default-fragments = 2 default-fragment-size-msec = 5 in daemon.conf, and
load-module module-alsa-sink tsched=0 (only needed if using acpi, acpi=off or apm works nice without it) in default.pa helped me on thinkpad 570e with snd_cs46xx ( 00:05.0 Multimedia audio controller: Cirrus Logic CS 4614/22/24/30 [CrystalClear SoundFusion Audio Accelerator] (rev 01) ) I'm on Debian, tested on 2.6.32 and 2.6.35 kernels. Pulseaudio 0.9.21-3 note: if you want to use APM with grub2 and get "apm: bios not found" error, try --- before/10_linux 2010-12-02 19:03:54.000000000 +0300 +++ after/10_linux 2010-12-02 19:03:58.000000000 +0300 @@ -79,12 +79,12 @@ printf '%s\n' "${prepare_boot_cache}" cat << EOF echo '$(printf "$(gettext_quoted "Loading Linux %s ...")" ${version})' - linux ${rel_dirname}/${basename} root=${linux_root_device_thisversion} ro ${args} + linux16 ${rel_dirname}/${basename} root=${linux_root_device_thisversion} ro ${args} EOF if test -n "${initrd}" ; then cat << EOF echo '$(gettext_quoted "Loading initial ramdisk ...")' - initrd ${rel_dirname}/${initrd} + initrd16 ${rel_dirname}/${initrd} EOF fi cat << EOF $ update-grub $reboot -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/428619 Title: pulseaudio crackle/distortion with cs46xx on latest update -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs