https://bugs.kde.org/show_bug.cgi?id=494703
Bug ID: 494703
Summary: Plasma consumes a lot of memory and crashes when
moving tens of thousands of images
Classification: Applications
Product: dolphin
Version: 22.12.3
Platform: Debian stable
OS: Linux
Status: REPORTED
Keywords: drkonqi
Severity: crash
Priority: NOR
Component: general
Assignee: dolphin-bugs-n...@kde.org
Reporter: vit.musie...@gmail.com
CC: kfm-de...@kde.org
Target Milestone: ---
Application: dolphin (22.12.3)
Qt Version: 5.15.8
Frameworks Version: 5.103.0
Operating System: Linux 6.10.6-061006-generic x86_64
Windowing System: Wayland
Distribution: Debian GNU/Linux 12 (bookworm)
DrKonqi: 5.27.5 [KCrashBackend]
-- Information about the crash:
I have a moderately sized photo library. I am trying to organize it. Once I
start moving files from one folder to another, Dolphin hangs and then the whole
plasma goes gray / crashes / restarts. Memory consumption then grows to
abnormal amounts. See my reddit post for more details.
https://www.reddit.com/r/kde/comments/1g305qv/wtf_plasmashell_memory_consumption_bonkers/
Restart with session restore turned off fixes memory leak, but plasma still
crashes when I move a big number of files which happen to be images.
heaptrack showed most allocations are of QImageData / QArrayData: 12GB and
9716781 allocations.
The crash can be reproduced every time.
-- Backtrace:
Application: Dolphin (dolphin), signal: Segmentation fault
[KCrash Handler]
#4 0x00007b72dfa0ad5e in KJobWidgets::window(KJob*) () from
/lib/x86_64-linux-gnu/libKF5JobWidgets.so.5
#5 0x00007b72dfb3c48a in
KIO::WidgetsAskUserActionHandler::askUserRename(KJob*, QString const&, QUrl
const&, QUrl const&, QFlags<KIO::RenameDialog_Option>, unsigned long long,
unsigned long long, QDateTime const&, QDateTime const&, QDateTime const&,
QDateTime const&) () from /lib/x86_64-linux-gnu/libKF5KIOWidgets.so.5
#6 0x00007b72df856d6d in ?? () from /lib/x86_64-linux-gnu/libKF5KIOCore.so.5
#7 0x00007b72ddae8f8f in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#8 0x00007b72df011775 in KJob::result(KJob*, KJob::QPrivateSignal) () from
/lib/x86_64-linux-gnu/libKF5CoreAddons.so.5
#9 0x00007b72df012c5b in KJob::finishJob(bool) () from
/lib/x86_64-linux-gnu/libKF5CoreAddons.so.5
#10 0x00007b72ddae8f8f in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#11 0x00007b72df882516 in KIO::SlaveInterface::error(int, QString const&) ()
from /lib/x86_64-linux-gnu/libKF5KIOCore.so.5
#12 0x00007b72df884767 in KIO::SlaveInterface::dispatch(int, QByteArray const&)
() from /lib/x86_64-linux-gnu/libKF5KIOCore.so.5
#13 0x00007b72df882d56 in KIO::SlaveInterface::dispatch() () from
/lib/x86_64-linux-gnu/libKF5KIOCore.so.5
#14 0x00007b72df887ac9 in KIO::Slave::gotInput() () from
/lib/x86_64-linux-gnu/libKF5KIOCore.so.5
#15 0x00007b72ddae8f8f in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#16 0x00007b72ddadd730 in QObject::event(QEvent*) () from
/lib/x86_64-linux-gnu/libQt5Core.so.5
#17 0x00007b72de762fae in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#18 0x00007b72ddab1738 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() from /lib/x86_64-linux-gnu/libQt5Core.so.5
#19 0x00007b72ddab46c1 in QCoreApplicationPrivate::sendPostedEvents(QObject*,
int, QThreadData*) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#20 0x00007b72ddb0a193 in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#21 0x00007b72db71e7a9 in g_main_context_dispatch () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#22 0x00007b72db71ea38 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#23 0x00007b72db71eacc in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#24 0x00007b72ddb09876 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /lib/x86_64-linux-gnu/libQt5Core.so.5
#25 0x00007b72ddab01bb in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/lib/x86_64-linux-gnu/libQt5Core.so.5
#26 0x00007b72ddab8316 in QCoreApplication::exec() () from
/lib/x86_64-linux-gnu/libQt5Core.so.5
#27 0x00005b0d00bd5142 in ?? ()
#28 0x00007b72dd64624a in __libc_start_call_main
(main=main@entry=0x5b0d00bd3ed0, argc=argc@entry=1,
argv=argv@entry=0x7ffe0e9bf308) at ../sysdeps/nptl/libc_start_call_main.h:58
#29 0x00007b72dd646305 in __libc_start_main_impl (main=0x5b0d00bd3ed0, argc=1,
argv=0x7ffe0e9bf308, init=<optimized out>, fini=<optimized out>,
rtld_fini=<optimized out>, stack_end=0x7ffe0e9bf2f8) at ../csu/libc-start.c:360
#30 0x00005b0d00bd5591 in ?? ()
[Inferior 1 (process 2574) detached]
Reported using DrKonqi
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