** No longer affects: qtubuntu
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Title:
Unity8-dash on Intel Atom graphics crashes and restarts continuously
[qtubuntu: ASSERT:
Fix reapplied in lp:qtubuntu r335 and now fix released to yakkety in:
qtubuntu 0.63+16.10.20160809-0ubuntu1
** Changed in: qtubuntu
Status: Triaged => Fix Released
** Changed in: qtubuntu (Ubuntu)
Status: Triaged => Fix Released
** Changed in: qtdeclarative (Ubuntu)
With the last version of QtUbuntu mir and unity8 work on Atom, thanks
Gerry! It is very slow ( but faster than the old EGL convenience
version) but it works.
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I confirm that the atom N470 processor is affected by this bug.
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Title:
Unity8-dash on Intel Atom graphics crashes and restarts continuously
I've already confirmed Cherryview is not affected by this bug. But I'll
update and check again.
** Description changed:
Qt clients are failing to create an egl context when running on Intel
- Pineview, but not Cherryview systems under Mir.
+ Diamondville and Pineview, but not Cherryview
Correcting, err, the fifth time worked or something which I guess
couldn't be possible with this bug. Also I did not find the EGL error
from unity8-dash.log. Sorry for the noise.
** Description changed:
Qt clients are failing to create an egl context when running on Intel
- Pineview and
Added to the description that Cherryview (Braswell 14nm Atom with
Broadwell-level 8th gen Intel graphics) seems similarly affected. I can
test fixes.
** Description changed:
Qt clients are failing to create an egl context when running on Intel
- Pineview systems under Mir.
+ Pineview and
When?
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Title:
Unity8-dash on Intel Atom graphics crashes and restarts continuously
[qtubuntu: ASSERT: "eglDestroyContext(mEglDisplay,
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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one day we will never use Unity 8 on Atom?
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Title:
Unity8-dash on Intel Atom graphics crashes and restarts continuously
[qtubuntu: ASSERT:
?
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Title:
Unity8-dash on Intel Atom graphics crashes and restarts continuously
[qtubuntu: ASSERT: "eglDestroyContext(mEglDisplay, EglContext)
and now that the fix is no longer present, when will solve this bug?
Now you can not use more
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Title:
Unity8-dash on Intel Atom graphics
Had to revert this due to bug #1594198, stay tuned.
** Changed in: qtubuntu
Status: Fix Released => Triaged
** Changed in: qtubuntu (Ubuntu)
Status: Fix Released => Triaged
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** Changed in: qtubuntu
Status: In Progress => Fix Released
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Title:
Unity8-dash on Intel Atom graphics crashes and restarts continuously
I've Tried it but is very very slow!
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Title:
Unity8-dash on Intel Atom graphics crashes and restarts continuously
[qtubuntu: ASSERT:
This bug was fixed in the package qtubuntu -
0.62+16.10.20160614-0ubuntu1
---
qtubuntu (0.62+16.10.20160614-0ubuntu1) yakkety; urgency=medium
[ Daniel d'Andrada ]
* Generate better mir session names
[ Gerry Boland ]
* Convert UbuntuOpenGLContext to use QEGLPlatformContext,
** Changed in: qtubuntu (Ubuntu)
Assignee: (unassigned) => Gerry Boland (gerboland)
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Title:
Unity8-dash on Intel Atom graphics crashes and
Thanks!!!
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Title:
Unity8-dash on Intel Atom graphics crashes and restarts continuously
[qtubuntu: ASSERT: "eglDestroyContext(mEglDisplay,
roughly how long should we wait?
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Title:
Unity8-dash on Intel Atom graphics crashes and restarts continuously
[qtubuntu: ASSERT:
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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it works?
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Title:
Unity8-dash on Intel Atom graphics crashes and restarts continuously
[qtubuntu: ASSERT: "eglDestroyContext(mEglDisplay,
@Gerry, have you tested it on pineview hardware?
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Title:
Unity8-dash on Intel Atom graphics crashes and restarts continuously
[qtubuntu:
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,
Gerry:
I would say you're looking in the wrong place asking GLX, but can confirm the
same results with EGL: Full desktop OpenGL on Pineview is limited to 1.4, but
GLES is version 2.0. Also:
https://www.opengl.org/wiki/FAQ#Why_is_my_GL_version_only_1.4_or_lower.3F
But I don't think this is a
Shorter version:
mir_proving_server from lp:mir - GLES v2 works:
[2016-05-27 12:02:05.879585] GLRenderer: EGL vendor: Mesa Project
[2016-05-27 12:02:05.879710] GLRenderer: EGL version: 1.4 (DRI2)
[2016-05-27 12:02:05.880050] GLRenderer: EGL client APIs: OpenGL OpenGL_ES
OpenGL_ES2
[2016-05-27
name of display: :0
display: :0 screen: 0
direct rendering: Yes
server glx vendor string: SGI
server glx version string: 1.4
server glx extensions:
GLX_ARB_create_context, GLX_ARB_create_context_profile,
GLX_ARB_fbconfig_float, GLX_ARB_framebuffer_sRGB, GLX_ARB_multisample,
this is the result of that unity 7
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Title:
Unity8-dash on Intel Atom graphics crashes and restarts continuously
[qtubuntu: ASSERT:
@Gerry hahaha
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Title:
Unity8-dash on Intel Atom graphics crashes and restarts continuously
[qtubuntu: ASSERT: "eglDestroyContext(mEglDisplay,
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
/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
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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It is a good thing that you are able to find the problem? It is fixable?
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Title:
Unity8-dash on Intel Atom graphics crashes and restarts
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:
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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I currently have a problem with the internet and the network is down,
but if you say you have not had good results does not know what to do
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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
Hi Gerry,
I'm sorry if I'm not very experienced, but could you explain the full procedure
to download it and run? I am interested in trying it
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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
** Also affects: qtubuntu
Importance: Undecided
Status: New
** Changed in: qtubuntu
Assignee: (unassigned) => Gerry Boland (gerboland)
** Changed in: qtubuntu
Status: New => In Progress
** Changed in: qtubuntu
Importance: Undecided => Critical
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** Branch linked: lp:~gerboland/qtubuntu/adopt-more-eglconvenience2
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Title:
Unity8-dash on Intel Atom graphics crashes and restarts continuously
Using mir 0.21 and unity8.12+16.10.201605.18
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Title:
Unity8-dash on Intel Atom graphics crashes and restarts continuously
[qtubuntu: ASSERT:
Today I tried again (with ubuntu 16.10) to reopen unity8, the session is
very fast game more than usual (it was from 2 weeks since the felt) but
still the applications do not work and remain in their infinite loading.
the cursor was displayed very large and it was slow (although I think it
is
Confirmed the same bug on a Diamondville Intel Atom N270. That's the
whole netbook family affected then... not counting Cedarview which we
can't support due to a proprietary GPU in that one.
https://en.wikipedia.org/wiki/List_of_Intel_Atom_microprocessors#Single-
core_Netbook_processors
**
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