[Bug 101259] General artifacts shortly after CPU warming up

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=101259

--- Comment #16 from liang <clamfly at sina.com> ---
Created attachment 132826
  --> https://bugs.freedesktop.org/attachment.cgi?id=132826&action=edit
Key frames captured from a Haswell machine, showing artifacts on a Qt menu.

Added : same issue can be observed in two more machines with different
hardware.

One is a samsung ultra-book.
CPU          : Haswell i3-4020Y (HD Graphics 4200)
distribution : Arch Linux, with almost up-to-date packages
kernel       : 4.11.9-1
xorg-server  : 1.19.3-2  (use modesetting driver instead of intel DDX)
mesa         : 17.1.5-1
DE           : LXQt 0.11.0

Another is a HP ultra-book.
CPU          : Ivy Bridge i3-3227U (HD Graphics 4000)
distribution : Arch Linux, with almost up-to-date packages
kernel       : 4.11.9-1
xorg-server  : 1.19.3-2  (use modesetting driver instead of intel DDX)
mesa         : 17.1.5-1
DE           : Mate 1.18.x

On both machine, The glitches & artifacts vanish very quickly, it's hard to
see, but they do exist. You may use a camera, and inspect the recording frame
by frame. See the attachment.

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