<html>
<head>
<base href="https://bugs.freedesktop.org/" />
</head>
<body>
<p>
<div>
<b><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - xf86-video-intel-2.99.912 and newer causing flickering on game."
href="https://bugs.freedesktop.org/show_bug.cgi?id=81973#c26">Comment # 26</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW --- - xf86-video-intel-2.99.912 and newer causing flickering on game."
href="https://bugs.freedesktop.org/show_bug.cgi?id=81973">bug 81973</a>
from <span class="vcard"><a class="email" href="mailto:headcrabextra@gmail.com" title="headcrabextra@gmail.com">headcrabextra@gmail.com</a>
</span></b>
<pre>I have this problem too. I am using Gentoo.
I have noticed this flickering on the following versions of xf86-video-intel:
2.99.916, 2.99.914
On 2.99.911-r1 it does not exist.
I encountered this problem in 2 programs/games:
1. popcorn-time (<a href="https://popcorntime.io/">https://popcorntime.io/</a>)
It's reproducible on my machine every time. How to do that:
Maximize window, choose any film or tv episode, press "watch now". Now move the
mouse cursor between the top and bottom edges of the screen - you will notice
the shadows on those edges flickering.
Now press "fullscreen" button in the bottom-right of the window and wait till
the shadows on screen edges disappear. When that happens, FPS of the video will
decrease significantly and the video will be laggy and stuttering. These lags
don't appear on versions of xf86-video-intel on which flickering does not
appear so I believe they are connected.
1. SteamWorld Dig
It's a game available in steam, humble indie bundle and gog (or you can
download it on torrents).
How to see the flickering:
Run the game in fullscreen (use alt+enter to switch, this is important -
flickering does not appear in windowed mode), now just move mouse around in
menu or you can even start the game and press escape to go to pause menu -
you'll notice HUD (pause menu, main menu buttons) flickering.
Here is some info about my system and about the package:
=================================================================
Package Settings
=================================================================
x11-drivers/xf86-video-intel-2.99.916 was built with the following:
USE="dri sna udev -debug -glamor -uxa -xvmc" ABI_X86="64"
LDFLAGS="-Wl,-O1 -Wl,--as-needed -Wl,-z,lazy"
$ lspci -vnn | ack -A9 -i VGA
00:02.0 VGA compatible controller [0300]: Intel Corporation 3rd Gen Core
processor Graphics Controller [8086:0166] (rev 09) (prog-if 00 [VGA
controller])
Subsystem: ASUSTeK Computer Inc. Zenbook Prime UX31A [1043:1517]
Flags: bus master, fast devsel, latency 0, IRQ 40
Memory at f7800000 (64-bit, non-prefetchable) [size=4M]
Memory at e0000000 (64-bit, prefetchable) [size=256M]
I/O ports at f000 [size=64]
Expansion ROM at <unassigned> [disabled]
Capabilities: <access denied>
Kernel driver in use: i915
Tell me if you need any more info or something else.</pre>
</div>
</p>
<hr>
<span>You are receiving this mail because:</span>
<ul>
<li>You are the QA Contact for the bug.</li>
</ul>
</body>
</html>