https://bugs.kde.org/show_bug.cgi?id=394900
Bug ID: 394900
Summary: OpenGl garbbles 3-monitor setup
Product: kwin
Version: 5.12.5
Platform: Other
OS: Linux
Status: UNCONFIRMED
Severity: normal
Priority: NOR
Component: patform-hwcomposer
Assignee: [email protected]
Reporter: [email protected]
Target Milestone: ---
I have a laptop with thunderbolt support. Using a 3 way splitter I'm able to
connect 3 monitors. Here's some specs:
'''
$ 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
tk: Qt 5.10.1 Distro: Manjaro Linux 17.1.10 Hakoila
Machine: Type: Laptop System: Dell product: XPS 15 9560 v: N/A serial: N/A
Mobo: Dell model: 05FFDN v: A00 serial: N/A UEFI: Dell v: 1.6.2
date: 11/12/2017
Battery: ID-1: BAT0 charge: 88.1 Wh condition: 88.1/97.0 Wh (91%) model: SMP
DELL GPM0365 status: Full
CPU: Topology: Quad Core model: Intel Core i7-7700HQ bits: 64 type: MT
MCP arch: Skylake rev: 9
L2 cache: 6144 KiB
flags: lm nx pae sse sse2 sse3 sse4_1 sse4_2 ssse3 vmx bogomips:
44944
Speed: 3339 MHz min/max: 800/3800 MHz Core speeds (MHz): 1: 3373 2:
3400 3: 3400 4: 3400 5: 3400
6: 3400 7: 3400 8: 3400
Graphics: Card-1: Intel driver: i915 v: kernel bus ID: 00:02.0
Card-2: NVIDIA GP107M [GeForce GTX 1050 Mobile] driver: N/A bus ID:
01:00.0
Display: x11 server: X.Org 1.19.6 driver: intel unloaded:
fbdev,modesetting,vesa
resolution: 3840x2160~60Hz, 3840x2160~60Hz
OpenGL: renderer: Mesa DRI Intel HD Graphics 630 (Kaby Lake GT2) v:
4.5 Mesa 18.0.4
direct render: Yes
Audio: Card-1: Intel CM238 HD Audio driver: snd_hda_intel v: kernel bus ID:
00:1f.3
Sound Server: ALSA v: k4.14.44-1-MANJARO
Network: Card-1: Qualcomm Atheros QCA6174 802.11ac Wireless Network Adapter
driver: ath10k_pci v: kernel
bus ID: 02:00.0
IF: wlp2s0 state: up mac: <filter>
Card-2: Qualcomm Atheros type: USB driver: btusb bus ID: 1:2
IF-ID-1: br-abd3c2b482b1 state: down mac: <filter>
IF-ID-2: br-b7b4ade7beae state: down mac: <filter>
IF-ID-3: br-ca990f09811e state: down mac: <filter>
IF-ID-4: docker0 state: down mac: <filter>
Drives: HDD Total Size: 592.63 GiB used: 179.60 GiB (30.3%)
ID-1: /dev/nvme0n1 model: KXG50ZNV512G NVMe TOSHIBA 512GB size:
476.94 GiB
ID-2: /dev/sda type: USB vendor: SanDisk model: Ultra Fit size:
115.69 GiB
Partition: ID-1: / size: 451.35 GiB used: 135.05 GiB (29.9%) fs: ext4 dev:
/dev/dm-0
ID-2: swap-1 size: 17.07 GiB used: 57.6 MiB (0.3%) fs: swap dev:
/dev/dm-1
Sensors: System Temperatures: cpu: 66.0 C mobo: 50.0 C
Fan Speeds (RPM): cpu: 3220
Info: Processes: 222 Uptime: 22h 49m Memory: 15.52 GiB used: 4.58 GiB
(29.5%) Init: systemd Compilers:
gcc: 8.1.0 Shell: bash v: 4.4.19 inxi: 3.0.08
'''
I'm using only intel to render (I dissabled the nvidia card for now).
KWin using any OpenGL backend just garbles and mirrors the output on all three
monitors. Here's a bit more info you might find useful
https://forum.manjaro.org/t/thunderbolt-3-monitor-adapter/48452/5
Please let me know what do you need to debug this problem.
--
You are receiving this mail because:
You are watching all bug changes.
