[Nouveau] [Bug 28449] New: I messed up and now nouveau doesn't work.

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=28449

           Summary: I messed up and now nouveau doesn't work.
           Product: xorg
           Version: git
          Platform: x86 (IA32)
        OS/Version: Linux (All)
            Status: NEW
          Severity: critical
          Priority: medium
         Component: Driver/nouveau
        AssignedTo: nouveau at lists.freedesktop.org
        ReportedBy: David.Ronis at McGill.CA
         QAContact: xorg-team at lists.x.org


Created an attachment (id=36158)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=36158)
xorg.conf 

I mistakenly upgraded xserver on my dual-screen desktop (I had intended to do
so on a laptop running a totally different driver).  I had been using nouveau
stably for quite some time, and now it's stopped working.  [I also have
upgraded pixman, xf86-input-*, mesa, xcb/libxcb, xf86-video-nouveau, drm, and
various proto's].   

When I run startx, on the console I see:

(EE) NOUVEAU(0): Output position loop. Moving VGA-1 to 0,0
X: pixmap.c:118: AllocatePixmap: Assertion `pScreen->totalPixmapSize > 0'
failed.
xinit: giving up

(I'll upload my xorg.conf file and Xorg.0.log files)

This is my main machine, and need this fixed urgently.

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