[kmail2] [Bug 380903] New: KMail crashes when selecting an email

John John
Tue Jun 6 18:51:33 BST 2017


https://bugs.kde.org/show_bug.cgi?id=380903

            Bug ID: 380903
           Summary: KMail crashes when selecting an email
           Product: kmail2
           Version: 5.4.3
          Platform: Fedora RPMs
                OS: Linux
            Status: UNCONFIRMED
          Keywords: drkonqi
          Severity: crash
          Priority: NOR
         Component: general
          Assignee: kdepim-bugs at kde.org
          Reporter: johnmh at openblox.org
  Target Milestone: ---

Application: kmail (5.4.3)

Qt Version: 5.7.1
Frameworks Version: 5.34.0
Operating System: Linux 4.11.3-200.fc25.x86_64 x86_64
Distribution: "Fedora release 25 (Twenty Five)"

-- Information about the crash:
- What I was doing when the application crashed:
Selecting an email in my Inbox, however it seems the crash can also occur when
changing folders, changing accounts or when writing a message.

The crash can be reproduced sometimes.

-- Backtrace:
Application: KMail (kmail), signal: Aborted
Using host libthread_db library "/lib64/libthread_db.so.1".
84      T_PSEUDO (SYSCALL_SYMBOL, SYSCALL_NAME, SYSCALL_NARGS)
[Current thread is 1 (Thread 0x7f9204aeb940 (LWP 22382))]

Thread 25 (Thread 0x7f90e187c700 (LWP 22447)):
#0  0x00007f9225d8e460 in pthread_cond_wait@@GLIBC_2.3.2 () at
../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f921fb53e89 in
base::SequencedWorkerPool::Inner::ThreadLoop(base::SequencedWorkerPool::Worker*)
() at /lib64/libQt5WebEngineCore.so.5
#2  0x00007f921fb544d9 in base::SequencedWorkerPool::Worker::Run() () at
/lib64/libQt5WebEngineCore.so.5
#3  0x00007f921fb54690 in base::SimpleThread::ThreadMain() () at
/lib64/libQt5WebEngineCore.so.5
#4  0x00007f921fb513d2 in base::(anonymous namespace)::ThreadFunc(void*) () at
/lib64/libQt5WebEngineCore.so.5
#5  0x00007f9225d886ca in start_thread (arg=0x7f90e187c700) at
pthread_create.c:333
#6  0x00007f9229797f7f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 24 (Thread 0x7f916ccbc700 (LWP 22441)):
#0  0x00007f9225d8e460 in pthread_cond_wait@@GLIBC_2.3.2 () at
../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f920cc552f4 in QTWTF::TCMalloc_PageHeap::scavengerThread()
(this=0x7f920cd41380 <QTWTF::pageheap_memory>) at
/usr/src/debug/qtscript-opensource-src-5.7.1/src/3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:2359
#2  0x00007f920cc55339 in QTWTF::TCMalloc_PageHeap::runScavengerThread(void*)
(context=<optimized out>) at
/usr/src/debug/qtscript-opensource-src-5.7.1/src/3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:1464
#3  0x00007f9225d886ca in start_thread (arg=0x7f916ccbc700) at
pthread_create.c:333
#4  0x00007f9229797f7f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 23 (Thread 0x7f916de91700 (LWP 22438)):
#0  0x00007f921522d087 in g_thread_self () at gthread.c:981
#1  0x00007f921520406e in g_main_context_acquire
(context=context at entry=0x7f9164000ad0) at gmain.c:3259
#2  0x00007f9215205015 in g_main_context_iterate
(context=context at entry=0x7f9164000ad0, block=block at entry=1,
dispatch=dispatch at entry=1, self=<optimized out>) at gmain.c:3879
#3  0x00007f921520527c in g_main_context_iteration (context=0x7f9164000ad0,
may_block=1) at gmain.c:3990
#4  0x00007f922a5926eb in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /lib64/libQt5Core.so.5
#5  0x00007f922a54368a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/lib64/libQt5Core.so.5
#6  0x00007f922a3a05e3 in QThread::exec() () at /lib64/libQt5Core.so.5
#7  0x00007f922a3a49ca in QThreadPrivate::start(void*) () at
/lib64/libQt5Core.so.5
#8  0x00007f9225d886ca in start_thread (arg=0x7f916de91700) at
pthread_create.c:333
#9  0x00007f9229797f7f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 22 (Thread 0x7f9196ffd700 (LWP 22424)):
#0  0x00007f9225d8e460 in pthread_cond_wait@@GLIBC_2.3.2 () at
../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f921fb53e89 in
base::SequencedWorkerPool::Inner::ThreadLoop(base::SequencedWorkerPool::Worker*)
() at /lib64/libQt5WebEngineCore.so.5
#2  0x00007f921fb544d9 in base::SequencedWorkerPool::Worker::Run() () at
/lib64/libQt5WebEngineCore.so.5
#3  0x00007f921fb54690 in base::SimpleThread::ThreadMain() () at
/lib64/libQt5WebEngineCore.so.5
#4  0x00007f921fb513d2 in base::(anonymous namespace)::ThreadFunc(void*) () at
/lib64/libQt5WebEngineCore.so.5
#5  0x00007f9225d886ca in start_thread (arg=0x7f9196ffd700) at
pthread_create.c:333
#6  0x00007f9229797f7f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 21 (Thread 0x7f91977fe700 (LWP 22423)):
#0  0x00007f9229787bed in read () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007f9206552101 in read (__nbytes=10, __buf=0x7f91977fdab0, __fd=56) at
/usr/include/bits/unistd.h:44
#2  0x00007f9206552101 in pa_read (fd=56, buf=buf at entry=0x7f91977fdab0,
count=count at entry=10, type=type at entry=0x55b81114e1f8) at
pulsecore/core-util.c:434
#3  0x00007f9208a020be in clear_wakeup (m=<optimized out>) at
pulse/mainloop.c:781
#4  0x00007f9208a020be in pa_mainloop_prepare (m=m at entry=0x55b81114e120,
timeout=-1) at pulse/mainloop.c:789
#5  0x00007f9208a02b30 in pa_mainloop_iterate (m=0x55b81114e120,
block=<optimized out>, retval=0x0) at pulse/mainloop.c:923
#6  0x00007f9208a02bf0 in pa_mainloop_run (m=0x55b81114e120,
retval=retval at entry=0x0) at pulse/mainloop.c:944
#7  0x00007f9208a10bd9 in thread (userdata=0x55b81112e4d0) at
pulse/thread-mainloop.c:100
#8  0x00007f92065811d8 in internal_thread_func (userdata=0x55b81114e260) at
pulsecore/thread-posix.c:81
#9  0x00007f9225d886ca in start_thread (arg=0x7f91977fe700) at
pthread_create.c:333
#10 0x00007f9229797f7f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 20 (Thread 0x7f9197fff700 (LWP 22422)):
#0  0x00007f9225d8e809 in pthread_cond_timedwait@@GLIBC_2.3.2 () at
../sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:225
#1  0x00007f921fb4a422 in base::ConditionVariable::TimedWait(base::TimeDelta
const&) () at /lib64/libQt5WebEngineCore.so.5
#2  0x00007f921fb4acc5 in base::WaitableEvent::TimedWait(base::TimeDelta
const&) () at /lib64/libQt5WebEngineCore.so.5
#3  0x00007f921fb2c631 in
base::MessagePumpDefault::Run(base::MessagePump::Delegate*) () at
/lib64/libQt5WebEngineCore.so.5
#4  0x00007f921fb3ee8a in base::RunLoop::Run() () at
/lib64/libQt5WebEngineCore.so.5
#5  0x00007f921fb549a5 in base::Thread::Run(base::MessageLoop*) () at
/lib64/libQt5WebEngineCore.so.5
#6  0x00007f921fb54c64 in base::Thread::ThreadMain() () at
/lib64/libQt5WebEngineCore.so.5
#7  0x00007f921fb513d2 in base::(anonymous namespace)::ThreadFunc(void*) () at
/lib64/libQt5WebEngineCore.so.5
#8  0x00007f9225d886ca in start_thread (arg=0x7f9197fff700) at
pthread_create.c:333
#9  0x00007f9229797f7f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 19 (Thread 0x7f91b8ff9700 (LWP 22421)):
#0  0x00007f92296dda24 in _IO_vfprintf_internal (s=s at entry=0x7f91b8ff83c0,
format=format at entry=0x7f9210c1f45a "epoll_wait", ap=ap at entry=0x7f91b8ff8980) at
vfprintf.c:1275
#1  0x00007f92297a78a6 in ___vsnprintf_chk (s=0x7f91b8ff8550 "",
maxlen=<optimized out>, flags=1, slen=<optimized out>, format=0x7f9210c1f45a
"epoll_wait", args=0x7f91b8ff8980) at vsnprintf_chk.c:63
#2  0x00007f9210c07be3 in evutil_vsnprintf () at /lib64/libevent-2.0.so.5
#3  0x00007f9210c0677c in _warn_helper () at /lib64/libevent-2.0.so.5
#4  0x00007f9210c06a64 in event_warn () at /lib64/libevent-2.0.so.5
#5  0x00007f9210c0b1e8 in epoll_dispatch () at /lib64/libevent-2.0.so.5
#6  0x00007f9210bf518a in event_base_loop () at /lib64/libevent-2.0.so.5
#7  0x00007f921fb08192 in
base::MessagePumpLibevent::Run(base::MessagePump::Delegate*) () at
/lib64/libQt5WebEngineCore.so.5
#8  0x00007f921fb3ee8a in base::RunLoop::Run() () at
/lib64/libQt5WebEngineCore.so.5
#9  0x00007f921fb549a5 in base::Thread::Run(base::MessageLoop*) () at
/lib64/libQt5WebEngineCore.so.5
#10 0x00007f921fb54c64 in base::Thread::ThreadMain() () at
/lib64/libQt5WebEngineCore.so.5
#11 0x00007f921fb513d2 in base::(anonymous namespace)::ThreadFunc(void*) () at
/lib64/libQt5WebEngineCore.so.5
#12 0x00007f9225d886ca in start_thread (arg=0x7f91b8ff9700) at
pthread_create.c:333
#13 0x00007f9229797f7f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 18 (Thread 0x7f91b97fa700 (LWP 22420)):
#0  0x00007f9225d8e460 in pthread_cond_wait@@GLIBC_2.3.2 () at
../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f921fb4ac35 in base::WaitableEvent::TimedWait(base::TimeDelta
const&) () at /lib64/libQt5WebEngineCore.so.5
#2  0x00007f921fb4ace4 in base::WaitableEvent::Wait() () at
/lib64/libQt5WebEngineCore.so.5
#3  0x00007f921fb2c5f3 in
base::MessagePumpDefault::Run(base::MessagePump::Delegate*) () at
/lib64/libQt5WebEngineCore.so.5
#4  0x00007f921fb3ee8a in base::RunLoop::Run() () at
/lib64/libQt5WebEngineCore.so.5
#5  0x00007f921fb549a5 in base::Thread::Run(base::MessageLoop*) () at
/lib64/libQt5WebEngineCore.so.5
#6  0x00007f921fb54c64 in base::Thread::ThreadMain() () at
/lib64/libQt5WebEngineCore.so.5
#7  0x00007f921fb513d2 in base::(anonymous namespace)::ThreadFunc(void*) () at
/lib64/libQt5WebEngineCore.so.5
#8  0x00007f9225d886ca in start_thread (arg=0x7f91b97fa700) at
pthread_create.c:333
#9  0x00007f9229797f7f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 17 (Thread 0x7f91b9ffb700 (LWP 22419)):
#0  0x00007f9225d8e460 in pthread_cond_wait@@GLIBC_2.3.2 () at
../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f92219ad6cd in cc::SingleThreadTaskGraphRunner::Run() () at
/lib64/libQt5WebEngineCore.so.5
#2  0x00007f921fb5456e in base::DelegateSimpleThread::Run() () at
/lib64/libQt5WebEngineCore.so.5
#3  0x00007f921fb54690 in base::SimpleThread::ThreadMain() () at
/lib64/libQt5WebEngineCore.so.5
#4  0x00007f921fb513d2 in base::(anonymous namespace)::ThreadFunc(void*) () at
/lib64/libQt5WebEngineCore.so.5
#5  0x00007f9225d886ca in start_thread (arg=0x7f91b9ffb700) at
pthread_create.c:333
#6  0x00007f9229797f7f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 16 (Thread 0x7f91ba7fc700 (LWP 22418)):
#0  0x00007f9225d8e460 in pthread_cond_wait@@GLIBC_2.3.2 () at
../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f921fb4ac35 in base::WaitableEvent::TimedWait(base::TimeDelta
const&) () at /lib64/libQt5WebEngineCore.so.5
#2  0x00007f921fb4ace4 in base::WaitableEvent::Wait() () at
/lib64/libQt5WebEngineCore.so.5
#3  0x00007f921fb2c5f3 in
base::MessagePumpDefault::Run(base::MessagePump::Delegate*) () at
/lib64/libQt5WebEngineCore.so.5
#4  0x00007f921fb3ee8a in base::RunLoop::Run() () at
/lib64/libQt5WebEngineCore.so.5
#5  0x00007f921fb549a5 in base::Thread::Run(base::MessageLoop*) () at
/lib64/libQt5WebEngineCore.so.5
#6  0x00007f921fb54c64 in base::Thread::ThreadMain() () at
/lib64/libQt5WebEngineCore.so.5
#7  0x00007f921fb513d2 in base::(anonymous namespace)::ThreadFunc(void*) () at
/lib64/libQt5WebEngineCore.so.5
#8  0x00007f9225d886ca in start_thread (arg=0x7f91ba7fc700) at
pthread_create.c:333
#9  0x00007f9229797f7f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 15 (Thread 0x7f91baffd700 (LWP 22417)):
#0  0x00007f92297a5f5c in __lll_lock_wait_private () at
../sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:95
#1  0x00007f92297a7b64 in ___fprintf_chk (fp=0x7f9229a52730
<_IO_stdfile_2_lock>, flag=1, format=0x7f9210c1ec74 "[%s] %s\n") at
fprintf_chk.c:30
#2  0x00007f9210c0686e in _warn_helper () at /lib64/libevent-2.0.so.5
#3  0x00007f9210c06a64 in event_warn () at /lib64/libevent-2.0.so.5
#4  0x00007f9210c0b1e8 in epoll_dispatch () at /lib64/libevent-2.0.so.5
#5  0x00007f9210bf518a in event_base_loop () at /lib64/libevent-2.0.so.5
#6  0x00007f921fb080fe in
base::MessagePumpLibevent::Run(base::MessagePump::Delegate*) () at
/lib64/libQt5WebEngineCore.so.5
#7  0x00007f921fb3ee8a in base::RunLoop::Run() () at
/lib64/libQt5WebEngineCore.so.5
#8  0x00007f921fb549a5 in base::Thread::Run(base::MessageLoop*) () at
/lib64/libQt5WebEngineCore.so.5
#9  0x00007f92200e4288 in
content::BrowserThreadImpl::IOThreadRun(base::MessageLoop*) () at
/lib64/libQt5WebEngineCore.so.5
#10 0x00007f92200e4bac in content::BrowserThreadImpl::Run(base::MessageLoop*)
() at /lib64/libQt5WebEngineCore.so.5
#11 0x00007f921fb54c64 in base::Thread::ThreadMain() () at
/lib64/libQt5WebEngineCore.so.5
#12 0x00007f921fb513d2 in base::(anonymous namespace)::ThreadFunc(void*) () at
/lib64/libQt5WebEngineCore.so.5
#13 0x00007f9225d886ca in start_thread (arg=0x7f91baffd700) at
pthread_create.c:333
#14 0x00007f9229797f7f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 14 (Thread 0x7f91bb7fe700 (LWP 22416)):
#0  0x00007f9225d8e460 in pthread_cond_wait@@GLIBC_2.3.2 () at
../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f921fb4ac35 in base::WaitableEvent::TimedWait(base::TimeDelta
const&) () at /lib64/libQt5WebEngineCore.so.5
#2  0x00007f921fb4ace4 in base::WaitableEvent::Wait() () at
/lib64/libQt5WebEngineCore.so.5
#3  0x00007f921fb2c5f3 in
base::MessagePumpDefault::Run(base::MessagePump::Delegate*) () at
/lib64/libQt5WebEngineCore.so.5
#4  0x00007f921fb3ee8a in base::RunLoop::Run() () at
/lib64/libQt5WebEngineCore.so.5
#5  0x00007f921fb549a5 in base::Thread::Run(base::MessageLoop*) () at
/lib64/libQt5WebEngineCore.so.5
#6  0x00007f92200e41d8 in
content::BrowserThreadImpl::CacheThreadRun(base::MessageLoop*) () at
/lib64/libQt5WebEngineCore.so.5
#7  0x00007f92200e4b94 in content::BrowserThreadImpl::Run(base::MessageLoop*)
() at /lib64/libQt5WebEngineCore.so.5
#8  0x00007f921fb54c64 in base::Thread::ThreadMain() () at
/lib64/libQt5WebEngineCore.so.5
#9  0x00007f921fb513d2 in base::(anonymous namespace)::ThreadFunc(void*) () at
/lib64/libQt5WebEngineCore.so.5
#10 0x00007f9225d886ca in start_thread (arg=0x7f91bb7fe700) at
pthread_create.c:333
#11 0x00007f9229797f7f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 13 (Thread 0x7f91bbfff700 (LWP 22415)):
#0  0x00007f9225d8e460 in pthread_cond_wait@@GLIBC_2.3.2 () at
../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f921fb4ac35 in base::WaitableEvent::TimedWait(base::TimeDelta
const&) () at /lib64/libQt5WebEngineCore.so.5
#2  0x00007f921fb4ace4 in base::WaitableEvent::Wait() () at
/lib64/libQt5WebEngineCore.so.5
#3  0x00007f921fb2c5f3 in
base::MessagePumpDefault::Run(base::MessagePump::Delegate*) () at
/lib64/libQt5WebEngineCore.so.5
#4  0x00007f921fb3ee8a in base::RunLoop::Run() () at
/lib64/libQt5WebEngineCore.so.5
#5  0x00007f921fb549a5 in base::Thread::Run(base::MessageLoop*) () at
/lib64/libQt5WebEngineCore.so.5
#6  0x00007f92200e4128 in
content::BrowserThreadImpl::ProcessLauncherThreadRun(base::MessageLoop*) () at
/lib64/libQt5WebEngineCore.so.5
#7  0x00007f92200e4b7c in content::BrowserThreadImpl::Run(base::MessageLoop*)
() at /lib64/libQt5WebEngineCore.so.5
#8  0x00007f921fb54c64 in base::Thread::ThreadMain() () at
/lib64/libQt5WebEngineCore.so.5
#9  0x00007f921fb513d2 in base::(anonymous namespace)::ThreadFunc(void*) () at
/lib64/libQt5WebEngineCore.so.5
#10 0x00007f9225d886ca in start_thread (arg=0x7f91bbfff700) at
pthread_create.c:333
#11 0x00007f9229797f7f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 12 (Thread 0x7f91ccff9700 (LWP 22414)):
#0  0x00007f9225d8e460 in pthread_cond_wait@@GLIBC_2.3.2 () at
../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f921fb4ac35 in base::WaitableEvent::TimedWait(base::TimeDelta
const&) () at /lib64/libQt5WebEngineCore.so.5
#2  0x00007f921fb4ace4 in base::WaitableEvent::Wait() () at
/lib64/libQt5WebEngineCore.so.5
#3  0x00007f921fb2c5f3 in
base::MessagePumpDefault::Run(base::MessagePump::Delegate*) () at
/lib64/libQt5WebEngineCore.so.5
#4  0x00007f921fb3ee8a in base::RunLoop::Run() () at
/lib64/libQt5WebEngineCore.so.5
#5  0x00007f921fb549a5 in base::Thread::Run(base::MessageLoop*) () at
/lib64/libQt5WebEngineCore.so.5
#6  0x00007f92200e4078 in
content::BrowserThreadImpl::FileUserBlockingThreadRun(base::MessageLoop*) () at
/lib64/libQt5WebEngineCore.so.5
#7  0x00007f92200e4b6c in content::BrowserThreadImpl::Run(base::MessageLoop*)
() at /lib64/libQt5WebEngineCore.so.5
#8  0x00007f921fb54c64 in base::Thread::ThreadMain() () at
/lib64/libQt5WebEngineCore.so.5
#9  0x00007f921fb513d2 in base::(anonymous namespace)::ThreadFunc(void*) () at
/lib64/libQt5WebEngineCore.so.5
#10 0x00007f9225d886ca in start_thread (arg=0x7f91ccff9700) at
pthread_create.c:333
#11 0x00007f9229797f7f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 11 (Thread 0x7f91cd7fa700 (LWP 22413)):
#0  0x00007f92296c2c00 in _nl_make_l10nflist
(l10nfile_list=l10nfile_list at entry=0x7f9229a51b58 <_nl_loaded_domains>,
dirlist=dirlist at entry=0x7f9229820830 <_nl_default_dirname> "/usr/share/locale",
dirlist_len=18, mask=mask at entry=0, language=language at entry=0x7f91cd7f9390
"en_US.UTF-8", territory=territory at entry=0x0, codeset=0x0,
normalized_codeset=0x0, modifier=0x0, filename=0x7f91cd7f93b0
"LC_MESSAGES/libc.mo", do_allocate=0) at ../intl/l10nflist.c:157
#1  0x00007f92296c08d7 in _nl_find_domain (dirname=dirname at entry=0x7f9229820830
<_nl_default_dirname> "/usr/share/locale", locale=locale at entry=0x7f91cd7f9390
"en_US.UTF-8", domainname=domainname at entry=0x7f91cd7f93b0
"LC_MESSAGES/libc.mo", domainbinding=domainbinding at entry=0x0) at
finddomain.c:91
#2  0x00007f92296c00d3 in __dcigettext (domainname=0x7f9229819840
<_libc_intl_domainname> "libc", msgid1=0x7f9229819c6e "Bad file descriptor",
msgid2=msgid2 at entry=0x0, plural=plural at entry=0, n=n at entry=0,
category=category at entry=5) at dcigettext.c:722
#3  0x00007f92296be7ef in __GI___dcgettext (domainname=<optimized out>,
msgid=<optimized out>, category=category at entry=5) at dcgettext.c:47
#4  0x00007f922971ce8c in __GI___strerror_r (errnum=errnum at entry=9,
buf=buf at entry=0x0, buflen=buflen at entry=0) at _strerror.c:71
#5  0x00007f922971cdbf in strerror (errnum=9) at strerror.c:31
#6  0x00007f9210c06a51 in event_warn () at /lib64/libevent-2.0.so.5
#7  0x00007f9210c0b1e8 in epoll_dispatch () at /lib64/libevent-2.0.so.5
#8  0x00007f9210bf518a in event_base_loop () at /lib64/libevent-2.0.so.5
#9  0x00007f921fb080fe in
base::MessagePumpLibevent::Run(base::MessagePump::Delegate*) () at
/lib64/libQt5WebEngineCore.so.5
#10 0x00007f921fb3ee8a in base::RunLoop::Run() () at
/lib64/libQt5WebEngineCore.so.5
#11 0x00007f921fb549a5 in base::Thread::Run(base::MessageLoop*) () at
/lib64/libQt5WebEngineCore.so.5
#12 0x00007f92200e3fc8 in
content::BrowserThreadImpl::FileThreadRun(base::MessageLoop*) () at
/lib64/libQt5WebEngineCore.so.5
#13 0x00007f92200e4b5c in content::BrowserThreadImpl::Run(base::MessageLoop*)
() at /lib64/libQt5WebEngineCore.so.5
#14 0x00007f921fb54c64 in base::Thread::ThreadMain() () at
/lib64/libQt5WebEngineCore.so.5
#15 0x00007f921fb513d2 in base::(anonymous namespace)::ThreadFunc(void*) () at
/lib64/libQt5WebEngineCore.so.5
#16 0x00007f9225d886ca in start_thread (arg=0x7f91cd7fa700) at
pthread_create.c:333
#17 0x00007f9229797f7f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 10 (Thread 0x7f91cdffb700 (LWP 22412)):
#0  0x00007f9225d8e460 in pthread_cond_wait@@GLIBC_2.3.2 () at
../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f921fb4ac35 in base::WaitableEvent::TimedWait(base::TimeDelta
const&) () at /lib64/libQt5WebEngineCore.so.5
#2  0x00007f921fb4ace4 in base::WaitableEvent::Wait() () at
/lib64/libQt5WebEngineCore.so.5
#3  0x00007f921fb2c5f3 in
base::MessagePumpDefault::Run(base::MessagePump::Delegate*) () at
/lib64/libQt5WebEngineCore.so.5
#4  0x00007f921fb3ee8a in base::RunLoop::Run() () at
/lib64/libQt5WebEngineCore.so.5
#5  0x00007f921fb549a5 in base::Thread::Run(base::MessageLoop*) () at
/lib64/libQt5WebEngineCore.so.5
#6  0x00007f92200e3f18 in
content::BrowserThreadImpl::DBThreadRun(base::MessageLoop*) () at
/lib64/libQt5WebEngineCore.so.5
#7  0x00007f92200e4b4c in content::BrowserThreadImpl::Run(base::MessageLoop*)
() at /lib64/libQt5WebEngineCore.so.5
#8  0x00007f921fb54c64 in base::Thread::ThreadMain() () at
/lib64/libQt5WebEngineCore.so.5
#9  0x00007f921fb513d2 in base::(anonymous namespace)::ThreadFunc(void*) () at
/lib64/libQt5WebEngineCore.so.5
#10 0x00007f9225d886ca in start_thread (arg=0x7f91cdffb700) at
pthread_create.c:333
#11 0x00007f9229797f7f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 9 (Thread 0x7f91ce7fc700 (LWP 22411)):
#0  0x00007f9225d8e809 in pthread_cond_timedwait@@GLIBC_2.3.2 () at
../sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:225
#1  0x00007f921fb4a422 in base::ConditionVariable::TimedWait(base::TimeDelta
const&) () at /lib64/libQt5WebEngineCore.so.5
#2  0x00007f921fb57949 in base::PosixDynamicThreadPool::WaitForTask() () at
/lib64/libQt5WebEngineCore.so.5
#3  0x00007f921fb57e83 in base::(anonymous
namespace)::WorkerThread::ThreadMain() () at /lib64/libQt5WebEngineCore.so.5
#4  0x00007f921fb513d2 in base::(anonymous namespace)::ThreadFunc(void*) () at
/lib64/libQt5WebEngineCore.so.5
#5  0x00007f9225d886ca in start_thread (arg=0x7f91ce7fc700) at
pthread_create.c:333
#6  0x00007f9229797f7f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 8 (Thread 0x7f91ceffd700 (LWP 22410)):
#0  0x00007f9225d8e809 in pthread_cond_timedwait@@GLIBC_2.3.2 () at
../sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:225
#1  0x00007f921fb4a422 in base::ConditionVariable::TimedWait(base::TimeDelta
const&) () at /lib64/libQt5WebEngineCore.so.5
#2  0x00007f921fb57949 in base::PosixDynamicThreadPool::WaitForTask() () at
/lib64/libQt5WebEngineCore.so.5
#3  0x00007f921fb57e83 in base::(anonymous
namespace)::WorkerThread::ThreadMain() () at /lib64/libQt5WebEngineCore.so.5
#4  0x00007f921fb513d2 in base::(anonymous namespace)::ThreadFunc(void*) () at
/lib64/libQt5WebEngineCore.so.5
#5  0x00007f9225d886ca in start_thread (arg=0x7f91ceffd700) at
pthread_create.c:333
#6  0x00007f9229797f7f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 7 (Thread 0x7f91cf7fe700 (LWP 22409)):
#0  0x00007f9225d8e460 in pthread_cond_wait@@GLIBC_2.3.2 () at
../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f921fb4ac35 in base::WaitableEvent::TimedWait(base::TimeDelta
const&) () at /lib64/libQt5WebEngineCore.so.5
#2  0x00007f921fb4ace4 in base::WaitableEvent::Wait() () at
/lib64/libQt5WebEngineCore.so.5
#3  0x00007f921fb2c5f3 in
base::MessagePumpDefault::Run(base::MessagePump::Delegate*) () at
/lib64/libQt5WebEngineCore.so.5
#4  0x00007f921fb3ee8a in base::RunLoop::Run() () at
/lib64/libQt5WebEngineCore.so.5
#5  0x00007f921fb549a5 in base::Thread::Run(base::MessageLoop*) () at
/lib64/libQt5WebEngineCore.so.5
#6  0x00007f921fb54c64 in base::Thread::ThreadMain() () at
/lib64/libQt5WebEngineCore.so.5
#7  0x00007f921fb513d2 in base::(anonymous namespace)::ThreadFunc(void*) () at
/lib64/libQt5WebEngineCore.so.5
#8  0x00007f9225d886ca in start_thread (arg=0x7f91cf7fe700) at
pthread_create.c:333
#9  0x00007f9229797f7f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 6 (Thread 0x7f91cffff700 (LWP 22408)):
#0  0x00007f92297a5f5c in __lll_lock_wait_private () at
../sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:95
#1  0x00007f92297a7b64 in ___fprintf_chk (fp=0x7f9229a52730
<_IO_stdfile_2_lock>, flag=1, format=0x7f9210c1ec74 "[%s] %s\n") at
fprintf_chk.c:30
#2  0x00007f9210c0686e in _warn_helper () at /lib64/libevent-2.0.so.5
#3  0x00007f9210c06a64 in event_warn () at /lib64/libevent-2.0.so.5
#4  0x00007f9210c0b1e8 in epoll_dispatch () at /lib64/libevent-2.0.so.5
#5  0x00007f9210bf518a in event_base_loop () at /lib64/libevent-2.0.so.5
#6  0x00007f921fb08192 in
base::MessagePumpLibevent::Run(base::MessagePump::Delegate*) () at
/lib64/libQt5WebEngineCore.so.5
#7  0x00007f921fb3ee8a in base::RunLoop::Run() () at
/lib64/libQt5WebEngineCore.so.5
#8  0x00007f921fb549a5 in base::Thread::Run(base::MessageLoop*) () at
/lib64/libQt5WebEngineCore.so.5
#9  0x00007f921fb54c64 in base::Thread::ThreadMain() () at
/lib64/libQt5WebEngineCore.so.5
#10 0x00007f921fb513d2 in base::(anonymous namespace)::ThreadFunc(void*) () at
/lib64/libQt5WebEngineCore.so.5
#11 0x00007f9225d886ca in start_thread (arg=0x7f91cffff700) at
pthread_create.c:333
#12 0x00007f9229797f7f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 5 (Thread 0x7f91e9f52700 (LWP 22388)):
#0  0x00007f921524a879 in g_mutex_lock (mutex=mutex at entry=0x7f91e0000990) at
gthread-posix.c:1336
#1  0x00007f92152046aa in g_main_context_prepare
(context=context at entry=0x7f91e0000990, priority=priority at entry=0x7f91e9f51b40)
at gmain.c:3504
#2  0x00007f921520508b in g_main_context_iterate
(context=context at entry=0x7f91e0000990, block=block at entry=1,
dispatch=dispatch at entry=1, self=<optimized out>) at gmain.c:3909
#3  0x00007f921520527c in g_main_context_iteration (context=0x7f91e0000990,
may_block=1) at gmain.c:3990
#4  0x00007f922a5926eb in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /lib64/libQt5Core.so.5
#5  0x00007f922a54368a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/lib64/libQt5Core.so.5
#6  0x00007f922a3a05e3 in QThread::exec() () at /lib64/libQt5Core.so.5
#7  0x00007f922a3a49ca in QThreadPrivate::start(void*) () at
/lib64/libQt5Core.so.5
#8  0x00007f9225d886ca in start_thread (arg=0x7f91e9f52700) at
pthread_create.c:333
#9  0x00007f9229797f7f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 4 (Thread 0x7f91ea753700 (LWP 22386)):
#0  0x00007f921520220f in g_source_iter_next (iter=iter at entry=0x7f91ea752ac0,
source=source at entry=0x7f91ea752ab8) at gmain.c:979
#1  0x00007f921520463b in g_main_context_prepare
(context=context at entry=0x7f91dc000990, priority=priority at entry=0x7f91ea752b40)
at gmain.c:3479
#2  0x00007f921520508b in g_main_context_iterate
(context=context at entry=0x7f91dc000990, block=block at entry=1,
dispatch=dispatch at entry=1, self=<optimized out>) at gmain.c:3909
#3  0x00007f921520527c in g_main_context_iteration (context=0x7f91dc000990,
may_block=1) at gmain.c:3990
#4  0x00007f922a5926eb in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /lib64/libQt5Core.so.5
#5  0x00007f922a54368a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/lib64/libQt5Core.so.5
#6  0x00007f922a3a05e3 in QThread::exec() () at /lib64/libQt5Core.so.5
#7  0x00007f922a3a49ca in QThreadPrivate::start(void*) () at
/lib64/libQt5Core.so.5
#8  0x00007f9225d886ca in start_thread (arg=0x7f91ea753700) at
pthread_create.c:333
#9  0x00007f9229797f7f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 3 (Thread 0x7f91eaf54700 (LWP 22385)):
#0  0x00007f921524a879 in g_mutex_lock (mutex=mutex at entry=0x7f91e4000990) at
gthread-posix.c:1336
#1  0x00007f9215205268 in g_main_context_iteration (context=0x7f91e4000990,
may_block=1) at gmain.c:3989
#2  0x00007f922a5926eb in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /lib64/libQt5Core.so.5
#3  0x00007f922a54368a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/lib64/libQt5Core.so.5
#4  0x00007f922a3a05e3 in QThread::exec() () at /lib64/libQt5Core.so.5
#5  0x00007f922a3a49ca in QThreadPrivate::start(void*) () at
/lib64/libQt5Core.so.5
#6  0x00007f9225d886ca in start_thread (arg=0x7f91eaf54700) at
pthread_create.c:333
#7  0x00007f9229797f7f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 2 (Thread 0x7f91fa3b3700 (LWP 22384)):
#0  0x00007f921524a894 in g_mutex_unlock (mutex=0x7f91ec000990) at
gthread-posix.c:1348
#1  0x00007f9215204690 in g_main_context_prepare
(context=context at entry=0x7f91ec000990, priority=priority at entry=0x7f91fa3b2b00)
at gmain.c:3499
#2  0x00007f921520508b in g_main_context_iterate
(context=context at entry=0x7f91ec000990, block=block at entry=1,
dispatch=dispatch at entry=1, self=<optimized out>) at gmain.c:3909
#3  0x00007f921520527c in g_main_context_iteration (context=0x7f91ec000990,
may_block=1) at gmain.c:3990
#4  0x00007f922a5926eb in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /lib64/libQt5Core.so.5
#5  0x00007f922a54368a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/lib64/libQt5Core.so.5
#6  0x00007f922a3a05e3 in QThread::exec() () at /lib64/libQt5Core.so.5
#7  0x00007f922b53bfb9 in QDBusConnectionManager::run() () at
/lib64/libQt5DBus.so.5
#8  0x00007f922a3a49ca in QThreadPrivate::start(void*) () at
/lib64/libQt5Core.so.5
#9  0x00007f9225d886ca in start_thread (arg=0x7f91fa3b3700) at
pthread_create.c:333
#10 0x00007f9229797f7f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 1 (Thread 0x7f9204aeb940 (LWP 22382)):
[KCrash Handler]
#6  0x00007f92296c591f in __GI_raise (sig=sig at entry=6) at
../sysdeps/unix/sysv/linux/raise.c:58
#7  0x00007f92296c751a in __GI_abort () at abort.c:89
#8  0x00007f92296bdda7 in __assert_fail_base (fmt=<optimized out>,
assertion=assertion at entry=0x7f91f86c58cb "kref", file=file at entry=0x7f91f86c58ba
"pushbuf.c", line=line at entry=727, function=function at entry=0x7f91f86c58f0
<__PRETTY_FUNCTION__.6242> "nouveau_pushbuf_data") at assert.c:92
#9  0x00007f92296bde52 in __GI___assert_fail
(assertion=assertion at entry=0x7f91f86c58cb "kref",
file=file at entry=0x7f91f86c58ba "pushbuf.c", line=line at entry=727,
function=function at entry=0x7f91f86c58f0 <__PRETTY_FUNCTION__.6242>
"nouveau_pushbuf_data") at assert.c:101
#10 0x00007f91f86c3cd4 in nouveau_pushbuf_data (push=push at entry=0x55b80fea55f0,
bo=0x55b80fea5490, offset=254960, length=456) at pushbuf.c:727
#11 0x00007f91f86c3c1b in nouveau_pushbuf_data (push=push at entry=0x55b80fea55f0,
bo=bo at entry=0x0, offset=offset at entry=0, length=length at entry=0) at pushbuf.c:719
#12 0x00007f91f86c3d6a in pushbuf_submit (push=push at entry=0x55b80fea55f0,
chan=<optimized out>, chan=<optimized out>) at pushbuf.c:330
#13 0x00007f91f86c400f in pushbuf_flush (push=push at entry=0x55b80fea55f0) at
pushbuf.c:405
#14 0x00007f91f86c4bc0 in nouveau_pushbuf_kick (push=0x55b80fea55f0,
chan=<optimized out>) at pushbuf.c:779
#15 0x00007f91f3740486 in nvc0_flush () at /usr/lib64/dri/nouveau_dri.so
#16 0x00007f91f332c1aa in st_context_flush () at /usr/lib64/dri/nouveau_dri.so
#17 0x00007f91f34a765c in dri_flush () at /usr/lib64/dri/nouveau_dri.so
#18 0x00007f91f9986a9c in dri2SwapBuffers () at /lib64/libGLX_mesa.so.0
#19 0x00007f923013f6bd in QGLXContext::swapBuffers(QPlatformSurface*) () at
/usr/lib64/qt5/plugins/xcbglintegrations/libqxcb-glx-integration.so
#20 0x00007f922a8b233d in QOpenGLContext::swapBuffers(QSurface*) () at
/lib64/libQt5Gui.so.5
#21 0x00007f922aabae98 in QPlatformBackingStore::composeAndFlush(QWindow*,
QRegion const&, QPoint const&, QPlatformTextureList*, QOpenGLContext*, bool) ()
at /lib64/libQt5Gui.so.5
#22 0x00007f91fde69c77 in QXcbBackingStore::composeAndFlush(QWindow*, QRegion
const&, QPoint const&, QPlatformTextureList*, QOpenGLContext*, bool) () at
/lib64/libQt5XcbQpa.so.5
#23 0x00007f922ad91dad in QWidgetBackingStore::qt_flush(QWidget*, QRegion
const&, QBackingStore*, QWidget*, QPoint const&, QPlatformTextureList*,
QWidgetBackingStore*) (widget=0x55b810f8a840, region=...,
backingStore=<optimized out>, tlw=<optimized out>, tlwOffset=...,
widgetTextures=<optimized out>, widgetBackingStore=<optimized out>) at
kernel/qwidgetbackingstore.cpp:140
#24 0x00007f922ad933de in QWidgetBackingStore::flush(QWidget*)
(this=this at entry=0x55b8112b8f20, widget=widget at entry=0x0) at
kernel/qwidgetbackingstore.cpp:1419
#25 0x00007f922ad952c4 in QWidgetBackingStore::endPaint(QRegion const&,
QBackingStore*, BeginPaintInfo*) (beginPaintInfo=<synthetic pointer>,
backingStore=<optimized out>, cleaned=..., this=0x55b8112b8f20) at
kernel/qwidgetbackingstore.cpp:361
#26 0x00007f922ad952c4 in QWidgetBackingStore::doSync()
(this=this at entry=0x55b8112b8f20) at kernel/qwidgetbackingstore.cpp:1403
#27 0x00007f922ad9547f in QWidgetBackingStore::sync() (this=0x55b8112b8f20) at
kernel/qwidgetbackingstore.cpp:1179
#28 0x00007f922adb43af in QWidgetPrivate::syncBackingStore()
(this=0x55b810f8aac0) at kernel/qwidget.cpp:1962
#29 0x00007f922adcc898 in QWidget::event(QEvent*)
(this=this at entry=0x55b810f8a840, event=event at entry=0x55b811b7c370) at
kernel/qwidget.cpp:9100
#30 0x00007f922aecc2ab in QMainWindow::event(QEvent*) (this=0x55b810f8a840,
event=0x55b811b7c370) at widgets/qmainwindow.cpp:1543
#31 0x00007f922e25a747 in KMainWindow::event(QEvent*) () at
/lib64/libKF5XmlGui.so.5
#32 0x00007f922e29fe65 in KXmlGuiWindow::event(QEvent*) () at
/lib64/libKF5XmlGui.so.5
#33 0x00007f922ad84ecc in QApplicationPrivate::notify_helper(QObject*, QEvent*)
(this=<optimized out>, receiver=0x55b810f8a840, e=0x55b811b7c370) at
kernel/qapplication.cpp:3799
#34 0x00007f922ad8c671 in QApplication::notify(QObject*, QEvent*)
(this=0x7ffc3c2ad580, receiver=0x55b810f8a840, e=0x55b811b7c370) at
kernel/qapplication.cpp:3556
#35 0x00007f922a5446fa in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() at /lib64/libQt5Core.so.5
#36 0x00007f922a546de0 in QCoreApplicationPrivate::sendPostedEvents(QObject*,
int, QThreadData*) () at /lib64/libQt5Core.so.5
#37 0x00007f922a592653 in postEventSourceDispatch(_GSource*, int (*)(void*),
void*) () at /lib64/libQt5Core.so.5
#38 0x00007f9215204e52 in g_main_dispatch (context=0x7f91f40016f0) at
gmain.c:3203
#39 0x00007f9215204e52 in g_main_context_dispatch
(context=context at entry=0x7f91f40016f0) at gmain.c:3856
#40 0x00007f92152051d0 in g_main_context_iterate
(context=context at entry=0x7f91f40016f0, block=block at entry=1,
dispatch=dispatch at entry=1, self=<optimized out>) at gmain.c:3929
#41 0x00007f921520527c in g_main_context_iteration (context=0x7f91f40016f0,
may_block=1) at gmain.c:3990
#42 0x00007f922a5926cf in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /lib64/libQt5Core.so.5
#43 0x00007f922a54368a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/lib64/libQt5Core.so.5
#44 0x00007f922a54b18c in QCoreApplication::exec() () at /lib64/libQt5Core.so.5
#45 0x000055b80f6c9cab in main ()

Possible duplicates by query: bug 359869.

Reported using DrKonqi

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