Kubuntu/Ubuntu does not remove everything from memory at shutdown

Isak Enström isak.enstrom at gmail.com
Fri Mar 12 14:40:54 GMT 2010

On 2010-03-12 02:02, Steve Morris wrote:
> On 11/03/10 14:53, Pastor JW wrote:
>> On Wednesday 10 March 2010 11:34:33 am Steve Morris wrote:
>>> On 11/03/10 03:22, Juergen Sauer wrote:
>>>> Am Freitag, 5. März 2010 schrieb Mark Greenwood:
>>>>>> Looks like an pure Windows7 Problem. Ask them.
>>>>> No it's not a Windows problem, I have the same. If I choose
>>>>> 'Reboot' on
>>>>> my laptop from within Kubuntu, then when the laptop comes back up I
>>>>> have
>>>>> no ACPI functionality and no sound. I have to Shutdown and then switch
>>>>> on again to do a proper reboot from within (K)Ubuntu. This does not
>>>>> happen with Mandriva. However on my desktop system a reboot from
>>>>> Kubuntu
>>>>> works fine. I suspect it is an ACPI bug and I reported it to Ubuntu
>>>>> about, oh, two millennia ago.
>>>> Ofcours is it a Problem of the booting operation system if it can not
>>>> correctla initialize the system's hardware.
>>>> If a system is to be booted, a OS must be able to boot correctly.
>>>> In this definition it is a clearly Windoze 7 problem.
>>>> Jojo
>>> No, it is not a Windows 7 problem, it is Kubuntu/Ubuntu not doing things
>>> properly with the hardware when it shuts down.
>> it is not shutting down that is the problem. Either the sound card is
>> flaky
>> in which case from time to time both Mandriva and Ubuntu would also
>> fail to
>> produce sound upon start-up OR the problem is with the OS not correctly
>> initializing the sound card upon boot up. Any values left in componet
>> parts
>> are supposed to be reset to the values the OS requires when it boots the
>> system up. Mandriva seems to handle this fine as does Ubuntu on your
>> computer, the other one clearly seems unable to handle this usually
>> simple
>> task. Does it also re-display your previous OS's last monitor screens?
> I don't get re-displays of previous OS's last monitor screens. This
> issue is definitely a Kubuntu shutdown issue and not a Win 7 initialise
> issue.
> As I have said in another thread, I have to boot to Mandriva's kdm login
> screen and warm boot from there to get sound under Win 7 because
> Mandriva shuts down properly.
> Also I am regularly in the situation of having to warm boot from Kubuntu
> to Kubuntu to recover from crashes of the flaky compiz version being
> used in Kubuntu, and having firefox tell me it can't start because the
> version that was active when I warm booted Kubuntu is still in memory
> and not responding and needs to be removed first.
> regards,
> Steve

I once had a computer with Win 3.x on it. Sometimes the sound was lost 
when I shut down a particular game (don't remember what game it was). 
Warm rebooting didn't help, I had to shut down the computer completely 
to get sound working again. None of my mates had this problem (with a 
similar setup).

Now I'm not saying that your experience is wrong, I just think you are 
blaming the wrong part. Are you using an integrated sound card? If so, 
you could try using another sound card (if you happen to have a spare one).

By the way, were you saying that the sound is working when you boot into 


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