[Nouveau] [Bug 84706] [NV94] HDMI Connected, but TV reports "no signal"

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=84706

--- Comment #14 from Jay van Dam <jayvandam at gmail.com> ---
Recompiled the kernel without vesa and uvesa, but it does not make a
difference.  Added the new kernel log with nouveau.debug=trace and
drm.debug=0xe. Also added the Xorg.log and the xrandr output. 

When I went through the kernel log I saw the following lines passing by:
[    0.385140] nouveau D[  DEVICE][0000:05:00.0][0x80000080][ffff880222262600]
illegal class 0x9470
[    0.385151] nouveau D[  DEVICE][0000:05:00.0][0x80000080][ffff880222262600]
handle 0xd1500000 not found


[    0.392674] nouveau D[   PDISP][0000:05:00.0][0x80008870][ffff8800cb36a120]
illegal class 0x947d

[    0.392686] nouveau D[   PDISP][0000:05:00.0][0x80008870][ffff8800cb36a120]
handle 0x947d0000 not found

[    0.654992] nouveau D[   PFIFO][0000:05:00.0][0xc000826f][ffff880222d533c0]
illegal class 0xa0b5
[    0.655005] nouveau D[   PFIFO][0000:05:00.0][0xc000826f][ffff880222d533c0]
handle 0x0000a0b5 not found

The messages "illegal class" and "handle not found" do not seem right. Could
this be related?

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