[Studio XPS 1340 ] Audio is crackely/unclear for login sounds and music

[Mario Limonciello]

Binary package hint: pulseaudio

I recently loaded alpha 5 on a Studio XPS 1340 and did the latest updates.

I'm at pulseaudio 0.9.14-0ubuntu10. Audio is crackling when playing music or logging into the machine.

test@dell-desktop:~$ 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.
N: module-alsa-sink.c: Increasing wakeup watermark to 30.00 ms
N: module-alsa-sink.c: Increasing wakeup watermark to 40.00 ms
N: module-alsa-sink.c: Increasing wakeup watermark to 50.00 ms
N: module-alsa-sink.c: Increasing wakeup watermark to 60.00 ms
N: module-alsa-sink.c: Increasing wakeup watermark to 70.00 ms
N: module-alsa-sink.c: Increasing wakeup watermark to 80.00 ms

[Timothy R. Chavez (timrchavez)]

The bug task for the somerville project has been removed by an automated script. This bug has been cloned on that project and is available here: https://bugs.launchpad.net/bugs/1305487