hi, thanks a lot, I didn't know that... Franck <div>2008/3/4, Adam Jackson <<a href="mailto:ajax@redhat.com">ajax@redhat.com</a>>:<blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;"> On Tue, 2008-03-04 at 17:42 +0100, Franck Juers wrote: > Hello, > > I've tried to do a snapshot of an X server from an other and it > doesn't work... > I've got one X server which uses display :0.0 > I've started an other server with "startx -- :8" > > when I'm working on :0.0, if I do "import -window root -display :8 > test.bmp" it doesn't work, > when I display it, it's not good... but when I do it from the > server :8.0 with exactly the same command it works... > > I've tried one Xnest -ac :8 & > when I do the snapshot with the import command it captures :0.0 !!!! > > Someone could explain ? Hardware servers only have their front buffer while they are active on the VT. When they are switched away, they _lose_ video memory. The pixels are gone. There's nothing to capture. - ajax </blockquote></div>