http://bugzilla.kernel.org/show_bug.cgi?id=11169
Summary: No sound after resume
Product: ACPI
Version: 2.5
KernelVersion: 2.6.24-19 (whatever is latest with ubuntu 8,04+updates)
Platform: All
OS/Version: Linux
Tree: Mainline
Status: NEW
Severity: normal
Priority: P1
Component: Power-Sleep-Wake
AssignedTo: [EMAIL PROTECTED]
ReportedBy: [EMAIL PROTECTED]
Latest working kernel version: 2.6.20
Earliest failing kernel version: 2.6.24+ (whatever comes with ubuntu
8.04+updates)
Distribution: Ubuntu 8.04 + official occasional updates
Hardware Environment: IBM Thinkpad T23
Software Environment: X11/Gnome/PowerManager
Problem Description:
**Please re-assign to the right component, I couldn't find where to file this
bug as there seems to be no "alsa" component on this bugzilla.**
So, I have an IBM Thinkpad T23 and it works 100% with Ubuntu, except one
thing: the sound doesn't work after you resume from sleep (it works
beforehand). However, if you play with the master or PCM volume controls (even
if you just move the sliders by 2 pixels), the sound comes back! During that
time, the sliders are not, neither are shown as muted. After filing a bug
report at Ubuntu, the original idea was that PulseAudio was messing up, but its
developer told me via email that it's possibly a Gnome Power Manager bug. I
filed a bug with Gnome's power manager guy and he said (
http://bugzilla.gnome.org/show_bug.cgi?id=543652 ) that the bug is the
ALSA-kernel's module. So here I am. So far, I am been bounced like a ball
trying to get this fixed. The bug appears to only happen with some older
Thinkpads.
Bug report with more info here (although some of the info there might be pretty
confusing as some users there don't know what they are talking about or they
are mixing different problems with this):
https://bugs.launchpad.net/ubuntu/+source/pulseaudio/+bug/202089
Steps to reproduce: Put the Thinkpad to sleep while logged in on gnome, wake it
up, no sound.
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