From mboxrd@z Thu Jan  1 00:00:00 1970
From: bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ@public.gmane.org
Subject: [Bug 22786] New: NV30: X hangs with KMS enabled in
	certain cases
Date: Wed, 15 Jul 2009 12:24:43 -0700 (PDT)
Message-ID: <bug-22786-8800@http.bugs.freedesktop.org/>
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http://bugs.freedesktop.org/show_bug.cgi?id=22786

           Summary: NV30: X hangs with KMS enabled in certain cases
           Product: xorg
           Version: 7.4
          Platform: x86-64 (AMD64)
        OS/Version: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Driver/nouveau
        AssignedTo: nouveau-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org
        ReportedBy: patmandin-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org
         QAContact: xorg-team-go0+a7rfsptAfugRpC6u6w@public.gmane.org


- With Option "EXAPixmaps" "on"

When enabled, X simply hangs at startup, just get a black screen with visible
mouse cursor.

- With Mesa/gallium nv30 backend (I know, unsupported, just in case it is the
same issue):

progs/trivial/tri hangs X somewhere in libdrm. gdb show me it is when
nouveau_pushbuf_flush() is called. The specific instruction seems to be
drmCommandWrite(..., DRM_NOUVEAU_GEM_PUSHBUF, ...). Not the first time it is
called, but the 3rd or 4th.

In both cases, disabling agp (nouveau.noagp=1) makes no change, X still hangs.


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