Re: [Evolution] UI freezing

[Brian L Scipioni <brian scipioni janusresearch com>]

The problem I reported earlier about deadlocking etc., had nothing to do
with freezing - but that also is a new phenomenon that has only been
happening to me recently.  I'll be typing away in a new message and all
of a sudden no more characters and Everything freezes.  Then after a
long time (15 seconds or so) all my buffered characters spit out.  While
in a freeze, the window will move but not repaint.  If I drag it around
a lot while it is frozen (trying to wake it up I suppose :-)), it will
crash.  

I've only seen this on my primary home computer, a dual AMD Opteron 252,
but never on my work computer, a Intel core2duo E6600.  They have
identical software: FC6 with the 2.6.20-1.2962.fc6 kernel and Evo 2.8.3
and the same other packages loaded.

The only software difference is at work I exclusively use an IMAP
client, while at home I primarily use a POP3 client.  That makes sense,
because I have a sneaking suspicion these locks and freezes are
associated with I/O.

-- 
Brian L Scipioni <brian scipioni janusresearch com>

On Tue, 2007-08-07 at 13:06 -0400, Patrick O'Callaghan wrote:
> On Tue, 2007-08-07 at 10:48 -0400, Daniel Gryniewicz wrote:
> > On Tue, 2007-08-07 at 07:18 -0400, Patrick O'Callaghan wrote:
> > > I'm pretty sure this didn't used to happen, but recently I've been
> > > noticing the UI freezing for a few seconds quite regularly. It happens
> > > while I'm composing a message, and also if I switch IMAP folders, often
> > > when the "Storing ..." string appears on the lower edge status line.
> > > 
> > > At first I thought it could be because my Drafts folder is remote, or
> > > because I use a slow LDAP server, but turning off both these things made
> > > no difference.
> > > 
> > > Is there a problem with multi-threading or did I just not ntoice this
> > > before? I'm currently on 2.10.3 under Fedora 7 with KDE 3.5.7.
> > > 
> > 
> > This could be a kernel issue.  There have been reports of I/O freezes
> > under 2.6.20 and 2.6.21 kernels.  Some of these are reported as fixed in
> > 2.6.22 kernels.  I've seen this too, but only when something else on the
> > box is using a lot of I/O.
> 
> I'm using the 2.6.22 kernel. Also, I haven't seen this except in Evo.
> The UI freezes completely e.g. if I bury the window and raise it again
> it won't even refresh, but I can switch to a different app or even a
> different desktop and everything else works. Eventually Evo wakes up
> again and I can continue until the next freeze.
> 
> poc
> 
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-- 
Brian L Scipioni <brian scipioni janusresearch com>