Gentoo Archives: gentoo-user

From: "J. Roeleveld" <joost@××××××××.org>
To: gentoo-user@l.g.o
Subject: Re: [gentoo-user] Problems with Xinerama after upgrade to Plasma (KDE5)
Date: Fri, 16 Sep 2016 10:53:42
Message-Id: 1698827.J2dlFrjzE1@eve
In Reply to: Re: [gentoo-user] Problems with Xinerama after upgrade to Plasma (KDE5) by Peter Humphrey
1 On Friday, September 16, 2016 11:18:18 AM Peter Humphrey wrote:
2 > On Friday 16 Sep 2016 11:10:57 J. Roeleveld wrote:
3 > > On Friday, September 16, 2016 10:54:16 AM Dan Johansson wrote:
4 > > > On 2016-09-16 09:43, J. Roeleveld wrote:
5 > > > > On Thursday, September 15, 2016 08:36:20 PM Dan Johansson wrote:
6 > > > >> After upgrading to Plasma (KDE5) I have a problem with my dual
7 > > > >> monitor
8 > > > >> setup.
9 > > > >>
10 > > > >> When I start/restart a new session both monitors are "displayed" "on
11 > > > >> top" of each other (see Screenshot_20160915_201441.png). After
12 > > > >> "dragging" DVI-I-1 to the right of DVI-D-0 in SystemSettings (see
13 > > > >> Screenshot_20160915_201601.png) everything looks OK.
14 > > > >>
15 > > > >> Any suggestions why this is happening (some file-permission some
16 > > > >> where?)
17 > > > >> and where to search for a solution?
18 > > > >
19 > > > > Quick guess, you are running "stable" kde plasma (5.6.5)?
20 > > > > There is a bug there that is fixed in later versions.
21 > > > >
22 > > > > I am using 5.7.4 and haven't seen that issue anymore.
23 > > >
24 > > > Yes, you are correct, I'm running stable (5.6.5).
25 > > > Then I'll have to wait for next release to "go stable" or try upgrading
26 > > > to 5.7.4.
27 > > >
28 > > > Thanks for your support.
29 > >
30 > > I'm not sure how long that will take.
31 > > I've been running 5.7.4 without any obvious issues for a while now...
32 > >
33 > > Attached is the "package.accept_keywords" file I use for 5.7.4
34 > >
35 > > It's up to you to decide, but every time you log-out, you'll have the same
36 > > issue with 5.6...
37 >
38 > I upgraded yesterday from 5.7.4 to 5.7.5. I hoped the problem I have had
39 > been fixed, but no. If I switch desktops too many times, or too often or
40 > something, the desktop becomes unusable until I reboot (I haven't tried just
41 > restarting xdm). It flickers rapidly, bits of one desktop are shown in the
42 > middle of another or on a blank background, and it's hard to see just which
43 > is the currently active desktop.
44 >
45 > This may be a bad interaction with the xorg-driver for my AMD GPU, which has
46 > only been on the market for about a year. Though sys-firmware/amdgpu-ucode
47 > hasn't changed since June.
48
49 I switch around a lot between 4 virtual desktops and 2 displays.
50 Haven't experienced that myself.
51 Difference: Using Intel CPU and Nvidia GPU.
52
53 --
54 Joost