[Bug 107079] Black screen after waking from sleep

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=107079

            Bug ID: 107079
           Summary: Black screen after waking from sleep
           Product: DRI
           Version: unspecified
          Hardware: x86 (IA32)
                OS: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: DRM/Radeon
          Assignee: dri-devel at lists.freedesktop.org
          Reporter: g.goltsov at gmail.com

Created attachment 140397
  --> https://bugs.freedesktop.org/attachment.cgi?id=140397&action=edit
uname -a

After waking from sleep I get black screen on my notebook regardless of whether
x-server was starting or no.
I am able to type commands blindly. I can also connect to system via ssh.
But after adding "nomodeset" to kernel params system suspend and resume work
correctly.
I probed linux kernels 4.9 and 4.16. I also compiled modules radeon,drm,ttm
from recent sources.
Situation did not change.

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