Public bug reported:

When trying to continuously play a project with two or more tracks using
the SHIFT key + play button Audacity hangs forever with 100% cpu usage.
This only happens when the project's sample rate is different from the
track's rate. It's reproducible every time.

Steps to reproduce:

1. Import two samples with the same sample rate (e.g. 44,1KHz)
2. set the project's sample rate to something different than the track's sample 
rate (e.g 48KHz)
3. While holding shift press the play button

Expected results:
The project loops continuously

Actual results:
Audacity hangs immediately

System is Ubuntu 11.04, Audacity 1.3.13 beta from the official Natty
repos.

ProblemType: Bug
DistroRelease: Ubuntu 11.04
Package: audacity 1.3.13-3ubuntu1
ProcVersionSignature: Ubuntu 2.6.38-10.46-generic 2.6.38.7
Uname: Linux 2.6.38-10-generic x86_64
NonfreeKernelModules: fglrx
AlsaCards:
 0 [SB             ]: HDA-Intel - HDA ATI SB
                       HDA ATI SB at 0xfe7f4000 irq 16
Architecture: amd64
Date: Mon Aug  1 14:22:15 2011
InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Release amd64 (20110427.1)
ProcEnviron:
 LANGUAGE=pt:en
 PATH=(custom, user)
 LANG=pt_PT.UTF-8
 SHELL=/bin/bash
SourcePackage: audacity
UpgradeStatus: No upgrade log present (probably fresh install)

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


** Tags: amd64 apport-bug natty unity-2d

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https://bugs.launchpad.net/bugs/819297

Title:
  Continuous play with two or more tracks hangs Audacity

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