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Old 01-27-2005, 08:57 PM   #1
Registered: Nov 2004
Location: Texas
Distribution: openSUSE 10.3, Yoper Linux 3.0 , Arch Linux 2007.08
Posts: 253

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Weird KDE Sound Problem

My Mandrake 10.1 CE has suddenly developed a weird KDE sound problem. I have the KDE sounds enabled, such that after KDE has come up it plays a start up sound. Sometime over the last two days, I did *something* to the system such that KDE now delays about 10s after it has finished coming up before playing the sound. The KDE splash screen has long since disappeared, and the mouse pointer shows that the system is available and waiting for input.

Can anyone tell me what triggers KDE to play the start up sound? Alternately, is there some form of KDE start up log file that I could check? Perhaps I can get a pointer from what is in it? This is not a serious issue, rather just an annoyance. I would like to fix it though, if I can. Thanks!
Old 01-28-2005, 02:36 PM   #2
Registered: Nov 2004
Location: Texas
Distribution: openSUSE 10.3, Yoper Linux 3.0 , Arch Linux 2007.08
Posts: 253

Original Poster
Rep: Reputation: 30
Weird KDE Sound Problem - Solved

I have discovered the cause of and cure for the problem I reported in my earlier post, and thought I would pass it along to you, in case it may help someone else.

For reasons unknown, with MDK 10.1 CE, I have to specify that KDE use an external player to play sounds. On other distributions, this has not been necessary, but it seems to be for MDK 10.1. I have set it up to use "play", a sox script. KDE has a setting in [Control Center, Sounds and Multimedia, Sound System] called Auto Suspend. Apparently, when KDE decides to play a sound, it grabs hold of the audio device and will hold it until done with the sound, and then will relinquish it after the period of time specified by the Auto Suspend setting. I have had this value set to 5s for no particular reason. A day or so ago, trying to fix another problem, I bumped it up to 15s. This caused the problem I reported in my first post.

When it is all said and done, for my system at least, the start up sound won't play until AFTER the Auto Suspend interval is complete and KDE releases the audio device. Why this is the case for the startup sound, and not all the other sounds KDE makes, I don't know. However, when I set this number to 2s, suddenly the start up sound is playing in parallel with the KDE splash screen and is completed by the time the splash screen goes away. When I had it set to 15s, the start up sound wouldn't play until about 10s after the splash screen had disappeared.

So, I don't think I have found the root cause of the problem, but I have found out how to make it go away - set the Auto Suspend period to a very low value. I don't know why I have to use an external player to start with, and I don't know why the Auto Suspend period doesn't have the effect of delaying ALL sounds KDE makes, but nonetheless, changing the value to 2s is a very satisfactory cure. Hope this may help someone.


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