Nouveau - Jan 2010 - [Bug 26102] New: Rotating one monitor of a dual-head setup causes cursor problems

http://bugs.freedesktop.org/show_bug.cgi?id=26102

           Summary: Rotating one monitor of a dual-head setup causes cursor
                    problems
           Product: xorg
           Version: 7.5
          Platform: x86 (IA32)
        OS/Version: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Driver/nouveau
        AssignedTo: nouveau at lists.freedesktop.org
        ReportedBy: drewfrank at gmail.com
         QAContact: xorg-team at lists.x.org


OVERVIEW

Rotating either of my two monitors using xrandr 1.2 causes problems with the
cursor:

1) The cursor fails to rotate along with the rest of the screen.
2) The "click point" is shifted relative to the cursor by about 40
pixels.
i.e., after "xrandr --output VGA-1 --rotate left" all mouse clicks
affect the
screen element approximately 40 pixels to the left of the visible cursor.
3) The region over which the cursor is allowed to move is not aligned with the
edges of the screen.  Again after rotating the screen left, the cursor appears
to hit a wall about 40 pixels from the left edge of the screen.  The cursor can
also move beyond the right edge of the screen.

STEPS TO REPRODUCE

Set up nouveau with 2 monitors.  Use xrandr to rotate one of them, then move
the mouse around.

ACTUAL RESULTS

The problems described in the overview.

EXPECTED RESULTS

The cursor should rotate along with the screen, clicks should be sent to the
point directly under the cursor, and the cursor's range of motion should be
bounded by the screen edges.

BUILD DATE & PLATFORM

I am running Arch Linux with nouveau built from git on 2010-01-13.  My video
card is the GeForce 9500 GT.


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--- Comment #1 from Drew Frank <drewfrank at gmail.com>  2010-01-18
10:24:33 PST ---
Created an attachment (id=32697)
 --> (http://bugs.freedesktop.org/attachment.cgi?id=32697)
My Xorg.0.log after rotating a screen left and then back to normal.


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--- Comment #2 from Drew Frank <drewfrank at gmail.com>  2010-01-18
10:25:06 PST ---
Created an attachment (id=32698)
 --> (http://bugs.freedesktop.org/attachment.cgi?id=32698)
My xorg.conf


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B Jonnh <anarkogaia at gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |anarkogaia at gmail.com




--- Comment #3 from B Jonnh <anarkogaia at gmail.com>  2010-02-08 07:34:18
PST ---
Same problem here. Can send all the files you want.


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--- Comment #4 from Francisco Jerez <currojerez at riseup.net>  2010-02-10
10:33:08 PST ---
Could you try again with latest git?


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--- Comment #5 from Drew Frank <drewfrank at gmail.com>  2010-02-10
17:33:29 PST ---
(In reply to comment #4)
> Could you try again with latest git?
> 
Latest git build fixes the problem :).  Thanks, developers!

I do notice a new issue, where my cursor is not constrained to my monitor
space.  i.e. my setup looks like this:
              _____
 ___________ |     |
|           ||     |
|   Mon1    ||Mon2 |
|___________||     |
             |_____|
and my cursor is able to move beyond the top and bottom of Monitor 1. 
Similarly, it can move across the left boundary of Monitor 2 from the highest
and lowest points into the same regions.  It seems like the cursor should be
screen should be constrained such that this can't happen.  Perhaps this
belongs
in its own bug report, though.


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Francisco Jerez <currojerez at riseup.net> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|                            |FIXED




--- Comment #6 from Francisco Jerez <currojerez at riseup.net>  2010-02-11
03:35:24 PST ---
(In reply to comment #5)
> (In reply to comment #4)
> > Could you try again with latest git?
> > 
> 
> Latest git build fixes the problem :).  Thanks, developers!
> 
Thanks. I'm closing this bug then.
> I do notice a new issue, where my cursor is not constrained to my monitor
> space.  i.e. my setup looks like this:
>               _____
>  ___________ |     |
> |           ||     |
> |   Mon1    ||Mon2 |
> |___________||     |
>              |_____|
> and my cursor is able to move beyond the top and bottom of Monitor 1. 
> Similarly, it can move across the left boundary of Monitor 2 from the
highest
> and lowest points into the same regions.  It seems like the cursor should
be
> screen should be constrained such that this can't happen.  Perhaps this
belongs
> in its own bug report, though.
> 
Definitely not nouveau's fault.


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