** Changed in: canonical-devices-system-image
Assignee: Stephen M. Webb (bregma) => (unassigned)
** Changed in: mir
Importance: High => Medium
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** Changed in: mir
Milestone: 0.27.0 => 0.28.0
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https://bugs.launchpad.net/bugs/1118903
Title:
[enhancement] Mir lacks a software rendering backend (and doesn't work
if so many caveats, then lets not target u8c-1
** Changed in: canonical-devices-system-image
Milestone: u8c-1 => u8c-2
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Title:
Unassigned, because technically kdub is working on the prerequisite work
only right now. And I don't want to get into the situation again where
we are arguing over whether VM support is "done". So will assign this
when the plan is closer to completion.
** Changed in: mir
Assignee: Kevin
** Changed in: mir
Assignee: Daniel van Vugt (vanvugt) => Kevin DuBois (kdub)
** Changed in: mir
Status: Triaged => In Progress
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** Changed in: canonical-devices-system-image
Milestone: None => u8c-1
** Changed in: canonical-devices-system-image
Assignee: (unassigned) => Stephen M. Webb (bregma)
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This is a stretch goal in 1.0.0 for me. Please don't take the milestone
to mean a definite plan.
** Changed in: mir
Milestone: None => 1.0.0
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Another interesting idea:
If we implement a headless driver (discussed today) with GL support (OSMesa)
then that gets us halfway to resolving this bug. Then all that's required is to
replace the headless output with a linear framebuffer device (which fbdev is?).
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- mouse problem reported as unity8 bug 1636901 - let me know if I should
reassign to mir.
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Title:
[enhancement] Mir lacks a
** Changed in: canonical-devices-system-image
Importance: Undecided => High
** Changed in: canonical-devices-system-image
Status: New => Triaged
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Indeed, the current state of VM support for Mir/Unity8 is:
(1) QXL works already (modulo that mouse problem, please log a new bug)
(2) VirtualBox will be next (aiming before 17.04): bug 1584894
(3) Generalised software rendering on fbdev or SimpleDRM later (still hoping
for 17.04): this bug
I've found I can get Unity8 to render in virt-manager (Qemu/KVM) with
Display set to Spice and Video: QXL.
That might be a faster target (for QA) then getting full software
rendering. The only showstopper is the mouse doesn't let me go across
the entire screen. It seems what Mir says is the
News?
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Title:
[enhancement] Mir lacks a software rendering backend (and doesn't work
in virtual machines)
Status in Canonical
** Tags added: vm
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Title:
[enhancement] Mir lacks a software rendering backend (and doesn't work
in virtual machines)
Status in
** Changed in: mesa (Ubuntu)
Status: Confirmed => Invalid
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Title:
[enhancement] Mir lacks a software rendering backend (and
Further to comment #30, the "preferred" solution of SimpleDRM is making a
comeback (but doesn't yet exist in anyone's kernel):
https://lists.freedesktop.org/archives/dri-devel/2016-August/114861.html
It doesn't have to be the only option though. We can still do an
fbdev+osmesa driver in the
I've separated the more recent duplicate bugs on VirtualBox where Mir is
starting OK (there are sufficient DRM resources) but then crashing. I
think that will inevitably require a separate fix -> bug 1584894.
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With some hints from RAOF I think this is doable now...
1. Write a Mir driver that does basic modesetting on fbdev
2. For GL support use http://www.mesa3d.org/osmesa.html
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** Also affects: canonical-devices-system-image
Importance: Undecided
Status: New
** Tags added: unity8-desktop
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Title:
I'm tempted to separate the recent duplicates from VirtualBox users
where Mir only crashes with 'Failed to schedule page flip'. That issue
we might be able to fix separately and sooner than fully resolving this
bug.
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We appreciate your enthusiasm. If there was more news you would see it
here.
The development team is meeting this week to discuss and prioritise such
desktop issues.
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news?
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https://bugs.launchpad.net/bugs/1118903
Title:
[enhancement] Mir lacks a software rendering backend (and doesn't work
in virtual machines)
Status in Mir:
** Tags added: black-screen
** Summary changed:
- [enhancement] Mir lacks a software rendering backend
+ [enhancement] Mir lacks a software rendering backend (and doesn't work in
virtual machines)
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Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: mesa (Ubuntu)
Status: New => Confirmed
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Mode setting might not be as stuck as I thought.
If LLVMpipe can be directed to render to an arbitrary bitmap then we
could simply write a Mir graphics driver for fbdev and bind LLVMpipe to
it.
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Is this what we need?
https://www.khronos.org/registry/egl/extensions/MESA/EGL_MESA_drm_image.txt
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Title:
[enhancement] Mir lacks a
Status update...
GL Support:
DONE: Verified LLVMpipe supports Mir's default GL renderer (see bug 1576032)
Client buffers:
DONE: We have separated ShmBuffer into generic code so all graphics drivers can
use it.
TODO: Add support for rendering GL from LLVMpipe to ShmBuffers instead of GBM
(see
XMir really is not related to this bug any more. It was only linked from
back when XMir was going to be our desktop.
In reality a Mir server is just as able to use LLVMpipe as any other GL
app. But we're still lacking a screen to render to or software mode
setting.
** No longer affects:
The new XMir uses glamor so (correct me if I'm wrong) it can run with a
software driver.
** Project changed: xmir = xorg-server (Ubuntu)
** Changed in: xorg-server (Ubuntu)
Status: Triaged = Fix Released
** Changed in: xorg-server (Ubuntu)
Assignee: Chris Halse Rogers (raof) =
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