[Bug 105744] New: randomly flashing screen with RX 580

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=105744

            Bug ID: 105744
           Summary: randomly flashing screen with RX 580
           Product: xorg
           Version: unspecified
          Hardware: Other
                OS: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Driver/AMDgpu
          Assignee: xorg-driver-ati at lists.x.org
          Reporter: sam.halliday at gmail.com
        QA Contact: xorg-team at lists.x.org

I recently bought a Sapphire Radeon RX 580 Nitro+ 4 GB GDDR5 and I'm using the
amdgpu drivers on ArchLinux with xmonad.

Unfortunately the entire screen flashes randomly, usually correlated with
clicking the mouse button in chrome. Enabling TearFree makes no difference,
disabling the hardware cursor makes no difference.

I do not wish to use amdgpupro, for ethical reasons.

I can perform more diagnostics if needed, but I appreciate that this is a very
difficult to reproduce problem so my hopes of a solution are low...


Version / info dumps:

xf86-video-amdgpu 18.0.1

4.15.12-1-ARCH #1 SMP PREEMPT Wed Mar 21 15:14:56 UTC 2018 x86_64 GNU/Linux

~ sudo lshw -C video
  *-display                 
       description: VGA compatible controller
       product: Ellesmere [Radeon RX 470/480/570/580]
       vendor: Advanced Micro Devices, Inc. [AMD/ATI]
       physical id: 0
       bus info: pci at 0000:01:00.0
       version: e7
       width: 64 bits
       clock: 33MHz
       capabilities: pm pciexpress msi vga_controller bus_master cap_list rom
       configuration: driver=amdgpu latency=0
       resources: irq:123 memory:d0000000-dfffffff memory:e0000000-e01fffff
ioport:e000(size=256) memory:ef400000-ef43ffff memory:c0000-dffff


~ cat /etc/X11/xorg.conf.d/20-radeon.conf 
Section "Device"
        Identifier "AMD"
        Driver "amdgpu"
        Option "SWcursor" "on"
        Option "DRI" "3"
        Option "TearFree" "on"
        Option "AccelMethod" "glamor"
EndSection


I version control my user-level dotfiles:

- https://gitlab.com/fommil/dotfiles
- plus machine specific customisations
https://gitlab.com/fommil/dotfiles/tree/master/Profiles/Samurai

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