Discussion:
[Bug 401031] New: kdeinit5 (kdeinit5), signal: Segmentation fault
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Elmas
2018-11-14 12:51:58 UTC
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https://bugs.kde.org/show_bug.cgi?id=401031

Bug ID: 401031
Summary: kdeinit5 (kdeinit5), signal: Segmentation fault
Product: kde
Version: unspecified
Platform: Archlinux Packages
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: general
Assignee: unassigned-***@kde.org
Reporter: ***@outlook.com
Target Milestone: ---

Application: kdeinit5 (kdeinit5), signal: Segmentation fault
Using host libthread_db library "/usr/lib/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f842a467640 (LWP 5409))]

Thread 2 (Thread 0x7f84264f9700 (LWP 5410)):
#0 0x00007f842e8687a4 in read () from /usr/lib/libc.so.6
#1 0x00007f842cc7b781 in ?? () from /usr/lib/libglib-2.0.so.0
#2 0x00007f842cccba50 in g_main_context_check () from
/usr/lib/libglib-2.0.so.0
#3 0x00007f842cccce86 in ?? () from /usr/lib/libglib-2.0.so.0
#4 0x00007f842ccccfce in g_main_context_iteration () from
/usr/lib/libglib-2.0.so.0
#5 0x00007f842ec04fe4 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /usr/lib/libQt5Core.so.5
#6 0x00007f842ebb08cc in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib/libQt5Core.so.5
#7 0x00007f842e9f9eb9 in QThread::exec() () from /usr/lib/libQt5Core.so.5
#8 0x00007f8429a21ba6 in ?? () from /usr/lib/libQt5DBus.so.5
#9 0x00007f842ea03f65 in ?? () from /usr/lib/libQt5Core.so.5
#10 0x00007f842d8bda9d in start_thread () from /usr/lib/libpthread.so.0
#11 0x00007f842e877b23 in clone () from /usr/lib/libc.so.6

Thread 1 (Thread 0x7f842a467640 (LWP 5409)):
[KCrash Handler]
#6 0x00007f842f477ac3 in XAddExtension () from /usr/lib/libX11.so.6
#7 0x00007f842402312f in ?? () from /usr/lib/libXft.so.2
#8 0x00007f8424027bbf in ?? () from /usr/lib/libXft.so.2
#9 0x00007f842402848d in XftFontOpenPattern () from /usr/lib/libXft.so.2
#10 0x00007f8424237cd1 in KFI::CFcEngine::getFont(int) () from
/usr/lib/libkfontinstui.so.5
#11 0x00007f84242382d3 in KFI::CFcEngine::queryFont() () from
/usr/lib/libkfontinstui.so.5
#12 0x00007f8424238ab9 in KFI::CFcEngine::getSizes() () from
/usr/lib/libkfontinstui.so.5
#13 0x00007f842423a2bc in KFI::CFcEngine::draw(QString const&, unsigned int,
int, QColor const&, QColor const&, int, int, bool,
QList<KFI::CFcEngine::TRange> const&, QList<KFI::CFcEngine::TChar>*) () from
/usr/lib/libkfontinstui.so.5
#14 0x00007f84252a737b in ?? () from /usr/lib/qt/plugins/fontthumbnail.so
#15 0x00007f842f6272e0 in ?? () from /usr/lib/qt/plugins/kf5/kio/thumbnail.so
#16 0x00007f842f6278e9 in ?? () from /usr/lib/qt/plugins/kf5/kio/thumbnail.so
#17 0x00007f842f627fee in ?? () from /usr/lib/qt/plugins/kf5/kio/thumbnail.so
#18 0x00007f842f629579 in ?? () from /usr/lib/qt/plugins/kf5/kio/thumbnail.so
#19 0x00007f842a07011f in KIO::SlaveBase::dispatch(int, QByteArray const&) ()
from /usr/lib/libKF5KIOCore.so.5
#20 0x00007f842a06b23e in KIO::SlaveBase::dispatchLoop() () from
/usr/lib/libKF5KIOCore.so.5
#21 0x00007f842f626493 in kdemain () from
/usr/lib/qt/plugins/kf5/kio/thumbnail.so
#22 0x00005621eb491458 in ?? ()
#23 0x00005621eb492552 in ?? ()
#24 0x00005621eb492efd in ?? ()
#25 0x00005621eb48db7a in ?? ()
#26 0x00007f842e7a0223 in __libc_start_main () from /usr/lib/libc.so.6
#27 0x00005621eb48e84e in _start ()
[Inferior 1 (process 5409) detached]
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Nate Graham
2018-11-15 22:34:39 UTC
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Nate Graham <***@kde.org> changed:

What |Removed |Added
----------------------------------------------------------------------------
CC| |***@kde.org
Resolution|--- |WAITINGFORINFO
Status|REPORTED |NEEDSINFO

--- Comment #1 from Nate Graham <***@kde.org> ---
What were you doing when this happened? What crashed? Plasma, or an app?
Something font-related?
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Christoph Feck
2018-11-16 16:34:10 UTC
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https://bugs.kde.org/show_bug.cgi?id=401031

Christoph Feck <***@kde.org> changed:

What |Removed |Added
----------------------------------------------------------------------------
Status|NEEDSINFO |REPORTED
Resolution|WAITINGFORINFO |---
Product|kde |systemsettings
Component|general |kcm_fontinst

--- Comment #2 from Christoph Feck <***@kde.org> ---
It's the font thumbnailer crashing, because it only works on X11. Should get
disabled or ported to Wayland.
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Patrick Silva
2018-12-04 19:18:35 UTC
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https://bugs.kde.org/show_bug.cgi?id=401031

Patrick Silva <***@gmx.com> changed:

What |Removed |Added
----------------------------------------------------------------------------
CC| |***@gmx.com
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b***@kde.org
2018-12-07 07:11:36 UTC
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https://bugs.kde.org/show_bug.cgi?id=401031

***@gmail.com changed:

What |Removed |Added
----------------------------------------------------------------------------
CC| |***@gmail.com

--- Comment #3 from ***@gmail.com ---
Happens to me too (Debian / Wayland).

I can trigger it reliably by just opening a new Dolphin window or tab into ~,
or when pressing F5 in this directory. Other directories don't seem to do it.
It definitely does seem to coincide with thumbnail previews appearing.

I do not have the "Font Files" previewer enabled in Dolphin settings (if that
helps).

Stack trace is always the same:

Application: kdeinit5 (kdeinit5), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7fe27e76c780 (LWP 15215))]

Thread 2 (Thread 0x7fe27920c700 (LWP 15216)):
#0 0x00007fe282566739 in __GI___poll (fds=0x7fe274003ce0, nfds=1, timeout=-1)
at ../sysdeps/unix/sysv/linux/poll.c:29
#1 0x00007fe280a3ee46 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2 0x00007fe280a3ef6c in g_main_context_iteration () from
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3 0x00007fe2828f2d2b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4 0x00007fe28289fd0b in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5 0x00007fe2826ef0c6 in QThread::exec() () from
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6 0x00007fe27de76545 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#7 0x00007fe2826f8c97 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8 0x00007fe2815cdf2a in start_thread (arg=0x7fe27920c700) at
pthread_create.c:463
#9 0x00007fe282570edf in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7fe27e76c780 (LWP 15215)):
[KCrash Handler]
#6 0x00007fe283160a53 in XAddExtension () from
/usr/lib/x86_64-linux-gnu/libX11.so.6
#7 0x00007fe271fd685b in ?? () from /usr/lib/x86_64-linux-gnu/libXft.so.2
#8 0x00007fe271fdb34e in ?? () from /usr/lib/x86_64-linux-gnu/libXft.so.2
#9 0x00007fe271fdbc0b in XftFontOpenPattern () from
/usr/lib/x86_64-linux-gnu/libXft.so.2
#10 0x00007fe2731a952d in KFI::CFcEngine::getFont(int) () from
/usr/lib/x86_64-linux-gnu/libkfontinstui.so.5
#11 0x00007fe2731a9b22 in KFI::CFcEngine::queryFont() () from
/usr/lib/x86_64-linux-gnu/libkfontinstui.so.5
#12 0x00007fe2731aa2d8 in KFI::CFcEngine::getSizes() () from
/usr/lib/x86_64-linux-gnu/libkfontinstui.so.5
#13 0x00007fe2731aba69 in KFI::CFcEngine::draw(QString const&, unsigned int,
int, QColor const&, QColor const&, int, int, bool,
QList<KFI::CFcEngine::TRange> const&, QList<KFI::CFcEngine::TChar>*) () from
/usr/lib/x86_64-linux-gnu/libkfontinstui.so.5
#14 0x00007fe2731b46df in ?? () from
/usr/lib/x86_64-linux-gnu/qt5/plugins/fontthumbnail.so
#15 0x00007fe28330de80 in ?? () from
/usr/lib/x86_64-linux-gnu/qt5/plugins/kf5/kio/thumbnail.so
#16 0x00007fe28330e458 in ?? () from
/usr/lib/x86_64-linux-gnu/qt5/plugins/kf5/kio/thumbnail.so
#17 0x00007fe28330eb30 in ?? () from
/usr/lib/x86_64-linux-gnu/qt5/plugins/kf5/kio/thumbnail.so
#18 0x00007fe283310041 in ?? () from
/usr/lib/x86_64-linux-gnu/qt5/plugins/kf5/kio/thumbnail.so
#19 0x00007fe27e4c4df6 in KIO::SlaveBase::dispatch(int, QByteArray const&) ()
from /usr/lib/x86_64-linux-gnu/libKF5KIOCore.so.5
#20 0x00007fe27e4c0196 in KIO::SlaveBase::dispatchLoop() () from
/usr/lib/x86_64-linux-gnu/libKF5KIOCore.so.5
#21 0x00007fe28330d08d in kdemain () from
/usr/lib/x86_64-linux-gnu/qt5/plugins/kf5/kio/thumbnail.so
#22 0x000056252b7cee1c in ?? ()
#23 0x000056252b7cfeea in ?? ()
#24 0x000056252b7d08fb in ?? ()
#25 0x000056252b7cb645 in ?? ()
#26 0x00007fe28249bb17 in __libc_start_main (main=0x56252b7cac70, argc=5,
argv=0x7fffee5c2c18, init=<optimized out>, fini=<optimized out>,
rtld_fini=<optimized out>, stack_end=0x7fffee5c2c08) at ../csu/libc-start.c:310
#27 0x000056252b7cc2ca in _start ()
[Inferior 1 (process 15215) detached]
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