Bug#985197: Debug with ...SizeMax=3G
coredumpctl gdb 1873
PID: 1873 (kwin_wayland)
UID: 1000 (myname)
GID: 1000 (myname)
Signal: 11 (SEGV)
Timestamp: Sat 2021-04-24 16:50:03 CEST (8min ago)
Command Line: /usr/bin/kwin_wayland --xwayland --exit-with-session=/usr/lib/
x86_64-linux-gnu/libexec/startplasma-waylandsession
Executable: /usr/bin/kwin_wayland
Control Group: /user.slice/user-1000.slice/session-3.scope
Unit: session-3.scope
Slice: user-1000.slice
Session: 3
Owner UID: 1000 (myname)
Boot ID: 3f5e361f45064a439039edb95549bbdf
Machine ID: f72ae64cabdcedd770963755524c666b
Hostname: systemname
Storage: /var/lib/systemd/coredump/core.kwin_wayland.
1000.3f5e361f45064a439039edb95549bbdf.1873.1619275803000000.zst
Message: Process 1873 (kwin_wayland) of user 1000 dumped core.
Stack trace of thread 1873:
#0 0x00007f4ffcc4b268
_ZN14KWaylandServer16SurfaceInterface13frameRenderedEj (libKWaylandServer.so.5
+ 0xd2268)
#1 0x00007f4ffd177cf0 n/a (libkwin.so.5 + 0x1aacf0)
#2 0x00007f4ffba09546 n/a (libQt5Core.so.5 + 0x2e4546)
#3 0x00007f4ffd0a1aa5 _ZN4KWin6Cursor8renderedERK5QRect
(libkwin.so.5 + 0xd4aa5)
#4 0x00007f4ffd0ec2c6
_ZN4KWin10Compositor18performCompositingEv (libkwin.so.5 + 0x11f2c6)
#5 0x00007f4ffb9feecf _ZN7QObject5eventEP6QEvent
(libQt5Core.so.5 + 0x2d9ecf)
#6 0x00007f4ffc49615f
_ZN19QApplicationPrivate13notify_helperEP7QObjectP6QEvent (libQt5Widgets.so.5
+ 0x16315f)
#7 0x00007f4ffb9d2f6a
_ZN16QCoreApplication15notifyInternal2EP7QObjectP6QEvent (libQt5Core.so.5 +
0x2adf6a)
#8 0x00007f4ffba29883 _ZN14QTimerInfoList14activateTimersEv
(libQt5Core.so.5 + 0x304883)
#9 0x00007f4ffba27d17
_ZN20QEventDispatcherUNIX13processEventsE6QFlagsIN10QEventLoop17ProcessEventsFlagEE
(libQt5Core.so.5 + 0x302d17)
#10 0x00007f4ff588f06d n/a (KWinQpaPlugin.so + 0x4706d)
#11 0x00007f4ffb9d192b
_ZN10QEventLoop4execE6QFlagsINS_17ProcessEventsFlagEE (libQt5Core.so.5 +
0x2ac92b)
#12 0x00007f4ffb9d9ba0 _ZN16QCoreApplication4execEv
(libQt5Core.so.5 + 0x2b4ba0)
#13 0x0000556ea63913ab n/a (kwin_wayland + 0x153ab)
#14 0x00007f4ffb25fd0a __libc_start_main (libc.so.6 + 0x26d0a)
#15 0x0000556ea6391bea _start (kwin_wayland + 0x15bea)
Stack trace of thread 1874:
#0 0x00007f4ffb32c3ff __poll (libc.so.6 + 0xf33ff)
#1 0x00007f4ff91700ae n/a (libglib-2.0.so.0 + 0x520ae)
#2 0x00007f4ff91701cf g_main_context_iteration
(libglib-2.0.so.0 + 0x521cf)
#3 0x00007f4ffba2a4bf
_ZN20QEventDispatcherGlib13processEventsE6QFlagsIN10QEventLoop17ProcessEventsFlagEE
(libQt5Core.so.5 + 0x3054bf)
#4 0x00007f4ffb9d192b
_ZN10QEventLoop4execE6QFlagsINS_17ProcessEventsFlagEE (libQt5Core.so.5 +
0x2ac92b)
#5 0x00007f4ffb7f0a3e _ZN7QThread4execEv (libQt5Core.so.5 +
0xcba3e)
#6 0x00007f4ffcac0a27 n/a (libQt5DBus.so.5 + 0x18a27)
#7 0x00007f4ffb7f1b81 n/a (libQt5Core.so.5 + 0xccb81)
#8 0x00007f4ffcb5fea7 start_thread (libpthread.so.0 + 0x8ea7)
#9 0x00007f4ffb336def __clone (libc.so.6 + 0xfddef)
Stack trace of thread 1875:
#0 0x00007f4ffb32c3ff __poll (libc.so.6 + 0xf33ff)
#1 0x00007f4ff91700ae n/a (libglib-2.0.so.0 + 0x520ae)
#2 0x00007f4ff91701cf g_main_context_iteration
(libglib-2.0.so.0 + 0x521cf)
#3 0x00007f4ffba2a4bf
_ZN20QEventDispatcherGlib13processEventsE6QFlagsIN10QEventLoop17ProcessEventsFlagEE
(libQt5Core.so.5 + 0x3054bf)
#4 0x00007f4ffb9d192b
_ZN10QEventLoop4execE6QFlagsINS_17ProcessEventsFlagEE (libQt5Core.so.5 +
0x2ac92b)
#5 0x00007f4ffb7f0a3e _ZN7QThread4execEv (libQt5Core.so.5 +
0xcba3e)
#6 0x00007f4ffb7f1b81 n/a (libQt5Core.so.5 + 0xccb81)
#7 0x00007f4ffcb5fea7 start_thread (libpthread.so.0 + 0x8ea7)
#8 0x00007f4ffb336def __clone (libc.so.6 + 0xfddef)
Stack trace of thread 1876:
#0 0x00007f4ffb32c3ff __poll (libc.so.6 + 0xf33ff)
#1 0x00007f4ff91700ae n/a (libglib-2.0.so.0 + 0x520ae)
#2 0x00007f4ff91701cf g_main_context_iteration
(libglib-2.0.so.0 + 0x521cf)
#3 0x00007f4ffba2a4bf
_ZN20QEventDispatcherGlib13processEventsE6QFlagsIN10QEventLoop17ProcessEventsFlagEE
(libQt5Core.so.5 + 0x3054bf)
#4 0x00007f4ffb9d192b
_ZN10QEventLoop4execE6QFlagsINS_17ProcessEventsFlagEE (libQt5Core.so.5 +
0x2ac92b)
#5 0x00007f4ffb7f0a3e _ZN7QThread4execEv (libQt5Core.so.5 +
0xcba3e)
#6 0x00007f4ffb7f1b81 n/a (libQt5Core.so.5 + 0xccb81)
#7 0x00007f4ffcb5fea7 start_thread (libpthread.so.0 + 0x8ea7)
#8 0x00007f4ffb336def __clone (libc.so.6 + 0xfddef)
Stack trace of thread 1879:
#0 0x00007f4ffcb667b2 pthread_cond_wait@@GLIBC_2.3.2
(libpthread.so.0 + 0xf7b2)
#1 0x00007f4fed9163bb n/a (iris_dri.so + 0x4e63bb)
#2 0x00007f4fed915e87 n/a (iris_dri.so + 0x4e5e87)
#3 0x00007f4ffcb5fea7 start_thread (libpthread.so.0 + 0x8ea7)
#4 0x00007f4ffb336def __clone (libc.so.6 + 0xfddef)
Stack trace of thread 1878:
#0 0x00007f4ffcb667b2 pthread_cond_wait@@GLIBC_2.3.2
(libpthread.so.0 + 0xf7b2)
#1 0x00007f4fed9163bb n/a (iris_dri.so + 0x4e63bb)
#2 0x00007f4fed915e87 n/a (iris_dri.so + 0x4e5e87)
#3 0x00007f4ffcb5fea7 start_thread (libpthread.so.0 + 0x8ea7)
#4 0x00007f4ffb336def __clone (libc.so.6 + 0xfddef)
Stack trace of thread 1880:
#0 0x00007f4ffcb667b2 pthread_cond_wait@@GLIBC_2.3.2
(libpthread.so.0 + 0xf7b2)
#1 0x00007f4fed9163bb n/a (iris_dri.so + 0x4e63bb)
#2 0x00007f4fed915e87 n/a (iris_dri.so + 0x4e5e87)
#3 0x00007f4ffcb5fea7 start_thread (libpthread.so.0 + 0x8ea7)
#4 0x00007f4ffb336def __clone (libc.so.6 + 0xfddef)
Stack trace of thread 1885:
#0 0x00007f4ffcb667b2 pthread_cond_wait@@GLIBC_2.3.2
(libpthread.so.0 + 0xf7b2)
#1 0x00007f4ffb0278fc n/a (libQt5Script.so.5 + 0x1708fc)
#2 0x00007f4ffb027929 n/a (libQt5Script.so.5 + 0x170929)
#3 0x00007f4ffcb5fea7 start_thread (libpthread.so.0 + 0x8ea7)
#4 0x00007f4ffb336def __clone (libc.so.6 + 0xfddef)
Stack trace of thread 1877:
#0 0x00007f4ffcb667b2 pthread_cond_wait@@GLIBC_2.3.2
(libpthread.so.0 + 0xf7b2)
#1 0x00007f4fed9163bb n/a (iris_dri.so + 0x4e63bb)
#2 0x00007f4fed915e87 n/a (iris_dri.so + 0x4e5e87)
#3 0x00007f4ffcb5fea7 start_thread (libpthread.so.0 + 0x8ea7)
#4 0x00007f4ffb336def __clone (libc.so.6 + 0xfddef)
Stack trace of thread 1882:
#0 0x00007f4ffb32c3ff __poll (libc.so.6 + 0xf33ff)
#1 0x00007f4ff91700ae n/a (libglib-2.0.so.0 + 0x520ae)
#2 0x00007f4ff91701cf g_main_context_iteration
(libglib-2.0.so.0 + 0x521cf)
#3 0x00007f4ffba2a4bf
_ZN20QEventDispatcherGlib13processEventsE6QFlagsIN10QEventLoop17ProcessEventsFlagEE
(libQt5Core.so.5 + 0x3054bf)
#4 0x00007f4ffb9d192b
_ZN10QEventLoop4execE6QFlagsINS_17ProcessEventsFlagEE (libQt5Core.so.5 +
0x2ac92b)
#5 0x00007f4ffb7f0a3e _ZN7QThread4execEv (libQt5Core.so.5 +
0xcba3e)
#6 0x00007f4ffa38ef85 n/a (libQt5Qml.so.5 + 0x307f85)
#7 0x00007f4ffb7f1b81 n/a (libQt5Core.so.5 + 0xccb81)
#8 0x00007f4ffcb5fea7 start_thread (libpthread.so.0 + 0x8ea7)
#9 0x00007f4ffb336def __clone (libc.so.6 + 0xfddef)
GNU gdb (Debian 10.1-1.7) 10.1.90.20210103-git
Copyright (C) 2021 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.
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<https://www.gnu.org/software/gdb/bugs/>.
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Reading symbols from /usr/bin/kwin_wayland...
(No debugging symbols found in /usr/bin/kwin_wayland)
warning: Can't open file anon_inode:i915.gem which was expanded to
anon_inode:i915.gem during file-backed mapping note processing
warning: Can't open file /memfd:wayland-shm (deleted) during file-backed mapping
note processing
warning: Can't open file anon_inode:i915.gem which was expanded to
anon_inode:i915.gem during file-backed mapping note processing
warning: Can't open file anon_inode:i915.gem which was expanded to
anon_inode:i915.gem during file-backed mapping note processing
warning: Can't open file anon_inode:i915.gem which was expanded to
anon_inode:i915.gem during file-backed mapping note processing
warning: Can't open file anon_inode:i915.gem which was expanded to
anon_inode:i915.gem during file-backed mapping note processing
warning: Can't open file anon_inode:i915.gem which was expanded to
anon_inode:i915.gem during file-backed mapping note processing
warning: Can't open file anon_inode:i915.gem which was expanded to
anon_inode:i915.gem during file-backed mapping note processing
warning: Can't open file anon_inode:i915.gem which was expanded to
anon_inode:i915.gem during file-backed mapping note processing
warning: Can't open file anon_inode:i915.gem which was expanded to
anon_inode:i915.gem during file-backed mapping note processing
warning: Can't open file anon_inode:i915.gem which was expanded to
anon_inode:i915.gem during file-backed mapping note processing
warning: Can't open file /memfd:wayland-cursor (deleted) during file-backed
mapping note processing
warning: Can't open file anon_inode:i915.gem which was expanded to
anon_inode:i915.gem during file-backed mapping note processing
warning: Can't open file anon_inode:i915.gem which was expanded to
anon_inode:i915.gem during file-backed mapping note processing
warning: Can't open file anon_inode:i915.gem which was expanded to
anon_inode:i915.gem during file-backed mapping note processing
warning: Can't open file anon_inode:i915.gem which was expanded to
anon_inode:i915.gem during file-backed mapping note processing
warning: Can't open file anon_inode:i915.gem which was expanded to
anon_inode:i915.gem during file-backed mapping note processing
warning: Can't open file anon_inode:i915.gem which was expanded to
anon_inode:i915.gem during file-backed mapping note processing
warning: Can't open file anon_inode:i915.gem which was expanded to
anon_inode:i915.gem during file-backed mapping note processing
warning: Can't open file anon_inode:i915.gem which was expanded to
anon_inode:i915.gem during file-backed mapping note processing
warning: Can't open file anon_inode:i915.gem which was expanded to
anon_inode:i915.gem during file-backed mapping note processing
warning: Can't open file anon_inode:i915.gem which was expanded to
anon_inode:i915.gem during file-backed mapping note processing
warning: Can't open file anon_inode:i915.gem which was expanded to
anon_inode:i915.gem during file-backed mapping note processing
warning: Can't open file anon_inode:i915.gem which was expanded to
anon_inode:i915.gem during file-backed mapping note processing
warning: Can't open file anon_inode:i915.gem which was expanded to
anon_inode:i915.gem during file-backed mapping note processing
warning: Can't open file anon_inode:i915.gem which was expanded to
anon_inode:i915.gem during file-backed mapping note processing
warning: Can't open file anon_inode:i915.gem which was expanded to
anon_inode:i915.gem during file-backed mapping note processing
warning: Can't open file /tmp/#300 (deleted) during file-backed mapping note
processing
warning: Can't open file anon_inode:i915.gem which was expanded to
anon_inode:i915.gem during file-backed mapping note processing
warning: Can't open file anon_inode:i915.gem which was expanded to
anon_inode:i915.gem during file-backed mapping note processing
warning: Can't open file anon_inode:i915.gem which was expanded to
anon_inode:i915.gem during file-backed mapping note processing
warning: Can't open file /tmp/#194 (deleted) during file-backed mapping note
processing
warning: Can't open file anon_inode:i915.gem which was expanded to
anon_inode:i915.gem during file-backed mapping note processing
warning: Can't open file anon_inode:i915.gem which was expanded to
anon_inode:i915.gem during file-backed mapping note processing
warning: Can't open file anon_inode:i915.gem which was expanded to
anon_inode:i915.gem during file-backed mapping note processing
warning: Can't open file anon_inode:i915.gem which was expanded to
anon_inode:i915.gem during file-backed mapping note processing
warning: Can't open file anon_inode:i915.gem which was expanded to
anon_inode:i915.gem during file-backed mapping note processing
warning: Can't open file anon_inode:i915.gem which was expanded to
anon_inode:i915.gem during file-backed mapping note processing
warning: Can't open file anon_inode:i915.gem which was expanded to
anon_inode:i915.gem during file-backed mapping note processing
warning: Can't open file anon_inode:i915.gem which was expanded to
anon_inode:i915.gem during file-backed mapping note processing
warning: Can't open file /run/user/1000/xwayland-shared-LZbtzA (deleted) during
file-backed mapping note processing
warning: Can't open file /run/user/1000/xwayland-shared-anHUnA (deleted) during
file-backed mapping note processing
warning: Can't open file anon_inode:i915.gem which was expanded to
anon_inode:i915.gem during file-backed mapping note processing
warning: Can't open file anon_inode:i915.gem which was expanded to
anon_inode:i915.gem during file-backed mapping note processing
warning: Can't open file anon_inode:i915.gem which was expanded to
anon_inode:i915.gem during file-backed mapping note processing
warning: Can't open file anon_inode:i915.gem which was expanded to
anon_inode:i915.gem during file-backed mapping note processing
warning: Can't open file anon_inode:i915.gem which was expanded to
anon_inode:i915.gem during file-backed mapping note processing
warning: Can't open file anon_inode:i915.gem which was expanded to
anon_inode:i915.gem during file-backed mapping note processing
warning: Can't open file /memfd:JSGCHeap:QtQml (deleted) during file-backed
mapping note processing
warning: Can't open file /memfd:JSVMStack:QtQml (deleted) during file-backed
mapping note processing
warning: Can't open file /tmp/#112 (deleted) during file-backed mapping note
processing
warning: Can't open file /memfd:unknown-usage:QtQml (deleted) during file-backed
mapping note processing
warning: Can't open file anon_inode:i915.gem which was expanded to
anon_inode:i915.gem during file-backed mapping note processing
warning: Can't open file anon_inode:i915.gem which was expanded to
anon_inode:i915.gem during file-backed mapping note processing
warning: Can't open file anon_inode:i915.gem which was expanded to
anon_inode:i915.gem during file-backed mapping note processing
warning: Can't open file anon_inode:i915.gem which was expanded to
anon_inode:i915.gem during file-backed mapping note processing
warning: Can't open file anon_inode:i915.gem which was expanded to
anon_inode:i915.gem during file-backed mapping note processing
warning: Can't open file anon_inode:i915.gem which was expanded to
anon_inode:i915.gem during file-backed mapping note processing
warning: Can't open file anon_inode:i915.gem which was expanded to
anon_inode:i915.gem during file-backed mapping note processing
warning: Can't open file anon_inode:i915.gem which was expanded to
anon_inode:i915.gem during file-backed mapping note processing
warning: Can't open file anon_inode:i915.gem which was expanded to
anon_inode:i915.gem during file-backed mapping note processing
warning: Can't open file anon_inode:i915.gem which was expanded to
anon_inode:i915.gem during file-backed mapping note processing
warning: Can't open file anon_inode:i915.gem which was expanded to
anon_inode:i915.gem during file-backed mapping note processing
warning: Can't open file anon_inode:i915.gem which was expanded to
anon_inode:i915.gem during file-backed mapping note processing
warning: Can't open file anon_inode:i915.gem which was expanded to
anon_inode:i915.gem during file-backed mapping note processing
warning: Can't open file anon_inode:i915.gem which was expanded to
anon_inode:i915.gem during file-backed mapping note processing
warning: Can't open file anon_inode:i915.gem which was expanded to
anon_inode:i915.gem during file-backed mapping note processing
warning: Can't open file anon_inode:i915.gem which was expanded to
anon_inode:i915.gem during file-backed mapping note processing
warning: Can't open file anon_inode:i915.gem which was expanded to
anon_inode:i915.gem during file-backed mapping note processing
warning: Can't open file anon_inode:i915.gem which was expanded to
anon_inode:i915.gem during file-backed mapping note processing
warning: Can't open file anon_inode:i915.gem which was expanded to
anon_inode:i915.gem during file-backed mapping note processing
warning: Can't open file anon_inode:i915.gem which was expanded to
anon_inode:i915.gem during file-backed mapping note processing
warning: Can't open file anon_inode:i915.gem which was expanded to
anon_inode:i915.gem during file-backed mapping note processing
warning: Can't open file anon_inode:i915.gem which was expanded to
anon_inode:i915.gem during file-backed mapping note processing
warning: Can't open file anon_inode:i915.gem which was expanded to
anon_inode:i915.gem during file-backed mapping note processing
warning: Can't open file anon_inode:i915.gem which was expanded to
anon_inode:i915.gem during file-backed mapping note processing
warning: Can't open file anon_inode:i915.gem which was expanded to
anon_inode:i915.gem during file-backed mapping note processing
warning: Can't open file anon_inode:i915.gem which was expanded to
anon_inode:i915.gem during file-backed mapping note processing
warning: Can't open file anon_inode:i915.gem which was expanded to
anon_inode:i915.gem during file-backed mapping note processing
warning: Can't open file anon_inode:i915.gem which was expanded to
anon_inode:i915.gem during file-backed mapping note processing
warning: Can't open file anon_inode:i915.gem which was expanded to
anon_inode:i915.gem during file-backed mapping note processing
warning: Can't open file anon_inode:i915.gem which was expanded to
anon_inode:i915.gem during file-backed mapping note processing
[New LWP 1873]
[New LWP 1874]
[New LWP 1875]
[New LWP 1876]
[New LWP 1879]
[New LWP 1878]
[New LWP 1880]
[New LWP 1885]
[New LWP 1877]
[New LWP 1882]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
Core was generated by `/usr/bin/kwin_wayland --xwayland --exit-with-session=/
usr/lib/x86_64-linux-gnu/'.
Program terminated with signal SIGSEGV, Segmentation fault.
#0 0x00007f4ffcc4b268 in
KWaylandServer::SurfaceInterface::frameRendered(unsigned int) ()
from /usr/lib/x86_64-linux-gnu/libKWaylandServer.so.5
[Current thread is 1 (Thread 0x7f4ff5b918c0 (LWP 1873))]
(gdb) set pagination off
(gdb) bt
#0 0x00007f4ffcc4b268 in
KWaylandServer::SurfaceInterface::frameRendered(unsigned int) () at /usr/lib/
x86_64-linux-gnu/libKWaylandServer.so.5
#1 0x00007f4ffd177cf0 in () at /usr/lib/x86_64-linux-gnu/libkwin.so.5
#2 0x00007f4ffba09546 in () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#3 0x00007f4ffd0a1aa5 in KWin::Cursor::rendered(QRect const&) () at /usr/lib/
x86_64-linux-gnu/libkwin.so.5
#4 0x00007f4ffd0ec2c6 in KWin::Compositor::performCompositing() () at /usr/
lib/x86_64-linux-gnu/libkwin.so.5
#5 0x00007f4ffb9feecf in QObject::event(QEvent*) () at /usr/lib/x86_64-linux-
gnu/libQt5Core.so.5
#6 0x00007f4ffc49615f in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#7 0x00007f4ffb9d2f6a in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8 0x00007f4ffba29883 in QTimerInfoList::activateTimers() () at /usr/lib/
x86_64-linux-gnu/libQt5Core.so.5
#9 0x00007f4ffba27d17 in
QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#10 0x00007f4ff588f06d in () at /usr/lib/x86_64-linux-gnu/qt5/plugins/
platforms/KWinQpaPlugin.so
#11 0x00007f4ffb9d192b in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-
linux-gnu/libQt5Core.so.5
#12 0x00007f4ffb9d9ba0 in QCoreApplication::exec() () at /usr/lib/x86_64-linux-
gnu/libQt5Core.so.5
#13 0x0000556ea63913ab in ()
#14 0x00007f4ffb25fd0a in __libc_start_main () at /lib/x86_64-linux-gnu/
libc.so.6
#15 0x0000556ea6391bea in _start ()
(gdb)
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