[Bug 186265] Kmail crashes when moving many mails at once to different imap folder

[Michal Hlavinka]

https://bugs.kde.org/show_bug.cgi?id=186265





--- Comment #8 from Michal Hlavinka <mhlavink redhat com>  2009-08-12 08:51:14 ---
(In reply to comment #7)
> This looks somewhat related to the backtrace in bug 201371. Also, the large of
> the backtrace can be a sign of stress (matching the "very busy" state of bug
> 201371 case)

in 201371 I don't see this part of pattern from my backtrace which is (I guess)
important for this "loop"
#21 0x0000003d8db54fdc in QMetaObject::activate (sender=0x4333ac0,
from_signal_index=<value optimized out>, to_signal_index=<value optimized out>,
argv=0x1) at kernel/qobject.cpp:3113
#22 0x0000003d8db39a45 in QAbstractItemModel::reset (this=0x4333ac0) at
kernel/qabstractitemmodel.cpp:2263

It seems to me (it's only guess) there is some "onchange" signal which calls
something that change something and emit signal again (or two signals) creating
this recursion.

machine is idle most of the time and works fine. It's very busy only when I
reproduce this problem and it's busy because of loop filling up the stack.

I didn't noticed any other crash so far.

> Have you noticed any other strange behaviour that would be caused by some
> Hardware problem ?

no, this hardware is almost one year old, so I think it's quite new but
seasoned. There is nothing indicating any problem.

I can reproduce this bug at will with 100 % chance (using KDE 4.3.0 with KMail
1.12.0)

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