Tonga PRO [Radeon R9 285/380] [1002:6939] blank screen

[Deucher, Alexander]

> -----Original Message-----
> From: amd-gfx [mailto:amd-gfx-bounces at lists.freedesktop.org] On Behalf
> Of Steven Falco
> Sent: Thursday, October 05, 2017 10:46 AM
> To: amd-gfx at lists.freedesktop.org
> Subject: Tonga PRO [Radeon R9 285/380] [1002:6939] blank screen
> 
> I have a Radeon R9 285/380 video card in a machine that is running Fedora 26.
> When I run with Fedora kernel version 4.11.11 the video card works properly,
> using the amdgpu kernel driver.
> 
> However, once I upgrade to a newer kernel in the 4.12 or 4.13 series, my
> display goes blank during boot and stays that way.  The monitor appears to
> be getting sync, because it doesn't go to sleep, however there is nothing
> visible on the screen.
> 
> What information should I post to this list to help diagnose the problem?

Please file a bug report (https://bugs.freedesktop.org) and attach your xorg log and dmesg output.

Thanks!

Alex

> 
> 	Thanks,
> 	Steve
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