https://bugzilla.kernel.org/show_bug.cgi?id=100281
Bug ID: 100281
Summary: CPU suspend & alsa conflict
Product: ACPI
Version: 2.5
Kernel Version: 3.19.0-21-generic
Hardware: x86-64
OS: Linux
Tree: Mainline
Status: NEW
Severity: normal
Priority: P1
Component: Other
Assignee: [email protected]
Reporter: [email protected]
Regression: No
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.
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/
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