[Bug 83244] New: [nvc3/Quadro2000M] external monitor not activated after resume (EDID checksum is invalid) - bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ

From: bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ@public.gmane.org
To: nouveau-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org
Subject: [Bug 83244] New: [nvc3/Quadro2000M] external monitor not activated after resume (EDID checksum is invalid)
Date: Fri, 29 Aug 2014 12:12:50 +0000	[thread overview]
Message-ID: <bug-83244-8800@http.bugs.freedesktop.org/> (raw)


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https://bugs.freedesktop.org/show_bug.cgi?id=83244

          Priority: medium
            Bug ID: 83244
          Assignee: nouveau-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org
           Summary: [nvc3/Quadro2000M] external monitor not activated
                    after resume (EDID checksum is invalid)
        QA Contact: xorg-team-go0+a7rfsptAfugRpC6u6w@public.gmane.org
          Severity: normal
    Classification: Unclassified
                OS: Linux (All)
          Reporter: michael.weirauch-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org
          Hardware: x86-64 (AMD64)
            Status: NEW
           Version: git
         Component: Driver/nouveau
           Product: xorg

Created attachment 105427
  --> https://bugs.freedesktop.org/attachment.cgi?id=105427&action=edit
kernel messages 3.16 git (stripped)

nouveau/linux-2.6 branch linux-3.17
(I have honestly no idea anyore which branch one should follow/test in the last
months...)

Reproduce:
* Laptop in ThinkPad dock, lid closed
* external monitor attached to DVI connector on dock
* suspend (from Gnome)
* resume
* external monitor gets no signal
* opening lid does nothing, have to take out the laptop and laptop LVDS
activates
* putting back into dock gets in previous error state as after resume

Setup:
ThinkPad W520 4276CTO NVC3 (2000M)
openSUSE 12.3 (64bit)
$ zypper search -si --match-exact xorg-x11-driver-video-nouveau xorg-x11-server
Mesa libdrm_nouveau2 kernel
S | Name                          | Typ   | Version            
--+-------------------------------+-------+--------------------
i | Mesa                          | Paket | 9.0.2-34.24.1      
i | kernel                        | Paket | 3.16.0_nouveau+-38 
i | kernel                        | Paket | 3.12.0_nouveau+-23 
i | libdrm_nouveau2               | Paket | 2.4.42-1.1.1       
i | xorg-x11-driver-video-nouveau | Paket | 1.0.6-2.1.1        
i | xorg-x11-server               | Paket | 7.6_1.13.2-1.25.1

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