https://bugs.kde.org/show_bug.cgi?id=415302
Bug ID: 415302
Summary: Cantor crashing (qalculate backend)
Product: cantor
Version: 19.12.0
Platform: unspecified
OS: Linux
Status: REPORTED
Keywords: drkonqi
Severity: crash
Priority: NOR
Component: general
Assignee: cantor-b...@kde.org
Reporter: alessio.ad...@gmail.com
Target Milestone: ---
Application: cantor (19.12.0)
Qt Version: 5.13.2
Frameworks Version: 5.65.0
Operating System: Linux 5.0.0-37-generic x86_64
Distribution: KDE neon User Edition 5.17
-- Information about the crash:
I'm using KDE Neon up-to-date on a Slimbook. At the beginning I was able to
select the backend, but after confirmation the application was crashing. Then I
installed other backends (Maxima, Octave) but the application started to crash
immediately after launch,
The crash can be reproduced every time.
-- Backtrace:
Application: Cantor (cantor), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f9eeae10840 (LWP 1781))]
Thread 5 (Thread 0x7f9eb3096700 (LWP 1785)):
#0 0x00007f9ee6c920b4 in __GI___libc_read (fd=19, buf=0x7f9eb3095b50,
nbytes=16) at ../sysdeps/unix/sysv/linux/read.c:27
#1 0x00007f9ee0f9f2d0 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2 0x00007f9ee0f5a0b7 in g_main_context_check () from
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3 0x00007f9ee0f5a570 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4 0x00007f9ee0f5a6dc in g_main_context_iteration () from
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5 0x00007f9ee7801b9b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6 0x00007f9ee77a206a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7 0x00007f9ee75bd3aa in QThread::exec() () from
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8 0x00007f9ee75beb52 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9 0x00007f9ee2e276db in start_thread (arg=0x7f9eb3096700) at
pthread_create.c:463
#10 0x00007f9ee6ca388f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95
Thread 4 (Thread 0x7f9ebe2c6700 (LWP 1784)):
#0 0x00007f9ee2e2d9f3 in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x560ba8edfc08) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1 __pthread_cond_wait_common (abstime=0x0, mutex=0x560ba8edfbb8,
cond=0x560ba8edfbe0) at pthread_cond_wait.c:502
#2 __pthread_cond_wait (cond=0x560ba8edfbe0, mutex=0x560ba8edfbb8) at
pthread_cond_wait.c:655
#3 0x00007f9ebf5992cb in ?? () from /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#4 0x00007f9ebf598ff7 in ?? () from /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#5 0x00007f9ee2e276db in start_thread (arg=0x7f9ebe2c6700) at
pthread_create.c:463
#6 0x00007f9ee6ca388f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95
Thread 3 (Thread 0x7f9ec75a3700 (LWP 1783)):
#0 0x00007f9ee6c96bf9 in __GI___poll (fds=0x7f9ec001b5a0, nfds=1, timeout=-1)
at ../sysdeps/unix/sysv/linux/poll.c:29
#1 0x00007f9ee0f5a5c9 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2 0x00007f9ee0f5a6dc in g_main_context_iteration () from
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3 0x00007f9ee7801b9b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4 0x00007f9ee77a206a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5 0x00007f9ee75bd3aa in QThread::exec() () from
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6 0x00007f9ee3e010e5 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#7 0x00007f9ee75beb52 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8 0x00007f9ee2e276db in start_thread (arg=0x7f9ec75a3700) at
pthread_create.c:463
#9 0x00007f9ee6ca388f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95
Thread 2 (Thread 0x7f9ecf74d700 (LWP 1782)):
#0 0x00007f9ee6c96bf9 in __GI___poll (fds=0x7f9ecf74cc68, nfds=1, timeout=-1)
at ../sysdeps/unix/sysv/linux/poll.c:29
#1 0x00007f9ede05a747 in ?? () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2 0x00007f9ede05c36a in xcb_wait_for_event () from
/usr/lib/x86_64-linux-gnu/libxcb.so.1
#3 0x00007f9ed20bbe10 in ?? () from
/usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#4 0x00007f9ee75beb52 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5 0x00007f9ee2e276db in start_thread (arg=0x7f9ecf74d700) at
pthread_create.c:463
#6 0x00007f9ee6ca388f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95
Thread 1 (Thread 0x7f9eeae10840 (LWP 1781)):
[KCrash Handler]
#6 __memmove_avx_unaligned_erms () at
../sysdeps/x86_64/multiarch/memmove-vec-unaligned-erms.S:299
#7 0x00007f9ee0b3b501 in memcpy (__len=8, __src=<optimized out>,
__dest=<optimized out>) at
/usr/include/x86_64-linux-gnu/bits/string_fortified.h:34
#8 StitchingFunction::StitchingFunction (this=0x560ba919b850,
func=0x560ba919b470) at ./poppler/Function.cc:770
#9 0x00007f9ee0b414b1 in StitchingFunction::copy (this=0x560ba919b470) at
./poppler/Function.h:200
#10 0x00007f9eb4ebf5e7 in MathFunction::setArgumentDefinition
(this=this@entry=0x560ba919b470, index=<optimized out>, index@entry=1,
argdef=argdef@entry=0x560ba919b600) at Function.cc:434
#11 0x00007f9eb4ff7f62 in IdentityFunction::IdentityFunction
(this=0x560ba919b470) at BuiltinFunctions.cc:257
#12 0x00007f9eb4edd2ee in Calculator::addBuiltinFunctions
(this=this@entry=0x560ba9191e80) at Calculator.cc:1345
#13 0x00007f9eb4ee2a68 in Calculator::Calculator (this=0x560ba9191e80) at
Calculator.cc:491
#14 0x00007f9eb52b1035 in QalculateSession::QalculateSession
(this=0x560ba91912a0, backend=<optimized out>) at
./src/backends/qalculate/qalculatesession.cpp:54
#15 0x00007f9eb52a76c1 in QalculateBackend::createSession (this=0x560ba8faec00)
at ./src/backends/qalculate/qalculatebackend.cpp:54
#16 0x00007f9eb45410fd in Worksheet::initSession (this=0x560ba8f53cf0,
backend=<optimized out>) at ./src/worksheet.cpp:1284
#17 0x00007f9eb45429c2 in Worksheet::Worksheet (this=0x560ba8f53cf0,
backend=0x560ba8faec00, parent=<optimized out>,
useDeafultWorksheetParameters=<optimized out>) at ./src/worksheet.cpp:102
#18 0x00007f9eb4535524 in CantorPart::CantorPart
(this=this@entry=0x560ba918e040,
parentWidget=parentWidget@entry=0x560ba8f6dec0,
parent=parent@entry=0x560ba8f6dec0, args=..., __in_chrg=<optimized out>,
__vtt_parm=<optimized out>) at ./src/cantor_part.cpp:140
#19 0x00007f9eb453a0c1 in KPluginFactory::createPartInstance<CantorPart>
(parentWidget=0x560ba8f6dec0, parent=0x560ba8f6dec0, args=...) at
/usr/include/KF5/KCoreAddons/kpluginfactory.h:538
#20 0x00007f9ee8f45ae6 in KPluginFactory::create
(this=this@entry=0x560ba918b9c0, iface=0x7f9eea5d88e0 "KParts::ReadWritePart",
parentWidget=parentWidget@entry=0x560ba8f6dec0,
parent=parent@entry=0x560ba8f6dec0, args=..., keyword=...) at
./src/lib/plugin/kpluginfactory.cpp:145
#21 0x0000560ba70781ca in KPluginFactory::create<KParts::ReadWritePart>
(args=..., parent=0x560ba8f6dec0, this=0x560ba918b9c0) at
/usr/include/KF5/KCoreAddons/kpluginfactory.h:550
#22 CantorShell::addWorksheet (this=this@entry=0x560ba8e928f0, backendName=...)
at ./src/cantor.cpp:342
#23 0x0000560ba7079b7d in CantorShell::addWorksheet (this=0x560ba8e928f0) at
./src/cantor.cpp:272
#24 0x0000560ba707334c in main (argc=<optimized out>, argv=<optimized out>) at
./src/main.cpp:131
Possible duplicates by query: bug 414541, bug 410586, bug 389244, bug 387802,
bug 374466.
Reported using DrKonqi
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