[Nouveau] [Bug 42384] New: X fails on NV11 with Error allocating scanout buffer: 0

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=42384

             Bug #: 42384
           Summary: X fails on NV11 with Error allocating scanout buffer:
                    0
    Classification: Unclassified
           Product: xorg
           Version: git
          Platform: x86 (IA32)
        OS/Version: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Driver/nouveau
        AssignedTo: nouveau at lists.freedesktop.org
        ReportedBy: chris at edesix.com
         QAContact: xorg-team at lists.x.org


Created attachment 52902
  --> https://bugs.freedesktop.org/attachment.cgi?id=52902
xorg log

Hi,

I have an old Geforce2Go card (NV11). The nouveau framebuffer is working fine
(KMS enabled), but X won't start with the nouveau driver (it's okay with
fbdev):

[    54.231] (II) NOUVEAU(0): Opened GPU channel 1
[    54.231] (II) NOUVEAU(0): [DRI2] Setup complete
[    54.231] (II) NOUVEAU(0): [DRI2]   DRI driver: nouveau_vieux
[    54.231] (II) NOUVEAU(0): [DRI2]   VDPAU driver: nouveau_vieux
[    54.233] (EE) NOUVEAU(0): Error allocating scanout buffer: 0
[    54.233] 
Fatal server error:
[    54.233] AddScreen/ScreenInit failed for driver 0

I'm on Fedora 15 and I have tried with the latest packaged driver and with a
build of xf86-video-nouveau from git.

xf86-video-nouveau: git 29 Oct 2011
libdrm-2.4.26-1.fc15.i686
xorg-x11-server-Xorg-1.10.4-1.fc15.i686

I'm not interested in 3D, but I can't work out if there's something I've failed
to disable. If you need me to enable more debug, please point to some
instructions on how to do this.

dmesg, Xorg logs & cfg attached.

Regards,
Chris.

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