Bug#605318: radeon: random 2cm horizontal lines appear
Mike Sumner wrote:
> each flash is only about 1-2 cms long and I guess 1px wide,
> and they only occur on certain parts of the screen on solid dark
> colours and appear to be completely random. They vary in colour.
> They show up on the grey background of gwenview well, and on
> Chromiums top window frame, which I have dark blue, and that gets
> blue flashes. Strange, but I dont see any interference on my desktop
> background, which has a large area of solid black.
Sorry to take so long to get back to you. Is this still reproducible
with current squeeze kernels? If so, please attach full "dmesg"
output from booting an affected kernel and reproducing the problem,
and from booting an unaffected kernel, so we can compare them.
> firmware-linux-nonfree is installed. I have not tried
> sid kernels, but I also have a testbed install of Mint LMDE (based
> on Testing), and the problem seems to be fixed in that
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