Thanks for this Ted!
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Title:
Need API to allow shell to choose custom OOM killer scores
To manage notifications about this bug go to:
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I'd be interested if this makes any impact:
https://code.launchpad.net/~gerboland/qtubuntu/eglconvenience-
retry/+merge/298114
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Title:
/usr/bin/w
lttng-ust used at runtime, is useful for event tracing. We dynamically
link to the library currently, but we can refactor to dlload it...
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Title:
Ah no, I'm reading the API wrong (kudos to faenil for correcting me):
QPoint pixelDelta
is in integers, as are all QWheelEvent calculations. So that's not going to
work without breaking Qt APIs, which is unlikely.
An alternative option might be to us Qt's support for native gesture
events - this
Are you looking at the right code? I see this from Qt5.4 source
(qtbase/src/gui/kernel/qwindowsysteminterface.h)
static void handleWheelEvent(QWindow *w, const QPointF & local, const
QPointF & global, QPoint pixelDelta, QPoint angleDelta, Qt::KeyboardModifiers
mods = Qt::NoModifier, Qt::Scro
https://github.com/libhybris/libhybris/pull/316 has been landed. I can
remove the QtUbuntu workaround
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Title:
Terminal app crashes with "Failed t
Of course we will. We need to re-land the fix. It was reverted because
it broke something else, but that's been solved now. Sorry for the
delay, but it takes time to get things done just right.
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Also worth noting, there are env vars:
QT_DEFAULT_TEXTURE_GLYPH_CACHE_WIDTH & HEIGHT to set the size of the glyph
cache. Need to see what size texture Qt is creating, perhaps it is creating one
too large for the hardware
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That would imply the distance field texture is corrupted.
As a note to myself, there is a nice glyph test application in this bug:
https://bugreports.qt.io/browse/QTBUG-49490
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If you can reproduce this relative easily, could you try setting
QML_USE_GLYPHCACHE_WORKAROUND=1 for unity8. This should do the trick:
stop unity8 && start unity8 QML_USE_GLYPHCACHE_WORKAROUND=1
Can also try these:
QSG_DISTANCEFIELD_ANTIALIASING=subpixel-lowq or gray
Need to determine if that te
"this functionality" = current form factor? Or is there more you need?
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Title:
Google search page is scaled on window resize
To manage notificat
Unity8/QtMir/Mir is not updating the display configuration when changing
from tablet to desktop mode, so clients cannot tell what mode they
should appear in.
QtMir needs to allow Unity8 to set the form factor property on the Display.
Mir needs to fix https://bugs.launchpad.net/mir/+bug/1556142 so
QPA has nothing to do with rendering itself, and only selects the
default unix font renderer for Qt to use.
We need information on your hardware, linux install, GPU, etc. I suspect
a MESA bug.
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** Changed in: ubuntu-ui-toolkit (Ubuntu)
Importance: Undecided => High
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Title:
UbuntuShape on intel i915 (Atom) uses fallback CPU rendering
https://github.com/libhybris/libhybris/pull/316 has a better solution to
this issue for now
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Title:
Terminal app crashes with "Failed to load lib
Digging into the actual root cause, QOpenGLES3Helper has QLibrary load
"libGLESv2.so" but this is failing. Using LD_DEBUG=libs you can see:
5646: find library=libGLESv2.so [0]; searching
5646: search path=/vendor/lib:/system/lib
(LD_LIBRARY_PATH)
5646:
My eglconvenience branch does cause this, but annoyingly by doing the
correct thing.
Before eglconvenience, we hardcoded GLESv2.0 into QtUbuntu. With
eglconvenience, we query the GL version string and correctly fetch the
GL version the driver supports. On several of our devices, that is
actually G
** Also affects: qtubuntu
Importance: Undecided
Status: New
** Changed in: qtubuntu
Status: New => Triaged
** Changed in: qtubuntu
Importance: Undecided => Medium
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ht
Public bug reported:
Using Unity8 as desktop, using Terminal app, the Launcher pops out
quickly any time you install/remove any package.
To repro:
apt-get install
It should really only pop out when something in the Launcher changes
** Affects: unity8 (Ubuntu)
Importance: Undecided
Adding QtMir as from Qt5.5 and later, the QPA plugin can specify the
subpixel hinting to Qt's font renderer (is part of QPlatformScreen
implementation).
** Also affects: qtmir
Importance: Undecided
Status: New
** Changed in: qtmir
Status: New => Triaged
** Changed in: qtmir
I
Hi Mikodo,
thank you for your messages on this topic. Accessibility is something we need
to work on for Unity8. We have plenty to do, from the visual assistance
features you've mentioned, to proper keyboard navigation and text-to-speech
support. We have a solid list of TODOs (we had a meeting on
** Changed in: qtubuntu-media (Ubuntu)
Status: New => Confirmed
** Tags added: performance
** Tags added: kpi
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Title:
Creating an Audio
** Also affects: qtmir (Ubuntu)
Importance: Undecided
Status: New
** Also affects: unity8 (Ubuntu)
Importance: Undecided
Status: New
** Changed in: qtmir (Ubuntu)
Status: New => Confirmed
** Changed in: unity8 (Ubuntu)
Status: New => Confirmed
** Changed in: qt
Ambition is to be able to run:
1. multiple instances (i.e. unique PIDs) of the same application
2. multiple versions of the same application (same appId name, but different
versions)
Shell will need to combine all entries of 1. under the same icon on the
launcher (as Unity7 does now). For 2, migh
** Also affects: qtmir (Ubuntu)
Importance: Undecided
Status: New
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Title:
Need to support multiple instances of applications
To manage
I can't repro this any more. Closing
** Changed in: unity8 (Ubuntu)
Status: In Progress => Won't Fix
** Changed in: unity8 (Ubuntu)
Status: Won't Fix => Invalid
** Changed in: unity8 (Ubuntu Vivid)
Status: In Progress => Invalid
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arm64? Should it not be using a hybris-based driver instead of mesa?
What hardware is this?
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Title:
Mesa causes a segmentation fault on arm64 (wr
Yep. The branch has been approved, will take a while to get it landed.
Note that it will be almost unusable until bug 1585723 is resolved.
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Title:
Newer version of LTTng landed
** Changed in: telegram-app
Status: New => Invalid
** Changed in: webbrowser-app (Ubuntu)
Status: Confirmed => Invalid
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Ouch, on the hardware I have access to to test on, even a single Ubuntu
Shape in a simple QML file has a massive hit on rendering performance.
Rendering times went up 130ms *per shape*!
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h
FYI: INTEL_DEBUG=all is useful, it shows the opcodes mesa is generating
from your shaders.
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Title:
UbuntuShape on intel i915 (Atom) uses fallback
I've updated the attached branch with my proposed fix.
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Title:
Unity8-dash on Intel Atom graphics crashes and restarts continuously
[qtubuntu:
Using simple test apps (lp:~gerboland/+junk/openglwindow &
lp:~gerboland/+junk/qquickwindow-debug), it appears that yes Qt is using
OpenGL 1.4 on X for both raw GL and QtQuick apps.
./qquickwindow-debug
Window format: QSurfaceFormat(version 2.0, options QFlags(), depthBufferSize
24, redBufferSiz
Ok, I suspect I have found the issue. Seems this hardware only supports
OpenGL 1.4 compatibility profile. Qt's EGL code is asking for at least
version 2.0, and so getting no valid context back.
Could you please install "mesa-utils" package and run "glxinfo". On the
hardware I have access to, I see
/me has to stop using "Ok, " at the start of his sentences
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Title:
Unity8-dash on Intel Atom graphics crashes and restarts continuously
[qtubun
Public bug reported:
I'm digging into unity8 performance problems on older generation Intel
GPUs - specifically i915 Atom GPUs.
I've tested a simple QML file with a single empty UbuntuShape in it:
import QtQuick 2.4
import Ubuntu.Components 1.3
Rectangle {
width: 400
height: 300
col
Ok, I figured out hte EGL issue, it was my misunderstanding. Modifying the
tools to act correctly, I get this for eglinfo:
http://pastebin.ubuntu.com/16686113/
and the qteglchooser correctly chooses a valid Mir EGL config. Why Qt itself
cannot do this, I have yet to understand.
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Forgot to say, that was reproduced running the qteglchooser while there
was no X server running, instead just a Mir server running.
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Title:
Unity
Ok, progress, my tools can exhibit the problem:
http://pastebin.ubuntu.com/16677278/
Problems include:
1. libEGL warning: DRI3: xcb_connect failed<- should not be trying that
2. EGL version: 8.-1225087968<- this is garbage
I suspect that there is an issue with EGL.
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Googling around I found this:
https://bugs.freedesktop.org/show_bug.cgi?id=87478
which puts some blame on Qt's shaders for distance field text rendering.
Happier news is that Qt has options to either use a lower quality
distance field rendering approach (fewer ALU instructions) or disabling
distan
Hey Emanuele,
Albert got me the data I wanted from those tools, and the results are still
inconclusive. I think I need access to the hardware to make real progress on
this. So there's no need to bother with the trying those tools.
If you fancy a go, just to play:
1. Install build dependencies (I
faenil: well that used to be the case and then the appscope was
updated to auto refresh but still takes a little while to do that so the the
blue bouncing bar was at the bottom when you tried to open it initially it
might of still been updating the appscope which would mean you were using the
** Also affects: qtmir (Ubuntu)
Importance: Undecided
Status: New
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Title:
Apps sometimes get stuck on splashscreen on the first run aft
Hi Emanuele,
you attached a branch of mine to this bug - it makes our GL/EGL managing code
more robust. I had hoped it would fix this issue, but unfortunately it doesn't.
That's why I didn't attach that branch to this bug.
Annoyingly I don't have the hardware to hand either, so I'm flying
slight
It has been a year, I've not heard this complaint in some time. I'm
marking this as fixed, please re-open if it happens to you.
** Changed in: qtmir
Status: Triaged => Fix Released
** Changed in: qtubuntu
Status: Confirmed => Fix Released
** Changed in: qtmir (Ubuntu RTM)
St
QtMir not deciding to resample, that's unity8.
** Changed in: qtmir
Status: New => Invalid
** Changed in: qtmir (Ubuntu)
Status: New => Invalid
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In that case, shell should not resample events, and leave that up the
client, no?
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Title:
Clients can't get high resolution input in Unity8
To m
Hey Brandon, how can I reproduce this issue? If you could recommend a
simple client, it would be great
** Changed in: qtmir
Status: New => Incomplete
** Also affects: qtmir (Ubuntu)
Importance: Undecided
Status: New
** Changed in: qtmir (Ubuntu)
Status: New => Incomplete
I cannot reproduce this, must have been fixed along the way. Please re-
open if not
** Changed in: qtmir
Status: New => Fix Released
** Changed in: trust-store
Status: New => Fix Released
** Changed in: location-service (Ubuntu)
Status: New => Fix Released
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** Changed in: qtmir
Status: New => Confirmed
** Also affects: qtmir (Ubuntu)
Importance: Undecided
Status: New
** Changed in: qtmir (Ubuntu)
Status: New => Confirmed
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Lifecycle decisions now made by unity8, not qtmir/unity-mir.
Reassigning.
** Changed in: qtmir
Status: New => Invalid
** Changed in: unity-mir
Status: Triaged => Invalid
** Changed in: unity-mir (Ubuntu)
Status: Triaged => Invalid
** Also affects: unity8 (Ubuntu)
Importa
*** This bug is a duplicate of bug 1434584 ***
https://bugs.launchpad.net/bugs/1434584
** This bug is no longer a duplicate of bug 1304257
[enhancement] There should be a quit signal sent to sessions instead of
killing them directly
** This bug has been marked a duplicate of bug 1434584
*** This bug is a duplicate of bug 1434584 ***
https://bugs.launchpad.net/bugs/1434584
** This bug has been marked a duplicate of bug 1434584
closing an app by swiping it should graceful quit
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** Changed in: qtmir
Status: Fix Committed => Fix Released
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Title:
Unity8 (QtMir) crashed (on login or display change) in
TiledDisplayCo
How do I reproduce this Daniel?
** Changed in: qtmir
Status: New => Incomplete
** Changed in: qtmir (Ubuntu)
Status: New => Incomplete
** Changed in: unity8 (Ubuntu)
Status: New => Invalid
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Almost a year later, I've not heard of this issue cropping up recently.
I'm marking as invalid, but if anyone discovers this again, please re-
open and I'll look again.
** Changed in: qtmir
Status: New => Invalid
** Changed in: qtmir (Ubuntu)
Status: Confirmed => Invalid
** Changed
** Changed in: qtmir
Status: New => Confirmed
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Title:
OOM score for apps waiting on content hub should be adjusted
To manage notification
This is on Intel I guess? Your investigations into bug 1580792 does
point out that the driver complains of a bad argument to
glCopyTexSubImage - the only consumer of glCopyTexSubImage that I can
find is in the Qt's font rendering system - so if it fails, it would
cause font rendering issues. That's
@ted, you're not wrong, the default kernel OOM killer isn't ideal for
us. But writing a new one is a lot of work, especially as we have
several different kernel releases to deal with.
What would be less ideal, but most likely good enough to fix most user-
visible bugs in the short term, is to allo
** Changed in: qtmir (Ubuntu)
Assignee: Gerry Boland (gerboland) => Nick Dedekind (nick-dedekind)
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Title:
OOM killer score calculati
Ditto, hit me compiling the Ogre 3d engine. Resorted to above workaround
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Title:
ld: a.out: hidden symbol `__cpu_model' in /usr/lib/gcc/x86_64-li
It possible QtMir mis-using the Mir DisplayConfiguration API. Here is
our implementation:
http://bazaar.launchpad.net/~mir-
team/qtmir/trunk/view/head:/src/platforms/mirserver/mirdisplayconfigurationpolicy.cpp#L51
Let me know if something obviously wrong
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There appears to be a problem with the DisplayConfiguration::power_mode
flag in Mir.
I've added debug logging inside
ms::MediatingDisplayChanger::update_input_rectangles to print the
display configuration state. At startup, once unity8 starts, I see this
output from USC:
http://pastebin.ubuntu.co
mi::DisplayInputRegion::confine(geom::Point& point) is responsible for
confining the cursor position inside the display rectangles.
void
ms::MediatingDisplayChanger::update_input_rectangles(mg::DisplayConfiguration
const& config)
is that which configures DisplayInputRegion with the display recta
Looking at Mir's SurfaceInputDispatcher::deliver_pointer,
auto target = find_target_surface(event_x_y);
printf("input event target %p, pos: (%d,%d)\n", target.get(),
event_x_y.x.as_int(), event_x_y.y.as_int());
prints this when hitting the barrier:
input event target 0x562470, p
Public bug reported:
PUK entry screen being pushed down by snap decisions/notifications.
Krillin, flashed yesterday.
See screenshot
** Affects: unity8 (Ubuntu)
Importance: Undecided
Status: New
** Attachment added: "screenshot"
https://bugs.launchpad.net/bugs/1581498/+attachm
I've reported https://bugs.launchpad.net/mir/+bug/1580277 to raise the
GL/GLES combination problem with the Mir team
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Title:
Unity8 on Intel Pine
http://paste.ubuntu.com/16357238/ the output Qt gave me for the failing
eglCreateContext
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Title:
Qt clients on Intel Pineview graphics fail to cr
** Changed in: unity8 (Ubuntu)
Status: New => Confirmed
** Changed in: unity8 (Ubuntu)
Importance: Undecided => High
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Title:
Unity8 on
Just considering the Dash problem, the crash is a symptom of a bigger
problem: seems qtubuntu is unable to choose or manage the egl config
correctly. If a correct/working egl config was chosen, then this code
path wouldn't be entered (which has the "delete when not created" bug
seen here).
The act
Public bug reported:
(problem forked from bug 1549455)
Unity8 on Intel Pineview performs very poorly. Frame times appears to be
up to 900ms, Qt's renderer thread using 100% CPU.
Running unity8 with MESA_DEBUG=1 EGL_LOG_LEVEL=debug reveals a few MESA errors:
http://paste.ubuntu.com/16344427/
Quo
I suspect https://github.com/libhybris/libhybris/issues/315 is exactly
this issue.
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Title:
QOpenGL widget-based app crashing
To manage notificat
** Branch linked: lp:~aacid/unity8/lvwph_qt56_fix
** Changed in: unity8 (Ubuntu)
Status: New => In Progress
** Changed in: unity8 (Ubuntu)
Importance: Undecided => High
** Changed in: unity8 (Ubuntu)
Assignee: (unassigned) => Albert Astals Cid (aacid)
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I've looked into this a bit. Seems there's a change in behaviour between
Qt5.5 and 5.6 in how the Flickable's contentItem->width is initially set
- and this impacts the LVWPH
Try this demo Qt5.6 and LVWPH:
http://pastebin.ubuntu.com/16348569/
If you use anchors.fill, the contentItem width stays a
Albert was able to reproduce this on his netbook.
The dash issues we suspect are due to:
https://bugs.launchpad.net/qtubuntu/+bug/1580124
https://bugs.launchpad.net/qtubuntu/+bug/1580118
I suspect also that the poor unity8 performance is due to a GL/GLES mismatch in
unity8. Running unity8 with M
Qt has a bug report of a similar issue:
https://bugreports.qt.io/browse/QTBUG-48024 which may be avoidable with
care in qtmir.
** Changed in: unity8 (Ubuntu)
Status: New => Confirmed
** Also affects: qtmir (Ubuntu)
Importance: Undecided
Status: New
** Changed in: qtmir (Ubuntu)
Public bug reported:
The desire is to tune Xapps to be killed last in life cycle preferences,
since they are unable to restore their state.
Also shell needs to be able to set custom OOM scores for the application
spawning a trusted prompt helper, as well as that trust helper.
Instead of UAL tryi
Yep, as of now, you can fetch the shell mode by using the
QPlatformNativeInterface::windowProperty api to fetch a "formFactor"
property which will return an enum (look in mir for the enum
interpretation) indicating what mode the shell is in. Connect to
windowPropertyChanged for signal on change.
T
** Branch unlinked: lp:~gerboland/unity8/window-width-height-changes-
acted-upon-always
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Title:
Not requesting desktop content when connected to
Just hit this. Would be nice to fix please
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Title:
phablet-tools-citrain needs to depend on phablet-tools
To manage notifications about this bug
Hey again folks,
I've forward ported the 6.20 version of the bcmwl driver to work with Xenial,
as I also find 6.30 is unusably unstable on Xenial. I'm just pushing the source
here:
lp:~gerboland/+junk/bcmwl_kernel_source-6.20/
It's rough & ready, but should work.
I will put a pre-built package h
Hey again folks,
I've forward ported the 6.20 version of the bcmwl driver to work with Xenial,
as I also find 6.30 is unusably unstable on Xenial. I'm just pushing the source
here:
lp:~gerboland/+junk/bcmwl_kernel_source-6.20/
It's rough & ready, but should work.
I will put a pre-built package h
Doing a grep in my directory which holds a bunch of applications, I see
quite a few are using the desktop_file_hint flag. I think those that
point it to /usr/share/applications will succeed, so they'll be ok. But
we might break other AP tests I don't have locally
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Public bug reported:
I'm trying to run the ubuntu-ui-toolkit autopilot tests on today's
image.
First off, they could cause unity8 to crash, which is bug 1578258 which can be
resolved with
https://code.launchpad.net/~gerboland/qtmir/ual-catch-exception/+merge/293805
That causes unity8 to report
Can reproduce this by doing:
ubuntu-app-launch ubuntu-ui-toolkit-gallery
from the command line!
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Title:
Crash in ubuntu::app_launch::Applicatio
shell
** Branch linked: lp:~gerboland/qtmir/ual-catch-exception
** Changed in: qtmir
Status: New => In Progress
** Changed in: qtmir
Assignee: (unassigned) => Gerry Boland (gerboland)
** Changed in: ubuntu-app-launch (Ubuntu)
Status: New => Invalid
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Public bug reported:
I can occasionally reproduce a crash in ubuntu-app-launch when running
the ubuntuuitoolkit autopilot test suite on the phone.
Here is the backtrace:
Program received signal SIGABRT, Aborted.
0xb607e9a6 in ?? () from /lib/arm-linux-gnueabihf/libc.so.6
(gdb) bt
#0 0x
Basic support of this has landed. Proper window management of these
surfaces remains to be done
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Title:
Support multiple surface applications
To
** Changed in: qtmir (Ubuntu)
Status: New => Triaged
** Changed in: qtmir (Ubuntu)
Importance: Undecided => Critical
** Changed in: qtmir (Ubuntu)
Importance: Critical => High
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** Branch linked: lp:~unity-team/qtubuntu/screen-info-without-dpr
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Title:
Not requesting desktop content when connected to monitor
To manage not
I've attached a branch I worked on for dynamic grid unit support. This
rewrites the icon image loader to follow the exact behaviour of qt's
image loader, and solved my icon sizing/blur issue. It needs tests
though
** Branch linked: lp:~gerboland/ubuntu-ui-toolkit/staging-fix-icon-svg-
image-loadin
** Branch linked: lp:~dandrader/qtmir/coordinateTranslator
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https://bugs.launchpad.net/bugs/1346633
Title:
[enhancement] Autopilot testing needs to know screen coordinates of
widgets
Log file has a lot of these messages for each scope:
:7:1: QML AbstractButton: Binding loop detected for property
"implicitWidth"
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https://bugs.launchpad.net/bugs/1565763
Title:
Unity8
Public bug reported:
I have a Meizu MX4 here connected to wifi via my router. The screen was
off.
For some reason, it decided to turn on the screen and show me the wifi
password snap decision. Possibly the connection dropped & was re-
established by NM?
But I've noticed this happening on other o
** Changed in: qtmir (Ubuntu)
Importance: Undecided => High
** Changed in: qtmir (Ubuntu)
Assignee: (unassigned) => Gerry Boland (gerboland)
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Need to profile and check the code to see how this could have regressed.
Stutter could be due to the GPU having to do too much work per frame,
inefficiencies in unity8's code. Can't say for certain without
measuring.
I know of several optimizations to be done with spread still.
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QtMir has code that should delete the cache, if the app stops
unexpectedly (i.e. probably crashed).
The QML cache system also does a CRC check on the cache file, to check
it before using it. So the file being munged unexpectedly should not be
a fatal condition.
Instead, if the app is itself corru
** Changed in: qtmir (Ubuntu)
Importance: Undecided => Medium
** Changed in: qtmir (Ubuntu)
Status: New => In Progress
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https://bugs.launchpad.net/bugs/1554404
Title:
qtmir f
I agree with Chris' assessment. eglSwapBuffers blocking for so long
(over 32ms, i.e. 2 frames at 60Hz) is causing Qt's main loop to block,
compounding the stutter.
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Please ensure the egl context Qt is getting has rgba , depth 8 and
stencil 24. Can read what Qt gets with QSG_INFO=1
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https://bugs.launchpad.net/bugs/1549226
Title:
top panel drop d
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