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

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

[bugzilla-daemon]

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

            Bug ID: 204885
           Summary: ryzen 2500U cause graphics glitch in all browsers with
                    kernel version 5.2.x+
           Product: Drivers
           Version: 2.5
    Kernel Version: 5.3.0
          Hardware: All
                OS: Linux
              Tree: Mainline
            Status: NEW
          Severity: normal
          Priority: P1
         Component: Video(DRI - non Intel)
          Assignee: drivers_video-dri@kernel-bugs.osdl.org
          Reporter: pRoMMMModE@outlook.com
        Regression: No

Created attachment 285017
  --> https://bugzilla.kernel.org/attachment.cgi?id=285017&action=edit
dmesg

I have a ryzen 2500U laptop running archlinux, after I upgrade the kernel from
5.1.16 to 5.2.x, firefox start to have those wired lines graphic glitch when
browsing web pages, especially when browsing a page contain video.

This graphic glitch happens to every browser I tried: Chromium,
qutebrowser(webkit engine), I tried to turn off hardware acceleration, it dose
helped on Chromium, but not on firefox, so I guess it is a bug related to
driver.

Currently I have 2 kernel installed on my laptop, one is the official kernel
package from arhclinux with kernel version 5.1.16. I also compiled a 5.3.0
kernel using the archlinux official 5.3.0 kernel .config file.

I am new to linux, so I dont really know hot to debug this problem, but I'm
willing to learn how if somebody give me a hint.

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

[bugzilla-daemon]

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

--- Comment #1 from no2stable (pRoMMMModE@outlook.com) ---
Created attachment 285019
  --> https://bugzilla.kernel.org/attachment.cgi?id=285019&action=edit
5.3.0 kernel config

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

[bugzilla-daemon]

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

--- Comment #2 from no2stable (pRoMMMModE@outlook.com) ---
Created attachment 285021
  --> https://bugzilla.kernel.org/attachment.cgi?id=285021&action=edit
a picture of the graphic glitch

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

[bugzilla-daemon]

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

--- Comment #3 from no2stable (pRoMMMModE@outlook.com) ---
Created attachment 285023
  --> https://bugzilla.kernel.org/attachment.cgi?id=285023&action=edit
anathor picture of the graphic glitch

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

[bugzilla-daemon]

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

no2stable (pRoMMMModE@outlook.com) changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
          Component|Video(DRI - non Intel)      |Other
           Hardware|All                         |x86-64
            Product|Drivers                     |Other

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

[bugzilla-daemon]

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

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

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

--- Comment #4 from Pierre-Eric Pelloux-Prayer (pierre-eric.pelloux-prayer@amd.com) ---
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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[Bug 204885] ryzen 2500U cause graphics glitch in all browsers with kernel version 5.2.x+

[bugzilla-daemon]

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

no2stable (pRoMMMModE@outlook.com) changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|---                         |CODE_FIX

--- Comment #5 from no2stable (pRoMMMModE@outlook.com) ---
(In reply to Pierre-Eric Pelloux-Prayer from comment #4)
> 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

So adding "iommu=pt" to the kernel parameter dose help, thanks a lot!

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