[Bug 41514] KMail freezes the UI when checking for new mail

[cgarcia at eso.org]

http://bugs.kde.org/show_bug.cgi?id=41514


cgarcia eso org changed:

           What    |Removed                     |Added
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                 CC|                            |cgarcia at eso.org




--- Comment #174 from cgarcia eso org  2009-02-06 12:57:33 ---
I have the same problem, the UI freezes (I am using version 1.10.4 KDE 4.1.4
Fedora 10). It happens scrolling the body of a message or writing a new
message.
 I am not sure if it happens when it is checking for new mail, but it seems so.
 Here are a couple of stacks taken with pstack when the UI s frozen. The
freezes lasts for 5s approx.

 pstack output 1:
------------------
Thread 2 (Thread 0x7ffdb6d9a950 (LWP 7083)):
#0  0x00000032208deaa2 in select () from /lib64/libc.so.6
#1  0x0000003c20122626 in ?? () from /usr/lib64/libQtCore.so.4
#2  0x0000003c20059852 in ?? () from /usr/lib64/libQtCore.so.4
#3  0x00000032214073da in start_thread () from /lib64/libpthread.so.0
#4  0x00000032208e62bd in clone () from /lib64/libc.so.6
Thread 1 (Thread 0x7ffdc790d800 (LWP 1519)):
#0  0x00000032208d7c67 in fchmod () from /lib64/libc.so.6
#1  0x0000003c2011e579 in QFSFileEngine::setPermissions ()
#2  0x0000003c200d3724 in QFile::setPermissions ()
#3  0x0000003ac9ed6699 in KSaveFile::open () from /usr/lib64/libkdecore.so.5
#4  0x0000003f9c7c2aa8 in ?? () from /usr/lib64/libkmailprivate.so.4
#5  0x0000003f9c7ced2d in ?? () from /usr/lib64/libkmailprivate.so.4
#6  0x0000003c20156764 in QMetaObject::activate ()
#7  0x0000003f9c7a8d5f in ?? () from /usr/lib64/libkmailprivate.so.4
#8  0x0000003f9c7aa970 in ?? () from /usr/lib64/libkmailprivate.so.4
#9  0x0000003f9c7ced74 in ?? () from /usr/lib64/libkmailprivate.so.4
#10 0x0000003c20156764 in QMetaObject::activate ()
#11 0x0000003f9ca07f2f in ?? () from /usr/lib64/libkmailprivate.so.4
#12 0x0000003f9ca08105 in ?? () from /usr/lib64/libkmailprivate.so.4
#13 0x0000003f9ca08287 in ?? () from /usr/lib64/libkmailprivate.so.4
#14 0x0000003f9ca082c9 in ?? () from /usr/lib64/libkmailprivate.so.4
#15 0x0000003f9ca0840d in ?? () from /usr/lib64/libkmailprivate.so.4
#16 0x0000003c20156764 in QMetaObject::activate ()
#17 0x0000003c2015c9cf in ?? () from /usr/lib64/libQtCore.so.4
#18 0x0000003c20151073 in QObject::event () from /usr/lib64/libQtCore.so.4
#19 0x0000003c219828dd in QApplicationPrivate::notify_helper ()
#20 0x0000003c2198a68a in QApplication::notify () from /usr/lib64/libQtGui.so.4
#21 0x0000003aca5fb60b in KApplication::notify () from /usr/lib64/libkdeui.so.5
#22 0x0000003c20142391 in QCoreApplication::notifyInternal ()
#23 0x0000003c2016e0d6 in ?? () from /usr/lib64/libQtCore.so.4
#24 0x0000003c2016a83d in ?? () from /usr/lib64/libQtCore.so.4
#25 0x000000322203779b in ?? ()
#26 0x00007fffcf961a20 in ?? ()
#27 0x00007fffcf961a28 in ?? ()
#28 0x00007fffcf961a10 in ?? ()
#29 0x000000000089cd80 in ?? ()
#30 0x0000003c2016a830 in ?? () from /usr/lib64/libQtCore.so.4
#31 0x0000000000000000 in ?? ()


pstack output 2:
-------------------
Thread 2 (Thread 0x7ffdb6d9a950 (LWP 7083)):
#0  0x00000032208deaa2 in select () from /lib64/libc.so.6
#1  0x0000003c20122626 in ?? () from /usr/lib64/libQtCore.so.4
#2  0x0000003c20059852 in ?? () from /usr/lib64/libQtCore.so.4
#3  0x00000032214073da in start_thread () from /lib64/libpthread.so.0
#4  0x00000032208e62bd in clone () from /lib64/libc.so.6
Thread 1 (Thread 0x7ffdc790d800 (LWP 1519)):
#0  0x000000322140e8db in open64 () from /lib64/libpthread.so.0
#1  0x0000003c200ecf22 in ?? () from /usr/lib64/libQtCore.so.4
#2  0x0000003c200d480a in QFile::open () from /usr/lib64/libQtCore.so.4
#3  0x0000003c200ed45a in QTemporaryFile::open ()
#4  0x0000003ac9ed64b2 in KSaveFile::open () from /usr/lib64/libkdecore.so.5
#5  0x0000003f9c7c2aa8 in ?? () from /usr/lib64/libkmailprivate.so.4
#6  0x0000003f9c7ced2d in ?? () from /usr/lib64/libkmailprivate.so.4
#7  0x0000003c20156764 in QMetaObject::activate ()
#8  0x0000003f9c7a8d5f in ?? () from /usr/lib64/libkmailprivate.so.4
#9  0x0000003f9c7aa970 in ?? () from /usr/lib64/libkmailprivate.so.4
#10 0x0000003f9c7ced74 in ?? () from /usr/lib64/libkmailprivate.so.4
#11 0x0000003c20156764 in QMetaObject::activate ()
#12 0x0000003f9ca07f2f in ?? () from /usr/lib64/libkmailprivate.so.4
#13 0x0000003f9ca08105 in ?? () from /usr/lib64/libkmailprivate.so.4
#14 0x0000003f9ca08287 in ?? () from /usr/lib64/libkmailprivate.so.4
#15 0x0000003f9ca082c9 in ?? () from /usr/lib64/libkmailprivate.so.4
#16 0x0000003f9ca0840d in ?? () from /usr/lib64/libkmailprivate.so.4
#17 0x0000003c20156764 in QMetaObject::activate ()
#18 0x0000003c2015c9cf in ?? () from /usr/lib64/libQtCore.so.4
#19 0x0000003c20151073 in QObject::event () from /usr/lib64/libQtCore.so.4
#20 0x0000003c219828dd in QApplicationPrivate::notify_helper ()
#21 0x0000003c2198a68a in QApplication::notify () from /usr/lib64/libQtGui.so.4
#22 0x0000003aca5fb60b in KApplication::notify () from /usr/lib64/libkdeui.so.5
#23 0x0000003c20142391 in QCoreApplication::notifyInternal ()
#24 0x0000003c2016e0d6 in ?? () from /usr/lib64/libQtCore.so.4
#25 0x0000003c2016a83d in ?? () from /usr/lib64/libQtCore.so.4
#26 0x000000322203779b in ?? ()
#27 0x00007fffcf961a20 in ?? ()
#28 0x00007fffcf961a28 in ?? ()
#29 0x00007fffcf961a10 in ?? ()
#30 0x000000000089cd80 in ?? ()
#31 0x0000003c2016a830 in ?? () from /usr/lib64/libQtCore.so.4
#32 0x0000000000000000 in ?? ()


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