pulseaudio Crash in Jaunty

[vnieto]

Binary package hint: pulseaudio

When I use Pulse audio to play musick or video Crash before some time:
Example:
vnieto@vnieto-laptop:~$ pulseaudio
I: caps.c: Limited capabilities successfully to CAP_SYS_NICE.
I: caps.c: Dropping root privileges.
I: caps.c: Limited capabilities successfully to CAP_SYS_NICE.
N: main.c: Called SUID root and real-time and/or high-priority scheduling was requested in the configuration. However, we lack the necessary privileges:
N: main.c: We are not in group 'pulse-rt', PolicyKit refuse to grant us the requested privileges and we have no increase RLIMIT_NICE/RLIMIT_RTPRIO resource limits.
N: main.c: For enabling real-time/high-priority scheduling please acquire the appropriate PolicyKit privileges, or become a member of 'pulse-rt', or increase the RLIMIT_NICE/RLIMIT_RTPRIO resource limits for this user.
W: pid.c: Stale PID file, overwriting.
W: alsa-util.c: Cannot find fallback mixer control "Mic" or mixer control is no combination of switch/volume.
E: alsa-util.c: snd_pcm_avail_update() returned a value that is exceptionally large: 13835058055282162480 bytes (418293516403 ms) Most likely this is a Linux bug. Please report this issue to the ALSA developers.
Soft CPU time limit exhausted, terminating.
Hard CPU time limit exhausted, terminating forcibly.

Another example:
vnieto@vnieto-laptop:~$ pulseaudio
I: caps.c: Limited capabilities successfully to CAP_SYS_NICE.
I: caps.c: Dropping root privileges.
I: caps.c: Limited capabilities successfully to CAP_SYS_NICE.
N: main.c: Called SUID root and real-time and/or high-priority scheduling was requested in the configuration. However, we lack the necessary privileges:
N: main.c: We are not in group 'pulse-rt', PolicyKit refuse to grant us the requested privileges and we have no increase RLIMIT_NICE/RLIMIT_RTPRIO resource limits.
N: main.c: For enabling real-time/high-priority scheduling please acquire the appropriate PolicyKit privileges, or become a member of 'pulse-rt', or increase the RLIMIT_NICE/RLIMIT_RTPRIO resource limits for this user.
W: pid.c: Stale PID file, overwriting.
W: alsa-util.c: Cannot find fallback mixer control "Mic" or mixer control is no combination of switch/volume.
Soft CPU time limit exhausted, terminating.
E: cpulimit.c: Received request to terminate due to CPU overload.

lsb_release -a
Distributor ID: Ubuntu
Description: Ubuntu jaunty (development branch)
Release: 9.04
Codename: jaunty
uname -a:
Linux vnieto-laptop 2.6.28-8-generic #24-Ubuntu SMP Wed Feb 18 20:36:18 UTC 2009 x86_64 GNU/Linux