[Nouveau] [Bug 23373] New: X goes to 100% cpu on start with GeForce 9400 (0x086a, C79)

[bugzilla-daemon at freedesktop.org]

http://bugs.freedesktop.org/show_bug.cgi?id=23373

           Summary: X goes to 100% cpu on start with GeForce 9400 (0x086a,
                    C79)
           Product: xorg
           Version: git
          Platform: x86-64 (AMD64)
        OS/Version: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Driver/nouveau
        AssignedTo: nouveau at lists.freedesktop.org
        ReportedBy: anssi at mandriva.org
         QAContact: xorg-team at lists.x.org


Created an attachment (id=28710)
 --> (http://bugs.freedesktop.org/attachment.cgi?id=28710)
GF9400: dmesg

When starting X.org server on GeForce 9400 (0x086a, C79, x86_64, DVI monitor
with 1360x768 resolution), the screen is completely white (except for mouse
cursor) and X starts running on 100% cpu (this is SMP system, so it doesn't
render the machine unusable). X seems to be locked up (e.g. numlock doesn't
work), but mouse cursor continues moving.

This happens both with and without KMS. DRM from 20090816 and DDX from
20090815. KMS console works correctly (though I do see "GPU lockup - switching
to software fbcon").

Attached dmesg and X.org log, with KMS enabled.


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