[Nouveau] [Bug 54587] [NV1F] Flickering screen on Geforece 4

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=54587

--- Comment #29 from Vesa <piip at mail.com> ---
My VGA cable has ferrites on both ends and connectors are well secured. I have
not seen this problem with Windows, nvidia or vesa (not me) driver. Even now
with Ubuntu 10.04 and nvidia driver the screen is perfect.

I attached a new photo. It shows horizontal lines when nothing changes in the
screen contents and the hard disk is idle.

I am an embedded software programmer. I think this might have something to do
with graphic adapter bus timings. Once I had an AD converter board which had
periodical errors in DMA transfers when wait states were not set correctly.
This graphic adapter shares memory with mother board and I guess it picks other
memory bus traffic. This might not be shown if graphic adapter has an internal
memory. Do you yourself have a geforce 4?

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