https://bugs.freedesktop.org/show_bug.cgi?id=90595

--- Comment #12 from Mike <mdellertson@gmail.com> ---
(In reply to JATothrim from comment #9)
> Apparently after several kernel versions later hibernate is still broken on
> my machine. :(
> 
> uname -a: Linux HyperArchMachine 4.6.3-1-ARCH #1 SMP PREEMPT Fri Jun 24
> 21:19:13 CEST 2016 x86_64 GNU/Linux
> Operating system is Arch/Antergos.
> 
> Sympthoms:
> -No panic is displayed. The machine freezes completly soon as radeon tries
> to hibernate (to swap disk 8GiB). No way to soft reset.
> -On resuming first display VTs are showing up weird: resolution is same as
> second display (1680x1050) but parts beyond that reso of the FullHD display
> are corrupted (pink pixel noise).
> -[drm:si_dpm_set_power_state [radeon]] *ERROR* si_set_sw_state failed gets
> outputed on suspend/resume.
> 
> Disabling DPM on boot allows machine to hibernate/resume correctly but dual
> display VT weirdness persists.

I'm getting the same "tiles" on my display a moment before the x-windows system
hangs.  I'm able to ssh into my box and shut it down, but box must be
restarted.  Just curious, if after implementing "dpm=0" in the kernel, if you
experience crashing or just pixelated weirdness?

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