Hi Steve,
I cannot reproduce your problem on my Linux machine.
I connected via the root daemon to your file at FNAL (nice test
of the Root remote access via TNetFile by the way) and followed your
sequence of commands. (your file was in fact in the tmp directory!).
Fons is telling me that our current development version (2.21/04) has
a change in the class TGX11TTF that could have fixed this problem.
This version will appear shortly on the Web.
Rene Brun
Stephen Eichblatt wrote:
>
> Hi All,
>
> I have an odd problem which causes my machine to crash, and i have finally
> got it to reproduce itself twice in a row...
>
> I am running root 2.20.06 on RedHat linux.
> I don't have the exact transcript, because it always crashes, but here it
> is.
>
> root [0] TFile f("flipRTFbode1-1.root")
> root [1] f.ls()
> TFile** flipRTFbode1-1.root
> TFile* flipRTFbode1-1.root
> KEY: TH1F Qo;1 bode1-1-Qi
> KEY: TH1F Qi;1 bode1-1-Qi
> KEY: TH1F P1;1 bode1-1-P1
> KEY: TH1F P2;1 bode1-1-P2
> KEY: TH1F P3;1 bode1-1-P3
> KEY: TH1F P4;1 bode1-1-P4
> KEY: TH1F bode1-1-Qo;1 bode1-1-Qo
> KEY: TH1F bode1-1-Qi;1 bode1-1-Qi
> KEY: TH1F bode1-1-P1;1 bode1-1-P1
> KEY: TH1F bode1-1-P2;1 bode1-1-P2
> KEY: TH1F bode1-1-P3;1 bode1-1-P3
> KEY: TH1F bode1-1-P4;1 bode1-1-P4
> root [2] Qo.Draw()
> // At this point, i make the canvas Log Y, by clicking with mouse.
> Warning in <MakeDefCanvas>: creating a default canvas with name c1
> root [3] Qi.Draw("same")
> root [4] P1.Draw("same")
> root [5] P2.Draw("same")
> root [6] P3.Draw("same")
> root [7] P4.Draw("same")
>
> // At this point i draw some text on the screen with the mouse:
>
> // Edit, Editor, Text, Canvas, Type something, Text again, Canvas , Type
> something else,
>
> At this point, if i go to move one of the text objects, it draws some
> fuzzy dots, and then hangs my machine up completely (ie. the only thing it
> responds to is the power switch).
>
> I put the file flipRTFbode1-1.root in the anonymous rootd directory on
> wimp.fnal.gov, so you can open the file from there, although i have had
> this same problem with other histograms...
>
> Let me know if anyone else has had this problem, or if you can reproduce
> it.
>
> Thanks,
>
> Steve Eichblatt
> eichblatt@fnal.gov
> (630)840-4006
> (630)840-3867 (fax).
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