Here is some backtrace of digikam crashing after trying to import photos from 
camera, 
Application: digiKam (digikam), signal: Segmentation fault

[KCrash Handler]
#4  __strlen_avx2 () at ../sysdeps/x86_64/multiarch/strlen-avx2.S:74
#5  0x00007f50de2a8603 in __GI___strdup (s=0x0) at ./string/strdup.c:41
#6  0x00007f50e1c66820 in gp_port_set_info (port=0x7f4fc0001c00, 
info=info@entry=0x7f4fd37ec860) at gphoto2-port.c:146
#7  0x00007f50e0f8323d in gp_camera_set_port_info (camera=0x7f4fc0004760, 
info=0x7f4fd37ec860) at gphoto2-camera.c:421
#8  0x00007f50e196ae23 in  () at /usr/lib/digikam/libdigikamgui.so.8.1.0
#9  0x00007f50e195f921 in 
Digikam::CameraController::executeCommand(Digikam::CameraCommand*) () at 
/usr/lib/digikam/libdigikamgui.so.8.1.0
#10 0x00007f50e1963164 in Digikam::CameraController::run() () at 
/usr/lib/digikam/libdigikamgui.so.8.1.0
#11 0x00007f50deaccca1 in  () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#12 0x00007f50de294b43 in start_thread (arg=<optimized out>) at 
./nptl/pthread_create.c:442
#13 0x00007f50de326a00 in clone3 () at 
../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 29 (Thread 0x7f4fd27fc640 (LWP 282576) "ThreadPoolSingl"):
#1  __futex_abstimed_wait_common (cancel=true, private=0, abstime=0x0, 
clockid=0, expected=0, futex_word=0x7f4fd27ea988) at ./nptl/futex-internal.c:87
#2  __GI___futex_abstimed_wait_cancelable64 
(futex_word=futex_word@entry=0x7f4fd27ea988, expected=expected@entry=0, 
clockid=clockid@entry=0, abstime=abstime@entry=0x0, private=private@entry=0) at 
./nptl/futex-internal.c:139
#3  0x00007f50de293ac1 in __pthread_cond_wait_common (abstime=0x0, clockid=0, 
mutex=0x7f4fd27ea938, cond=0x7f4fd27ea960) at ./nptl/pthread_cond_wait.c:503
#4  ___pthread_cond_wait (cond=0x7f4fd27ea960, mutex=0x7f4fd27ea938) at 
./nptl/pthread_cond_wait.c:627
#5  0x00007f50d356a67b in  () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f4fd27ea860 in  ()
#7  0x00007f4fd27ea8c0 in  ()
#8  0x00007f50d7f17d70 in  () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x000055b28184abe0 in  ()
#10 0x0000000000000000 in  ()

Thread 28 (Thread 0x7f4fd17fa640 (LWP 282575) "MemoryInfra"):
#1  __futex_abstimed_wait_common (cancel=true, private=0, abstime=0x0, 
clockid=0, expected=0, futex_word=0x7f4fd17e8878) at ./nptl/futex-internal.c:87
#2  __GI___futex_abstimed_wait_cancelable64 
(futex_word=futex_word@entry=0x7f4fd17e8878, expected=expected@entry=0, 
clockid=clockid@entry=0, abstime=abstime@entry=0x0, private=private@entry=0) at 
./nptl/futex-internal.c:139
#3  0x00007f50de293ac1 in __pthread_cond_wait_common (abstime=0x0, clockid=0, 
mutex=0x7f4fd17e8828, cond=0x7f4fd17e8850) at ./nptl/pthread_cond_wait.c:503
#4  ___pthread_cond_wait (cond=0x7f4fd17e8850, mutex=0x7f4fd17e8828) at 
./nptl/pthread_cond_wait.c:627
#5  0x00007f50d356a67b in  () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x0000000000000000 in  ()

Thread 27 (Thread 0x7f4ff17fa640 (LWP 282551) "ThreadPoolSingl"):
#1  __futex_abstimed_wait_common (cancel=true, private=0, abstime=0x0, 
clockid=0, expected=0, futex_word=0x7f4ff17e8988) at ./nptl/futex-internal.c:87
#2  __GI___futex_abstimed_wait_cancelable64 
(futex_word=futex_word@entry=0x7f4ff17e8988, expected=expected@entry=0, 
clockid=clockid@entry=0, abstime=abstime@entry=0x0, private=private@entry=0) at 
./nptl/futex-internal.c:139
#3  0x00007f50de293ac1 in __pthread_cond_wait_common (abstime=0x0, clockid=0, 
mutex=0x7f4ff17e8938, cond=0x7f4ff17e8960) at ./nptl/pthread_cond_wait.c:503
#4  ___pthread_cond_wait (cond=0x7f4ff17e8960, mutex=0x7f4ff17e8938) at 
./nptl/pthread_cond_wait.c:627
#5  0x00007f50d356a67b in  () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x0000000000000000 in  ()

Thread 26 (Thread 0x7f4ff1ffb640 (LWP 282550) "CacheThread_Blo"):
#1  __GI___lll_lock_wait_private (futex=0x7f50de41ba60 <_IO_stdfile_2_lock>) at 
./nptl/lowlevellock.c:34
#2  0x00007f50de277845 in buffered_vfprintf (s=0x7f50de41a6a0 
<_IO_2_1_stderr_>, format=format@entry=0x7f50c74e8c85 "[%s] %s\n", 
args=args@entry=0x7f4ff1fe9200, mode_flags=mode_flags@entry=2) at 
./stdio-common/vfprintf-internal.c:2265
#3  0x00007f50de2766de in __vfprintf_internal (s=<optimized out>, 
format=0x7f50c74e8c85 "[%s] %s\n", ap=ap@entry=0x7f4ff1fe9200, mode_flags=2) at 
./stdio-common/vfprintf-internal.c:1236
#4  0x00007f50de334ec3 in ___fprintf_chk (fp=<optimized out>, flag=<optimized 
out>, format=<optimized out>) at ./debug/fprintf_chk.c:33
#5  0x00007f50c74cd37e in event_logv_ () at 
/lib/x86_64-linux-gnu/libevent-2.1.so.7
#6  0x00007f50c74cd549 in event_warn () at 
/lib/x86_64-linux-gnu/libevent-2.1.so.7
#7  0x00007f50c74d223c in  () at /lib/x86_64-linux-gnu/libevent-2.1.so.7
#8  0x00007f50c74c95d1 in event_base_loop () at 
/lib/x86_64-linux-gnu/libevent-2.1.so.7
#9  0x00007f50d357c624 in  () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x0001000000000008 in  ()
#11 0x00007f4ff1fe9908 in  ()
#12 0x00007f4ff1fe99c0 in  ()
#13 0x0000000001c78437 in  ()
#14 0x000000000000001d in  ()
#15 0x00000000000d02f7 in  ()
#16 0x000055b285fbb288 in  ()
#17 0x000055b285fbb270 in  ()
#18 0x7fffffffffffffff in  ()
#19 0x0000000000000001 in  ()
#20 0x7fffffffffffffff in  ()
#21 0x00007f5018038410 in  ()
#22 0x00007f4ff1fe9980 in  ()
#23 0x00007f50d353fb6c in  () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#24 0x00007f50d879af08 in  () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#25 0x00007f4ff1fe9a50 in  ()
#26 0x00007f4ff1fe99c0 in  ()
#27 0x00007f4ff1fe99c8 in  ()
#28 0x00007f4ff1fe9a30 in  ()
#29 0x00007f50d3517ce6 in  () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#30 0x0000000000000000 in  ()

Thread 25 (Thread 0x7f4ff27fc640 (LWP 282549) "NetworkService"):
#1  __GI___lll_lock_wait_private (futex=0x7f50de41ba60 <_IO_stdfile_2_lock>) at 
./nptl/lowlevellock.c:34
#2  0x00007f50de277845 in buffered_vfprintf (s=0x7f50de41a6a0 
<_IO_2_1_stderr_>, format=format@entry=0x7f50c74e8c85 "[%s] %s\n", 
args=args@entry=0x7f4ff27ea200, mode_flags=mode_flags@entry=2) at 
./stdio-common/vfprintf-internal.c:2265
#3  0x00007f50de2766de in __vfprintf_internal (s=<optimized out>, 
format=0x7f50c74e8c85 "[%s] %s\n", ap=ap@entry=0x7f4ff27ea200, mode_flags=2) at 
./stdio-common/vfprintf-internal.c:1236
#4  0x00007f50de334ec3 in ___fprintf_chk (fp=<optimized out>, flag=<optimized 
out>, format=<optimized out>) at ./debug/fprintf_chk.c:33
#5  0x00007f50c74cd37e in event_logv_ () at 
/lib/x86_64-linux-gnu/libevent-2.1.so.7
#6  0x00007f50c74cd549 in event_warn () at 
/lib/x86_64-linux-gnu/libevent-2.1.so.7
#7  0x00007f50c74d223c in  () at /lib/x86_64-linux-gnu/libevent-2.1.so.7
#8  0x00007f50c74c95d1 in event_base_loop () at 
/lib/x86_64-linux-gnu/libevent-2.1.so.7
#9  0x00007f50d357c624 in  () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x0001000000000008 in  ()
#11 0x00007f4ff27ea908 in  ()
#12 0x00007f4ff27ea9c0 in  ()
#13 0x0000000044947db9 in  ()
#14 0x000000000000047e in  ()
#15 0x000000000008e239 in  ()
#16 0x000055b285fc52a8 in  ()
#17 0x000055b285fc5290 in  ()
#18 0x7fffffffffffffff in  ()
#19 0x0000000000000001 in  ()
#20 0x7fffffffffffffff in  ()
#21 0x00007f50d87b8528 in  () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#22 0x00007f4ff27ea980 in  ()
#23 0x00007f50d353fb6c in  () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#24 0x00007f50d87b8480 in  () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#25 0x00007f4ff27eaa50 in  ()
#26 0x00007f4ff27ea9c0 in  ()
#27 0x00007f4ff27ea9c8 in  ()
#28 0x00007f4ff27eaa30 in  ()
#29 0x00007f50d3517ce6 in  () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#30 0x0000000000000000 in  ()

Thread 24 (Thread 0x7f4ff2ffd640 (LWP 282548) "Thread (pooled)"):
#1  __futex_abstimed_wait_common (cancel=true, private=544, 
abstime=0x7f4ff2feb9f0, clockid=0, expected=0, futex_word=0x55b285faaaf0) at 
./nptl/futex-internal.c:87
#2  __GI___futex_abstimed_wait_cancelable64 
(futex_word=futex_word@entry=0x55b285faaaf0, expected=expected@entry=0, 
clockid=clockid@entry=1, abstime=abstime@entry=0x7f4ff2feb9f0, 
private=private@entry=0) at ./nptl/futex-internal.c:139
#3  0x00007f50de293f1b in __pthread_cond_wait_common (abstime=0x7f4ff2feb9f0, 
clockid=1, mutex=0x55b285faaaa0, cond=0x55b285faaac8) at 
./nptl/pthread_cond_wait.c:503
#4  ___pthread_cond_timedwait64 (cond=0x55b285faaac8, mutex=0x55b285faaaa0, 
abstime=0x7f4ff2feb9f0) at ./nptl/pthread_cond_wait.c:652
#5  0x00007f50dead2c7c in QWaitCondition::wait(QMutex*, QDeadlineTimer) () at 
/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f50dead0145 in  () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f50deaccca1 in  () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f50de294b43 in start_thread (arg=<optimized out>) at 
./nptl/pthread_create.c:442
#9  0x00007f50de326a00 in clone3 () at 
../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 23 (Thread 0x7f4ff37fe640 (LWP 282547) "Thread (pooled)"):
#1  __futex_abstimed_wait_common (cancel=true, private=544, 
abstime=0x7f4ff37ec9f0, clockid=0, expected=0, futex_word=0x55b285faa460) at 
./nptl/futex-internal.c:87
#2  __GI___futex_abstimed_wait_cancelable64 
(futex_word=futex_word@entry=0x55b285faa460, expected=expected@entry=0, 
clockid=clockid@entry=1, abstime=abstime@entry=0x7f4ff37ec9f0, 
private=private@entry=0) at ./nptl/futex-internal.c:139
#3  0x00007f50de293f1b in __pthread_cond_wait_common (abstime=0x7f4ff37ec9f0, 
clockid=1, mutex=0x55b285faa410, cond=0x55b285faa438) at 
./nptl/pthread_cond_wait.c:503
#4  ___pthread_cond_timedwait64 (cond=0x55b285faa438, mutex=0x55b285faa410, 
abstime=0x7f4ff37ec9f0) at ./nptl/pthread_cond_wait.c:652
#5  0x00007f50dead2c7c in QWaitCondition::wait(QMutex*, QDeadlineTimer) () at 
/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f50dead0145 in  () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f50deaccca1 in  () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f50de294b43 in start_thread (arg=<optimized out>) at 
./nptl/pthread_create.c:442
#9  0x00007f50de326a00 in clone3 () at 
../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 22 (Thread 0x7f4ff3fff640 (LWP 282546) "Thread (pooled)"):
#1  __futex_abstimed_wait_common (cancel=true, private=544, 
abstime=0x7f4ff3fed9f0, clockid=0, expected=0, futex_word=0x55b285fa9e84) at 
./nptl/futex-internal.c:87
#2  __GI___futex_abstimed_wait_cancelable64 
(futex_word=futex_word@entry=0x55b285fa9e84, expected=expected@entry=0, 
clockid=clockid@entry=1, abstime=abstime@entry=0x7f4ff3fed9f0, 
private=private@entry=0) at ./nptl/futex-internal.c:139
#3  0x00007f50de293f1b in __pthread_cond_wait_common (abstime=0x7f4ff3fed9f0, 
clockid=1, mutex=0x55b285fa9e30, cond=0x55b285fa9e58) at 
./nptl/pthread_cond_wait.c:503
#4  ___pthread_cond_timedwait64 (cond=0x55b285fa9e58, mutex=0x55b285fa9e30, 
abstime=0x7f4ff3fed9f0) at ./nptl/pthread_cond_wait.c:652
#5  0x00007f50dead2c7c in QWaitCondition::wait(QMutex*, QDeadlineTimer) () at 
/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f50dead0145 in  () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f50deaccca1 in  () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f50de294b43 in start_thread (arg=<optimized out>) at 
./nptl/pthread_create.c:442
#9  0x00007f50de326a00 in clone3 () at 
../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 21 (Thread 0x7f5014ff9640 (LWP 282545) "Thread (pooled)"):
#1  __futex_abstimed_wait_common (cancel=true, private=544, 
abstime=0x7f5014fe79f0, clockid=0, expected=0, futex_word=0x55b285f9d134) at 
./nptl/futex-internal.c:87
#2  __GI___futex_abstimed_wait_cancelable64 
(futex_word=futex_word@entry=0x55b285f9d134, expected=expected@entry=0, 
clockid=clockid@entry=1, abstime=abstime@entry=0x7f5014fe79f0, 
private=private@entry=0) at ./nptl/futex-internal.c:139
#3  0x00007f50de293f1b in __pthread_cond_wait_common (abstime=0x7f5014fe79f0, 
clockid=1, mutex=0x55b285f9d0e0, cond=0x55b285f9d108) at 
./nptl/pthread_cond_wait.c:503
#4  ___pthread_cond_timedwait64 (cond=0x55b285f9d108, mutex=0x55b285f9d0e0, 
abstime=0x7f5014fe79f0) at ./nptl/pthread_cond_wait.c:652
#5  0x00007f50dead2c7c in QWaitCondition::wait(QMutex*, QDeadlineTimer) () at 
/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f50dead0145 in  () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f50deaccca1 in  () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f50de294b43 in start_thread (arg=<optimized out>) at 
./nptl/pthread_create.c:442
#9  0x00007f50de326a00 in clone3 () at 
../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 20 (Thread 0x7f50157fa640 (LWP 282544) "VizCompositorTh"):
#1  __futex_abstimed_wait_common (cancel=true, private=0, abstime=0x0, 
clockid=0, expected=0, futex_word=0x7f50157e8878) at ./nptl/futex-internal.c:87
#2  __GI___futex_abstimed_wait_cancelable64 
(futex_word=futex_word@entry=0x7f50157e8878, expected=expected@entry=0, 
clockid=clockid@entry=0, abstime=abstime@entry=0x0, private=private@entry=0) at 
./nptl/futex-internal.c:139
#3  0x00007f50de293ac1 in __pthread_cond_wait_common (abstime=0x0, clockid=0, 
mutex=0x7f50157e8828, cond=0x7f50157e8850) at ./nptl/pthread_cond_wait.c:503
#4  ___pthread_cond_wait (cond=0x7f50157e8850, mutex=0x7f50157e8828) at 
./nptl/pthread_cond_wait.c:627
#5  0x00007f50d356a67b in  () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x0000000000000000 in  ()

Thread 19 (Thread 0x7f5015ffb640 (LWP 282543) "Chrome_ChildIOT"):
#1  ___pthread_rwlock_rdlock (rwlock=rwlock@entry=0x7f50de41ad60 <lock>) at 
./nptl/pthread_rwlock_rdlock.c:26
#2  0x00007f50de23bed6 in _nl_find_domain (dirname=dirname@entry=0x7f50de3e15b0 
<_nl_default_dirname> "/usr/share/locale", locale=locale@entry=0x7f5015fe9570 
"en_US.UTF-8", domainname=domainname@entry=0x7f5015fe9590 
"LC_MESSAGES/libc.mo", domainbinding=domainbinding@entry=0x0) at 
./intl/finddomain.c:86
#3  0x00007f50de23b845 in __dcigettext (domainname=0x7f50de3d850a 
<_libc_intl_domainname> "libc", msgid1=msgid1@entry=0x7f50de3d895a "Bad file 
descriptor", msgid2=msgid2@entry=0x0, plural=plural@entry=0, n=n@entry=0, 
category=category@entry=5) at ./intl/dcigettext.c:702
#4  0x00007f50de23a903 in __GI___dcgettext (domainname=<optimized out>, 
msgid=msgid@entry=0x7f50de3d895a "Bad file descriptor", 
category=category@entry=5) at ./intl/dcgettext.c:47
#5  0x00007f50de2b174f in translate (loc=<optimized out>, str=0x7f50de3d895a 
"Bad file descriptor") at ./string/strerror_l.c:29
#6  __GI___strerror_l (errnum=9, loc=<optimized out>) at 
./string/strerror_l.c:52
#7  0x00007f50c74cd536 in event_warn () at 
/lib/x86_64-linux-gnu/libevent-2.1.so.7
#8  0x00007f50c74d223c in  () at /lib/x86_64-linux-gnu/libevent-2.1.so.7
#9  0x00007f50c74c95d1 in event_base_loop () at 
/lib/x86_64-linux-gnu/libevent-2.1.so.7
#10 0x00007f50d357c624 in  () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#11 0x0001000000000008 in  ()
#12 0x00007f5015fe9908 in  ()
#13 0x00007f5015fe99c0 in  ()
#14 0x00007f5015fe99c8 in  ()
#15 0x00007f5000001fc0 in  ()
#16 0x00007f50de2a51b9 in __GI___libc_malloc (bytes=139981943118160) at 
./malloc/malloc.c:3329
#17 0x00007f5000001fc0 in  ()
#18 0x00007f5015fe9980 in  ()
#19 0x00007f50d353fb6c in  () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#20 0x00007f5000001df0 in  ()
#21 0x00007f5015fe9a50 in  ()
#22 0x00007f5015fe99c0 in  ()
#23 0x00007f5015fe99c8 in  ()
#24 0x00007f5015fe9a30 in  ()
#25 0x00007f50d3517ce6 in  () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#26 0x0000000000000000 in  ()

Thread 18 (Thread 0x7f50167fc640 (LWP 282542) "Chrome_InProcGp"):
#1  __futex_abstimed_wait_common (cancel=true, private=1, 
abstime=0x7f50167ea6c0, clockid=377398608, expected=0, 
futex_word=0x7f50167ea898) at ./nptl/futex-internal.c:87
#2  __GI___futex_abstimed_wait_cancelable64 
(futex_word=futex_word@entry=0x7f50167ea898, expected=expected@entry=0, 
clockid=clockid@entry=1, abstime=abstime@entry=0x7f50167ea6c0, 
private=private@entry=0) at ./nptl/futex-internal.c:139
#3  0x00007f50de293f1b in __pthread_cond_wait_common (abstime=0x7f50167ea6c0, 
clockid=1, mutex=0x7f50167ea848, cond=0x7f50167ea870) at 
./nptl/pthread_cond_wait.c:503
#4  ___pthread_cond_timedwait64 (cond=0x7f50167ea870, mutex=0x7f50167ea848, 
abstime=0x7f50167ea6c0) at ./nptl/pthread_cond_wait.c:652
#5  0x00007f50d356a7da in  () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x000000000000e965 in  ()
#7  0x00000000360c15b9 in  ()
#8  0x000000000000e947 in  ()
#9  0x00000000360ed4d9 in  ()
#10 0x00007f500000003a in  ()
#11 0x00007f50d353c9c8 in  () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#12 0x0000000000000000 in  ()

Thread 17 (Thread 0x7f5016ffd640 (LWP 282541) "VideoCaptureThr"):
#1  __futex_abstimed_wait_common (cancel=true, private=0, abstime=0x0, 
clockid=0, expected=0, futex_word=0x7f5016feb878) at ./nptl/futex-internal.c:87
#2  __GI___futex_abstimed_wait_cancelable64 
(futex_word=futex_word@entry=0x7f5016feb878, expected=expected@entry=0, 
clockid=clockid@entry=0, abstime=abstime@entry=0x0, private=private@entry=0) at 
./nptl/futex-internal.c:139
#3  0x00007f50de293ac1 in __pthread_cond_wait_common (abstime=0x0, clockid=0, 
mutex=0x7f5016feb828, cond=0x7f5016feb850) at ./nptl/pthread_cond_wait.c:503
#4  ___pthread_cond_wait (cond=0x7f5016feb850, mutex=0x7f5016feb828) at 
./nptl/pthread_cond_wait.c:627
#5  0x00007f50d356a67b in  () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x0000000000000000 in  ()

Thread 16 (Thread 0x7f50177fe640 (LWP 282540) "CompositorTileW"):
#1  __futex_abstimed_wait_common (cancel=true, private=0, abstime=0x0, 
clockid=0, expected=0, futex_word=0x55b281844e1c) at ./nptl/futex-internal.c:87
#2  __GI___futex_abstimed_wait_cancelable64 
(futex_word=futex_word@entry=0x55b281844e1c, expected=expected@entry=0, 
clockid=clockid@entry=0, abstime=abstime@entry=0x0, private=private@entry=0) at 
./nptl/futex-internal.c:139
#3  0x00007f50de293ac1 in __pthread_cond_wait_common (abstime=0x0, clockid=0, 
mutex=0x55b281844d58, cond=0x55b281844df0) at ./nptl/pthread_cond_wait.c:503
#4  ___pthread_cond_wait (cond=0x55b281844df0, mutex=0x55b281844d58) at 
./nptl/pthread_cond_wait.c:627
#5  0x00007f50d356a67b in  () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f5008000b70 in  ()
#7  0x000055b2838b5e58 in  ()
#8  0x00007f50177ecaa0 in  ()
#9  0x00007f50d35b1e84 in  () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x0000000000000000 in  ()

Thread 15 (Thread 0x7f503cdbe640 (LWP 282538) "ThreadPoolForeg"):
#1  __futex_abstimed_wait_common (cancel=true, private=-749437892, 
abstime=0x7f503cdac7d0, clockid=0, expected=0, futex_word=0x7f503cdac9a8) at 
./nptl/futex-internal.c:87
#2  __GI___futex_abstimed_wait_cancelable64 
(futex_word=futex_word@entry=0x7f503cdac9a8, expected=expected@entry=0, 
clockid=clockid@entry=1, abstime=abstime@entry=0x7f503cdac7d0, 
private=private@entry=0) at ./nptl/futex-internal.c:139
#3  0x00007f50de293f1b in __pthread_cond_wait_common (abstime=0x7f503cdac7d0, 
clockid=1, mutex=0x7f503cdac958, cond=0x7f503cdac980) at 
./nptl/pthread_cond_wait.c:503
#4  ___pthread_cond_timedwait64 (cond=0x7f503cdac980, mutex=0x7f503cdac958, 
abstime=0x7f503cdac7d0) at ./nptl/pthread_cond_wait.c:652
#5  0x00007f50d356a7da in  () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x000000000000e968 in  ()
#7  0x00000000361461b3 in  ()
#8  0x000000000000e947 in  ()
#9  0x00000000361461b3 in  ()
#10 0x00007f503cdac800 in  ()
#11 0x00007f50d357e692 in  () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#12 0x0000000000000000 in  ()

Thread 14 (Thread 0x7f503ddc0640 (LWP 282536) "ThreadPoolForeg"):
#1  __futex_abstimed_wait_common (cancel=true, private=-749437892, 
abstime=0x7f503ddae7d0, clockid=0, expected=0, futex_word=0x7f503ddae9a8) at 
./nptl/futex-internal.c:87
#2  __GI___futex_abstimed_wait_cancelable64 
(futex_word=futex_word@entry=0x7f503ddae9a8, expected=expected@entry=0, 
clockid=clockid@entry=1, abstime=abstime@entry=0x7f503ddae7d0, 
private=private@entry=0) at ./nptl/futex-internal.c:139
#3  0x00007f50de293f1b in __pthread_cond_wait_common (abstime=0x7f503ddae7d0, 
clockid=1, mutex=0x7f503ddae958, cond=0x7f503ddae980) at 
./nptl/pthread_cond_wait.c:503
#4  ___pthread_cond_timedwait64 (cond=0x7f503ddae980, mutex=0x7f503ddae958, 
abstime=0x7f503ddae7d0) at ./nptl/pthread_cond_wait.c:652
#5  0x00007f50d356a7da in  () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x000000000000e968 in  ()
#7  0x00000000360ba351 in  ()
#8  0x000000000000e947 in  ()
#9  0x00000000360ba351 in  ()
#10 0x00007f503ddaea40 in  ()
#11 0x00007f50d35afb80 in  () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#12 0x0000000000000000 in  ()

Thread 13 (Thread 0x7f503e5c1640 (LWP 282535) "Chrome_IOThread"):
#1  __GI___lll_lock_wait_private (futex=0x7f50de41ba60 <_IO_stdfile_2_lock>) at 
./nptl/lowlevellock.c:34
#2  0x00007f50de277845 in buffered_vfprintf (s=0x7f50de41a6a0 
<_IO_2_1_stderr_>, format=format@entry=0x7f50c74e8c85 "[%s] %s\n", 
args=args@entry=0x7f503e5af1c0, mode_flags=mode_flags@entry=2) at 
./stdio-common/vfprintf-internal.c:2265
#3  0x00007f50de2766de in __vfprintf_internal (s=<optimized out>, 
format=0x7f50c74e8c85 "[%s] %s\n", ap=ap@entry=0x7f503e5af1c0, mode_flags=2) at 
./stdio-common/vfprintf-internal.c:1236
#4  0x00007f50de334ec3 in ___fprintf_chk (fp=<optimized out>, flag=<optimized 
out>, format=<optimized out>) at ./debug/fprintf_chk.c:33
#5  0x00007f50c74cd37e in event_logv_ () at 
/lib/x86_64-linux-gnu/libevent-2.1.so.7
#6  0x00007f50c74cd549 in event_warn () at 
/lib/x86_64-linux-gnu/libevent-2.1.so.7
#7  0x00007f50c74d223c in  () at /lib/x86_64-linux-gnu/libevent-2.1.so.7
#8  0x00007f50c74c95d1 in event_base_loop () at 
/lib/x86_64-linux-gnu/libevent-2.1.so.7
#9  0x00007f50d357c767 in  () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x0001000000000008 in  ()
#11 0x00007f503e5af8c8 in  ()
#12 0x00007f503e5af980 in  ()
#13 0x00007f503e5af988 in  ()
#14 0x00007f503e5afa08 in  ()
#15 0x00007f50de2a51b9 in __GI___libc_malloc (bytes=139982620260624) at 
./malloc/malloc.c:3329
#16 0x00007f503e5afa08 in  ()
#17 0x00007f503e5af940 in  ()
#18 0x00007f50d353fb6c in  () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#19 0x000055b2815b9eb0 in  ()
#20 0x00007f503e5afa50 in  ()
#21 0x00007f503e5af980 in  ()
#22 0x00007f503e5af988 in  ()
#23 0x00007f503e5af9f0 in  ()
#24 0x00007f50d3517ce6 in  () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#25 0x0000000000000000 in  ()

Thread 12 (Thread 0x7f50a9f2e640 (LWP 282533) "ThreadPoolServi"):
#1  0x00007f50de277845 in buffered_vfprintf (s=0x7f50de41a6a0 
<_IO_2_1_stderr_>, format=format@entry=0x7f50c74e8c85 "[%s] %s\n", 
args=args@entry=0x7f50a9f1c1e0, mode_flags=mode_flags@entry=2) at 
./stdio-common/vfprintf-internal.c:2265
#2  0x00007f50de2766de in __vfprintf_internal (s=<optimized out>, 
format=0x7f50c74e8c85 "[%s] %s\n", ap=ap@entry=0x7f50a9f1c1e0, mode_flags=2) at 
./stdio-common/vfprintf-internal.c:1236
#3  0x00007f50de334ec3 in ___fprintf_chk (fp=<optimized out>, flag=<optimized 
out>, format=<optimized out>) at ./debug/fprintf_chk.c:33
#4  0x00007f50c74cd37e in event_logv_ () at 
/lib/x86_64-linux-gnu/libevent-2.1.so.7
#5  0x00007f50c74cd549 in event_warn () at 
/lib/x86_64-linux-gnu/libevent-2.1.so.7
#6  0x00007f50c74d223c in  () at /lib/x86_64-linux-gnu/libevent-2.1.so.7
#7  0x00007f50c74c95d1 in event_base_loop () at 
/lib/x86_64-linux-gnu/libevent-2.1.so.7
#8  0x00007f50d357c624 in  () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x0001000000000008 in  ()
#10 0x00007f50a9f1c8e8 in  ()
#11 0x00007f50a9f1c930 in  ()
#12 0x00000000d00396dd in  ()
#13 0x0000000000000da1 in  ()
#14 0x00000000000dac9d in  ()
#15 0x000055b28176c5c0 in  ()
#16 0x000055b281602070 in  ()
#17 0x7fffffffffffffff in  ()
#18 0x0000000000000001 in  ()
#19 0x7fffffffffffffff in  ()
#20 0x000055b28176c5c0 in  ()
#21 0x00007f50a9f1c960 in  ()
#22 0x00007f50d353fb6c in  () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#23 0x000055b2816555f0 in  ()
#24 0x00007f50a9f1ca50 in  ()
#25 0x00007f50a9f1c9a0 in  ()
#26 0x00007f50a9f1c9a8 in  ()
#27 0x00007f50a9f1ca10 in  ()
#28 0x00007f50d3517ce6 in  () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#29 0x0000000000000000 in  ()

Thread 11 (Thread 0x7f503fb5b640 (LWP 282516) "Digikam::ExifTo"):
#1  __GI___libc_read (fd=33, buf=0x7f503fb498b0, nbytes=16) at 
../sysdeps/unix/sysv/linux/read.c:24
#2  0x00007f50d0121134 in g_main_context_check () at 
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f50d017619d in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f50d011e3e3 in g_main_context_iteration () at 
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f50ded1312e in 
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () 
at /lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f50decb875b in 
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at 
/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f50deacbaf2 in QThread::exec() () at 
/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f50e0562869 in Digikam::ExifToolThread::run() () at 
/usr/lib/digikam/libdigikamcore.so.8.1.0
#9  0x00007f50deaccca1 in  () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#10 0x00007f50de294b43 in start_thread (arg=<optimized out>) at 
./nptl/pthread_create.c:442
#11 0x00007f50de326a00 in clone3 () at 
../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 10 (Thread 0x7f504035c640 (LWP 282515) "Qt bearer threa"):
#1  __libc_recv (fd=6, buf=0x7f5038011ab8, len=8192, flags=0) at 
../sysdeps/unix/sysv/linux/recv.c:23
#2  0x00007f50da53850d in  () at /lib/x86_64-linux-gnu/libQt5Network.so.5
#3  0x00007f50da528244 in  () at /lib/x86_64-linux-gnu/libQt5Network.so.5
#4  0x00007f50da5294d5 in QNetworkInterface::allInterfaces() () at 
/lib/x86_64-linux-gnu/libQt5Network.so.5
#5  0x00007f507407889f in  () at 
/usr/lib/x86_64-linux-gnu/qt5/plugins/bearer/libqgenericbearer.so
#6  0x00007f50decc525b in QMetaMethod::invoke(QObject*, Qt::ConnectionType, 
QGenericReturnArgument, QGenericArgument, QGenericArgument, QGenericArgument, 
QGenericArgument, QGenericArgument, QGenericArgument, QGenericArgument, 
QGenericArgument, QGenericArgument, QGenericArgument) const () at 
/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f50decca126 in QMetaObject::invokeMethod(QObject*, char const*, 
Qt::ConnectionType, QGenericReturnArgument, QGenericArgument, QGenericArgument, 
QGenericArgument, QGenericArgument, QGenericArgument, QGenericArgument, 
QGenericArgument, QGenericArgument, QGenericArgument, QGenericArgument) () at 
/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f50da514570 in 
QNetworkConfigurationManagerPrivate::performAsyncConfigurationUpdate() () at 
/lib/x86_64-linux-gnu/libQt5Network.so.5
#9  0x00007f50da514772 in QNetworkConfigurationManagerPrivate::startPolling() 
() at /lib/x86_64-linux-gnu/libQt5Network.so.5
#10 0x00007f50da514e18 in 
QNetworkConfigurationManagerPrivate::updateConfigurations() () at 
/lib/x86_64-linux-gnu/libQt5Network.so.5
#11 0x00007f50dece741e in QObject::event(QEvent*) () at 
/lib/x86_64-linux-gnu/libQt5Core.so.5
#12 0x00007f50decb9e07 in QCoreApplication::notifyInternal2(QObject*, QEvent*) 
() at /lib/x86_64-linux-gnu/libQt5Core.so.5
#13 0x00007f50decbcf27 in QCoreApplicationPrivate::sendPostedEvents(QObject*, 
int, QThreadData*) () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#14 0x00007f50ded13a67 in  () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#15 0x00007f50d0120d3b in g_main_context_dispatch () at 
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#16 0x00007f50d0176258 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#17 0x00007f50d011e3e3 in g_main_context_iteration () at 
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#18 0x00007f50ded130b8 in 
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () 
at /lib/x86_64-linux-gnu/libQt5Core.so.5
#19 0x00007f50decb875b in 
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at 
/lib/x86_64-linux-gnu/libQt5Core.so.5
#20 0x00007f50deacbaf2 in QThread::exec() () at 
/lib/x86_64-linux-gnu/libQt5Core.so.5
#21 0x00007f50deaccca1 in  () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#22 0x00007f50de294b43 in start_thread (arg=<optimized out>) at 
./nptl/pthread_create.c:442
#23 0x00007f50de326a00 in clone3 () at 
../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 9 (Thread 0x7f5053fff640 (LWP 282514) "Thread (pooled)"):
#1  __futex_abstimed_wait_common (cancel=true, private=544, 
abstime=0x7f5053fed9f0, clockid=0, expected=0, futex_word=0x55b28162b8f4) at 
./nptl/futex-internal.c:87
#2  __GI___futex_abstimed_wait_cancelable64 
(futex_word=futex_word@entry=0x55b28162b8f4, expected=expected@entry=0, 
clockid=clockid@entry=1, abstime=abstime@entry=0x7f5053fed9f0, 
private=private@entry=0) at ./nptl/futex-internal.c:139
#3  0x00007f50de293f1b in __pthread_cond_wait_common (abstime=0x7f5053fed9f0, 
clockid=1, mutex=0x55b28162b8a0, cond=0x55b28162b8c8) at 
./nptl/pthread_cond_wait.c:503
#4  ___pthread_cond_timedwait64 (cond=0x55b28162b8c8, mutex=0x55b28162b8a0, 
abstime=0x7f5053fed9f0) at ./nptl/pthread_cond_wait.c:652
#5  0x00007f50dead2c7c in QWaitCondition::wait(QMutex*, QDeadlineTimer) () at 
/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f50dead0145 in  () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f50deaccca1 in  () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f50de294b43 in start_thread (arg=<optimized out>) at 
./nptl/pthread_create.c:442
#9  0x00007f50de326a00 in clone3 () at 
../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 8 (Thread 0x7f5068fff640 (LWP 282513) "Thread (pooled)"):
#1  __futex_abstimed_wait_common (cancel=true, private=16711935, 
abstime=0x7f5068fed9f0, clockid=1086324736, expected=0, 
futex_word=0x55b281604980) at ./nptl/futex-internal.c:87
#2  __GI___futex_abstimed_wait_cancelable64 
(futex_word=futex_word@entry=0x55b281604980, expected=expected@entry=0, 
clockid=clockid@entry=1, abstime=abstime@entry=0x7f5068fed9f0, 
private=private@entry=0) at ./nptl/futex-internal.c:139
#3  0x00007f50de293f1b in __pthread_cond_wait_common (abstime=0x7f5068fed9f0, 
clockid=1, mutex=0x55b281604930, cond=0x55b281604958) at 
./nptl/pthread_cond_wait.c:503
#4  ___pthread_cond_timedwait64 (cond=0x55b281604958, mutex=0x55b281604930, 
abstime=0x7f5068fed9f0) at ./nptl/pthread_cond_wait.c:652
#5  0x00007f50dead2c7c in QWaitCondition::wait(QMutex*, QDeadlineTimer) () at 
/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f50dead0145 in  () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f50deaccca1 in  () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f50de294b43 in start_thread (arg=<optimized out>) at 
./nptl/pthread_create.c:442
#9  0x00007f50de326a00 in clone3 () at 
../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 7 (Thread 0x7f5074b6c640 (LWP 282512) "Thread (pooled)"):
#1  __futex_abstimed_wait_common (cancel=true, private=544, 
abstime=0x7f5074b5a9f0, clockid=0, expected=0, futex_word=0x7f5070053104) at 
./nptl/futex-internal.c:87
#2  __GI___futex_abstimed_wait_cancelable64 
(futex_word=futex_word@entry=0x7f5070053104, expected=expected@entry=0, 
clockid=clockid@entry=1, abstime=abstime@entry=0x7f5074b5a9f0, 
private=private@entry=0) at ./nptl/futex-internal.c:139
#3  0x00007f50de293f1b in __pthread_cond_wait_common (abstime=0x7f5074b5a9f0, 
clockid=1, mutex=0x7f50700530b0, cond=0x7f50700530d8) at 
./nptl/pthread_cond_wait.c:503
#4  ___pthread_cond_timedwait64 (cond=0x7f50700530d8, mutex=0x7f50700530b0, 
abstime=0x7f5074b5a9f0) at ./nptl/pthread_cond_wait.c:652
#5  0x00007f50dead2c7c in QWaitCondition::wait(QMutex*, QDeadlineTimer) () at 
/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f50dead0145 in  () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f50deaccca1 in  () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f50de294b43 in start_thread (arg=<optimized out>) at 
./nptl/pthread_create.c:442
#9  0x00007f50de326a00 in clone3 () at 
../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 6 (Thread 0x7f5075bfd640 (LWP 282511) "Thread (pooled)"):
#1  __futex_abstimed_wait_common (cancel=true, private=400, 
abstime=0x7f5075beb9f0, clockid=112, expected=0, futex_word=0x55b281609b14) at 
./nptl/futex-internal.c:87
#2  __GI___futex_abstimed_wait_cancelable64 
(futex_word=futex_word@entry=0x55b281609b14, expected=expected@entry=0, 
clockid=clockid@entry=1, abstime=abstime@entry=0x7f5075beb9f0, 
private=private@entry=0) at ./nptl/futex-internal.c:139
#3  0x00007f50de293f1b in __pthread_cond_wait_common (abstime=0x7f5075beb9f0, 
clockid=1, mutex=0x55b281609ac0, cond=0x55b281609ae8) at 
./nptl/pthread_cond_wait.c:503
#4  ___pthread_cond_timedwait64 (cond=0x55b281609ae8, mutex=0x55b281609ac0, 
abstime=0x7f5075beb9f0) at ./nptl/pthread_cond_wait.c:652
#5  0x00007f50dead2c7c in QWaitCondition::wait(QMutex*, QDeadlineTimer) () at 
/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f50dead0145 in  () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f50deaccca1 in  () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f50de294b43 in start_thread (arg=<optimized out>) at 
./nptl/pthread_create.c:442
#9  0x00007f50de326a00 in clone3 () at 
../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 5 (Thread 0x7f50763fe640 (LWP 282509) "digikam"):
#1  __pselect (nfds=6, readfds=0x7f50763e4980, writefds=0x0, exceptfds=0x0, 
timeout=<optimized out>, sigmask=<optimized out>) at 
../sysdeps/unix/sysv/linux/pselect.c:56
#2  0x00007f50c6a3f03d in  () at /lib/x86_64-linux-gnu/libusbmuxd-2.0.so.6
#3  0x00007f50c6a3fd88 in  () at /lib/x86_64-linux-gnu/libusbmuxd-2.0.so.6
#4  0x00007f50de294b43 in start_thread (arg=<optimized out>) at 
./nptl/pthread_create.c:442
#5  0x00007f50de326a00 in clone3 () at 
../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 4 (Thread 0x7f5076bff640 (LWP 282508) "Digikam::ScanCo"):
#1  0x00007f50de2e676c in __GI___readdir64 (dirp=0x7f505c25ea50) at 
../sysdeps/unix/sysv/linux/readdir64.c:51
#2  0x00007f50dec4ad1a in  () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#3  0x00007f50debd7e7d in  () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f50debd874f in  () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f50debd8ed0 in QDirIterator::QDirIterator(QString const&, 
QStringList const&, QFlags<QDir::Filter>, QFlags<QDirIterator::IteratorFlag>) 
() at /lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f50debd215c in QDir::entryList(QStringList const&, 
QFlags<QDir::Filter>, QFlags<QDir::SortFlag>) const () at 
/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f50debd2440 in QDir::entryList(QFlags<QDir::Filter>, 
QFlags<QDir::SortFlag>) const () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f50e107da19 in 
Digikam::CollectionScanner::scanForStaleAlbums(QList<int> const&) () at 
/usr/lib/digikam/libdigikamdatabase.so.8.1.0
#9  0x00007f50e107e42f in 
Digikam::CollectionScanner::scanForStaleAlbums(QList<Digikam::CollectionLocation>
 const&) () at /usr/lib/digikam/libdigikamdatabase.so.8.1.0
#10 0x00007f50e1081b4e in Digikam::CollectionScanner::completeScan() () at 
/usr/lib/digikam/libdigikamdatabase.so.8.1.0
#11 0x00007f50e16eaf95 in Digikam::ScanController::run() () at 
/usr/lib/digikam/libdigikamgui.so.8.1.0
#12 0x00007f50deaccca1 in  () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#13 0x00007f50de294b43 in start_thread (arg=<optimized out>) at 
./nptl/pthread_create.c:442
#14 0x00007f50de326a00 in clone3 () at 
../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 3 (Thread 0x7f5077fff640 (LWP 282507) "digikam:disk$0"):
#1  __futex_abstimed_wait_common (cancel=true, private=0, abstime=0x0, 
clockid=0, expected=0, futex_word=0x55b28135dbc8) at ./nptl/futex-internal.c:87
#2  __GI___futex_abstimed_wait_cancelable64 
(futex_word=futex_word@entry=0x55b28135dbc8, expected=expected@entry=0, 
clockid=clockid@entry=0, abstime=abstime@entry=0x0, private=private@entry=0) at 
./nptl/futex-internal.c:139
#3  0x00007f50de293ac1 in __pthread_cond_wait_common (abstime=0x0, clockid=0, 
mutex=0x55b28135db78, cond=0x55b28135dba0) at ./nptl/pthread_cond_wait.c:503
#4  ___pthread_cond_wait (cond=0x55b28135dba0, mutex=0x55b28135db78) at 
./nptl/pthread_cond_wait.c:627
#5  0x00007f507c30f89d in  () at /usr/lib/x86_64-linux-gnu/dri/nouveau_dri.so
#6  0x00007f507c2bfb0b in  () at /usr/lib/x86_64-linux-gnu/dri/nouveau_dri.so
#7  0x00007f507c30f7cb in  () at /usr/lib/x86_64-linux-gnu/dri/nouveau_dri.so
#8  0x00007f50de294b43 in start_thread (arg=<optimized out>) at 
./nptl/pthread_create.c:442
#9  0x00007f50de326a00 in clone3 () at 
../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 2 (Thread 0x7f507ea69640 (LWP 282506) "QDBusConnection"):
#1  __GI___libc_read (fd=6, buf=0x7f507ea578a0, nbytes=16) at 
../sysdeps/unix/sysv/linux/read.c:24
#2  0x00007f50d0121134 in g_main_context_check () at 
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f50d017619d in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f50d011e3e3 in g_main_context_iteration () at 
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f50ded130b8 in 
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () 
at /lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f50decb875b in 
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at 
/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f50deacbaf2 in QThread::exec() () at 
/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f50ddd84f0b in  () at /lib/x86_64-linux-gnu/libQt5DBus.so.5
#9  0x00007f50deaccca1 in  () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#10 0x00007f50de294b43 in start_thread (arg=<optimized out>) at 
./nptl/pthread_create.c:442
#11 0x00007f50de326a00 in clone3 () at 
../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 1 (Thread 0x7f50bb74da80 (LWP 282496) "digikam"):
#1  0x00007f50deaccfe5 in QBasicMutex::lockInternal() () at 
/lib/x86_64-linux-gnu/libQt5Core.so.5
#2  0x00007f50deacd2f3 in  () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#3  0x00007f50da512fa9 in QNetworkConfigurationManagerPrivate::disablePolling() 
() at /lib/x86_64-linux-gnu/libQt5Network.so.5
#4  0x00007f50da5114c8 in 
QNetworkConfigurationManager::~QNetworkConfigurationManager() () at 
/lib/x86_64-linux-gnu/libQt5Network.so.5
#5  0x00007f50da49c3de in  () at /lib/x86_64-linux-gnu/libQt5Network.so.5
#6  0x00007f50da49c4dd in  () at /lib/x86_64-linux-gnu/libQt5Network.so.5
#7  0x00007f50da4967bd in QNetworkAccessManager::~QNetworkAccessManager() () at 
/lib/x86_64-linux-gnu/libQt5Network.so.5
#8  0x00007f50dece4a6e in QObjectPrivate::deleteChildren() () at 
/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007f50decef924 in QObject::~QObject() () at 
/lib/x86_64-linux-gnu/libQt5Core.so.5
#10 0x00007f50e05e5ecd in  () at /usr/lib/digikam/libdigikamcore.so.8.1.0
#11 0x00007f50de245495 in __run_exit_handlers (status=1, listp=0x7f50de419838 
<__exit_funcs>, run_list_atexit=run_list_atexit@entry=true, 
run_dtors=run_dtors@entry=true) at ./stdlib/exit.c:113
#12 0x00007f50de245610 in __GI_exit (status=<optimized out>) at 
./stdlib/exit.c:143
#13 0x00007f507f6c9e29 in  () at /lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#14 0x00007f507f6f8d67 in  () at /lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#15 0x00007f50d0120d3b in g_main_context_dispatch () at 
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#16 0x00007f50d0176258 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#17 0x00007f50d011e3e3 in g_main_context_iteration () at 
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#18 0x00007f50ded130b8 in 
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () 
at /lib/x86_64-linux-gnu/libQt5Core.so.5
#19 0x00007f50decb875b in 
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at 
/lib/x86_64-linux-gnu/libQt5Core.so.5
#20 0x00007f50e16ec8c0 in 
Digikam::ScanController::completeCollectionScanCore(bool, bool, bool) () at 
/usr/lib/digikam/libdigikamgui.so.8.1.0
#21 0x00007f50e1894c2b in Digikam::NewItemsFinder::slotStart() () at 
/usr/lib/digikam/libdigikamgui.so.8.1.0
#22 0x00007f50dece741e in QObject::event(QEvent*) () at 
/lib/x86_64-linux-gnu/libQt5Core.so.5
#23 0x00007f50df96c713 in QApplicationPrivate::notify_helper(QObject*, QEvent*) 
() at /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#24 0x00007f50decb9e3a in QCoreApplication::notifyInternal2(QObject*, QEvent*) 
() at /lib/x86_64-linux-gnu/libQt5Core.so.5
#25 0x00007f50decbcf27 in QCoreApplicationPrivate::sendPostedEvents(QObject*, 
int, QThreadData*) () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#26 0x00007f50ded13a67 in  () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#27 0x00007f50d0120d3b in g_main_context_dispatch () at 
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#28 0x00007f50d0176258 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#29 0x00007f50d011e3e3 in g_main_context_iteration () at 
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#30 0x00007f50ded130b8 in 
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () 
at /lib/x86_64-linux-gnu/libQt5Core.so.5
#31 0x00007f50decb875b in 
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at 
/lib/x86_64-linux-gnu/libQt5Core.so.5
#32 0x00007f50decc0cf4 in QCoreApplication::exec() () at 
/lib/x86_64-linux-gnu/libQt5Core.so.5
#33 0x000055b27f2cc9b4 in  ()
#34 0x00007f50de229d90 in __libc_start_call_main 
(main=main@entry=0x55b27f2cb850, argc=argc@entry=1, 
argv=argv@entry=0x7ffc8df6e5a8) at ../sysdeps/nptl/libc_start_call_main.h:58
#35 0x00007f50de229e40 in __libc_start_main_impl (main=0x55b27f2cb850, argc=1, 
argv=0x7ffc8df6e5a8, init=<optimized out>, fini=<optimized out>, 
rtld_fini=<optimized out>, stack_end=0x7ffc8df6e598) at ../csu/libc-start.c:392
#36 0x000055b27f2cd775 in  ()
[Inferior 1 (process 282496) detached]

-- 
You received this bug notification because you are a member of Ubuntu
Touch seeded packages, which is subscribed to systemd in Ubuntu.
https://bugs.launchpad.net/bugs/2035406

Title:
  udev update has broken ubuntu's ability to import photos in digikam,
  gphoto2 can no longer see usb camera, entangle can no longer see
  camera

Status in systemd package in Ubuntu:
  Invalid
Status in systemd source package in Jammy:
  Incomplete
Status in systemd source package in Lunar:
  Invalid
Status in systemd source package in Mantic:
  Invalid

Bug description:
  udev update has broken ubuntu's ability to import photos in digikam, gphoto2 
can no longer see usb camera, entangle can no longer see camera 
  after Upgrade: udev:amd64 (249.11-0ubuntu3.9, 249.11-0ubuntu3.10), 
systemd-timesyncd:amd64 (249.11-0ubuntu3.9, 249.11-0ubuntu3.10), 
libpam-systemd:amd64 (249.11-0ubuntu3.9, 249.11-0ubuntu3.10), 
libpam-systemd:i386 (249.11-0ubuntu3.9, 249.11-0ubuntu3.10), libsystemd0:amd64 
(249.11-0ubuntu3.9, 249.11-0ubuntu3.10), libsystemd0:i386 (249.11-0ubuntu3.9, 
249.11-0ubuntu3.10), libnss-systemd:amd64 (249.11-0ubuntu3.9, 
249.11-0ubuntu3.10), libudev-dev:amd64 (249.11-0ubuntu3.9, 249.11-0ubuntu3.10), 
systemd:amd64 (249.11-0ubuntu3.9, 249.11-0ubuntu3.10), libudev1:amd64 
(249.11-0ubuntu3.9, 249.11-0ubuntu3.10), libudev1:i386 (249.11-0ubuntu3.9, 
249.11-0ubuntu3.10), systemd-sysv:amd64 (249.11-0ubuntu3.9, 249.11-0ubuntu3.10) 
ubuntu no longer allows gphoto2 or entangle control of my dslr, lsusb sees the 
camera fine, but the upgrade broke the usage, and cant roll back shows it will 
break system to roll back please fix ASAP.

  ProblemType: Bug
  DistroRelease: Ubuntu 22.04
  Package: udev 249.11-0ubuntu3.10
  ProcVersionSignature: Ubuntu 6.2.0-1009.9~22.04.1-lowlatency 6.2.13
  Uname: Linux 6.2.0-1009-lowlatency x86_64
  NonfreeKernelModules: wl
  ApportVersion: 2.20.11-0ubuntu82.5
  Architecture: amd64
  CasperMD5CheckResult: unknown
  CurrentDesktop: KDE
  Date: Wed Sep 13 18:16:14 2023
  InstallationDate: Installed on 2023-08-23 (21 days ago)
  InstallationMedia: Ubuntu-Studio 22.04.3 LTS "Jammy Jellyfish" - Release 
amd64 (20230807)
  MachineType: Alienware Alienware 18
  ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-6.2.0-1009-lowlatency 
root=UUID=17502284-0952-44fe-81f8-54cebffc3800 ro threadirqs quiet splash 
vt.handoff=1
  SourcePackage: systemd
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 07/22/2019
  dmi.bios.vendor: Alienware
  dmi.bios.version: A15
  dmi.board.name: 0FT9KT
  dmi.board.vendor: Alienware
  dmi.board.version: A00
  dmi.chassis.type: 8
  dmi.chassis.vendor: Alienware
  dmi.chassis.version: A15
  dmi.ec.firmware.release: 1.1
  dmi.modalias: 
dmi:bvnAlienware:bvrA15:bd07/22/2019:efr1.1:svnAlienware:pnAlienware18:pvrA15:rvnAlienware:rn0FT9KT:rvrA00:cvnAlienware:ct8:cvrA15:skuAlienware18:
  dmi.product.family: 00
  dmi.product.name: Alienware 18
  dmi.product.sku: Alienware 18
  dmi.product.version: A15
  dmi.sys.vendor: Alienware

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