Mailinglist Archive: opensuse-factory (914 mails)

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Re: [opensuse-factory] [TW] Graphics glitches (HD530)
On 02/06/2017 12:13, Peter Suetterlin wrote:
Hi

is anyone else experiencing graphics glitches in Tumbleweed since a few
snapshots back?

They show up as horizontal (short) bars on fast-changing features. E.g., I
can see them when resizing an xterm horizontally forth and back. On the
window border that I'm extending I see jaggy features.
Another way to see them is switching desktop (I use slide), often the window
title bar of one or more windows on the screen I slide to shows the
artifacts.

Quite prominent they also show up when using optirun and the secondary nvidia
card: optirun glxspheres shows a LOT of those bars in/around the big centrall
ball when it pops up, or when running an unigine benchmark. I do not see them
using primusrun / optirun -b primus, though. But it is not related to the
nvidia card, I also see it with the card turned off, as in the other examples
above.

It definitely is a new issue that I did not see before (I have the laptop
since August last year). Unfortunately I cannot tell when exactly it
started. I think at most 2-3 weeks.

HW is a Lenovo T460p (Skylake, Optimus HD530/940MX), Desktop is plasma5. TW is
up-to-date (just did the gcc7 Mamut-dup...)

Am I the only one?


I've been suffering from graphical gliteches since a long time ago, more than 1 year ago, since I switched from Leap to Thumbleweed.

I've been able to fix a few (not all) by lowering some aggressive hardware acceleration options.


Section "Device"
Identifier "Radeon"
Driver "radeon"
Option "AccelMethod" "EXA"
Option "DRI" "3"
Option "TearFree" "on"
Option "ColorTiling" "off"
Option "ColorTiling2D" "off"
EndSection


I have an old HD6850 card.


06:00.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI] Barts PRO [Radeon HD 6850]


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Andrea "Kontorotsui" Controzzi
Contact: +39 392 9989834 - +39 050 644097
Skype: Kontorotsui
Settore tecnico / Technical Department - www.LedMania.it
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