Public bug reported:
Binary package hint: jackd2
jackd locked up (100% cpu) after wake from sleep. It unlocked
periodically (approx. every minute) for a few seconds. In Ubuntu 10.04
jackd stopped when the laptop was put in sleep mode but this seems to
not be the case for 10.10.
Extract from log after manually killing from console (first few lines
repeated hundreds of times):
jack main caught signal 15
ALSA: channel flush for playback failed (File descriptor in bad state)
JackAudioDriver::ProcessAsync: read error, skip cycle
alsa_driver_xrun_recovery
ALSA: channel flush for playback failed (File descriptor in bad state)
JackAudioDriver::ProcessAsync: read error, skip cycle
ALSA: channel flush for playback failed (File descriptor in bad state)
Cannot stop driver
Released audio card Audio0
audio_reservation_finish
JackSocketClientChannel read fail
WARNING: 14177509 message buffer overruns!
jackd: no process found
ProblemType: Bug
DistroRelease: Ubuntu 10.10
Package: jackd 5
ProcVersionSignature: Ubuntu 2.6.35-22.34-generic 2.6.35.4
Uname: Linux 2.6.35-22-generic i686
Architecture: i386
Date: Thu Oct 14 20:18:23 2010
InstallationMedia: Ubuntu 9.10 "Karmic Koala" - Release i386 (20091028.5)
PackageArchitecture: all
ProcEnviron:
PATH=(custom, user)
LANG=en_GB.utf8
SHELL=/bin/bash
SourcePackage: jackd-defaults
** Affects: jackd2 (Ubuntu)
Importance: Undecided
Status: New
** Tags: apport-bug i386 maverick
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jackd locks up laptop after sleep
https://bugs.launchpad.net/bugs/660750
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