/1218735 I was told to fill a
new bug.
N
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