| Bug ID | 107053 |
|---|---|
| Summary | Flicker/tearing on MacBook Pro 11.5 Ubuntu 18.04 |
| Product | DRI |
| Version | unspecified |
| Hardware | x86-64 (AMD64) |
| OS | Linux (All) |
| Status | NEW |
| Severity | normal |
| Priority | medium |
| Component | DRM/Radeon |
| Assignee | dri-devel@lists.freedesktop.org |
| Reporter | cen.is.imba@gmail.com |
Created attachment 140366 [details] xorg log Symptom: flicker or tearing (not sure what to call it) at the bottom of the screen as seen in this videos: Fedora 28 (old install): https://www.youtube.com/watch?v=q9tHH2LdYOc Ubuntu 18.04 (currently installed, with glxgears info in description): https://youtu.be/CsFHt74HY3A Tested on: Debian Jessie KDE, Kubuntu 18.04, Fedora 28, Elementary OS Loki, Ubuntu 18.04, all exact same symptom. Hardware: Macbook Pro 11.5 lshw: *-display description: VGA compatible controller product: Venus XT [Radeon HD 8870M / R9 M270X/M370X] vendor: Advanced Micro Devices, Inc. [AMD/ATI] physical id: 0 bus info: pci@0000:01:00.0 version: 83 width: 64 bits clock: 33MHz capabilities: pm pciexpress msi vga_controller bus_master cap_list rom configuration: driver=radeon latency=0 resources: irq:51 memory:80000000-8fffffff memory:b0c00000-b0c3ffff ioport:3000(size=256) memory:b0c40000-b0c5ffff Added TearFree, DRI3 and glamor to try to remedy the symptom, nothing changed: cat /usr/share/X11/xorg.conf.d/20-radeon.conf Section "Device" Identifier "Radeon" Driver "radeon" Option "TearFree" "on" Option "DRI" "3" Option "AccelMethod" "glamor" EndSection Xorg log attached. Some device busy errors seen at the bottom, not sure if it has any relation. Nothing really interesting in dmesg. Symptop appears even at single monitor, however, my current setup is triple external plus native hidpi: xrandr --fbmm 11520x4200 --output eDP --pos 4320x2400 --mode 2880x1800 --scale 1x1 --primary --output DisplayPort-1 --pos 0x0 --mode 1920x1200 --scale 2x2 --output DisplayPort-0 --pos 3840x0 --mode 1920x1200 --scale 2x2 --output HDMI-0 --pos 7680x0 --mode 1920x1200 --scale 2x2
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