Система: x86_64
Примерно за пол часа он съедает 500Мб
Возможно это связано с десятком открытых вкладок.

Если эти вкладки начать закрывать то он ещё и падает:
-------------------- Core dump backtrace ---------------------
Application: Akregator (akregator), signal: Segmentation fault
82	T_PSEUDO (SYSCALL_SYMBOL, SYSCALL_NAME, SYSCALL_NARGS)
[Current thread is 1 (Thread 0x7f4cdf251780 (LWP 6728))]

Thread 8 (Thread 0x7f4cc25b2700 (LWP 6746)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f4cc6653ce4 in ?? () from /usr/lib64/libQtWebKit.so.4
#2  0x00007f4cd7b869aa in start_thread (arg=0x7f4cc25b2700) at pthread_create.c:297
#3  0x00007f4cdc0d446d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#4  0x0000000000000000 in ?? ()

Thread 7 (Thread 0x7f4cc1cb1700 (LWP 6747)):
#0  0x00007f4cdc0cb973 in __poll (fds=<value optimized out>, nfds=<value optimized out>, timeout=<value optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007f4cd764aad3 in g_main_context_poll (context=0xa176e0, block=1, dispatch=1, self=<value optimized out>) at gmain.c:3386
#2  g_main_context_iterate (context=0xa176e0, block=1, dispatch=1, self=<value optimized out>) at gmain.c:3068
#3  0x00007f4cd764afa1 in g_main_context_iteration (context=0xa176e0, may_block=1) at gmain.c:3136
#4  0x00007f4cdcc53986 in QEventDispatcherGlib::processEvents (this=0xa09960, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:424
#5  0x00007f4cdcc2bf92 in QEventLoop::processEvents (this=<value optimized out>, flags=...) at kernel/qeventloop.cpp:149
#6  0x00007f4cdcc2c1ed in QEventLoop::exec (this=0x7f4cc1cb0d90, flags=...) at kernel/qeventloop.cpp:197
#7  0x00007f4cdcb55ed4 in QThread::exec (this=<value optimized out>) at thread/qthread.cpp:498
#8  0x00007f4cdcb58070 in QThreadPrivate::start (arg=0xa0a920) at thread/qthread_unix.cpp:331
#9  0x00007f4cd7b869aa in start_thread (arg=0x7f4cc1cb1700) at pthread_create.c:297
#10 0x00007f4cdc0d446d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 6 (Thread 0x7f4cafb08700 (LWP 6883)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f4cbb271f5c in ?? () from /usr/lib64/browser-plugins/libflashplayer.so
#2  0x00007f4cbb390a50 in ?? () from /usr/lib64/browser-plugins/libflashplayer.so
#3  0x00007f4cbb2721bc in ?? () from /usr/lib64/browser-plugins/libflashplayer.so
#4  0x00007f4cbb27260e in ?? () from /usr/lib64/browser-plugins/libflashplayer.so
#5  0x00007f4cd7b869aa in start_thread (arg=0x7f4cafb08700) at pthread_create.c:297
#6  0x00007f4cdc0d446d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#7  0x0000000000000000 in ?? ()

Thread 5 (Thread 0x7f4caf307700 (LWP 6884)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f4cbb271f5c in ?? () from /usr/lib64/browser-plugins/libflashplayer.so
#2  0x00007f4cbb390a50 in ?? () from /usr/lib64/browser-plugins/libflashplayer.so
#3  0x00007f4cbb2721bc in ?? () from /usr/lib64/browser-plugins/libflashplayer.so
#4  0x00007f4cbb27260e in ?? () from /usr/lib64/browser-plugins/libflashplayer.so
#5  0x00007f4cd7b869aa in start_thread (arg=0x7f4caf307700) at pthread_create.c:297
#6  0x00007f4cdc0d446d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#7  0x0000000000000000 in ?? ()

Thread 4 (Thread 0x7f4ca3578700 (LWP 6942)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:211
#1  0x00007f4cbb271f31 in ?? () from /usr/lib64/browser-plugins/libflashplayer.so
#2  0x00007f4cbb2935dd in ?? () from /usr/lib64/browser-plugins/libflashplayer.so
#3  0x00007f4cbb2721bc in ?? () from /usr/lib64/browser-plugins/libflashplayer.so
#4  0x00007f4cbb27260e in ?? () from /usr/lib64/browser-plugins/libflashplayer.so
#5  0x00007f4cd7b869aa in start_thread (arg=0x7f4ca3578700) at pthread_create.c:297
#6  0x00007f4cdc0d446d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#7  0x0000000000000000 in ?? ()

Thread 3 (Thread 0x7f4ca1576700 (LWP 6944)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:211
#1  0x00007f4cbb271f31 in ?? () from /usr/lib64/browser-plugins/libflashplayer.so
#2  0x00007f4cbb2935dd in ?? () from /usr/lib64/browser-plugins/libflashplayer.so
#3  0x00007f4cbb2721bc in ?? () from /usr/lib64/browser-plugins/libflashplayer.so
#4  0x00007f4cbb27260e in ?? () from /usr/lib64/browser-plugins/libflashplayer.so
#5  0x00007f4cd7b869aa in start_thread (arg=0x7f4ca1576700) at pthread_create.c:297
#6  0x00007f4cdc0d446d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#7  0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7f4ca0d75700 (LWP 6945)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:211
#1  0x00007f4cbb271f31 in ?? () from /usr/lib64/browser-plugins/libflashplayer.so
#2  0x00007f4cbb2935dd in ?? () from /usr/lib64/browser-plugins/libflashplayer.so
#3  0x00007f4cbb2721bc in ?? () from /usr/lib64/browser-plugins/libflashplayer.so
#4  0x00007f4cbb27260e in ?? () from /usr/lib64/browser-plugins/libflashplayer.so
#5  0x00007f4cd7b869aa in start_thread (arg=0x7f4ca0d75700) at pthread_create.c:297
#6  0x00007f4cdc0d446d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#7  0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f4cdf251780 (LWP 6728)):
[KCrash Handler]
#6  0x0000000000000000 in ?? ()
#7  0x00007f4cdee6e4ac in KParts::StatusBarExtension::statusBar() const () from /usr/lib64/libkparts.so.4
#8  0x00007f4cdee6e842 in KParts::StatusBarExtension::~StatusBarExtension() () from /usr/lib64/libkparts.so.4
#9  0x00007f4cdee6e8d5 in KParts::StatusBarExtension::~StatusBarExtension() () from /usr/lib64/libkparts.so.4
#10 0x00007f4cdcc3daac in QObjectPrivate::deleteChildren (this=0xe2e390) at kernel/qobject.cpp:1963
#11 0x00007f4cdcc41f25 in QObject::~QObject (this=0xe2ef10, __in_chrg=<value optimized out>) at kernel/qobject.cpp:946
#12 0x00007f4cdee5c6ce in KParts::Part::~Part() () from /usr/lib64/libkparts.so.4
#13 0x00007f4cc25cf758 in ?? () from /usr/lib64/kde4/kwebkitpart.so
#14 0x00007f4cc25cf779 in ?? () from /usr/lib64/kde4/kwebkitpart.so
#15 0x00007f4cde76e4b8 in Akregator::BrowserFrame::Private::~Private() () from /usr/lib64/libakregatorprivate.so.4
#16 0x00007f4cde76e56d in Akregator::BrowserFrame::Private::~Private() () from /usr/lib64/libakregatorprivate.so.4
#17 0x00007f4cde76c055 in Akregator::BrowserFrame::~BrowserFrame() () from /usr/lib64/libakregatorprivate.so.4
#18 0x00007f4cde76c0a7 in Akregator::BrowserFrame::~BrowserFrame() () from /usr/lib64/libakregatorprivate.so.4
#19 0x00007f4cde76a430 in Akregator::FrameManager::slotRemoveFrame(int) () from /usr/lib64/libakregatorprivate.so.4
#20 0x00007f4cde76acea in Akregator::FrameManager::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib64/libakregatorprivate.so.4
#21 0x00007f4cdcc3f5dd in QMetaObject::activate (sender=0x827de0, m=<value optimized out>, local_signal_index=<value optimized out>, argv=0x7fff9bcf0380) at kernel/qobject.cpp:3283
#22 0x00007f4cc87ef846 in ?? () from /usr/lib64/kde4/akregatorpart.so
#23 0x00007f4cc87f0c13 in ?? () from /usr/lib64/kde4/akregatorpart.so
#24 0x00007f4cdcc3f5dd in QMetaObject::activate (sender=0x829400, m=<value optimized out>, local_signal_index=<value optimized out>, argv=0x7fff9bcf04b0) at kernel/qobject.cpp:3283
#25 0x00007f4cddb43402 in QAbstractButton::clicked (this=<value optimized out>, _t1=false) at .moc/release-shared/moc_qabstractbutton.cpp:206
#26 0x00007f4cdd8c28ab in QAbstractButtonPrivate::emitClicked (this=<value optimized out>) at widgets/qabstractbutton.cpp:546
#27 0x00007f4cdd8c3d0b in QAbstractButtonPrivate::click (this=0x82ad90) at widgets/qabstractbutton.cpp:539
#28 0x00007f4cdd8c3f5c in QAbstractButton::mouseReleaseEvent (this=0x829400, e=0x7fff9bcf0e40) at widgets/qabstractbutton.cpp:1121
#29 0x00007f4cdd9703ea in QToolButton::mouseReleaseEvent (this=<value optimized out>, e=<value optimized out>) at widgets/qtoolbutton.cpp:721
#30 0x00007f4cdd599666 in QWidget::event (this=0x829400, event=0x7fff9bcf0e40) at kernel/qwidget.cpp:8295
#31 0x00007f4cdd54eb4c in QApplicationPrivate::notify_helper (this=0x6463c0, receiver=0x829400, e=0x7fff9bcf0e40) at kernel/qapplication.cpp:4481
#32 0x00007f4cdd5531b5 in QApplication::notify (this=<value optimized out>, receiver=0x829400, e=0x7fff9bcf0e40) at kernel/qapplication.cpp:4042
#33 0x00007f4cde1308ea in KApplication::notify(QObject*, QEvent*) () from /usr/lib64/libkdeui.so.5
#34 0x00007f4cdcc2cbbc in QCoreApplication::notifyInternal (this=0x7fff9bcf1b10, receiver=0x829400, event=0x7fff9bcf0e40) at kernel/qcoreapplication.cpp:787
#35 0x00007f4cdd54fb56 in sendSpontaneousEvent (receiver=0x829400, event=0x7fff9bcf0e40, alienWidget=0x829400, nativeWidget=0x64e2c0, buttonDown=0x7f4cddf35100, lastMouseReceiver=..., spontaneous=true) at ../../src/corelib/kernel/qcoreapplication.h:218
#36 QApplicationPrivate::sendMouseEvent (receiver=0x829400, event=0x7fff9bcf0e40, alienWidget=0x829400, nativeWidget=0x64e2c0, buttonDown=0x7f4cddf35100, lastMouseReceiver=..., spontaneous=true) at kernel/qapplication.cpp:3139
#37 0x00007f4cdd5c0e78 in QETWidget::translateMouseEvent (this=0x64e2c0, event=<value optimized out>) at kernel/qapplication_x11.cpp:4465
#38 0x00007f4cdd5bf760 in QApplication::x11ProcessEvent (this=0x7fff9bcf1b10, event=0x7fff9bcf17a0) at kernel/qapplication_x11.cpp:3587
#39 0x00007f4cdd5e5112 in x11EventSourceDispatch (s=0x648d20, callback=0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146
#40 0x00007f4cd764a58b in g_main_dispatch (context=0x648200) at gmain.c:2425
#41 g_main_context_dispatch (context=0x648200) at gmain.c:2995
#42 0x00007f4cd764adc8 in g_main_context_iterate (context=0x648200, block=1, dispatch=1, self=<value optimized out>) at gmain.c:3073
#43 0x00007f4cd764afa1 in g_main_context_iteration (context=0x648200, may_block=1) at gmain.c:3136
#44 0x00007f4cdcc5392f in QEventDispatcherGlib::processEvents (this=0x617670, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:422
#45 0x00007f4cdd5e4ece in QGuiEventDispatcherGlib::processEvents (this=<value optimized out>, flags=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:204
#46 0x00007f4cdcc2bf92 in QEventLoop::processEvents (this=<value optimized out>, flags=...) at kernel/qeventloop.cpp:149
#47 0x00007f4cdcc2c1ed in QEventLoop::exec (this=0x7fff9bcf1ab0, flags=...) at kernel/qeventloop.cpp:197
#48 0x00007f4cdcc2f77b in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1064
#49 0x0000000000408c00 in _start ()