[Bug 106763] thunderbolt 3-way split corruption

* [Bug 106763] thunderbolt 3-way split corruption
@ 2018-06-01  0:47 bugzilla-daemon
  2018-06-01  0:47 ` [Bug 106763] thunderbolt 3-way split corruption using OpenGL bugzilla-daemon
  2019-09-18 19:41 ` bugzilla-daemon
  0 siblings, 2 replies; 3+ messages in thread
From: bugzilla-daemon @ 2018-06-01  0:47 UTC (permalink / raw)
  To: dri-devel

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https://bugs.freedesktop.org/show_bug.cgi?id=106763

            Bug ID: 106763
           Summary: thunderbolt 3-way split corruption
           Product: Mesa
           Version: 18.0
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Drivers/DRI/i915
          Assignee: dri-devel@lists.freedesktop.org
          Reporter: cl@carloslicea.com
        QA Contact: dri-devel@lists.freedesktop.org

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 
           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
'''

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=394900
Bug against KWin https://bugs.kde.org/show_bug.cgi?id=394900

Please let me know what information may I provide to reproduce this error.

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