<html>
<head>
<base href="https://bugs.freedesktop.org/">
</head>
<body>
<p>
<div>
<b><a class="bz_bug_link
bz_status_CLOSED bz_closed"
title="CLOSED FIXED - Screen Flickering on Intel Card"
href="https://bugs.freedesktop.org/show_bug.cgi?id=95010#c35">Comment # 35</a>
on <a class="bz_bug_link
bz_status_CLOSED bz_closed"
title="CLOSED FIXED - Screen Flickering on Intel Card"
href="https://bugs.freedesktop.org/show_bug.cgi?id=95010">bug 95010</a>
from <span class="vcard"><a class="email" href="mailto:sascha@meta-x.de" title="sascha@meta-x.de">sascha@meta-x.de</a>
</span></b>
<pre>I am on ArchLinux with kernel 4.12.4-1-ARCH and the problem still is present.
Using the kernel parameter "i915.enable_rc6=0" makes it go away.
lspci -v output:
00:02.0 VGA compatible controller: Intel Corporation 3rd Gen Core processor
Graphics Controller (rev 09) (prog-if 00 [VGA controller])
Subsystem: ASUSTeK Computer Inc. Device 1507
Flags: bus master, fast devsel, latency 0, IRQ 32
Memory at f7400000 (64-bit, non-prefetchable) [size=4M]
Memory at d0000000 (64-bit, prefetchable) [size=256M]
I/O ports at f000 [size=64]
[virtual] Expansion ROM at 000c0000 [disabled] [size=128K]
Capabilities: <access denied>
Kernel driver in use: i915
Kernel modules: i915
dmesg snippet:
[ 54.358770] Setting dangerous option enable_rc6 - tainting kernel
[ 54.359634] [drm] Memory usable by graphics device = 2048M
[ 54.359636] checking generic (d0000000 7f0000) vs hw (d0000000 10000000)
[ 54.359637] fb: switching to inteldrmfb from EFI VGA
[ 54.359662] Console: switching to colour dummy device 80x25
[ 54.359765] [drm] Replacing VGA console driver
[ 54.365161] [drm] Supports vblank timestamp caching Rev 2 (21.10.2013).
[ 54.365163] [drm] Driver supports precise vblank timestamp query.
[ 54.368216] i915 0000:00:02.0: vgaarb: changed VGA decodes:
olddecodes=io+mem,decodes=io+mem:owns=io+mem
[ 54.383304] [drm] RC6 disabled, disabling runtime PM support
[ 54.384426] [drm] Initialized i915 1.6.0 20170403 for 0000:00:02.0 on minor
0
[ 54.384592] ACPI: Video Device [PEGP] (multi-head: yes rom: yes post: no)
[ 54.385527] input: Video Bus as
/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:02/LNXVIDEO:00/input/input17
[ 54.386294] ACPI: Video Device [GFX0] (multi-head: yes rom: no post: no)
[ 54.401527] input: Video Bus as
/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/LNXVIDEO:01/input/input18
HTH</pre>
</div>
</p>
<hr>
<span>You are receiving this mail because:</span>
<ul>
<li>You are the QA Contact for the bug.</li>
<li>You are on the CC list for the bug.</li>
</ul>
</body>
</html>