Re: image dump of hidden X session
From: Måns Rullgård (mru_at_users.sourceforge.net)
Date: 08/12/03
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Date: Tue, 12 Aug 2003 10:05:31 +0200
mase <mase900@hotpop.com> writes:
>> | Image is a repetitive pattern.
>>
>> That could mean any number of things, depending on what is repeating.
>> For example, an image with the pixel array re-interpreted as to width
>> and color depth could come out very strange. I've played with raw image
>> files enough to see lots of that.
>
> A question. Does it work well to all you?
>
> Because that would clarify me enough things.
>
> From a console (Ctrl-Alt-F1):
>
> #> start -- :1
>
> The new X session will appear at C-Alt-F8. And then from first X session
> (Ctr-Alt-F7), in a xterm:
>
> #> xwd -display :1 -root | xwud
>
> Really it takes a good screenshot to all you? I've already
> proven it in another computer in order to discard some hardware or
> configurartion problem and it continues going badly.
I just tried it, and I see exactly the same problem. I think it could
be that when doing a screenshot, the image is read from the video
memory. If the a different X server is using the graphics card,
strange things could result. I also tried it with backing store
enabled, "startx -- :1 +bs -wm", and things looked a lot better, but
some windows were missing things.
-- Måns Rullgård mru@users.sf.net
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