Comment 8 for bug 545096

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Bryce Harrington (bryce) wrote : Re: [lucid][R500 X1400] intermitent screen corruption (pink world )

Hi Lionel, well at least turning off KMS sounds like it's working around the issue.

Would you mind reproducing the issue, taking a photo of the screen and attaching it? You've described the corruption quite well but sometimes being able to see what the screen looks like provides a strong clue about what's gone wrong.

Also, please run `apport-collect 545096` - this will attach your dmesg and various other files useful in debugging X issues in general.

In addition to that, there is a tool called avivotool (provided in the 'radeontool' package that can be used to help get an idea of what is going on in the gpu registers. Run it two times, once when you're reproducing the issue (you might have to ssh into the box to do this):

    avivotool regs all > regdump_broke.txt

And then again with your graphics configured to display properly (e.g. using -vesa or nomodeset):

    avivotool regs all > regdump_broke.txt