sound goes off/on if I change OS to XP and back

Derek Broughton news at
Fri Nov 16 00:50:41 UTC 2007

Leo Cacciari wrote:

> Il giorno ven, 16/11/2007 alle 01.28 +0530, AlgoMantra ha scritto:
>> I have a dual boot on my Compaq Presario C500. And
>> the sound sometimes comes on un Ubuntu, and sometimes
>> it doesn't...but normally its going off or on is triggered by
>> my changing the OS to Windows XP and then booting
>> back into Ubuntu Gutsy.
> Does you 'reboot' from XP to Ubuntu or do you do a power off followed by
> a power on? In the former case, I'll say that windows is letting your
> sound card in some funny state linux is not able to dealt with...
And in the latter (I had a sound card like that...) the hibernate/resume
forces removal and reinstallation of modules that gets the modules loaded
in the right order to work.

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