Bug 445342 - starting uDev makes audible pop noise from my speakers
Summary: starting uDev makes audible pop noise from my speakers
Keywords:
Status: CLOSED NOTABUG
Alias: None
Product: Fedora
Classification: Fedora
Component: udev
Version: rawhide
Hardware: All
OS: Linux
low
low
Target Milestone: ---
Assignee: Harald Hoyer
QA Contact: Fedora Extras Quality Assurance
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2008-05-06 10:37 UTC by Rodd Clarkson
Modified: 2008-05-06 10:45 UTC (History)
0 users

Fixed In Version:
Clone Of:
Environment:
Last Closed: 2008-05-06 10:45:02 UTC
Type: ---
Embargoed:

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Description Rodd Clarkson 2008-05-06 10:37:19 UTC 
Description of problem:

Each time I start f9-preview, just before the [OK] appears for Starting UDev, I
hear a reasonably loud, audible POP from my speakers.

This didn't happen in f8 and while it doesn't seem to do any damage, I can't
imagine why my speakers need to POP on start up.

Is this an issue? And what more do you need to know?



Version-Release number of selected component (if applicable):

udev-120-4.20080421git.fc9.i386


How reproducible:

Very reproducible.  Just (re)boot fedora.
Comment 1 Harald Hoyer 2008-05-06 10:45:02 UTC 
My guess:

sound modules get loaded

/etc/udev/rules.d/90-alsa.rules runs /sbin/salsa, which restores the last mixer
settings.

mixer settings are stored in /etc/alsa/asound.state

$ fgrep salsa  /etc/init.d/*
/etc/init.d/halt:if [ $? = 0 -a -x /sbin/salsa ]; then
/etc/init.d/halt:   action $"Saving mixer settings" /sbin/salsa -s

and this is stored if you shut down your system.

not a udev bug...
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