[Bug 204885] ryzen 2500U cause graphics glitch in all browsers with kernel version 5.2.x+

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https://bugzilla.kernel.org/show_bug.cgi?id=204885

Pierre-Eric Pelloux-Prayer (pierre-eric.pelloux-prayer@xxxxxxx) changed:

           What    |Removed                     |Added
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                 CC|                            |pierre-eric.pelloux-prayer@
                   |                            |amd.com

--- Comment #4 from Pierre-Eric Pelloux-Prayer (pierre-eric.pelloux-prayer@xxxxxxx) ---
This bug looks similar to https://bugs.freedesktop.org/show_bug.cgi?id=111122

Could you try the various workarounds proposed there and see if it helps:
  - adding the iommu=pt kernel boot parameter (see
https://wiki.archlinux.org/index.php/kernel_parameters#GRUB)
  - or using the AMD_DEBUG=nodcc environment variable (for instance, try adding
a new line with "AMD_DEBUG=nodcc" in the /etc/environment file and reboot)
  - or updating Mesa to the latest version

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