Public bug reported:

root@tegra-ubuntu:~# audacity
ALSA lib pcm_dsnoop.c:618:(snd_pcm_dsnoop_open) unable to open slave
ALSA lib pcm_dmix.c:1022:(snd_pcm_dmix_open) unable to open slave
ALSA lib pcm.c:2239:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.rear
ALSA lib pcm.c:2239:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.center_lfe
ALSA lib pcm.c:2239:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.side
bt_audio_service_open: connect() failed: Connection refused (111)
bt_audio_service_open: connect() failed: Connection refused (111)
bt_audio_service_open: connect() failed: Connection refused (111)
bt_audio_service_open: connect() failed: Connection refused (111)
ALSA lib pcm_dmix.c:961:(snd_pcm_dmix_open) The dmix plugin supports only 
playback stream
ALSA lib pcm_dmix.c:1022:(snd_pcm_dmix_open) unable to open slave
FATAL: cannot locate cpu MHz in /proc/cpuinfo

It looks like audacity requires the Bogomips value from /proc/cpuinfo which is 
no more
present in modern kernels.

ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: audacity 2.0.5-1ubuntu3.2
Uname: Linux 3.10.24-gf455cd4 armv7l
ApportVersion: 2.14.1-0ubuntu3.2
Architecture: armhf
CurrentDesktop: Unity
Date: Wed Jul 23 22:44:22 2014
SourcePackage: audacity
UpgradeStatus: No upgrade log present (probably fresh install)

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


** Tags: apport-bug armhf trusty

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https://bugs.launchpad.net/bugs/1347914

Title:
  Audacity crashes on startup while trying to read /proc/cpuinfo

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