[Expired for linux (Ubuntu) because there has been no activity for 60
days.]
** Changed in: linux (Ubuntu)
Status: Incomplete = Expired
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1. When resuming from S3, there is only black screen(not 'no signal').
But, we can recover it by 'xset dpms force off ; xset dpms force on'.
2. There is no any error or warning message on the dmesg or Xorg.
3. I used the D-Sub port.
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This issue looks like the monitor state stays in blank (the monitor is on)
after resuming from S3.
But, the 'xset dpms force on' can not recovery this state.
We need to do 'xset dpms force off' before 'xset dpms force on'.
We only found that the intel graphic register is different after this
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