[Bug 99715] Don't print: "Note: Buggy applications may crash, if they do please report to vendor"

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Sat Feb 18 19:06:32 UTC 2017


--- Comment #17 from Jason Ekstrand <jason at jlekstrand.net> ---
(In reply to Emil Velikov from comment #15)
> How do other vendors deal with unmet requirements ? For example:
>  - when the NV-CONTROL/other extension is missing
>  - version mismatch for the extension and/or libraries present on the system
>  - the xorg.conf file setting are 'wrong'

They don't have to.  NVIDIA at least has the userspace driver, kernel driver,
and DDX version-locked so it's impossible to have any mismatches.  With AMD, I
think it's a bit looser, but whatever WSI mechanism they're using for GL,
they're also using for Vulkan.  They probably left DRI2 behind a long time ago
and don't really have this problem.

> As implied earlier, imho adding heuristics around NV-CONTROL/others is [sort
> of] broken, since:
>  - these interfaces and can be implemented by others
>  - it makes future interop between AMDGPU-PRO and RADV rough
>  - does not scale - you can plug a AMD card in a ARM (Mali/Qcom/other) board

Yes, which is why it's good that it only controls a warning and no actual
driver behavior.

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