[Bug 83597] New: [NVE6] blank VGA screen after suspend - bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ

From: bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ@public.gmane.org
To: nouveau-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org
Subject: [Bug 83597] New: [NVE6] blank VGA screen after suspend
Date: Sun, 07 Sep 2014 22:21:14 +0000	[thread overview]
Message-ID: <bug-83597-8800@http.bugs.freedesktop.org/> (raw)

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https://bugs.freedesktop.org/show_bug.cgi?id=83597

          Priority: medium
            Bug ID: 83597
          Assignee: nouveau-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org
           Summary: [NVE6] blank VGA screen after suspend
        QA Contact: xorg-team-go0+a7rfsptAfugRpC6u6w@public.gmane.org
          Severity: normal
    Classification: Unclassified
                OS: All
          Reporter: prg-uDMUqRiVvSc@public.gmane.org
          Hardware: Other
            Status: NEW
           Version: unspecified
         Component: Driver/nouveau
           Product: xorg

Created attachment 105875
  --> https://bugs.freedesktop.org/attachment.cgi?id=105875&action=edit
dmesg

Since "bf0eb89 drm/nv50-/disp: audit and version DAC_PWR method" my VGA monitor
connected via DVI-I stays black after suspend/resume. The backlight is still on
and can be toggled with xrandr --off/--auto, but I don't get any image.
rmmod+modprobe nouveau does not help either, I need to reboot to get an image
back.
Another monitor connected via DVI-D is still fine.
I can't see anything obvious in dmesg.

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