Public bug reported:

Debugging with Qt Creator does not work. Upon entering debug mode, the
error message in the attached screenshot is presented (translation:
ptrace: operation not allowed). The associated console window stays open
without any possibility of interaction.

How to reproduce:
- In QtCreator, create a new "Plain C" or "Plain C++" project.
- Set a breakpoint in the generated main function
- click the Debug-button in the lower left bar.

Expected: Debug mode opens with the ability to set breakpoints, edit
watches and step through the source code.

What happens: See attached screenshot. Debugging doesn't work.

ProblemType: Bug
DistroRelease: Ubuntu 13.04
Package: qtcreator 2.7.0~beta-0ubuntu2
ProcVersionSignature: Ubuntu 3.8.0-11.20-generic 3.8.2
Uname: Linux 3.8.0-11-generic x86_64
ApportVersion: 2.9.1-0ubuntu1
Architecture: amd64
Date: Mon Mar 18 16:18:47 2013
InstallationDate: Installed on 2013-03-08 (9 days ago)
InstallationMedia: Ubuntu 13.04 "Raring Ringtail" - Alpha amd64 (20130308)
MarkForUpload: True
SourcePackage: qtcreator
UpgradeStatus: No upgrade log present (probably fresh install)

** Affects: qtcreator (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug raring

** Attachment added: "ptrace_not_allowed.png"
   
https://bugs.launchpad.net/bugs/1156674/+attachment/3581631/+files/ptrace_not_allowed.png

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https://bugs.launchpad.net/bugs/1156674

Title:
  QtCreator: "ptrace: operation not allowed" in Debug mode

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