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On 2016-10-01T12:21:30+00:00 Daniel Boles wrote:

Created attachment 336725
screencast

The title and attached screen recording basically say it all.

The square overlays showing the new value for brightness or volume
change their horizontal location slightly each time the value is changed
- if and only if it's being changed to/from something above 50%. When
changing between values at/below 50%, the overlay stays in the same
position, as it should.

fwiw, I don't recall this happening before, so either (A) my memory is
rubbish (very likely), or (B) it's a new thing that just started
happening in the last day or 2.

Reply at: https://bugs.launchpad.net/ubuntu/+source/gnome-
shell/+bug/1692394/comments/0

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On 2016-10-08T20:24:48+00:00 Florian-muellner wrote:

*** Bug 772625 has been marked as a duplicate of this bug. ***

Reply at: https://bugs.launchpad.net/ubuntu/+source/gnome-
shell/+bug/1692394/comments/1

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On 2016-10-11T00:03:20+00:00 Cosimo-cecchi wrote:

Created attachment 337381
osdWindow: always round-up sizes when updating allocation

This fixes the OSD window flickering horizontally at certain
resolutions.

Reply at: https://bugs.launchpad.net/ubuntu/+source/gnome-
shell/+bug/1692394/comments/2

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On 2016-10-11T00:14:18+00:00 Florian-muellner wrote:

Review of attachment 337381:

OK

Reply at: https://bugs.launchpad.net/ubuntu/+source/gnome-
shell/+bug/1692394/comments/3

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On 2016-10-11T00:25:33+00:00 Cosimo-cecchi wrote:

Attachment 337381 pushed as f819654 - osdWindow: always round-up sizes
when updating allocation

Reply at: https://bugs.launchpad.net/ubuntu/+source/gnome-
shell/+bug/1692394/comments/4

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On 2016-11-08T16:32:00+00:00 Florian-muellner wrote:

*** Bug 774088 has been marked as a duplicate of this bug. ***

Reply at: https://bugs.launchpad.net/ubuntu/+source/gnome-
shell/+bug/1692394/comments/5

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On 2016-11-13T17:36:36+00:00 Florian-muellner wrote:

*** Bug 774369 has been marked as a duplicate of this bug. ***

Reply at: https://bugs.launchpad.net/ubuntu/+source/gnome-
shell/+bug/1692394/comments/6

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On 2017-11-15T19:23:46+00:00 A-gnome wrote:

Created attachment 363743
Screenshot of OSD

Hi, since Gnome 3.24 (Fedora 26) and Gnome 3.26 (Fedora 27), I also
experience the same bug on all of my machines. The volume and brightness
OSD jitters above 50%.

This happens on my laptop (1366x768), my desktop (1920x1200) and my work
setup (dual monitors, dual 1920x1200). I also tested this with Ubuntu
17.10, with the same result.

I have no extensions running, just a vanilla Gnome 3.26 setup on all of
my machines.

Besides the jitter, I also have a graphic issue since Gnome 3.22, see
the attachment. This grahical glitch ONLY happens when animations are
ON. When the animations are OFF, the graphical glitch does not happen,
just the jitter.

Reply at: https://bugs.launchpad.net/ubuntu/+source/gnome-
shell/+bug/1692394/comments/10

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On 2017-11-15T19:32:03+00:00 A-gnome wrote:

BTW, my shell version is:

gnome-shell.x86_64   3.26.2-1.fc27

Reply at: https://bugs.launchpad.net/ubuntu/+source/gnome-
shell/+bug/1692394/comments/11

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On 2017-11-15T19:58:33+00:00 Daniel Boles wrote:

You should reopen this bug if you can still demonstrate the same
problem. A video of your system would be good to confirm it's likely the
exact same thing.

For the other issue - which ideally would have a textual description
too, but presumably is incorrect placement/clipping of the graphics? -
you should open a new bug report.

Reply at: https://bugs.launchpad.net/ubuntu/+source/gnome-
shell/+bug/1692394/comments/12

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On 2017-11-15T20:09:12+00:00 Alessandro-bono369 wrote:

Created attachment 363759
volume overlay jittering

(In reply to Daniel Boles from comment #9)
> You should reopen this bug if you can still demonstrate the same problem. A
> video of your system would be good to confirm it's likely the exact same
> thing.

I have the same problem with Fedora 27. A screencast is attached.

Reply at: https://bugs.launchpad.net/ubuntu/+source/gnome-
shell/+bug/1692394/comments/13

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On 2017-11-15T20:26:33+00:00 A-gnome wrote:

(In reply to Daniel Boles from comment #9)
> For the other issue - which ideally would have a textual description too,
> but presumably is incorrect placement/clipping of the graphics? - you should
> open a new bug report.

Thank you, I have opened that bug here:
https://bugzilla.gnome.org/show_bug.cgi?id=790413

Reply at: https://bugs.launchpad.net/ubuntu/+source/gnome-
shell/+bug/1692394/comments/14

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On 2017-11-19T20:37:27+00:00 Daniel Boles wrote:

(In reply to Kadir from comment #8)
> BTW, my shell version is:
> 
> gnome-shell.x86_64   3.26.2-1.fc27

Conversely, I haven't seen this reoccur yet, and I'm currently on Debian
with gnome-shell_3.26.2-1_amd64.deb (and X, fwiw)

Reply at: https://bugs.launchpad.net/ubuntu/+source/gnome-
shell/+bug/1692394/comments/15

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On 2017-11-19T20:40:18+00:00 Lionel Landwerlin wrote:

I can still see this issue on 3.26.2.

Reply at: https://bugs.launchpad.net/ubuntu/+source/gnome-
shell/+bug/1692394/comments/16

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On 2017-11-20T17:41:06+00:00 A-gnome wrote:

Created attachment 364064
Jitter at 1920x1200

With a freshly installed and fully updated Fedora 27 install (with
gnome-shell.x86_64 version 3.26.2-1.fc27), I see the jitter above 50%.
The system is a desktop with a monitor resolution of 1920x1200.

No extensions, shell/gtk themes or icon themes installed, a fully stock
system.

Reply at: https://bugs.launchpad.net/ubuntu/+source/gnome-
shell/+bug/1692394/comments/17

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On 2017-11-20T19:10:11+00:00 Daniel Boles wrote:

I wrote a big post with my versions of gjs, libmozjs, etc. Then
discarded it by accident. :|

Suffice it to say the machine in question, which does not exhibit the
jitter, is running Debian unstable, fully up-to-date as of yesterday, on
a 1920x1080 screen with scaling 1, font size 10, the stock theme, and a
handful of the standard extensions turned on.

Reply at: https://bugs.launchpad.net/ubuntu/+source/gnome-
shell/+bug/1692394/comments/18

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On 2017-12-29T09:55:41+00:00 Florian-muellner wrote:

*** Bug 792023 has been marked as a duplicate of this bug. ***

Reply at: https://bugs.launchpad.net/ubuntu/+source/gnome-
shell/+bug/1692394/comments/19

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On 2018-04-13T14:48:13+00:00 Florian-muellner wrote:

*** Bug 778546 has been marked as a duplicate of this bug. ***

Reply at: https://bugs.launchpad.net/ubuntu/+source/gnome-
shell/+bug/1692394/comments/21

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On 2018-06-05T09:19:37+00:00 Daniel van Vugt wrote:

Please see attachment 352891 in bug 782011 for a potential fix.

Reply at: https://bugs.launchpad.net/ubuntu/+source/gnome-
shell/+bug/1692394/comments/26

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On 2018-06-06T11:03:50+00:00 Slatchurie wrote:

Created attachment 372570
osdWindow: change the centering calculation

The current method relies on Clutter.ActorAlign.CENTER.
But it doesn't take into account the new size of the OSD, and
another calculation has to be made to correct it.
When the level bar is wide enough, a jitter of 1px can appear
from the difference between the two centering methods.

This moves the centering calculation from the screen actor to the
constraint box of the OSD.

Reply at: https://bugs.launchpad.net/ubuntu/+source/gnome-
shell/+bug/1692394/comments/27

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On 2018-07-11T11:10:46+00:00 Florian-muellner wrote:

*** Bug 782011 has been marked as a duplicate of this bug. ***

Reply at: https://bugs.launchpad.net/ubuntu/+source/gnome-
shell/+bug/1692394/comments/28

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On 2018-07-26T03:38:04+00:00 Daniel van Vugt wrote:

Downstream: https://launchpad.net/bugs/1692394

Reply at: https://bugs.launchpad.net/ubuntu/+source/gnome-
shell/+bug/1692394/comments/29

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On 2018-07-26T09:56:42+00:00 Jonas Ã…dahl wrote:

slatchurie, could you turn this into a merge request on gitlab?

Reply at: https://bugs.launchpad.net/ubuntu/+source/gnome-
shell/+bug/1692394/comments/30

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On 2018-08-23T19:24:56+00:00 Florian-muellner wrote:

It's possible that the issue has been fixed in
https://gitlab.gnome.org/GNOME/gnome-shell/merge_requests/2, as the
level bar is (once again) a custom drawn actor instead of a fill-level
actor inside a trough actor.

Reply at: https://bugs.launchpad.net/ubuntu/+source/gnome-
shell/+bug/1692394/comments/31

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On 2018-08-23T21:05:30+00:00 Lionel Landwerlin wrote:

I can still reproduce on 3.28.3, I can't really tell what version that
merge request ended up in.

Reply at: https://bugs.launchpad.net/ubuntu/+source/gnome-
shell/+bug/1692394/comments/32

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On 2018-08-23T21:12:59+00:00 Florian-muellner wrote:

Sorry I haven't been more clear. The merge request wasn't about this
issue at all, but about implementing a feature - it just happened that
the involved refactoring touched (and replaced) the code that was
previously identified to cause the jiggling, which is why it's possible
that the issue is fixed.

But being a larger patch set that involves UI changes and refactoring,
we are talking about an unstable change (3.29.90 to be precise).

Reply at: https://bugs.launchpad.net/ubuntu/+source/gnome-
shell/+bug/1692394/comments/33


** Changed in: gnome-shell
       Status: Unknown => Confirmed

** Changed in: gnome-shell
   Importance: Unknown => Medium

** Bug watch added: bugzilla.gnome.org/ #790413
   https://bugzilla.gnome.org/show_bug.cgi?id=790413

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Title:
  Speaker volume overlay sometimes jitters left/right slightly when
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