Bug 399859

Summary: KDE desktop in ubuntu
Product: [Applications] konqueror Reporter: Francisco Scavassa <chicopsych.fs>
Component: generalAssignee: Konqueror Developers <konq-bugs>
Status: RESOLVED DUPLICATE    
Severity: crash CC: nate
Priority: NOR Keywords: drkonqi
Version: 5.0.97   
Target Milestone: ---   
Platform: Ubuntu   
OS: Linux   
Latest Commit: Version Fixed In:
Sentry Crash Report:

Description Francisco Scavassa 2018-10-15 23:15:22 UTC 
Application: konqueror (5.0.97)

Qt Version: 5.9.5
Frameworks Version: 5.47.0
Operating System: Linux 4.15.0-38-generic x86_64
Distribution: Ubuntu 18.04.1 LTS

-- Information about the crash:
I installed the KDE desktop in ubuntu, but during the initialization of kde soon after login the error occurs

-- Backtrace:
Application: Konqueror (konqueror), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7fed0fef7840 (LWP 1669))]

Thread 21 (Thread 0x7fec6effd700 (LWP 1827)):
#0  0x00007fed0f7676ac in __lll_lock_wait_private () at ../sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:95
#1  0x00007fed0f769474 in ___fprintf_chk (fp=0x7fed0fa248b0 <_IO_stdfile_2_lock>, flag=1, format=0x7fecdbe2d6a8 "[%s] %s\n") at fprintf_chk.c:30
#2  0x00007fecdbe159ad in event_logv_ () at /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#3  0x00007fecdbe15b44 in event_warn () at /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#4  0x00007fecdbe1746c in  () at /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#5  0x00007fecdbe0d114 in event_base_loop () at /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#6  0x00007fecddf1fb0d in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007fecddf1bda8 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007fecddf3877b in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007fecddf504d6 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007fecddf4c5eb in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#11 0x00007fed04ea06db in start_thread (arg=0x7fec6effd700) at pthread_create.c:463
#12 0x00007fed0f75888f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 20 (Thread 0x7fec6f7fe700 (LWP 1826)):
#0  0x00007fed04ea69f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x7fec6f7fda78) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007fed04ea69f3 in __pthread_cond_wait_common (abstime=0x0, mutex=0x7fec6f7fda28, cond=0x7fec6f7fda50) at pthread_cond_wait.c:502
#2  0x00007fed04ea69f3 in __pthread_cond_wait (cond=0x7fec6f7fda50, mutex=0x7fec6f7fda28) at pthread_cond_wait.c:655
#3  0x00007fecddf44999 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007fecddf449c7 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007fecddf1f4db in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007fecddf1bda8 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007fecddf3877b in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007fecddf504d6 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007fecddf4c5eb in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007fed04ea06db in start_thread (arg=0x7fec6f7fe700) at pthread_create.c:463
#11 0x00007fed0f75888f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 19 (Thread 0x7fec6ffff700 (LWP 1825)):
#0  0x00007fed04ea69f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x555fae6b2b48) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007fed04ea69f3 in __pthread_cond_wait_common (abstime=0x0, mutex=0x555fae6b2af8, cond=0x555fae6b2b20) at pthread_cond_wait.c:502
#2  0x00007fed04ea69f3 in __pthread_cond_wait (cond=0x555fae6b2b20, mutex=0x555fae6b2af8) at pthread_cond_wait.c:655
#3  0x00007fecddf4ec95 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007fecddf4f177 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007fecddf4ff11 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007fecddf4c5eb in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007fed04ea06db in start_thread (arg=0x7fec6ffff700) at pthread_create.c:463
#8  0x00007fed0f75888f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 18 (Thread 0x7fec9cff9700 (LWP 1824)):
#0  0x00007fed04ea69f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x555fae6b2b48) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007fed04ea69f3 in __pthread_cond_wait_common (abstime=0x0, mutex=0x555fae6b2af8, cond=0x555fae6b2b20) at pthread_cond_wait.c:502
#2  0x00007fed04ea69f3 in __pthread_cond_wait (cond=0x555fae6b2b20, mutex=0x555fae6b2af8) at pthread_cond_wait.c:655
#3  0x00007fecddf4ec95 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007fecddf4f177 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007fecddf4ff11 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007fecddf4c5eb in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007fed04ea06db in start_thread (arg=0x7fec9cff9700) at pthread_create.c:463
#8  0x00007fed0f75888f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 17 (Thread 0x7fec9d7fa700 (LWP 1823)):
#0  0x00007fed0f74bbf9 in __GI___poll (fds=0x7fec7c007030, nfds=3, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007fecfe90c451 in  () at /usr/lib/x86_64-linux-gnu/libpulse.so.0
#2  0x00007fecfe8fde10 in pa_mainloop_poll () at /usr/lib/x86_64-linux-gnu/libpulse.so.0
#3  0x00007fecfe8fe4a0 in pa_mainloop_iterate () at /usr/lib/x86_64-linux-gnu/libpulse.so.0
#4  0x00007fecfe8fe530 in pa_mainloop_run () at /usr/lib/x86_64-linux-gnu/libpulse.so.0
#5  0x00007fecfe90c399 in  () at /usr/lib/x86_64-linux-gnu/libpulse.so.0
#6  0x00007fecfdd6a2a8 in  () at /usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecommon-11.1.so
#7  0x00007fed04ea06db in start_thread (arg=0x7fec9d7fa700) at pthread_create.c:463
#8  0x00007fed0f75888f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 16 (Thread 0x7fec9dffb700 (LWP 1822)):
#0  0x00007fed04ea6ed9 in futex_reltimed_wait_cancelable (private=<optimized out>, reltime=0x7fec9dffa910, expected=0, futex_word=0x7fec9dffaa98) at ../sysdeps/unix/sysv/linux/futex-internal.h:142
#1  0x00007fed04ea6ed9 in __pthread_cond_wait_common (abstime=0x7fec9dffa9b0, mutex=0x7fec9dffaa48, cond=0x7fec9dffaa70) at pthread_cond_wait.c:533
#2  0x00007fed04ea6ed9 in __pthread_cond_timedwait (cond=0x7fec9dffaa70, mutex=0x7fec9dffaa48, abstime=0x7fec9dffa9b0) at pthread_cond_wait.c:667
#3  0x00007fecddf7d652 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007fecddf4491e in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007fecddf1f52b in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007fecddf1bda8 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007fecddf3877b in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007fecddf504d6 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007fecddf4c5eb in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007fed04ea06db in start_thread (arg=0x7fec9dffb700) at pthread_create.c:463
#11 0x00007fed0f75888f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 15 (Thread 0x7fec9e7fc700 (LWP 1821)):
#0  0x00007fed04ea69f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x555fae6bf678) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007fed04ea69f3 in __pthread_cond_wait_common (abstime=0x0, mutex=0x555fae6bf5b8, cond=0x555fae6bf650) at pthread_cond_wait.c:502
#2  0x00007fed04ea69f3 in __pthread_cond_wait (cond=0x555fae6bf650, mutex=0x555fae6bf5b8) at pthread_cond_wait.c:655
#3  0x00007fecde6d6060 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007fecddf4ff11 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007fecddf4c5eb in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007fed04ea06db in start_thread (arg=0x7fec9e7fc700) at pthread_create.c:463
#7  0x00007fed0f75888f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 14 (Thread 0x7fec9effd700 (LWP 1820)):
#0  0x00007fed04ea69f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x7fec9effca78) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007fed04ea69f3 in __pthread_cond_wait_common (abstime=0x0, mutex=0x7fec9effca28, cond=0x7fec9effca50) at pthread_cond_wait.c:502
#2  0x00007fed04ea69f3 in __pthread_cond_wait (cond=0x7fec9effca50, mutex=0x7fec9effca28) at pthread_cond_wait.c:655
#3  0x00007fecddf44999 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007fecddf449c7 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007fecddf1f4db in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007fecddf1bda8 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007fecddf3877b in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007fecddf504d6 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007fecddf4c5eb in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007fed04ea06db in start_thread (arg=0x7fec9effd700) at pthread_create.c:463
#11 0x00007fed0f75888f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 13 (Thread 0x7fec9f7fe700 (LWP 1819)):
#0  0x00007fed0f7676ac in __lll_lock_wait_private () at ../sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:95
#1  0x00007fed0f769474 in ___fprintf_chk (fp=0x7fed0fa248b0 <_IO_stdfile_2_lock>, flag=1, format=0x7fecdbe2d6a8 "[%s] %s\n") at fprintf_chk.c:30
#2  0x00007fecdbe159ad in event_logv_ () at /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#3  0x00007fecdbe15b44 in event_warn () at /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#4  0x00007fecdbe1746c in  () at /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#5  0x00007fecdbe0d114 in event_base_loop () at /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#6  0x00007fecddf1fbf3 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007fecddf1bda8 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007fecddf3877b in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007fecdd7d6978 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007fecdd7d6f2b in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#11 0x00007fecddf50588 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#12 0x00007fecddf4c5eb in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#13 0x00007fed04ea06db in start_thread (arg=0x7fec9f7fe700) at pthread_create.c:463
#14 0x00007fed0f75888f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 12 (Thread 0x7fec9ffff700 (LWP 1818)):
#0  0x00007fed04ea69f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x7fec9fffe698) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007fed04ea69f3 in __pthread_cond_wait_common (abstime=0x0, mutex=0x7fec9fffe648, cond=0x7fec9fffe670) at pthread_cond_wait.c:502
#2  0x00007fed04ea69f3 in __pthread_cond_wait (cond=0x7fec9fffe670, mutex=0x7fec9fffe648) at pthread_cond_wait.c:655
#3  0x00007fecddf44999 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007fecddf449c7 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007fecddf1f4db in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007fecddf1bda8 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007fecddf3877b in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007fecdd7d68c8 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007fecdd7d6f1b in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007fecddf50588 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#11 0x00007fecddf4c5eb in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#12 0x00007fed04ea06db in start_thread (arg=0x7fec9ffff700) at pthread_create.c:463
#13 0x00007fed0f75888f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 11 (Thread 0x7fecbcff9700 (LWP 1817)):
#0  0x00007fed04ea69f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x7fecbcff8698) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007fed04ea69f3 in __pthread_cond_wait_common (abstime=0x0, mutex=0x7fecbcff8648, cond=0x7fecbcff8670) at pthread_cond_wait.c:502
#2  0x00007fed04ea69f3 in __pthread_cond_wait (cond=0x7fecbcff8670, mutex=0x7fecbcff8648) at pthread_cond_wait.c:655
#3  0x00007fecddf44999 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007fecddf449c7 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007fecddf1f4db in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007fecddf1bda8 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007fecddf3877b in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007fecdd7d6818 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007fecdd7d6f0b in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007fecddf50588 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#11 0x00007fecddf4c5eb in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#12 0x00007fed04ea06db in start_thread (arg=0x7fecbcff9700) at pthread_create.c:463
#13 0x00007fed0f75888f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 10 (Thread 0x7fecbd7fa700 (LWP 1816)):
#0  0x00007fed04ea69f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x7fecbd7f9698) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007fed04ea69f3 in __pthread_cond_wait_common (abstime=0x0, mutex=0x7fecbd7f9648, cond=0x7fecbd7f9670) at pthread_cond_wait.c:502
#2  0x00007fed04ea69f3 in __pthread_cond_wait (cond=0x7fecbd7f9670, mutex=0x7fecbd7f9648) at pthread_cond_wait.c:655
#3  0x00007fecddf44999 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007fecddf449c7 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007fecddf1f4db in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007fecddf1bda8 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007fecddf3877b in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007fecdd7d6768 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007fecdd7d6efb in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007fecddf50588 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#11 0x00007fecddf4c5eb in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#12 0x00007fed04ea06db in start_thread (arg=0x7fecbd7fa700) at pthread_create.c:463
#13 0x00007fed0f75888f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 9 (Thread 0x7fecbdffb700 (LWP 1815)):
#0  0x00007fed0f7676ac in __lll_lock_wait_private () at ../sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:95
#1  0x00007fed0f769474 in ___fprintf_chk (fp=0x7fed0fa248b0 <_IO_stdfile_2_lock>, flag=1, format=0x7fecdbe2d6a8 "[%s] %s\n") at fprintf_chk.c:30
#2  0x00007fecdbe159ad in event_logv_ () at /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#3  0x00007fecdbe15b44 in event_warn () at /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#4  0x00007fecdbe1746c in  () at /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#5  0x00007fecdbe0d114 in event_base_loop () at /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#6  0x00007fecddf1fb0d in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007fecddf1bda8 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007fecddf3877b in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007fecdd7d66b8 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007fecdd7d6eeb in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#11 0x00007fecddf50588 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#12 0x00007fecddf4c5eb in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#13 0x00007fed04ea06db in start_thread (arg=0x7fecbdffb700) at pthread_create.c:463
#14 0x00007fed0f75888f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 8 (Thread 0x7fecbe7fc700 (LWP 1814)):
#0  0x00007fed04ea69f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x7fecbe7fb698) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007fed04ea69f3 in __pthread_cond_wait_common (abstime=0x0, mutex=0x7fecbe7fb648, cond=0x7fecbe7fb670) at pthread_cond_wait.c:502
#2  0x00007fed04ea69f3 in __pthread_cond_wait (cond=0x7fecbe7fb670, mutex=0x7fecbe7fb648) at pthread_cond_wait.c:655
#3  0x00007fecddf44999 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007fecddf449c7 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007fecddf1f4db in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007fecddf1bda8 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007fecddf3877b in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007fecdd7d6608 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007fecdd7d6edb in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007fecddf50588 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#11 0x00007fecddf4c5eb in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#12 0x00007fed04ea06db in start_thread (arg=0x7fecbe7fc700) at pthread_create.c:463
#13 0x00007fed0f75888f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 7 (Thread 0x7fecbeffd700 (LWP 1813)):
#0  0x00007fed04ea6ed9 in futex_reltimed_wait_cancelable (private=<optimized out>, reltime=0x7fecbeffcb20, expected=0, futex_word=0x7fecc4004560) at ../sysdeps/unix/sysv/linux/futex-internal.h:142
#1  0x00007fed04ea6ed9 in __pthread_cond_wait_common (abstime=0x7fecbeffcbc0, mutex=0x7fecc4004510, cond=0x7fecc4004538) at pthread_cond_wait.c:533
#2  0x00007fed04ea6ed9 in __pthread_cond_timedwait (cond=0x7fecc4004538, mutex=0x7fecc4004510, abstime=0x7fecbeffcbc0) at pthread_cond_wait.c:667
#3  0x00007fecddf7d652 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007fecddf53799 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007fecddf53cfb in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007fecddf4c5eb in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007fed04ea06db in start_thread (arg=0x7fecbeffd700) at pthread_create.c:463
#8  0x00007fed0f75888f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 6 (Thread 0x7fecbf7fe700 (LWP 1812)):
#0  0x00007fed04ea6ed9 in futex_reltimed_wait_cancelable (private=<optimized out>, reltime=0x7fecbf7fdb20, expected=0, futex_word=0x7fecc4004564) at ../sysdeps/unix/sysv/linux/futex-internal.h:142
#1  0x00007fed04ea6ed9 in __pthread_cond_wait_common (abstime=0x7fecbf7fdbc0, mutex=0x7fecc4004510, cond=0x7fecc4004538) at pthread_cond_wait.c:533
#2  0x00007fed04ea6ed9 in __pthread_cond_timedwait (cond=0x7fecc4004538, mutex=0x7fecc4004510, abstime=0x7fecbf7fdbc0) at pthread_cond_wait.c:667
#3  0x00007fecddf7d652 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007fecddf53799 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007fecddf53cfb in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007fecddf4c5eb in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007fed04ea06db in start_thread (arg=0x7fecbf7fe700) at pthread_create.c:463
#8  0x00007fed0f75888f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 5 (Thread 0x7fecbffff700 (LWP 1811)):
#0  0x00007fed04ea69f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x7fecbfffea78) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007fed04ea69f3 in __pthread_cond_wait_common (abstime=0x0, mutex=0x7fecbfffea28, cond=0x7fecbfffea50) at pthread_cond_wait.c:502
#2  0x00007fed04ea69f3 in __pthread_cond_wait (cond=0x7fecbfffea50, mutex=0x7fecbfffea28) at pthread_cond_wait.c:655
#3  0x00007fecddf44999 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007fecddf449c7 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007fecddf1f4db in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007fecddf1bda8 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007fecddf3877b in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007fecddf504d6 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007fecddf4c5eb in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007fed04ea06db in start_thread (arg=0x7fecbffff700) at pthread_create.c:463
#11 0x00007fed0f75888f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 4 (Thread 0x7fecccf96700 (LWP 1810)):
#0  0x00007fed0f747187 in __GI___libc_write (fd=2, buf=0x7fecccf92e00, nbytes=50) at ../sysdeps/unix/sysv/linux/write.c:27
#1  0x00007fed0f6c21bd in _IO_new_file_write (f=0x7fed0fa23680 <_IO_2_1_stderr_>, data=0x7fecccf92e00, n=50) at fileops.c:1203
#2  0x00007fed0f6c2b2f in new_do_write (to_do=<optimized out>, data=0x7fecccf92e00 "[warn] epoll_wait: Descritor de arquivo inv\303\241lido\n", fp=0x7fed0fa23680 <_IO_2_1_stderr_>) at fileops.c:457
#3  0x00007fed0f6c2b2f in _IO_new_file_xsputn (f=0x7fed0fa23680 <_IO_2_1_stderr_>, data=<optimized out>, n=50) at fileops.c:1277
#4  0x00007fed0f695707 in buffered_vfprintf (s=s@entry=0x7fed0fa23680 <_IO_2_1_stderr_>, format=format@entry=0x7fecdbe2d6a8 "[%s] %s\n", args=args@entry=0x7fecccf953c0) at vfprintf.c:2350
#5  0x00007fed0f692726 in _IO_vfprintf_internal (s=s@entry=0x7fed0fa23680 <_IO_2_1_stderr_>, format=0x7fecdbe2d6a8 "[%s] %s\n", ap=ap@entry=0x7fecccf953c0) at vfprintf.c:1301
#6  0x00007fed0f7694c6 in ___fprintf_chk (fp=0x7fed0fa23680 <_IO_2_1_stderr_>, flag=1, format=<optimized out>) at fprintf_chk.c:35
#7  0x00007fecdbe159ad in event_logv_ () at /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#8  0x00007fecdbe15b44 in event_warn () at /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#9  0x00007fecdbe1746c in  () at /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#10 0x00007fecdbe0d114 in event_base_loop () at /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#11 0x00007fecddf1fb0d in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#12 0x00007fecddf1bda8 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#13 0x00007fecddf3877b in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#14 0x00007fecddf504d6 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#15 0x00007fecddf4c5eb in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#16 0x00007fed04ea06db in start_thread (arg=0x7fecccf96700) at pthread_create.c:463
#17 0x00007fed0f75888f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7feceea07700 (LWP 1680)):
#0  0x00007fed0f7470b4 in __GI___libc_read (fd=8, buf=0x7feceea06b20, nbytes=16) at ../sysdeps/unix/sysv/linux/read.c:27
#1  0x00007fed02fbaa00 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fed02f75f27 in g_main_context_check () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fed02f763e0 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fed02f7654c in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007fed0a03590b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007fed09fda9ea in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007fed09df922a in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007fed0baffd45 in  () at /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#9  0x00007fed09dfe16d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#10 0x00007fed04ea06db in start_thread (arg=0x7feceea07700) at pthread_create.c:463
#11 0x00007fed0f75888f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7fecf90d3700 (LWP 1678)):
#0  0x00007fed0f74bbf9 in __GI___poll (fds=0x7fecf90d2c68, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007fed04817747 in  () at /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007fed0481936a in xcb_wait_for_event () at /usr/lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007fecfb8562a9 in  () at /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#4  0x00007fed09dfe16d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fed04ea06db in start_thread (arg=0x7fecf90d3700) at pthread_create.c:463
#6  0x00007fed0f75888f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7fed0fef7840 (LWP 1669)):
[KCrash Handler]
#6  0x00007fed0fa7de78 in KonqView::url() const () at /usr/lib/x86_64-linux-gnu/libkdeinit5_konqueror.so
#7  0x00007fed0fab3687 in KonqMainWindow::isPreloaded() const () at /usr/lib/x86_64-linux-gnu/libkdeinit5_konqueror.so
#8  0x00007fed0fae8ce9 in KonqSessionManager::saveCurrentSessionToFile(KConfig*, QList<KonqMainWindow*> const&) () at /usr/lib/x86_64-linux-gnu/libkdeinit5_konqueror.so
#9  0x00007fed0fae8f95 in KonqSessionManager::autoSaveSession() () at /usr/lib/x86_64-linux-gnu/libkdeinit5_konqueror.so
#10 0x00007fed0a00b5b5 in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#11 0x00007fed0a018027 in QTimer::timeout(QTimer::QPrivateSignal) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#12 0x00007fed0a018388 in QTimer::timerEvent(QTimerEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#13 0x00007fed0a00c0db in QObject::event(QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#14 0x00007fed0b1ac82c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#15 0x00007fed0b1b40f4 in QApplication::notify(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#16 0x00007fed09fdc9a8 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#17 0x00007fed0a034d8e in QTimerInfoList::activateTimers() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#18 0x00007fed0a035551 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#19 0x00007fed02f76287 in g_main_context_dispatch () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#20 0x00007fed02f764c0 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#21 0x00007fed02f7654c in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#22 0x00007fed0a0358ef in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#23 0x00007fed0a7e3fb8 in QGuiApplication::sync() () at /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#24 0x00007fece339a30d in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineWidgets.so.5
#25 0x00007fecdd58d0b8 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#26 0x00007fecdd5b961b in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#27 0x00007fecdd5b0f4b in QtWebEngineCore::WebContentsAdapter::load(QWebEngineHttpRequest const&) () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#28 0x00007fecdd5b137e in QtWebEngineCore::WebContentsAdapter::load(QUrl const&) () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#29 0x00007fece35d715b in  () at /usr/lib/x86_64-linux-gnu/libkwebenginepartlib.so
#30 0x00007fece35cd581 in WebEnginePart::openUrl(QUrl const&) () at /usr/lib/x86_64-linux-gnu/libkwebenginepartlib.so
#31 0x00007fece35d54fc in WebEngineBrowserExtension::restoreState(QDataStream&) () at /usr/lib/x86_64-linux-gnu/libkwebenginepartlib.so
#32 0x00007fed0fa86179 in KonqView::restoreHistory() () at /usr/lib/x86_64-linux-gnu/libkdeinit5_konqueror.so
#33 0x00007fed0fa86a16 in KonqView::loadHistoryConfig(KConfigGroup const&, QString const&) () at /usr/lib/x86_64-linux-gnu/libkdeinit5_konqueror.so
#34 0x00007fed0fa8b04b in KonqViewManager::loadItem(KConfigGroup const&, KonqFrameContainerBase*, QString const&, QUrl const&, bool, QUrl const&, QString const&, bool, int) () at /usr/lib/x86_64-linux-gnu/libkdeinit5_konqueror.so
#35 0x00007fed0fa8b691 in KonqViewManager::loadItem(KConfigGroup const&, KonqFrameContainerBase*, QString const&, QUrl const&, bool, QUrl const&, QString const&, bool, int) () at /usr/lib/x86_64-linux-gnu/libkdeinit5_konqueror.so
#36 0x00007fed0fa8c080 in KonqViewManager::loadRootItem(KConfigGroup const&, KonqFrameContainerBase*, QUrl const&, bool, QUrl const&, QString const&, bool, int) () at /usr/lib/x86_64-linux-gnu/libkdeinit5_konqueror.so
#37 0x00007fed0fa8d5e3 in KonqViewManager::loadViewConfigFromGroup(KConfigGroup const&, QString const&, QUrl const&, KonqOpenURLRequest const&, bool) () at /usr/lib/x86_64-linux-gnu/libkdeinit5_konqueror.so
#38 0x00007fed0fac4e00 in KonqMainWindow::readProperties(KConfigGroup const&) () at /usr/lib/x86_64-linux-gnu/libkdeinit5_konqueror.so
#39 0x00007fed0d84ab88 in KMainWindow::readPropertiesInternal(KConfig*, int) () at /usr/lib/x86_64-linux-gnu/libKF5XmlGui.so.5
#40 0x00007fed0d84abd2 in KMainWindow::restore(int, bool) () at /usr/lib/x86_64-linux-gnu/libKF5XmlGui.so.5
#41 0x00007fed0faf951c in kdemain () at /usr/lib/x86_64-linux-gnu/libkdeinit5_konqueror.so
#42 0x00007fed0f658b97 in __libc_start_main (main=0x555fac161780, argc=3, argv=0x7ffdfd36c748, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffdfd36c738) at ../csu/libc-start.c:310
#43 0x0000555fac1617ba in _start ()

Possible duplicates by query: bug 398519, bug 395984, bug 395983, bug 395982, bug 390603.

Reported using DrKonqi
Comment 1 Nate Graham 2018-10-17 14:46:19 UTC 
In general, it's preferred to just install/reinstall Kubuntu rather than install the whole KDE meta-package on top of GNOME in Ubuntu. It causes fewer problems.
Comment 2 Christoph Feck 2018-10-17 20:06:15 UTC 

*** This bug has been marked as a duplicate of bug 384376 ***