Pluging a 3rd monitor using a thunderbolt to Dual DisplayPort =
adapter
https://www.amazon=
.com/gp/product/B01DYFI1OE
It works well on XRender but when I try to enable OpenGL support (either 3.=
1 or
2.0) it mirrors and corrupts all displays. I'm using manjaro. Here's a quick
hardware dump:
'''
$ inxi -Fxzc0
System: Host: io Kernel: 4.14.44-1-MANJARO x86_64 bits: 64 compiler: gcc=
v:
8.1.0 Desktop: KDE Plasma 5.12.5=20
tk: Qt 5.10.1 Distro: Manjaro Linux 17.1.10 Hakoila=20
Machine: Type: Laptop System: Dell product: XPS 15 9560 v: N/A serial: N/=
A=20
Mobo: Dell model: 05FFDN v: A00 serial: N/A UEFI: Dell v: 1.6.2
date: 11/12/2017=20
Battery: ID-1: BAT0 charge: 88.1 Wh condition: 88.1/97.0 Wh (91%) model: =
SMP
DELL GPM0365 status: Full=20
CPU: Topology: Quad Core model: Intel Core i7-7700HQ bits: 64 type: MT
MCP arch: Skylake rev: 9=20
L2 cache: 6144 KiB=20
flags: lm nx pae sse sse2 sse3 sse4_1 sse4_2 ssse3 vmx bogomips:
44944=20
Speed: 3339 MHz min/max: 800/3800 MHz Core speeds (MHz): 1: 3373=
2:
3400 3: 3400 4: 3400 5: 3400=20
6: 3400 7: 3400 8: 3400=20
Graphics: Card-1: Intel driver: i915 v: kernel bus ID: 00:02.0=20
Card-2: NVIDIA GP107M [GeForce GTX 1050 Mobile] driver: N/A bus =
ID:
01:00.0=20
Display: x11 server: X.Org 1.19.6 driver: intel unloaded:
fbdev,modesetting,vesa=20
resolution: 3840x2160~60Hz, 3840x2160~60Hz=20
OpenGL: renderer: Mesa DRI Intel HD Graphics 630 (Kaby Lake GT2)=
v:
4.5 Mesa 18.0.4=20
direct render: Yes=20
Audio: Card-1: Intel CM238 HD Audio driver: snd_hda_intel v: kernel bus=
ID:
00:1f.3=20
Sound Server: ALSA v: k4.14.44-1-MANJARO=20
Network: Card-1: Qualcomm Atheros QCA6174 802.11ac Wireless Network Adapt=
er
driver: ath10k_pci v: kernel=20
bus ID: 02:00.0=20
IF: wlp2s0 state: up mac: <filter>=20
Card-2: Qualcomm Atheros type: USB driver: btusb bus ID: 1:2=20
IF-ID-1: br-abd3c2b482b1 state: down mac: <filter>=20
IF-ID-2: br-b7b4ade7beae state: down mac: <filter>=20
IF-ID-3: br-ca990f09811e state: down mac: <filter>=20
IF-ID-4: docker0 state: down mac: <filter>=20
Drives: HDD Total Size: 592.63 GiB used: 179.60 GiB (30.3%)=20
ID-1: /dev/nvme0n1 model: KXG50ZNV512G NVMe TOSHIBA 512GB size:
476.94 GiB=20
ID-2: /dev/sda type: USB vendor: SanDisk model: Ultra Fit size:
115.69 GiB=20
Partition: ID-1: / size: 451.35 GiB used: 135.05 GiB (29.9%) fs: ext4 dev:
/dev/dm-0=20
ID-2: swap-1 size: 17.07 GiB used: 57.6 MiB (0.3%) fs: swap dev:
/dev/dm-1=20
Sensors: System Temperatures: cpu: 66.0 C mobo: 50.0 C=20
Fan Speeds (RPM): cpu: 3220=20
Info: Processes: 222 Uptime: 22h 49m Memory: 15.52 GiB used: 4.58 GiB
(29.5%) Init: systemd Compilers:=20
gcc: 8.1.0 Shell: bash v: 4.4.19 inxi: 3.0.08
'''
This problem is reproducible with KWin and Gnome Shell (this later using X11
and Wayland).
Initial thread on Manjaro https://bugs.kde.org/show_bug.cgi?id=3D394900
Bug against KWin =
https://bugs.kde.org/show_bug.cgi?id=3D394900
Please let me know what information may I provide to reproduce this error.<=
/pre>