[Bug 100860] New: Dual Monitor display problem, after switching screen positions, with 4.10 Kernels - bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ

From: bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ@public.gmane.org
To: nouveau-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org
Subject: [Bug 100860] New: Dual Monitor display problem, after switching screen positions, with 4.10 Kernels
Date: Thu, 27 Apr 2017 21:56:37 +0000	[thread overview]
Message-ID: <bug-100860-8800@http.bugs.freedesktop.org/> (raw)

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https://bugs.freedesktop.org/show_bug.cgi?id=100860

            Bug ID: 100860
           Summary: Dual Monitor display problem, after switching screen
                    positions, with 4.10 Kernels
           Product: xorg
           Version: unspecified
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: critical
          Priority: medium
         Component: Driver/nouveau
          Assignee: nouveau-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org
          Reporter: tobias.muhlhofer-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org
        QA Contact: xorg-team-go0+a7rfsptAfugRpC6u6w@public.gmane.org

Created attachment 131105
  --> https://bugs.freedesktop.org/attachment.cgi?id=131105&action=edit
Kernel log

When switching screen positions of dual monitors, there is a display issue.
Steps to reproduce:

- Boot the system.

- Log into an Xterm session (to make things as clean as possible).

--> Screens are displayed by default as 1 left, 2 right. The xterm window is on
screen 1.

- Use xrandr --right-of to switch the screens to put 1 right of 2 (i.e. 2 left,
1 right).

--> The xterm window remains displayed on screen 1, but the system acts as if
the window were now displayed on screen 2. Through this, the mouse pointer
position is displayed accurately. That means, in order for a click to register
in the Xterm window, I have to click on the top left of screen 2, which looks
blank.

Checking xev, all mouse pointer coordinates are displayed as if screen 2 were
on the left.

Suspending the system and waking it back up fixes the problem.

Setup is FC24, 4.10 kernels (4.10.8,4.10.9,4.10.10 tried so far), video card is
Nvidia Quadro K620.

This problem did not occur with the 4.9.13 kernel (which was the last one I
used before the 4.10s).

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