Ubuntu 12.04 (precise) reached end-of-life on April 28, 2017.
** Changed in: pulseaudio (Ubuntu Precise)
Status: Triaged => Won't Fix
** Changed in: pulseaudio (Ubuntu)
Assignee: David Henningsson (diwic) => (unassigned)
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https://bugs.launchpad.net/bugs/843587
Title:
Default sink/source is not always preserved on suspend/resume
Status in pulseaudio package in Ubuntu:
Incomplete
Status in pulseaudio source package in Precise:
Won't Fix
Status in pulseaudio source package in Quantal:
Won't Fix
Bug description:
1) Select your USB headset as default sink
2) Suspend
3) Resume
4) Notice that your internal sound card is now the default sink
The root cause of this problem is suspend/resume timing. USB stack
(and bluetooth stack?) is not kept consistent across suspend/resume,
and might start to dismantle before the PulseAudio process freezes, or
is not fully assembled when PulseAudio starts again. As a result,
PulseAudio sees this as the USB headset being unplugged and then
plugged in again.
Fixing this for all use cases is tricky and probably requires the
priority lists Colin Guthrie plans on implementing post v1.0.
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