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[Bug 1032936] Re: Scrolling right in java apps distorts screen

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From: Bug Watch Updater <1032936@xxxxxxxxxxxxxxxxxx>
Date: Mon, 14 Oct 2013 17:37:36 -0000
Reply-to: Bug 1032936 <1032936@xxxxxxxxxxxxxxxxxx>
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On 2011-09-21T08:14:55+00:00 Harald Judt wrote:

Created attachment 51459
Screenshot showing garbage area after scrolling to the right.

Example application for testing: TV Browser (see screenshot)

When scrolling to the right, the contents of the scrolled area become
garbled. Moving the mouse pointer over elements in the garbled area
apparently causes a redraw of that element, fixing the issue, but the
other elements are not redrawn.

This does not occur when scrolling to the left. If the area is garbled
and one scrolls to the left, everything is redrawn and appears correctly
again.

This may be confined to java applications, and I only noticed this in
tvbrowser (http://tvbrowser.org). Unfortunately I don't have any other
java applications available to test.

Reproducible on the following hardware:
ATI Technologies Inc Mobility Radeon HD 3400 Series
ATI Technologies Inc Device 6719 (HD 6950 Cayman)

Reply at:
https://bugs.launchpad.net/ubuntu/+source/openjdk-6/+bug/1032936/comments/0

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On 2011-10-05T06:55:35+00:00 Michel-daenzer wrote:

I can't seem to reproduce this on an RS880. Please attach the full
Xorg.0.log file.

Reply at:
https://bugs.launchpad.net/ubuntu/+source/openjdk-6/+bug/1032936/comments/1

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On 2011-10-05T07:07:58+00:00 Harald Judt wrote:

Created attachment 52006
Xorg.0.log

Here you are. For me, it's easily visible when dragging the horizontal
scrollbar to the right.

Reply at:
https://bugs.launchpad.net/ubuntu/+source/openjdk-6/+bug/1032936/comments/2

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On 2011-10-05T07:23:07+00:00 Michel-daenzer wrote:

What JRE/JDK are you using, and which rendering backend does it use? Did
you make any changes in TV Browser's graphical settings? ...

Ideal would be some kind of simple test app or replayable trace which
could be used to reproduce the problem independently from all such
variables.

Reply at:
https://bugs.launchpad.net/ubuntu/+source/openjdk-6/+bug/1032936/comments/3

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On 2011-10-05T07:39:57+00:00 Harald Judt wrote:

> What JRE/JDK are you using, and which rendering backend does it use?

I'm using sun-jdk-1.6.0.27 (amd64).

> Did you make any changes in TV Browser's graphical settings? ...

I've started with a clean profile and did not change any settings.

> Ideal would be some kind of simple test app or replayable trace which
> could be used to reproduce the problem independently from all such variables.

I'm sorry, but I can't provide this. This could of course be a bug in
tvbrowser, as I don't have such issues with eclipse, but that may do the
rendering in a completely different way after all. I've learned in the
tvbrowser forum that the application has some display problems, though
nothing that would compare to my issue here.

I will try to reproduce this with the nouveau driver *with the same
config* and report back, just to be sure. Last time I tried the garbage
problem did not occur though that was quite a while ago and may have
been with an older version of tvbrowser. Unfortunately, it will take
some time until I get to a machine using nvidia hardware.

Thanks for your help so far.

Reply at:
https://bugs.launchpad.net/ubuntu/+source/openjdk-6/+bug/1032936/comments/4

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On 2011-10-19T14:51:59+00:00 Matthias Bläsing wrote:

Created attachment 52553
garbadge in gnome-terminal

This problem also shows in ubuntu after upgrading from natty+xorg-edgers
to oneiric. (See attached screenshot)

Then it not only happens in tvbrowser (there also).

The corruptions appear randomly all over the screen. What can be done to
further investigate - as it is now, I can not seriously work with the
system.

Reply at:
https://bugs.launchpad.net/ubuntu/+source/openjdk-6/+bug/1032936/comments/5

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On 2011-10-20T07:18:43+00:00 Michel-daenzer wrote:

(In reply to comment #5)
> This problem also shows in ubuntu after upgrading from natty+xorg-edgers to
> oneiric. (See attached screenshot)

Why do you think it's the same bug? It seems rather unlikely.

Please file your own bug with all the relevant information.

Reply at:
https://bugs.launchpad.net/ubuntu/+source/openjdk-6/+bug/1032936/comments/6

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On 2011-10-20T11:43:49+00:00 Matthias Bläsing wrote:

>Why do you think it's the same bug? It seems rather unlikely.

Because the tvbrowser corruption happens since the upgrade and I saw the
described other effect additionally - so the problems both started with
the upgrade. But I'll stay away from this bug and just monitor it. Maybe
your interested in the fact, that the terminal corruptions are gone
after removing some remaining packages from the xorg-edgers PPA und that
the tvbrowser corruptions are now still happening, but less often.

Reply at:
https://bugs.launchpad.net/ubuntu/+source/openjdk-6/+bug/1032936/comments/7

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On 2011-10-26T09:58:48+00:00 Harald Judt wrote:

No garbage visible with nouveau driver and nVidia Corporation G70
[GeForce 7800 GS] (rev a2). Same versions of JDK and tvbrowser.

I changed the title to be a little more specific ;-)

Reply at:
https://bugs.launchpad.net/ubuntu/+source/openjdk-6/+bug/1032936/comments/8

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On 2011-12-10T19:35:59+00:00 Andre Tomt wrote:

I'm seeing similar corruption with tvbrowser, however I cant make it
'stick'. It corrupts only during the scrolling, and as mentioned, only
when scolling sideways to the right. I do however see similar corruption
a lot in other apps, that sticks until redraw. And it seems related to
text rendering, not especially to scrolling. I suspect its the same
issue as the corruption looks quite similar.

I see it most often in the bookmarks bar of Chromium, there it shows up
usually after 1-2 hovers with the mouse pointer. Just make sure the bar
is visible, and add some bookmarks there (with label). Sometimes gnome-
terminal also corrupts, and for example the torrent list in
Transmission. When I focus the window, the corruption disapears (until
it corrupts again), probably gets redrawn?

AFAICT it is independent of compositing; it happens in gnome's fallback
mode also, and xfce4 w/ compositing disabled.

Attaching a screen shot that shows both chromium and gnome-terminal
corrupting.

Using the same xorg stack I see it on AMD Radeon HD4780, HD5450, HD5770
and HD6670, but not on Intel HD2000 (Sandy Bridge). Verified with kernel
3.0.x, 3.1.x and 3.2-rc5. No xorg.conf, no weird radeon module options.

The stack looks like this, its basicly pure builds from git, with xorg core from the 1.11 branch (xorg-edgers PPA on Ubuntu 11.10):
libdrm-dev 2.4.28+git20111207.dd9a5b4f-0ubuntu0sarvatt~oneiric
libdrm-intel1 2.4.28+git20111207.dd9a5b4f-0ubuntu0sarvatt~oneiric
libdrm-nouveau1a 2.4.28+git20111207.dd9a5b4f-0ubuntu0sarvatt~oneiric
libdrm-radeon1 2.4.28+git20111207.dd9a5b4f-0ubuntu0sarvatt~oneiric
libdrm2 2.4.28+git20111207.dd9a5b4f-0ubuntu0sarvatt~oneiric
libegl1-mesa 7.12.0~git20111209.eefff370-0ubuntu0sarvatt~oneiric
libegl1-mesa-dev 7.12.0~git20111209.eefff370-0ubuntu0sarvatt~oneiric
libegl1-mesa-drivers 7.12.0~git20111209.eefff370-0ubuntu0sarvatt~oneiric
libgbm1 7.12.0~git20111209.eefff370-0ubuntu0sarvatt~oneiric
libgl1-mesa-dev 7.12.0~git20111209.eefff370-0ubuntu0sarvatt~oneiric
libgl1-mesa-dri 7.12.0~git20111209.eefff370-0ubuntu0sarvatt~oneiric
libgl1-mesa-glx 7.12.0~git20111209.eefff370-0ubuntu0sarvatt~oneiric
libglapi-mesa 7.12.0~git20111209.eefff370-0ubuntu0sarvatt~oneiric
libglu1-mesa 7.12.0~git20111209.eefff370-0ubuntu0sarvatt~oneiric
libkms1 2.4.28+git20111207.dd9a5b4f-0ubuntu0sarvatt~oneiric
libopenvg1-mesa 7.12.0~git20111209.eefff370-0ubuntu0sarvatt~oneiric
mesa-common-dev 7.12.0~git20111209.eefff370-0ubuntu0sarvatt~oneiric
xserver-common 2:1.11.2.902+git20111209+server-1.11-branch.0ca8869e-0ubuntu0sarvatt~oneiric
xserver-xorg-core 2:1.11.2.902+git20111209+server-1.11-branch.0ca8869e-0ubuntu0sarvatt~oneiric
xserver-xorg-input-evdev 1:2.6.99+git20111201.a9cdb659-0ubuntu0sarvatt~oneiric
xserver-xorg-input-mouse 1:1.7.1+git20111207.8bc8502c-0ubuntu0sarvatt~oneiric
xserver-xorg-input-vmmouse 1:12.7.0+git20111109.fd140bfb-0ubuntu0sarvatt2~oneiric
xserver-xorg-video-ati 1:6.14.99+git20111207.bc54e415-0ubuntu0sarvatt~oneiric
xserver-xorg-video-cirrus 1:1.3.2+git20110912.e4f80ffd-0ubuntu0sarvatt
xserver-xorg-video-fbdev 1:0.4.2+git20111109.a8721393-0ubuntu0sarvatt~oneiric
xserver-xorg-video-intel 2:2.17.0+git20111209.429a36f7-0ubuntu0sarvatt~oneiric
xserver-xorg-video-mach64 6.9.0+git20111109.0de23432-0ubuntu0sarvatt~oneiric
xserver-xorg-video-mga 1:1.4.13.dsfg+git20110928.07792ef4-0ubuntu0sarvatt
xserver-xorg-video-neomagic 1:1.2.5+git20111109.f2a771c6-0ubuntu0sarvatt~oneiric
xserver-xorg-video-nouveau 1:0.0.16+git20111207.3d2a752c-0ubuntu0sarvatt~oneiric
xserver-xorg-video-openchrome 1:0.2.904+svn920-1ubuntu0sarvatt
xserver-xorg-video-r128 6.8.1+git20111109.67aaa469-0ubuntu0sarvatt~oneiric
xserver-xorg-video-radeon 1:6.14.99+git20111207.bc54e415-0ubuntu0sarvatt~oneiric
xserver-xorg-video-s3 1:0.6.3+git20111109.381ace93-0ubuntu0sarvatt~oneiric
xserver-xorg-video-savage 1:2.3.3+git20111109.8b9c81ba-0ubuntu0sarvatt~oneiric
xserver-xorg-video-siliconmotion 1:1.7.5+git20111118.7d9c1a49-0ubuntu0sarvatt~oneiric
xserver-xorg-video-sis 1:0.10.3+git20110913.94f23a56+really0.10.3-0ubuntu0sarvatt
xserver-xorg-video-sisusb 1:0.9.4+git20111109.02451944-0ubuntu0sarvatt~oneiric
xserver-xorg-video-tdfx 1:1.4.3+git20111118.4ea96c22-0ubuntu0sarvatt~oneiric
xserver-xorg-video-trident 1:1.3.4+git20111109.6afbfaf6-0ubuntu0sarvatt~oneiric
xserver-xorg-video-vesa 1:2.3.0+git20111109.4ba7306f-0ubuntu0sarvatt~oneiric
xserver-xorg-video-vmware 1:11.0.99.901+git20111123.abf9cb75-0ubuntu0sarvatt~oneiric

Will try to run some more tests tomorrow.. Maybe narrow it down to a
particular component and start bisecting it.

Reply at:
https://bugs.launchpad.net/ubuntu/+source/openjdk-6/+bug/1032936/comments/9

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On 2011-12-10T19:37:05+00:00 Andre Tomt wrote:

Created attachment 54311
chromium and gnome-terminal corruption

Reply at:
https://bugs.launchpad.net/ubuntu/+source/openjdk-6/+bug/1032936/comments/10

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On 2011-12-10T19:43:05+00:00 Andre Tomt wrote:

(In reply to comment #9)
Ok, so that list wrapped badly. Lets remove redudant information and try again shall we ;-)

libdrm-dev 2.4.28+git20111207.dd9a5b4f
libdrm-intel1 2.4.28+git20111207.dd9a5b4f
libdrm-nouveau1a 2.4.28+git20111207.dd9a5b4f
libdrm-radeon1 2.4.28+git20111207.dd9a5b4f
libdrm2 2.4.28+git20111207.dd9a5b4f
libegl1-mesa 7.12.0~git20111209.eefff370
libegl1-mesa-dev 7.12.0~git20111209.eefff370
libegl1-mesa-drivers 7.12.0~git20111209.eefff370
libgbm1 7.12.0~git20111209.eefff370
libgl1-mesa-dev 7.12.0~git20111209.eefff370
libgl1-mesa-dri 7.12.0~git20111209.eefff370
libgl1-mesa-glx 7.12.0~git20111209.eefff370
libglapi-mesa 7.12.0~git20111209.eefff370
libglu1-mesa 7.12.0~git20111209.eefff370
libkms1 2.4.28+git20111207.dd9a5b4f
libopenvg1-mesa 7.12.0~git20111209.eefff370
mesa-common-dev 7.12.0~git20111209.eefff370
xserver-common 2:1.11.2.902+git20111209+server-1.11-branch.0ca8869e
xserver-xorg-core 2:1.11.2.902+git20111209+server-1.11-branch.0ca8869e
xserver-xorg-input-evdev 1:2.6.99+git20111201.a9cdb659
xserver-xorg-input-mouse 1:1.7.1+git20111207.8bc8502c
xserver-xorg-video-ati 1:6.14.99+git20111207.bc54e415
xserver-xorg-video-intel 2:2.17.0+git20111209.429a36f7
xserver-xorg-video-nouveau 1:0.0.16+git20111207.3d2a752c
xserver-xorg-video-radeon 1:6.14.99+git20111207.bc54e415

Reply at:
https://bugs.launchpad.net/ubuntu/+source/openjdk-6/+bug/1032936/comments/11

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On 2011-12-11T12:39:16+00:00 Andre Tomt wrote:

A couple of new data points:

Option "NoAccel" "true" shows no corruption.
Reverting to an older known good radeon driver version, but on this newer xorg stack still shows corruption.

So I will now try to focus on xorg core. I'm starting to think this is
an issue with EXA acceleration (which intel is not using, it seems).
Setting XAA with KMS didnt work..

Reply at:
https://bugs.launchpad.net/ubuntu/+source/openjdk-6/+bug/1032936/comments/12

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On 2011-12-11T12:53:37+00:00 Andre Tomt wrote:

Oh, Option "EXAPixmaps" "false" seems to fix/workaround most of the
problems.

Still seeing some corruption while right-scrolling the tvbrowser app,
but everything else seems clean.

Reply at:
https://bugs.launchpad.net/ubuntu/+source/openjdk-6/+bug/1032936/comments/13

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On 2011-12-15T12:05:10+00:00 Harald Judt wrote:

Magic worked its way, and this has been fixed recently. I don't know
which component it was, but I can exclude with certainty sun-jdk,
tvbrowser, the kernel and most probably xf86-video-ati.

I think the other types of corruption reported here (chromium, gnome-
terminal) are not related to my issue.

Reply at:
https://bugs.launchpad.net/ubuntu/+source/openjdk-6/+bug/1032936/comments/14

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On 2012-12-19T14:13:32+00:00 Jochen Fahrner wrote:

This bug is still unsolved for me. I'm having Nvidia graphics card
(Macbook 5,1) and using Ubuntu 12.04 with proprietary Nvidia driver.

Reply at:
https://bugs.launchpad.net/ubuntu/+source/openjdk-6/+bug/1032936/comments/20

** Changed in: openjdk
Status: Unknown => Confirmed

** Changed in: openjdk
Importance: Unknown => Medium

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https://bugs.launchpad.net/bugs/1032936

Title:
Scrolling right in java apps distorts screen

Status in OpenJDK:
Confirmed
Status in “openjdk-6” package in Ubuntu:
Confirmed
Status in “openjdk-7” package in Ubuntu:
Confirmed

Bug description:
I have the same problem as reported here:
https://bugs.freedesktop.org/show_bug.cgi?id=41086

When scrolling right in Java apps the screen becomes distorted. This
does not happen when scrolling left.

See attached screenshot of TV-Browser where this happens normally.
After making the screenshot the distortion is away. Looks like the screen is redrwan after that.

Some more details:

In the above mentioned bug report the user has a AMD graphics card.
I'm using the proprietary Nvidia driver, so I think it's not the
graphics driver.

Since this only happens in java apps this must have something to do
with openjdk.

This problem only exists with Unity (compiz) not with Unity 2D
(metacity). So I think this is a problem with java graphics and
compositing.

See also here:
http://hilfe.tvbrowser.org/viewtopic.php?f=14&t=14852

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References

[Bug 1032936] [NEW] Scrolling right in java apps distorts screen
From: Jochen Fahrner, 2012-08-04