this post was submitted on 17 Dec 2025
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rx 6650 xt, stock drivers that come with arch, amdgpu. issue is both on lts and latest. seems to be a ring buffer error. there's an open ticket about it.
I don't remeber the flag, but it's to disable some power saving feature.
That sounds more like something weird about the card itself than with the driver; "power saving feature" makes me think a faulty hardware ACPI implementation by the card vendor is to blame. I've had a similar thing happen with my Wi-Fi modem where it would completely crash and only a reboot would fix it; I too have to do special kernel options to get it working.
https://gitlab.freedesktop.org/drm/amd/-/issues/4284
btw, happens with that bitmask too. just happened.