I've tracked this down to the following mir bug:
https://bugs.launchpad.net/mir/+bug/1670876
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https://bugs.launchpad.net/bugs/1669444
Title:
[regression] OSK input shaping no longer wor
@vanvugt - yep it's not ideal. For phone/tablet, to make device rotation
animation as good as we could, was easiest to give the OSK a fullscreen
surface and have it rotate itself, letting application shine through in
the translucent area.
But that is certainly an area we can improve.
** Changed i
I tried on Zesty with my AMD machine, no lock up for me. Browser comes
up ok. I do get lots of libGL errors though
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Title:
webbrowser-app locks u
> AFAIK the only thing stopping us from using Mir's native input coordinates
> was the inability to implement barriers/edge resistance in places.
We had other use-cases where unity8 having control over mouse position
was useful. One example coming to mind is phone docked to an external
display, we
** Changed in: mir (Ubuntu)
Status: Invalid => Confirmed
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Title:
Unity8 pointer does not stay in sync with Qemu VM tablet input
To manage
> Also very important that those apps (toolkits) choose native Mir over
> X when both are available.
Qt isn't designed to make the choice itself, it expects to be told if either X
or Mir should be used.
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Looking into QtMir, we're using relative
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Title:
Unity8 pointer does not stay in sync with Qemu VM tablet input
To manage notifications about th
Looking into QtMir, we're only using the relative mouse motion in our
calculation of the cursor position. We need that to implement the push-
against-screen-edge behaviour for a mouse.
We've not considered tablet input devices at all. I see Mir's associates
a device with each input event, so it po
Actually, might be easier/more-reliable just to edit /etc/environment
and add "QSG_RENDER_LOOP=basic" and restart.
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Title:
Mir/Unity8 crashes/fre
I have Qt configured (in QtUbuntu/QtMir) to use multi-threaded GL
rendering, so we're probably hitting Nouveau's limitations here.
As workaround, I can add code to QtUbuntu/QtMir use single-threaded GL
for Nouveau.
If this is easily reproduced, can you try
initctl set-env --global QSG_RENDER_LOO
Hey dinamic! Thanks for the bug!
Did this happen suddenly, or you never see shadows at all?
What GPU and driver are you using?
Could you provide a pastebin of the unity8.log file, ideally just after
unity8 starts up so we get the initial output as unity8 starts.
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Thanks for that. Can confirm it is nothing gpu/graphics related, it is a
bug in our UITK. Fix on the way...
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Title:
[unity8] windows don't have s
Oh, I was the original author! Hah :D
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Title:
[qpa] QUbuntuIntegration requests screen info which open mir client
connection with shell - even
u disagree, please re-open this
bug and say why. I'd definitely like to know what your use-case is.
-G
** Changed in: qtubuntu (Ubuntu)
Status: New => Invalid
** Changed in: qtubuntu (Ubuntu)
Assignee: (unassigned) => Gerry Boland (gerboland)
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Relevant info to reproduce:
Saviq, the first way to test the multiple-connection situation
would probably be to create a custom .desktop file that removes
GDK_BACKEND from the app's environment, which will force it to autoprobe
and use Mir instead
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I've an ancient NVidia box at home, can try it out. I'm attaching
patches for qtubuntu/qtmir to force Qt to use single threaded GL on
nouveau.
** Branch linked: lp:~gerboland/qtubuntu/nouveau-workaround
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** Branch linked: lp:~gerboland/qtmir/nouveau-workaround
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Title:
Mir/Unity8/USC crashes/freezes on nouveau (nv50) in pushbuf_kref()
especially
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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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
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
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
** Branch unlinked: lp:~gerboland/unity8/window-width-height-changes-
acted-upon-always
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Title:
Not requesting desktop content when connected to
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
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
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)
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
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
** 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 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
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
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
** Changed in: unity8 (Ubuntu)
Status: New => Confirmed
** Changed in: unity8 (Ubuntu)
Importance: Undecided => High
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Title:
Unity8 on
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
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
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
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
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
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
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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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
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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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
** Changed in: qtmir (Ubuntu)
Assignee: Gerry Boland (gerboland) => Nick Dedekind (nick-dedekind)
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Title:
OOM killer score calculati
@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
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
** 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
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
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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** Changed in: qtmir
Status: Fix Committed => Fix Released
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Title:
Unity8 (QtMir) crashed (on login or display change) in
TiledDisplayCo
*** 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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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
** 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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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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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
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
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
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
** Also affects: qtmir (Ubuntu)
Importance: Undecided
Status: New
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Title:
Apps sometimes get stuck on splashscreen on the first run aft
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
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
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
** Changed in: qtmir (Ubuntu)
Importance: Undecided => Medium
** Changed in: qtmir (Ubuntu)
Status: New => In Progress
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Title:
qtmir f
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
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
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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Title:
Unity8
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
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
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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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
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
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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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
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
** 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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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:
https://bu
There is nothing libertine specific about this feature request
** Summary changed:
- Need to support multiple instances of libertine applications
+ Need to support multiple instances of applications
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** Description changed:
You're unable to open two instances of the same app. Such as gedit or
firefox.
- qtmir needs instance-based signals: app instance started, app instance
- stopped, etc
+ qtmir needs iUAL to provide nstance-based signals: app instance started,
+ app instance stopped, e
This issue was worked around, but with a far-from-ideal solution
** Also affects: lttng-ust (Ubuntu)
Importance: Undecided
Status: New
** Also affects: qtmir (Ubuntu)
Importance: Undecided
Status: New
** Changed in: qtmir (Ubuntu)
Status: New => Triaged
** Changed in:
>From the stacktrace, this appears to be a crash on shutdown.
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Title:
unity8 crashed with SIGSEGV in QListData::begin from QList::begin from
qt
Public bug reported:
I've updated from Xenial to Yakkety on my Desktop - Sandybridge Macbook
Pro 8,1
With Xenial, on 4.4 kernel, doing a compile (with ninja for example), I
could use all CPU cores and still have a usable desktop: app switching
was relatively quick, I could (slowly) surf the web w
Installing kernel from http://kernel.ubuntu.com/~kernel-
ppa/mainline/v4.9-rc3 fixes the issue
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Title:
4.8 kernel, under heavy load desktop unusa
QtMir/Unity8 is designed to deal with spanning displays - it is actually
cloned displays it needs work to support!
@jonas Could you give us a means to test this behaviour?
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Yeah the unity8 log makes me suspect qtmir, it deals with disabling the
display ok, but enabling it doesn't yield 2 screens again
** Also affects: qtmir
Importance: Undecided
Status: New
** Changed in: qtmir
Status: New => Confirmed
** Changed in: qtmir
Importance: Undecided
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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** Changed in: qtmir (Ubuntu)
Importance: Undecided => High
** Changed in: qtmir (Ubuntu)
Assignee: (unassigned) => Gerry Boland (gerboland)
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Why is there not a better fallback cursor than a fully blank one?
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Title:
Mouse cursor disappears (or just never changes) when entering the
win
Can you give me steps to repro the problem clearly?
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Title:
new windows not respecting width and height
To manage notifications about this bug g
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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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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https://bugs.launchpad.net/bugs/1549455
Title:
Unity
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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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
/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
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
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
I've updated the attached branch with my proposed fix.
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https://bugs.launchpad.net/bugs/1549455
Title:
Unity8-dash on Intel Atom graphics crashes and restarts continuously
[qtubuntu:
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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