[Mesa-dev] [Bug 98263] [radv] The Talos Principle fails to launch with "Fatal error: Cannot set display mode."

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Fri Feb 3 21:53:15 UTC 2017


Rene Lindsay <rjklindsay at hotmail.com> changed:

           What    |Removed                     |Added
             Status|RESOLVED                    |REOPENED
         Resolution|INVALID                     |---

--- Comment #7 from Rene Lindsay <rjklindsay at hotmail.com> ---
I'm not sure expanding this message is a good idea, in fact, I'm looking for a
way to turn it off:

When I enumerate physical devices on Ubuntu 16.04, Vulkan shows I have 2 GPU's
available: Intel HD, and NVidia GTX.  (Sometimes the order is reversed.)

Now I'm trying to determine which one the desktop is currently running on, by
calling vkGetPhysicalDeviceSurfaceSupportKHR on each GPU's queue-families.

If the desktop is running on Intel, the query returns true for Intel,
but when running on NVidia, it returns true for Nvidia and false for Intel, but
also prints:

"no DRI3 support"

I DO have DRI3 enabled for Intel, but this setting is irrelevant and ignored
when running on NVidia, so the error message is not really applicable.

Is there some way to turn off this error message, or a better way to determine
the currently active GPU, without triggering this error?

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