** No longer affects: qtmir
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Title:
Dynamic double buffering fails to detect inertial dash scrolling as
slow; and stutters instead of scaling u
mir (0.19.0+16.04.20160128-0ubuntu1) xenial; urgency=medium
** Changed in: mir
Status: Fix Committed => Fix Released
** Changed in: mir (Ubuntu)
Status: Invalid => Fix Released
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** Changed in: mir
Milestone: 0.20.0 => 0.19.0
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Title:
Dynamic double buffering fails to detect inertial dash scrolling as
slow; and stutte
Fix committed into lp:mir at revision None, scheduled for release in
mir, milestone 0.20.0
** Changed in: mir
Status: In Progress => Fix Committed
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** Changed in: mir
Milestone: None => 0.20.0
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Title:
Dynamic double buffering fails to detect inertial dash scrolling as
slow; and stutters
** Changed in: mir
Milestone: 0.20.0 => None
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Title:
Dynamic double buffering fails to detect inertial dash scrolling as
slow; and stutters
** Changed in: mir
Milestone: 0.19.0 => 0.20.0
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Title:
Dynamic double buffering fails to detect inertial dash scrolling as
slow; and stutte
** Changed in: mir
Milestone: 0.18.0 => 0.19.0
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Title:
Dynamic double buffering fails to detect inertial dash scrolling as
slow; and stutte
** Changed in: mir
Milestone: 0.17.0 => 0.18.0
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Title:
Dynamic double buffering fails to detect inertial dash scrolling as
slow; and stutte
** Changed in: mir
Milestone: 0.16.0 => 0.17.0
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Title:
Dynamic double buffering fails to detect inertial dash scrolling as
slow; and stutte
The above issue has been moved into bug 1488391. Ideally that would be
resolved before we're sure this bug is.
** Tags added: performance
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Title:
I now also realize the bug isn't really about dynamic queue scaling either. The
same issue happens with fixed double buffering:
restart unity8 QML_NO_TOUCH_COMPRESSION=1 MIR_SERVER_NBUFFERS=2
The core of the problem is probably that the kernel scaling/frequency
governors clock down when not to
And I just realized this bug is about a feature that's never been
released yet. Also, a proper fix will follow in future. So still in
progress.
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Ti
Shifted milestones, because lp:mir/0.15 got rebranched from r2801 the
other day, which now includes this fix.
** No longer affects: mir/0.15
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Titl
** Also affects: mir (Ubuntu)
Importance: Undecided
Status: New
** Changed in: mir (Ubuntu)
Status: New => Invalid
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Title:
Dyna
Dropped severity as dynamic double buffering is now disabled by default.
** Changed in: mir
Milestone: 0.15.0 => 0.16.0
** Changed in: mir
Status: Fix Committed => In Progress
** Changed in: mir
Importance: High => Medium
** Changed in: qtmir
Importance: High => Medium
** Chan
Fix committed into lp:mir at revision 2799, scheduled for release in
mir, milestone 0.16.0
** Changed in: mir
Status: In Progress => Fix Committed
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This is a blocker for 0.15. It needs to be fixed.
** Changed in: mir
Milestone: 0.16.0 => 0.15.0
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Title:
Dynamic double buffering fails to d
** Changed in: mir
Milestone: 0.15.0 => 0.16.0
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Title:
Dynamic double buffering fails to detect inertial dash scrolling as
slow; and stutte
** Branch linked: lp:~vanvugt/mir/always-triple-buffers
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Title:
Dynamic double buffering fails to detect inertial dash scrolling as
slow; and s
** Branch linked: lp:~vanvugt/qtmir/smoother-mirsurfaceitem
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Title:
Dynamic double buffering fails to detect inertial dash scrolling as
slow; a
** Branch linked: lp:~vanvugt/mir/fix-1476201
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Title:
Dynamic double buffering fails to detect inertial dash scrolling as
slow; and stutters in
Actually qtmir can possibly keep using if
(m_surface->buffers_ready_for_compositor(userId) > 0)
as it does already.
The problem then is that Mir reduces the return value of that function
prematurely if called in that way. So maybe some fix is still possible
in Mir itself.
** Changed in: qtmi
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