[Bug 289987] New: Kmail freezes when deleting new emails

[Davide]

https://bugs.kde.org/show_bug.cgi?id=289987

           Summary: Kmail freezes when deleting new emails
           Product: Akonadi
           Version: 4.8
          Platform: Gentoo Packages
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: NOR
         Component: general
        AssignedTo: kdepim-bugs at kde.org
        ReportedBy: netcelli.tux at gmail.com


Version:           4.8
OS:                Linux

When I delete new emails from kmail it freezes because of akonadi.
kmail processes uses 100% of cpu in top and here is the backtrace:

(gdb) bt
#0  0x00007f91262bf4d7 in qMemEquals(unsigned short const*, unsigned short
const*, int) ()
   from /usr/lib64/qt4/libQtCore.so.4
#1  0x00007f912214cca4 in QHash<QString, QHash<QByteArray, Akonadi::Collection>
>::findNode(QString const&, unsigned int*) const () from
/usr/lib64/libakonadi-kde.so.4
#2  0x00007f9122148e75 in Akonadi::SpecialCollections::collection(QByteArray
const&, Akonadi::AgentInstance const&) const ()
   from /usr/lib64/libakonadi-kde.so.4
#3  0x00007f91221491e2 in
Akonadi::SpecialCollections::defaultCollection(QByteArray const&) const ()
   from /usr/lib64/libakonadi-kde.so.4
#4  0x00007f9121d9ab9e in
Akonadi::SpecialMailCollections::defaultCollection(Akonadi::SpecialMailCollections::Type)
const ()
   from /usr/lib64/libakonadi-kmime.so.4
#5  0x00007f91212da0d9 in MailCommon::Kernel::trashCollectionFolder() () from
/usr/lib64/libmailcommon.so.4
#6  0x00007f9127452380 in KMSystemTray::excludeFolder(Akonadi::Collection
const&) const ()
   from /usr/lib64/libkmailprivate.so.4
#7  0x00007f912745329f in KMSystemTray::unreadMail(QAbstractItemModel const*,
QModelIndex const&) ()
   from /usr/lib64/libkmailprivate.so.4
#8  0x00007f9127453345 in KMSystemTray::unreadMail(QAbstractItemModel const*,
QModelIndex const&) ()
   from /usr/lib64/libkmailprivate.so.4
#9  0x00007f9127453345 in KMSystemTray::unreadMail(QAbstractItemModel const*,
QModelIndex const&) ()
   from /usr/lib64/libkmailprivate.so.4
#10 0x00007f9127453345 in KMSystemTray::unreadMail(QAbstractItemModel const*,
QModelIndex const&) ()
   from /usr/lib64/libkmailprivate.so.4
#11 0x00007f9127453345 in KMSystemTray::unreadMail(QAbstractItemModel const*,
QModelIndex const&) ()
   from /usr/lib64/libkmailprivate.so.4
#12 0x00007f9127453345 in KMSystemTray::unreadMail(QAbstractItemModel const*,
QModelIndex const&) ()
   from /usr/lib64/libkmailprivate.so.4
#13 0x00007f9127453345 in KMSystemTray::unreadMail(QAbstractItemModel const*,
QModelIndex const&) ()
   from /usr/lib64/libkmailprivate.so.4
#14 0x00007f9127453345 in KMSystemTray::unreadMail(QAbstractItemModel const*,
QModelIndex const&) ()
   from /usr/lib64/libkmailprivate.so.4
#15 0x00007f9127453345 in KMSystemTray::unreadMail(QAbstractItemModel const*,
QModelIndex const&) ()
   from /usr/lib64/libkmailprivate.so.4
#16 0x00007f9127453345 in KMSystemTray::unreadMail(QAbstractItemModel const*,
QModelIndex const&) ()
   from /usr/lib64/libkmailprivate.so.4
#17 0x00007f9127453345 in KMSystemTray::unreadMail(QAbstractItemModel const*,
QModelIndex const&) ()
   from /usr/lib64/libkmailprivate.so.4
#18 0x00007f9127453345 in KMSystemTray::unreadMail(QAbstractItemModel const*,
QModelIndex const&) ()
   from /usr/lib64/libkmailprivate.so.4
#19 0x00007f9127453345 in KMSystemTray::unreadMail(QAbstractItemModel const*,
QModelIndex const&) ()
   from /usr/lib64/libkmailprivate.so.4
#20 0x00007f9127453345 in KMSystemTray::unreadMail(QAbstractItemModel const*,
QModelIndex const&) ()
   from /usr/lib64/libkmailprivate.so.4
#21 0x00007f9127453345 in KMSystemTray::unreadMail(QAbstractItemModel const*,
QModelIndex const&) ()
   from /usr/lib64/libkmailprivate.so.4
#22 0x00007f9127453345 in KMSystemTray::unreadMail(QAbstractItemModel const*,
QModelIndex const&) ()
   from /usr/lib64/libkmailprivate.so.4
#23 0x00007f9127453345 in KMSystemTray::unreadMail(QAbstractItemModel const*,
QModelIndex const&) ()
   from /usr/lib64/libkmailprivate.so.4
#24 0x00007f9127453345 in KMSystemTray::unreadMail(QAbstractItemModel const*,
QModelIndex const&) ()
   from /usr/lib64/libkmailprivate.so.4
#25 0x00007f9127453345 in KMSystemTray::unreadMail(QAbstractItemModel const*,
QModelIndex const&) ()
   from /usr/lib64/libkmailprivate.so.4
#26 0x00007f9127453345 in KMSystemTray::unreadMail(QAbstractItemModel const*,
QModelIndex const&) ()
   from /usr/lib64/libkmailprivate.so.4
#27 0x00007f9127453345 in KMSystemTray::unreadMail(QAbstractItemModel const*,
QModelIndex const&) ()
   from /usr/lib64/libkmailprivate.so.4
#28 0x00007f9127453345 in KMSystemTray::unreadMail(QAbstractItemModel const*,
QModelIndex const&) ()
   from /usr/lib64/libkmailprivate.so.4
#29 0x00007f9127453345 in KMSystemTray::unreadMail(QAbstractItemModel const*,
QModelIndex const&) ()
   from /usr/lib64/libkmailprivate.so.4
#30 0x00007f9127453345 in KMSystemTray::unreadMail(QAbstractItemModel const*,
QModelIndex const&) ()
   from /usr/lib64/libkmailprivate.so.4
#31 0x00007f9127453345 in KMSystemTray::unreadMail(QAbstractItemModel const*,
QModelIndex const&) ()
   from /usr/lib64/libkmailprivate.so.4
#32 0x00007f9127453345 in KMSystemTray::unreadMail(QAbstractItemModel const*,
QModelIndex const&) ()
   from /usr/lib64/libkmailprivate.so.4
#33 0x00007f9127453345 in KMSystemTray::unreadMail(QAbstractItemModel const*,
QModelIndex const&) ()

 from /usr/lib64/libkmailQuit
(gdb) info threads 
  Id   Target Id         Frame 
  5    Thread 0x7f910c573700 (LWP 3546) "kmail" 0x00007f91238a443c in
pthread_cond_wait () from /lib64/libpthread.so.0
  4    Thread 0x7f910bc72700 (LWP 3547) "kmail" 0x00007f9125a2e3d3 in poll ()
from /lib64/libc.so.6
  3    Thread 0x7f90c91a0700 (LWP 4189) "kmail" 0x00007f91238a47bb in
pthread_cond_timedwait () from /lib64/libpthread.so.0
  2    Thread 0x7f90ca183700 (LWP 4193) "kmail" 0x00007f91238a47bb in
pthread_cond_timedwait () from /lib64/libpthread.so.0
* 1    Thread 0x7f91286d5760 (LWP 3390) "kmail" 0x00007f91262bf4d7 in
qMemEquals(unsigned short const*, unsigned short const*, int) () from
/usr/lib64/qt4/libQtCore.so.4


Reproducible: Sometimes

Steps to Reproduce:
1. Click on an unread message
2. Delete it


Expected Results:  
kmail should mark the email as read and then delete it.

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