Public bug reported: When not touching mouse and keyboard audio stuttering appears. Stuttering appears when CPU load become slow down. In task manager i have seen normal cpu load approx 20-30 % and 3% when audio stuttering comes. When did not touch keyboard and mouse audio stuttering appears at 4 or 8 or 2 sec. and continues 4 - 5 sec. and this effect looping. I have tried kernells: 3.19.0-15; 3.19.0-21; 4.1.0-040100rc8.
Sound cards recognized by the system: 00:07.0 Audio device [0403]: NVIDIA Corporation MCP72XE/MCP72P/MCP78U/MCP78S High Definition Audio [10de:0774] (rev a1) Sound cards recognized by ALSA: 00:07.0 Audio device [0403]: NVIDIA Corporation MCP72XE/MCP72P/MCP78U/MCP78S High Definition Audio [10de:0774] (rev a1) Sound cards recognized by ALSA, and activated: 00:07.0 Audio device [0403]: NVIDIA Corporation MCP72XE/MCP72P/MCP78U/MCP78S High Definition Audio [10de:0774] (rev a1) 00-00: ALC662 rev1 Analog : ALC662 rev1 Analog : playback 1 : capture 1 00-01: ALC662 rev1 Digital : ALC662 rev1 Digital : playback 1 00-02: ALC662 rev1 Alt Analog : ALC662 rev1 Alt Analog : capture 1 00-03: HDMI 0 : HDMI 0 : playback 1 alsactl version 1.0.29 or 1.0.28 - same effect. 3.19.0-21-generic #21-Ubuntu SMP Sun Jun 14 18:31:11 UTC 2015 x86_64 x86_64 x86_64 GNU/Linux dmesg --level=err,warn: http://paste.debian.net/250409/ lspci http://paste.debian.net/250778/ lspci -v http://paste.debian.net/250779/ ** Affects: linux (Ubuntu) Importance: Undecided Assignee: FJLOMACTEP (flomasters) Status: New ** Changed in: linux (Ubuntu) Assignee: (unassigned) => FJLOMACTEP (flomasters) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1467376 Title: Stuttering looping sound when not touching mouse/keyoard To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1467376/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs