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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