[Bug 225602] Kmail is extremely slow and uses CPU without any reason

[Martin L ü c h e m]

https://bugs.kde.org/show_bug.cgi?id=225602





--- Comment #18 from Martin L ü c h e m <Heinrich20 gmx de>  2010-04-19 00:04:12 ---
Hi Thomas,

> Hi,
>
> On Sunday 18 April 2010 14:14:37 you wrote:
>> this vid to show you, how KMail uses CPU without any action.
>
> Yep, the video matches your description. I can of course not tell anything
> more from that video.
> Are you sure it is not doing a mail check in the background?

I thought about that. But therefore I sent you the statistics that shows all 
"mail processes". Don't you think, that the imap- and pop3-processes should 
react in this case? Or are there other processes that I can monitor?

Regards, Martin


Am Sonntag, 18. April 2010, um 23:57:38 schrieb Martin L ü c h e m:
> https://bugs.kde.org/show_bug.cgi?id=225602
> 
> 
> 
> 
> 
> --- Comment #17 from Martin L ü c h e m <Heinrich20 gmx de>  2010-04-18
>  23:57:37 --- Hello Thomas,
> 
> Am Sonntag, 18. April 2010, um 23:25:52 schrieb Thomas McGuire:
> > > Well, this is exactly the situation that describes the bug: No active
> > > processes in KMail but KMail "eats" CPU ressources!
> >
> > I guess you mean active threads, not processes. KMail can not use CPU
> >  without having active threads, I guess your timing for the backtraces
> > was just unlucky.
> 
> This is all I can do and all I can say. A little bit simpler: KMail heats
>  my Notebook while I am doing nothing. And the video I sent you describes
>  what I can see in ksysguard. What else could I do? When I kill KMail, the
>  usage of CPU decreases.
> 
> > > another question: What can we do to exclude that the reason for the
> > > problem  is the power managment (ACPI)?
> >
> > It would surprise me if this bug had anything to do with ACPI, that is
> >  lower level than all of the KMail code.
> > Why do you think it could be related?
> 
> Well sometimes the Notebook seems to be slower when woken up out of
>  "suspend- to-ram". Who knows if that has anything to do with this
>  KMail-Problem?
> 
> Tell me what I can do to clarify the situation!
> 
> Thanks for your help! Martin
>

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