[Evolution] Bug#434910: evolution sporadically becomes unresponsive, uses all CPU

Daniel Leidert daniel.leidert at wgdd.de
Mon Jul 30 09:21:52 UTC 2007

Am Freitag, den 27.07.2007, 10:01 -0700 schrieb Ross Boylan:

> This problem significant affects usability and the performance of my
> entire system.  It is new since the 2.10 upgrade.
> When I'm using evolution, as often as every few minutes, it locks up
> for awhile (10 seconds?) and becomes unresponsive.  It consumes all
> available CPU.  I haven't noticed much of a pattern; I think it has
> happend while scrolling the message list (which is long), while
> scrolling a message in a compose window, and while typing a reply.
> I am running under KDE.  My mailboxes are IMAP; some are quite large.
> My INBOX is 20k messages.

I also observe this behaviour, mostly when walking through a very large
IMAP folder, reading the mails. Then sometimes evolution becomes
unresponsive for a few seconds. I cannot observe this every time.

I guess, I know what's maybe causing this: I prefer to get the mails
every 5 minutes. As longer as evolution runs, it needs more and more
time to fetch the mails - not because the count of mails it has to fetch
increases. It simply gets more and more unresponsive when fetching the
mails. Say in the first hour, it needs 1 second, when I press the button
to fetch the mails. After running maybe 4 hours it becomes unresponsive
for at least 10 seconds when I press the button to fetch the mails.

And maybe this process, that fetches the mails every 5 minutes, is
causing the unresponsive times during walking through my folders too. I
hope, you understand, what I want to say :) The issue is really a bit

@Ross: Maybe you observe the same? The next time the issue occurs for
you, could you check, if the system also gets unresponsive, when you
press the button to fetch the mails?

Regards, Daniel

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