Re: chromium flickering rectangle corruption (with workaround)

[David Brownlee <abs%absd.org@localhost>]

On Thu, 1 Jan 2026 at 14:14, Robert Bagdan <kikadf.01%gmail.com@localhost> wrote:
>
> > Further to this - I'm not suggesting --force-gpu-mem-available-mb=128
> > should necessarily be the default for all builds, but if (say) on
> > NetBSD-11 and later 141+ shows the issue, then it could be defaulted
> > on for just the believed affected platforms
> >
>
> I use the radeon kms driver, and chromium for me works with the
> fallback swiftshader software render.
> I don't know if this issue depends on the drivers or all affected,
> this is why I just added this workaround
> to the README.

Could I ask if you had to set anything explicitly in chromium or xorg
settings, or did everything work "Out Of The Box"?

I'm using the modesetting driver on a T14Gen1 under recent NetBSD-11_BETA
i915drmkms0 at pci0 dev 2 function 0: Intel UHD Graphics (rev. 0x02)

Would anyone else seeing the issue like to comment on their setup?

Thanks

David