Every few seconds, sound stops for a second or so. In sound manager, all inputs/outputs disappear, being replaced with the message: "Establishing connection to PulseAudio. Please wait."
syslog has contained the following sequence of logs, every time this happens, about every nine seconds:
May 23 02:57:46 l dbus[921]: [system] Activating via systemd: service name='org.freedesktop.nm_dispatcher' unit='dbus-org.freedesktop.nm-dispatcher.service'
May 23 02:57:46 l systemd[1]: Starting Network Manager Script Dispatcher Service...
May 23 02:57:46 l dbus[921]: [system] Successfully activated service 'org.freedesktop.nm_dispatcher'
May 23 02:57:46 l systemd[1]: Started Network Manager Script Dispatcher Service.
May 23 02:57:46 l nm-dispatcher: req:1 'dhcp6-change' [enp2s0]: new request (1 scripts)
May 23 02:57:46 l nm-dispatcher: req:1 'dhcp6-change' [enp2s0]: start running ordered scripts...
May 23 02:57:49 l rtkit-daemon[13994]: Supervising 0 threads of 0 processes of 1 users.
May 23 02:57:49 l rtkit-daemon[13994]: Successfully made thread 15619 of process 1918 (n/a) owned by '1000' RT at priority 5.
May 23 02:57:49 l rtkit-daemon[13994]: Supervising 1 threads of 1 processes of 1 users.
May 23 02:57:49 l rtkit-daemon[13994]: Supervising 0 threads of 0 processes of 1 users.
May 23 02:57:49 l rtkit-daemon[13994]: Successfully made thread 15620 of process 1918 (n/a) owned by '1000' RT at priority 5.
May 23 02:57:49 l rtkit-daemon[13994]: Supervising 1 threads of 1 processes of 1 users.
May 23 02:58:01 l dhclient[1442]: PRC: Renewing lease on enp2s0.
May 23 02:58:01 l dhclient[1442]: XMT: Renew on enp2s0, interval 9330ms.
May 23 02:58:01 l dhclient[1442]: RCV: Reply message on enp2s0 from XXXX::a62b:8cff:XXXX:XXXX.
*replaced part of IPv6 with XXXX.
My hardware is:
- Intel(R) Core(TM) i7-4770K CPU @ 3.50GHz
- 8GB RAM
- Gigabyte Technology Co., Ltd. / H87N-WIFI
- Audio device: Intel Corporation Xeon E3-1200 v3/4th Gen Core Processor HD Audio Controller (rev 06)
- Communication controller: Intel Corporation 8 Series/C220 Series Chipset Family MEI Controller #1 (rev 04)
- Ethernet controller: Qualcomm Atheros AR8161 Gigabit Ethernet (rev 10)
Could be an Intel driver related issue?