https://bugs.kde.org/show_bug.cgi?id=512971
Bug ID: 512971
Summary: kded6 crash after login when plugging in external
screen
Classification: Frameworks and Libraries
Product: frameworks-kded
Version First 6.20.0
Reported In:
Platform: Arch Linux
OS: Linux
Status: REPORTED
Keywords: drkonqi
Severity: crash
Priority: NOR
Component: general
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected]
Target Milestone: ---
Application: kded6 (6.20.0)
ApplicationNotResponding [ANR]: false
Qt Version: 6.10.1
Frameworks Version: 6.20.0
Operating System: Linux 6.17.9-zen1-1-zen x86_64
Windowing System: Wayland
Distribution: Arch Linux
DrKonqi: 6.5.3 [CoredumpBackend]
-- Information about the crash:
After login, when I connect my external displays, I immediately get a "kded6"
crash dialog.
The system recovers immediately, so I would not consider this critical.
Not sure if it can help, but after connecting the external screens I usually
close the lid so the internal screen is disabled.
It seems to happen almost systematically the first time I do that operation
after boot and very rarely during the day when switching between internal
screen and external screens.
Having the laptop in sleeping mode before the switch seems to increase the
probability of the crash, but I'm not sure.
If I get a crash dump after a sleep, I'll try to send it too.
The crash can be reproduced sometimes.
-- Backtrace (Reduced):
#5 QArrayDataPointer<char16_t>::QArrayDataPointer (this=0x7ffc67af6750,
other=...) at /usr/include/qt6/QtCore/qarraydatapointer.h:37
#6 QString::QString (this=0x7ffc67af6750, other=...) at
/usr/include/qt6/QtCore/qstring.h:1355
#7 Output::uuid (this=0x0) at
/usr/src/debug/plasma-workspace/plasma-workspace-6.5.3/devicenotifications/devicenotifications.h:92
#8 operator() (__closure=0x5619657e6cd0) at
/usr/src/debug/plasma-workspace/plasma-workspace-6.5.3/devicenotifications/devicenotifications.cpp:317
#9 operator() (__closure=<optimized out>) at
/usr/include/qt6/QtCore/qobjectdefs_impl.h:116
#13
QtPrivate::QCallableObject<KdedDeviceNotifications::setupWaylandOutputListener()::<lambda(void*,
wl_registry*, uint32_t, char const*, uint32_t)>::<lambda()>, QtPrivate::List<>,
void>::impl(int, QtPrivate::QSlotObjectBase *, QObject *, void **, bool *)
(which=1, this_=0x5619657e6cc0, r=<optimized out>, a=<optimized out>, ret=0x0)
at /usr/include/qt6/QtCore/qobjectdefs_impl.h:547
#14 0x00007f6fb5bd734f in QtPrivate::QSlotObjectBase::call
(this=0x5619657e6cc0, r=0x5619654d52a0, a=0x7ffc67af6848, this=<optimized out>,
r=<optimized out>, a=<optimized out>) at
/usr/src/debug/qt6-base/qtbase/src/corelib/kernel/qobjectdefs_impl.h:461
#15 doActivate<false> (sender=<optimized out>, signal_index=<optimized out>,
argv=<optimized out>) at
/usr/src/debug/qt6-base/qtbase/src/corelib/kernel/qobject.cpp:4257
#16 0x00007f6f9c060b70 in QtWayland::kde_output_device_v2::handle_uuid
(data=0x5619656c3350, object=<optimized out>, uuid=0x7f6fa000907c
"c927b3ed-f423-4f01-8409-ff3972f6b7ba") at
/usr/src/debug/plasma-workspace/build/devicenotifications/qwayland-kde-output-device-v2.cpp:194
#17 0x00007f6fb7597ac6 in ffi_call_unix64 () at ../src/x86/unix64.S:104
#18 0x00007f6fb759476b in ffi_call_int (cif=cif@entry=0x7ffc67af6aa0,
fn=fn@entry=0x7f6f9c060b10 <QtWayland::kde_output_device_v2::handle_uuid(void*,
kde_output_device_v2*, char const*)>, rvalue=<optimized out>, rvalue@entry=0x0,
avalue=avalue@entry=0x7ffc67af6b70, closure=closure@entry=0x0) at
../src/x86/ffi64.c:676
#19 0x00007f6fb759706e in ffi_call (cif=cif@entry=0x7ffc67af6aa0,
fn=0x7f6f9c060b10 <QtWayland::kde_output_device_v2::handle_uuid(void*,
kde_output_device_v2*, char const*)>, rvalue=rvalue@entry=0x0,
avalue=avalue@entry=0x7ffc67af6b70) at ../src/x86/ffi64.c:713
#20 0x00007f6fb75aa48d in wl_closure_invoke
(closure=closure@entry=0x7f6fa0008fa0, target=<optimized out>,
target@entry=0x7f6fac03f2b0, opcode=opcode@entry=7, data=<optimized out>,
flags=1) at ../wayland-1.24.0/src/connection.c:1241
#21 0x00007f6fb75ab2e9 in dispatch_event (display=display@entry=0x561964ff4400,
queue=queue@entry=0x561964ff44f8) at
../wayland-1.24.0/src/wayland-client.c:1707
#22 0x00007f6fb75ab6f3 in dispatch_queue (display=0x561964ff4400,
queue=0x561964ff44f8) at ../wayland-1.24.0/src/wayland-client.c:1853
#23 wl_display_dispatch_queue_pending (display=0x561964ff4400,
queue=0x561964ff44f8) at ../wayland-1.24.0/src/wayland-client.c:2190
Reported using DrKonqi
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