Thread 72 (Thread 0x7f6e43cae700 (LWP 37324)):
#0  0x00007f6ef8c3271d in syscall () at /usr/lib/libc.so.6
#1  0x00007f6efba280c2 in QSemaphore::acquire(int) () at /usr/lib/libQt5Core.so.5
#2  0x00007f6efc035256 in  () at /usr/lib/libQt5Gui.so.5
#3  0x00007f6efc3001cf in  () at /usr/lib/libQt5Gui.so.5
#4  0x00007f6efc0c8635 in QImage::smoothScaled(int, int) const () at /usr/lib/libQt5Gui.so.5
#5  0x00007f6efc0cb798 in QImage::transformed(QTransform const&, Qt::TransformationMode) const () at /usr/lib/libQt5Gui.so.5
#6  0x00007f6efc0cbed5 in QImage::scaledToWidth(int, Qt::TransformationMode) const () at /usr/lib/libQt5Gui.so.5
#7  0x000055717bf98a78 in  ()
#8  0x000055717bf9aeeb in  ()
#9  0x00007f6efba29de2 in  () at /usr/lib/libQt5Core.so.5
#10 0x00007f6efba25e0f in  () at /usr/lib/libQt5Core.so.5
#11 0x00007f6efb481422 in start_thread () at /usr/lib/libpthread.so.0
#12 0x00007f6ef8c37bf3 in clone () at /usr/lib/libc.so.6

Thread 71 (Thread 0x7f6e42cac700 (LWP 37323)):
#0  0x00007f6ef8c3271d in syscall () at /usr/lib/libc.so.6
#1  0x00007f6efba280c2 in QSemaphore::acquire(int) () at /usr/lib/libQt5Core.so.5
#2  0x00007f6efc035256 in  () at /usr/lib/libQt5Gui.so.5
#3  0x00007f6efc3001cf in  () at /usr/lib/libQt5Gui.so.5
#4  0x00007f6efc0c8635 in QImage::smoothScaled(int, int) const () at /usr/lib/libQt5Gui.so.5
#5  0x00007f6efc0cb798 in QImage::transformed(QTransform const&, Qt::TransformationMode) const () at /usr/lib/libQt5Gui.so.5
#6  0x00007f6efc0cbed5 in QImage::scaledToWidth(int, Qt::TransformationMode) const () at /usr/lib/libQt5Gui.so.5
#7  0x000055717bf98a78 in  ()
#8  0x000055717bf9aeeb in  ()
#9  0x00007f6efba29de2 in  () at /usr/lib/libQt5Core.so.5
#10 0x00007f6efba25e0f in  () at /usr/lib/libQt5Core.so.5
#11 0x00007f6efb481422 in start_thread () at /usr/lib/libpthread.so.0
#12 0x00007f6ef8c37bf3 in clone () at /usr/lib/libc.so.6

Thread 70 (Thread 0x7f6e3ffa3700 (LWP 36868)):
#0  0x00007f6ef8c3271d in syscall () at /usr/lib/libc.so.6
#1  0x00007f6efba280c2 in QSemaphore::acquire(int) () at /usr/lib/libQt5Core.so.5
#2  0x00007f6efc035256 in  () at /usr/lib/libQt5Gui.so.5
#3  0x00007f6efc3001cf in  () at /usr/lib/libQt5Gui.so.5
#4  0x00007f6efc0c8635 in QImage::smoothScaled(int, int) const () at /usr/lib/libQt5Gui.so.5
#5  0x00007f6efc0cb798 in QImage::transformed(QTransform const&, Qt::TransformationMode) const () at /usr/lib/libQt5Gui.so.5
#6  0x00007f6efc0cbed5 in QImage::scaledToWidth(int, Qt::TransformationMode) const () at /usr/lib/libQt5Gui.so.5
#7  0x000055717bf98a78 in  ()
#8  0x000055717bf9aeeb in  ()
#9  0x00007f6efba29de2 in  () at /usr/lib/libQt5Core.so.5
#10 0x00007f6efba25e0f in  () at /usr/lib/libQt5Core.so.5
#11 0x00007f6efb481422 in start_thread () at /usr/lib/libpthread.so.0
#12 0x00007f6ef8c37bf3 in clone () at /usr/lib/libc.so.6

Thread 69 (Thread 0x7f6e40c5f700 (LWP 36867)):
#0  0x00007f6ef8c3271d in syscall () at /usr/lib/libc.so.6
#1  0x00007f6efba280c2 in QSemaphore::acquire(int) () at /usr/lib/libQt5Core.so.5
#2  0x00007f6efc035256 in  () at /usr/lib/libQt5Gui.so.5
#3  0x00007f6efc3001cf in  () at /usr/lib/libQt5Gui.so.5
#4  0x00007f6efc0c8635 in QImage::smoothScaled(int, int) const () at /usr/lib/libQt5Gui.so.5
#5  0x00007f6efc0cb798 in QImage::transformed(QTransform const&, Qt::TransformationMode) const () at /usr/lib/libQt5Gui.so.5
#6  0x00007f6efc0cbed5 in QImage::scaledToWidth(int, Qt::TransformationMode) const () at /usr/lib/libQt5Gui.so.5
#7  0x000055717bf98a78 in  ()
#8  0x000055717bf9aeeb in  ()
#9  0x00007f6efba29de2 in  () at /usr/lib/libQt5Core.so.5
#10 0x00007f6efba25e0f in  () at /usr/lib/libQt5Core.so.5
#11 0x00007f6efb481422 in start_thread () at /usr/lib/libpthread.so.0
#12 0x00007f6ef8c37bf3 in clone () at /usr/lib/libc.so.6

Thread 68 (Thread 0x7f6e41caa700 (LWP 36866)):
#0  0x00007f6ef8c3271d in syscall () at /usr/lib/libc.so.6
#1  0x00007f6efba280c2 in QSemaphore::acquire(int) () at /usr/lib/libQt5Core.so.5
#2  0x00007f6efc035256 in  () at /usr/lib/libQt5Gui.so.5
#3  0x00007f6efc3001cf in  () at /usr/lib/libQt5Gui.so.5
#4  0x00007f6efc0c8635 in QImage::smoothScaled(int, int) const () at /usr/lib/libQt5Gui.so.5
#5  0x00007f6efc0cb798 in QImage::transformed(QTransform const&, Qt::TransformationMode) const () at /usr/lib/libQt5Gui.so.5
#6  0x00007f6efc0cbed5 in QImage::scaledToWidth(int, Qt::TransformationMode) const () at /usr/lib/libQt5Gui.so.5
#7  0x000055717bf98a78 in  ()
#8  0x000055717bf9aeeb in  ()
#9  0x00007f6efba29de2 in  () at /usr/lib/libQt5Core.so.5
#10 0x00007f6efba25e0f in  () at /usr/lib/libQt5Core.so.5
#11 0x00007f6efb481422 in start_thread () at /usr/lib/libpthread.so.0
#12 0x00007f6ef8c37bf3 in clone () at /usr/lib/libc.so.6

Thread 67 (Thread 0x7f6e424ab700 (LWP 36830)):
#0  0x00007f6ef8c3271d in syscall () at /usr/lib/libc.so.6
#1  0x00007f6efba280c2 in QSemaphore::acquire(int) () at /usr/lib/libQt5Core.so.5
#2  0x00007f6efc035256 in  () at /usr/lib/libQt5Gui.so.5
#3  0x00007f6efc3001cf in  () at /usr/lib/libQt5Gui.so.5
#4  0x00007f6efc0c8635 in QImage::smoothScaled(int, int) const () at /usr/lib/libQt5Gui.so.5
#5  0x00007f6efc0cb798 in QImage::transformed(QTransform const&, Qt::TransformationMode) const () at /usr/lib/libQt5Gui.so.5
#6  0x00007f6efc0cbed5 in QImage::scaledToWidth(int, Qt::TransformationMode) const () at /usr/lib/libQt5Gui.so.5
#7  0x000055717bf98a78 in  ()
#8  0x000055717bf9aeeb in  ()
#9  0x00007f6efba29de2 in  () at /usr/lib/libQt5Core.so.5
#10 0x00007f6efba25e0f in  () at /usr/lib/libQt5Core.so.5
#11 0x00007f6efb481422 in start_thread () at /usr/lib/libpthread.so.0
#12 0x00007f6ef8c37bf3 in clone () at /usr/lib/libc.so.6

Thread 66 (Thread 0x7f6e450bf700 (LWP 36473)):
#0  0x00007f6ef8bff571 in clock_nanosleep@GLIBC_2.2.5 () at /usr/lib/libc.so.6
#1  0x00007f6ef8c04e87 in nanosleep () at /usr/lib/libc.so.6
#2  0x00007f6efbc62b6f in  () at /usr/lib/libQt5Core.so.5
#3  0x000055717c20a353 in  ()
#4  0x000055717c202902 in  ()
#5  0x00007f6efba25e0f in  () at /usr/lib/libQt5Core.so.5
#6  0x00007f6efb481422 in start_thread () at /usr/lib/libpthread.so.0
#7  0x00007f6ef8c37bf3 in clone () at /usr/lib/libc.so.6

Thread 65 (Thread 0x7f6e45f5b700 (LWP 36469)):
#0  0x00007f6efb487e32 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f6eed4d767c in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f6eed4d6078 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f6efb481422 in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f6ef8c37bf3 in clone () at /usr/lib/libc.so.6

Thread 64 (Thread 0x7f6e46b5f700 (LWP 36468)):
#0  0x00007f6efb487e32 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f6eed4d767c in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f6eed4d6078 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f6efb481422 in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f6ef8c37bf3 in clone () at /usr/lib/libc.so.6

Thread 63 (Thread 0x7f6e47767700 (LWP 36467)):
#0  0x00007f6efb487e32 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f6eed4d767c in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f6eed4d6078 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f6efb481422 in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f6ef8c37bf3 in clone () at /usr/lib/libc.so.6

Thread 62 (Thread 0x7f6e4846d700 (LWP 36466)):
#0  0x00007f6efb487e32 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f6eed4d767c in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f6eed4d6078 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f6efb481422 in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f6ef8c37bf3 in clone () at /usr/lib/libc.so.6

Thread 61 (Thread 0x7f6e49075700 (LWP 36465)):
#0  0x00007f6efb487e32 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f6eed4d767c in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f6eed4d6078 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f6efb481422 in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f6ef8c37bf3 in clone () at /usr/lib/libc.so.6

Thread 60 (Thread 0x7f6e49c78700 (LWP 36464)):
#0  0x00007f6efb487e32 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f6eed4d767c in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f6eed4d6078 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f6efb481422 in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f6ef8c37bf3 in clone () at /usr/lib/libc.so.6

Thread 59 (Thread 0x7f6e4a986700 (LWP 36462)):
#0  0x00007f6efb487e32 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f6eed4d767c in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f6eed4d6078 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f6efb481422 in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f6ef8c37bf3 in clone () at /usr/lib/libc.so.6

Thread 58 (Thread 0x7f6e4b587700 (LWP 36461)):
#0  0x00007f6efb487e32 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f6eed4d767c in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f6eed4d6078 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f6efb481422 in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f6ef8c37bf3 in clone () at /usr/lib/libc.so.6

Thread 57 (Thread 0x7f6e4c18f700 (LWP 36460)):
#0  0x00007f6efb487e32 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f6eed4d767c in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f6eed4d6078 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f6efb481422 in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f6ef8c37bf3 in clone () at /usr/lib/libc.so.6

Thread 56 (Thread 0x7f6e4ce99700 (LWP 36459)):
#0  0x00007f6efb487e32 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f6eed4d767c in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f6eed4d6078 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f6efb481422 in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f6ef8c37bf3 in clone () at /usr/lib/libc.so.6

Thread 55 (Thread 0x7f6e4da9d700 (LWP 36458)):
#0  0x00007f6efb487e32 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f6eed4d767c in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f6eed4d6078 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f6efb481422 in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f6ef8c37bf3 in clone () at /usr/lib/libc.so.6

Thread 54 (Thread 0x7f6e4e6a3700 (LWP 36457)):
#0  0x00007f6efb487e32 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f6eed4d767c in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f6eed4d6078 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f6efb481422 in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f6ef8c37bf3 in clone () at /usr/lib/libc.so.6

Thread 53 (Thread 0x7f6e4eea4700 (LWP 36456)):
#0  0x00007f6ef8c3271d in syscall () at /usr/lib/libc.so.6
#1  0x00007f6efba280c2 in QSemaphore::acquire(int) () at /usr/lib/libQt5Core.so.5
#2  0x000055717be5ab8c in  ()
#3  0x00007f6efba25e0f in  () at /usr/lib/libQt5Core.so.5
#4  0x00007f6efb481422 in start_thread () at /usr/lib/libpthread.so.0
#5  0x00007f6ef8c37bf3 in clone () at /usr/lib/libc.so.6

Thread 52 (Thread 0x7f6e4f6a5700 (LWP 36455)):
#0  0x00007f6ef8c3271d in syscall () at /usr/lib/libc.so.6
#1  0x00007f6efba280c2 in QSemaphore::acquire(int) () at /usr/lib/libQt5Core.so.5
#2  0x000055717be5ab8c in  ()
#3  0x00007f6efba25e0f in  () at /usr/lib/libQt5Core.so.5
#4  0x00007f6efb481422 in start_thread () at /usr/lib/libpthread.so.0
#5  0x00007f6ef8c37bf3 in clone () at /usr/lib/libc.so.6

Thread 51 (Thread 0x7f6e4fea6700 (LWP 36454)):
#0  0x00007f6ef8c3271d in syscall () at /usr/lib/libc.so.6
#1  0x00007f6efba280c2 in QSemaphore::acquire(int) () at /usr/lib/libQt5Core.so.5
#2  0x000055717be5ab8c in  ()
#3  0x00007f6efba25e0f in  () at /usr/lib/libQt5Core.so.5
#4  0x00007f6efb481422 in start_thread () at /usr/lib/libpthread.so.0
#5  0x00007f6ef8c37bf3 in clone () at /usr/lib/libc.so.6

Thread 50 (Thread 0x7f6e506a7700 (LWP 36453)):
#0  0x00007f6ef8c3271d in syscall () at /usr/lib/libc.so.6
#1  0x00007f6efba280c2 in QSemaphore::acquire(int) () at /usr/lib/libQt5Core.so.5
#2  0x000055717be5ab8c in  ()
#3  0x00007f6efba25e0f in  () at /usr/lib/libQt5Core.so.5
#4  0x00007f6efb481422 in start_thread () at /usr/lib/libpthread.so.0
#5  0x00007f6ef8c37bf3 in clone () at /usr/lib/libc.so.6

Thread 49 (Thread 0x7f6e50ea8700 (LWP 36451)):
#0  0x00007f6ef8c3271d in syscall () at /usr/lib/libc.so.6
#1  0x00007f6efba280c2 in QSemaphore::acquire(int) () at /usr/lib/libQt5Core.so.5
#2  0x000055717be5ab8c in  ()
#3  0x00007f6efba25e0f in  () at /usr/lib/libQt5Core.so.5
#4  0x00007f6efb481422 in start_thread () at /usr/lib/libpthread.so.0
#5  0x00007f6ef8c37bf3 in clone () at /usr/lib/libc.so.6

Thread 48 (Thread 0x7f6e516a9700 (LWP 36450)):
#0  0x00007f6ef8c3271d in syscall () at /usr/lib/libc.so.6
#1  0x00007f6efba280c2 in QSemaphore::acquire(int) () at /usr/lib/libQt5Core.so.5
#2  0x000055717be5ab8c in  ()
#3  0x00007f6efba25e0f in  () at /usr/lib/libQt5Core.so.5
#4  0x00007f6efb481422 in start_thread () at /usr/lib/libpthread.so.0
#5  0x00007f6ef8c37bf3 in clone () at /usr/lib/libc.so.6

Thread 47 (Thread 0x7f6e51eaa700 (LWP 36449)):
#0  0x00007f6ef8c3271d in syscall () at /usr/lib/libc.so.6
#1  0x00007f6efba280c2 in QSemaphore::acquire(int) () at /usr/lib/libQt5Core.so.5
#2  0x000055717be5ab8c in  ()
#3  0x00007f6efba25e0f in  () at /usr/lib/libQt5Core.so.5
#4  0x00007f6efb481422 in start_thread () at /usr/lib/libpthread.so.0
#5  0x00007f6ef8c37bf3 in clone () at /usr/lib/libc.so.6

Thread 46 (Thread 0x7f6e526ab700 (LWP 36448)):
#0  0x00007f6ef8c3271d in syscall () at /usr/lib/libc.so.6
#1  0x00007f6efba280c2 in QSemaphore::acquire(int) () at /usr/lib/libQt5Core.so.5
#2  0x000055717be5ab8c in  ()
#3  0x00007f6efba25e0f in  () at /usr/lib/libQt5Core.so.5
#4  0x00007f6efb481422 in start_thread () at /usr/lib/libpthread.so.0
#5  0x00007f6ef8c37bf3 in clone () at /usr/lib/libc.so.6

Thread 45 (Thread 0x7f6e52eac700 (LWP 36447)):
#0  0x00007f6ef8c3271d in syscall () at /usr/lib/libc.so.6
#1  0x00007f6efba280c2 in QSemaphore::acquire(int) () at /usr/lib/libQt5Core.so.5
#2  0x000055717be5ab8c in  ()
#3  0x00007f6efba25e0f in  () at /usr/lib/libQt5Core.so.5
#4  0x00007f6efb481422 in start_thread () at /usr/lib/libpthread.so.0
#5  0x00007f6ef8c37bf3 in clone () at /usr/lib/libc.so.6

Thread 44 (Thread 0x7f6e536ad700 (LWP 36446)):
#0  0x00007f6ef8c3271d in syscall () at /usr/lib/libc.so.6
#1  0x00007f6efba280c2 in QSemaphore::acquire(int) () at /usr/lib/libQt5Core.so.5
#2  0x000055717be5ab8c in  ()
#3  0x00007f6efba25e0f in  () at /usr/lib/libQt5Core.so.5
#4  0x00007f6efb481422 in start_thread () at /usr/lib/libpthread.so.0
#5  0x00007f6ef8c37bf3 in clone () at /usr/lib/libc.so.6

Thread 43 (Thread 0x7f6e53eae700 (LWP 36445)):
#0  0x00007f6ef8c3271d in syscall () at /usr/lib/libc.so.6
#1  0x00007f6efba280c2 in QSemaphore::acquire(int) () at /usr/lib/libQt5Core.so.5
#2  0x000055717be5ab8c in  ()
#3  0x00007f6efba25e0f in  () at /usr/lib/libQt5Core.so.5
#4  0x00007f6efb481422 in start_thread () at /usr/lib/libpthread.so.0
#5  0x00007f6ef8c37bf3 in clone () at /usr/lib/libc.so.6

Thread 42 (Thread 0x7f6e546af700 (LWP 36444)):
#0  0x00007f6ef8c3271d in syscall () at /usr/lib/libc.so.6
#1  0x00007f6efba280c2 in QSemaphore::acquire(int) () at /usr/lib/libQt5Core.so.5
#2  0x000055717be5ab8c in  ()
#3  0x00007f6efba25e0f in  () at /usr/lib/libQt5Core.so.5
#4  0x00007f6efb481422 in start_thread () at /usr/lib/libpthread.so.0
#5  0x00007f6ef8c37bf3 in clone () at /usr/lib/libc.so.6

Thread 41 (Thread 0x7f6e5537b700 (LWP 36443)):
#0  0x00007f6ef8c2d05f in poll () at /usr/lib/libc.so.6
#1  0x00007f6efb469803 in  () at /usr/lib/libusb-1.0.so.0
#2  0x00007f6efb481422 in start_thread () at /usr/lib/libpthread.so.0
#3  0x00007f6ef8c37bf3 in clone () at /usr/lib/libc.so.6

Thread 40 (Thread 0x7f6e55b7c700 (LWP 36442)):
#0  0x00007f6ef8c3271d in syscall () at /usr/lib/libc.so.6
#1  0x00007f6efba280c2 in QSemaphore::acquire(int) () at /usr/lib/libQt5Core.so.5
#2  0x000055717c307b01 in  ()
#3  0x00007f6efba25e0f in  () at /usr/lib/libQt5Core.so.5
#4  0x00007f6efb481422 in start_thread () at /usr/lib/libpthread.so.0
#5  0x00007f6ef8c37bf3 in clone () at /usr/lib/libc.so.6

Thread 39 (Thread 0x7f6e5677e700 (LWP 36441)):
#0  0x00007f6efb487e32 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f6eed4d767c in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f6eed4d6078 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f6efb481422 in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f6ef8c37bf3 in clone () at /usr/lib/libc.so.6

Thread 38 (Thread 0x7f6e56f7f700 (LWP 36440)):
#0  0x00007f6ef8c2d05f in poll () at /usr/lib/libc.so.6
#1  0x00007f6efb037f38 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007f6efafe9221 in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#3  0x00007f6efbc63211 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#4  0x00007f6efbc0901c in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#5  0x00007f6efba24c32 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#6  0x00007f6efba25e0f in  () at /usr/lib/libQt5Core.so.5
#7  0x00007f6efb481422 in start_thread () at /usr/lib/libpthread.so.0
#8  0x00007f6ef8c37bf3 in clone () at /usr/lib/libc.so.6

Thread 37 (Thread 0x7f6e57780700 (LWP 36439)):
#0  0x00007f6efb487e32 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f6efba2bd64 in QWaitCondition::wait(QMutex*, QDeadlineTimer) () at /usr/lib/libQt5Core.so.5
#2  0x000055717bc86ca9 in  ()
#3  0x000055717bc8a373 in  ()
#4  0x000055717bc8cee8 in  ()
#5  0x00007f6efba25e0f in  () at /usr/lib/libQt5Core.so.5
#6  0x00007f6efb481422 in start_thread () at /usr/lib/libpthread.so.0
#7  0x00007f6ef8c37bf3 in clone () at /usr/lib/libc.so.6

Thread 36 (Thread 0x7f6e57f81700 (LWP 36438)):
#0  0x00007f6efb487e32 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f6efba2bd64 in QWaitCondition::wait(QMutex*, QDeadlineTimer) () at /usr/lib/libQt5Core.so.5
#2  0x000055717bf8d8b2 in  ()
#3  0x00007f6efba25e0f in  () at /usr/lib/libQt5Core.so.5
#4  0x00007f6efb481422 in start_thread () at /usr/lib/libpthread.so.0
#5  0x00007f6ef8c37bf3 in clone () at /usr/lib/libc.so.6

Thread 35 (Thread 0x7f6e58782700 (LWP 36437)):
#0  0x00007f6ef8c2d05f in poll () at /usr/lib/libc.so.6
#1  0x00007f6efb037f38 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007f6efafe9221 in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#3  0x00007f6efbc63211 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#4  0x00007f6efbc0901c in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#5  0x00007f6efba24c32 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#6  0x000055717c0834a2 in  ()
#7  0x00007f6efba25e0f in  () at /usr/lib/libQt5Core.so.5
#8  0x00007f6efb481422 in start_thread () at /usr/lib/libpthread.so.0
#9  0x00007f6ef8c37bf3 in clone () at /usr/lib/libc.so.6

Thread 34 (Thread 0x7f6e58f83700 (LWP 36436)):
#0  0x00007f6ef8c3271d in syscall () at /usr/lib/libc.so.6
#1  0x00007f6efba280c2 in QSemaphore::acquire(int) () at /usr/lib/libQt5Core.so.5
#2  0x000055717be5ab8c in  ()
#3  0x00007f6efba25e0f in  () at /usr/lib/libQt5Core.so.5
#4  0x00007f6efb481422 in start_thread () at /usr/lib/libpthread.so.0
#5  0x00007f6ef8c37bf3 in clone () at /usr/lib/libc.so.6

Thread 33 (Thread 0x7f6e59784700 (LWP 36435)):
#0  0x00007f6ef8c3271d in syscall () at /usr/lib/libc.so.6
#1  0x00007f6efba280c2 in QSemaphore::acquire(int) () at /usr/lib/libQt5Core.so.5
#2  0x000055717be5ab8c in  ()
#3  0x00007f6efba25e0f in  () at /usr/lib/libQt5Core.so.5
#4  0x00007f6efb481422 in start_thread () at /usr/lib/libpthread.so.0
#5  0x00007f6ef8c37bf3 in clone () at /usr/lib/libc.so.6

Thread 32 (Thread 0x7f6e59f85700 (LWP 36434)):
#0  0x00007f6ef8c3271d in syscall () at /usr/lib/libc.so.6
#1  0x00007f6efba280c2 in QSemaphore::acquire(int) () at /usr/lib/libQt5Core.so.5
#2  0x000055717be5ab8c in  ()
#3  0x00007f6efba25e0f in  () at /usr/lib/libQt5Core.so.5
#4  0x00007f6efb481422 in start_thread () at /usr/lib/libpthread.so.0
#5  0x00007f6ef8c37bf3 in clone () at /usr/lib/libc.so.6

Thread 31 (Thread 0x7f6e5a786700 (LWP 36433)):
#0  0x00007f6ef8c3271d in syscall () at /usr/lib/libc.so.6
#1  0x00007f6efba280c2 in QSemaphore::acquire(int) () at /usr/lib/libQt5Core.so.5
#2  0x000055717be5ab8c in  ()
#3  0x00007f6efba25e0f in  () at /usr/lib/libQt5Core.so.5
#4  0x00007f6efb481422 in start_thread () at /usr/lib/libpthread.so.0
#5  0x00007f6ef8c37bf3 in clone () at /usr/lib/libc.so.6

Thread 30 (Thread 0x7f6e5b8e2700 (LWP 36432)):
#0  0x00007f6ef8c3271d in syscall () at /usr/lib/libc.so.6
#1  0x00007f6efba280c2 in QSemaphore::acquire(int) () at /usr/lib/libQt5Core.so.5
#2  0x000055717be5ab8c in  ()
#3  0x00007f6efba25e0f in  () at /usr/lib/libQt5Core.so.5
#4  0x00007f6efb481422 in start_thread () at /usr/lib/libpthread.so.0
#5  0x00007f6ef8c37bf3 in clone () at /usr/lib/libc.so.6

Thread 29 (Thread 0x7f6e5c0e3700 (LWP 36431)):
#0  0x00007f6ef8c3271d in syscall () at /usr/lib/libc.so.6
#1  0x00007f6efba280c2 in QSemaphore::acquire(int) () at /usr/lib/libQt5Core.so.5
#2  0x000055717be5ab8c in  ()
#3  0x00007f6efba25e0f in  () at /usr/lib/libQt5Core.so.5
#4  0x00007f6efb481422 in start_thread () at /usr/lib/libpthread.so.0
#5  0x00007f6ef8c37bf3 in clone () at /usr/lib/libc.so.6

Thread 28 (Thread 0x7f6e5c8e4700 (LWP 36430)):
#0  0x00007f6ef8c3271d in syscall () at /usr/lib/libc.so.6
#1  0x00007f6efba280c2 in QSemaphore::acquire(int) () at /usr/lib/libQt5Core.so.5
#2  0x000055717be5ab8c in  ()
#3  0x00007f6efba25e0f in  () at /usr/lib/libQt5Core.so.5
#4  0x00007f6efb481422 in start_thread () at /usr/lib/libpthread.so.0
#5  0x00007f6ef8c37bf3 in clone () at /usr/lib/libc.so.6

Thread 27 (Thread 0x7f6e5d0e5700 (LWP 36429)):
#0  0x00007f6ef8c3271d in syscall () at /usr/lib/libc.so.6
#1  0x00007f6efba280c2 in QSemaphore::acquire(int) () at /usr/lib/libQt5Core.so.5
#2  0x000055717be5ab8c in  ()
#3  0x00007f6efba25e0f in  () at /usr/lib/libQt5Core.so.5
#4  0x00007f6efb481422 in start_thread () at /usr/lib/libpthread.so.0
#5  0x00007f6ef8c37bf3 in clone () at /usr/lib/libc.so.6

Thread 26 (Thread 0x7f6e5d8e6700 (LWP 36428)):
#0  0x00007f6ef8c3271d in syscall () at /usr/lib/libc.so.6
#1  0x00007f6efba280c2 in QSemaphore::acquire(int) () at /usr/lib/libQt5Core.so.5
#2  0x000055717be5ab8c in  ()
#3  0x00007f6efba25e0f in  () at /usr/lib/libQt5Core.so.5
#4  0x00007f6efb481422 in start_thread () at /usr/lib/libpthread.so.0
#5  0x00007f6ef8c37bf3 in clone () at /usr/lib/libc.so.6

Thread 25 (Thread 0x7f6e5af87700 (LWP 36427)):
#0  0x00007f6efb487e32 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f6efba2bd64 in QWaitCondition::wait(QMutex*, QDeadlineTimer) () at /usr/lib/libQt5Core.so.5
#2  0x000055717c2dcece in  ()
#3  0x00007f6efba25e0f in  () at /usr/lib/libQt5Core.so.5
#4  0x00007f6efb481422 in start_thread () at /usr/lib/libpthread.so.0
#5  0x00007f6ef8c37bf3 in clone () at /usr/lib/libc.so.6

Thread 24 (Thread 0x7f6e5d967700 (LWP 36426)):
#0  0x00007f6ef8c3271d in syscall () at /usr/lib/libc.so.6
#1  0x00007f6ef89f693b in  () at /usr/lib/libjack.so.0
#2  0x00007f6ef89dd0c5 in  () at /usr/lib/libjack.so.0
#3  0x00007f6ef89dc1f7 in  () at /usr/lib/libjack.so.0
#4  0x00007f6ef89dba08 in  () at /usr/lib/libjack.so.0
#5  0x00007f6ef89f4b1d in  () at /usr/lib/libjack.so.0
#6  0x00007f6efb481422 in start_thread () at /usr/lib/libpthread.so.0
#7  0x00007f6ef8c37bf3 in clone () at /usr/lib/libc.so.6

Thread 23 (Thread 0x7f6e5f09f700 (LWP 36425)):
#0  0x00007f6efb48b87c in read () at /usr/lib/libpthread.so.0
#1  0x00007f6ef89f5d6f in  () at /usr/lib/libjack.so.0
#2  0x00007f6ef89fac59 in  () at /usr/lib/libjack.so.0
#3  0x00007f6ef89f4b1d in  () at /usr/lib/libjack.so.0
#4  0x00007f6efb481422 in start_thread () at /usr/lib/libpthread.so.0
#5  0x00007f6ef8c37bf3 in clone () at /usr/lib/libc.so.6

Thread 22 (Thread 0x7f6e5f2a7700 (LWP 36424)):
#0  0x00007f6efb487e32 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f6ef89f55f0 in  () at /usr/lib/libjack.so.0
#2  0x00007f6ef89ece16 in  () at /usr/lib/libjack.so.0
#3  0x00007f6ef89f4b1d in  () at /usr/lib/libjack.so.0
#4  0x00007f6efb481422 in start_thread () at /usr/lib/libpthread.so.0
#5  0x00007f6ef8c37bf3 in clone () at /usr/lib/libc.so.6

Thread 21 (Thread 0x7f6e6029e700 (LWP 36416)):
#0  0x00007f6efb487e32 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f6efba2bd64 in QWaitCondition::wait(QMutex*, QDeadlineTimer) () at /usr/lib/libQt5Core.so.5
#2  0x000055717bf0ca97 in  ()
#3  0x00007f6efba25e0f in  () at /usr/lib/libQt5Core.so.5
#4  0x00007f6efb481422 in start_thread () at /usr/lib/libpthread.so.0
#5  0x00007f6ef8c37bf3 in clone () at /usr/lib/libc.so.6

Thread 20 (Thread 0x7f6e60a9f700 (LWP 36415)):
#0  0x00007f6efb487e32 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f6efba2bd64 in QWaitCondition::wait(QMutex*, QDeadlineTimer) () at /usr/lib/libQt5Core.so.5
#2  0x000055717bee9885 in  ()
#3  0x00007f6efba25e0f in  () at /usr/lib/libQt5Core.so.5
#4  0x00007f6efb481422 in start_thread () at /usr/lib/libpthread.so.0
#5  0x00007f6ef8c37bf3 in clone () at /usr/lib/libc.so.6

Thread 19 (Thread 0x7f6ee1577700 (LWP 36414)):
#0  0x00007f6efb487e32 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f6efcfb9fee in  () at /usr/lib/libQt5Script.so.5
#2  0x00007f6efcfba019 in  () at /usr/lib/libQt5Script.so.5
#3  0x00007f6efb481422 in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f6ef8c37bf3 in clone () at /usr/lib/libc.so.6

Thread 18 (Thread 0x7f6ee219d700 (LWP 36412)):
#0  0x00007f6efb487e32 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f6eed4d767c in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f6eed4d6078 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f6efb481422 in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f6ef8c37bf3 in clone () at /usr/lib/libc.so.6

Thread 17 (Thread 0x7f6ee299e700 (LWP 36411)):
#0  0x00007f6efb487e32 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f6eed4d767c in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f6eed4d6078 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f6efb481422 in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f6ef8c37bf3 in clone () at /usr/lib/libc.so.6

Thread 16 (Thread 0x7f6ee319f700 (LWP 36410)):
#0  0x00007f6efb487e32 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f6eed4d767c in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f6eed4d6078 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f6efb481422 in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f6ef8c37bf3 in clone () at /usr/lib/libc.so.6

Thread 15 (Thread 0x7f6ee39a0700 (LWP 36409)):
#0  0x00007f6efb487e32 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f6eed4d767c in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f6eed4d6078 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f6efb481422 in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f6ef8c37bf3 in clone () at /usr/lib/libc.so.6

Thread 14 (Thread 0x7f6ee41a1700 (LWP 36408)):
#0  0x00007f6efb487e32 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f6eed4d767c in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f6eed4d6078 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f6efb481422 in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f6ef8c37bf3 in clone () at /usr/lib/libc.so.6

Thread 13 (Thread 0x7f6ee49a2700 (LWP 36407)):
#0  0x00007f6efb487e32 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f6eed4d767c in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f6eed4d6078 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f6efb481422 in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f6ef8c37bf3 in clone () at /usr/lib/libc.so.6

Thread 12 (Thread 0x7f6ee51a3700 (LWP 36406)):
#0  0x00007f6efb487e32 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f6eed4d767c in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f6eed4d6078 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f6efb481422 in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f6ef8c37bf3 in clone () at /usr/lib/libc.so.6

Thread 11 (Thread 0x7f6ee59a4700 (LWP 36405)):
#0  0x00007f6efb487e32 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f6eed4d767c in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f6eed4d6078 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f6efb481422 in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f6ef8c37bf3 in clone () at /usr/lib/libc.so.6

Thread 10 (Thread 0x7f6ee61a5700 (LWP 36404)):
#0  0x00007f6efb487e32 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f6eed4d767c in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f6eed4d6078 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f6efb481422 in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f6ef8c37bf3 in clone () at /usr/lib/libc.so.6

Thread 9 (Thread 0x7f6ee69a6700 (LWP 36403)):
#0  0x00007f6efb487e32 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f6eed4d767c in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f6eed4d6078 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f6efb481422 in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f6ef8c37bf3 in clone () at /usr/lib/libc.so.6

Thread 8 (Thread 0x7f6ee71a7700 (LWP 36402)):
#0  0x00007f6efb487e32 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f6eed4d767c in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f6eed4d6078 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f6efb481422 in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f6ef8c37bf3 in clone () at /usr/lib/libc.so.6

Thread 7 (Thread 0x7f6ee7b07700 (LWP 36401)):
#0  0x00007f6efb487e32 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f6eed4d767c in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f6eed4d6078 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f6efb481422 in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f6ef8c37bf3 in clone () at /usr/lib/libc.so.6

Thread 6 (Thread 0x7f6eef587700 (LWP 36399)):
#0  0x00007f6ef8c2d05f in poll () at /usr/lib/libc.so.6
#1  0x00007f6efb037f38 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007f6efafe9221 in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#3  0x00007f6efbc63211 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#4  0x00007f6efbc0901c in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#5  0x00007f6efba24c32 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#6  0x00007f6efbec7098 in  () at /usr/lib/libQt5DBus.so.5
#7  0x00007f6efba25e0f in  () at /usr/lib/libQt5Core.so.5
#8  0x00007f6efb481422 in start_thread () at /usr/lib/libpthread.so.0
#9  0x00007f6ef8c37bf3 in clone () at /usr/lib/libc.so.6

Thread 5 (Thread 0x7f6eefdd7700 (LWP 36398)):
#0  0x00007f6efb487e32 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f6efba2bd64 in QWaitCondition::wait(QMutex*, QDeadlineTimer) () at /usr/lib/libQt5Core.so.5
#2  0x000055717c2ca82c in  ()
#3  0x00007f6efba25e0f in  () at /usr/lib/libQt5Core.so.5
#4  0x00007f6efb481422 in start_thread () at /usr/lib/libpthread.so.0
#5  0x00007f6ef8c37bf3 in clone () at /usr/lib/libc.so.6

Thread 4 (Thread 0x7f6ef0856700 (LWP 36397)):
#0  0x00007f6ef8c2d05f in poll () at /usr/lib/libc.so.6
#1  0x00007f6efb037f38 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007f6efafe8c03 in g_main_loop_run () at /usr/lib/libglib-2.0.so.0
#3  0x00007f6ef7a981a8 in  () at /usr/lib/libgio-2.0.so.0
#4  0x00007f6efb012511 in  () at /usr/lib/libglib-2.0.so.0
#5  0x00007f6efb481422 in start_thread () at /usr/lib/libpthread.so.0
#6  0x00007f6ef8c37bf3 in clone () at /usr/lib/libc.so.6

Thread 3 (Thread 0x7f6ef1057700 (LWP 36396)):
#0  0x00007f6ef8c2d05f in poll () at /usr/lib/libc.so.6
#1  0x00007f6efb037f38 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007f6efafe9221 in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#3  0x00007f6efafe9272 in  () at /usr/lib/libglib-2.0.so.0
#4  0x00007f6efb012511 in  () at /usr/lib/libglib-2.0.so.0
#5  0x00007f6efb481422 in start_thread () at /usr/lib/libpthread.so.0
#6  0x00007f6ef8c37bf3 in clone () at /usr/lib/libc.so.6

Thread 2 (Thread 0x7f6ef273f700 (LWP 36395)):
#0  0x00007f6ef8c2d05f in poll () at /usr/lib/libc.so.6
#1  0x00007f6ef8b1463b in  () at /usr/lib/libxcb.so.1
#2  0x00007f6ef8b1637b in xcb_wait_for_event () at /usr/lib/libxcb.so.1
#3  0x00007f6ef290dc51 in  () at /usr/lib/libQt5XcbQpa.so.5
#4  0x00007f6efba25e0f in  () at /usr/lib/libQt5Core.so.5
#5  0x00007f6efb481422 in start_thread () at /usr/lib/libpthread.so.0
#6  0x00007f6ef8c37bf3 in clone () at /usr/lib/libc.so.6

Thread 1 (Thread 0x7f6efb956e80 (LWP 36386)):
#0  0x00007f6ef8c3271d in syscall () at /usr/lib/libc.so.6
#1  0x00007f6efba280c2 in QSemaphore::acquire(int) () at /usr/lib/libQt5Core.so.5
#2  0x00007f6efc034d8f in  () at /usr/lib/libQt5Gui.so.5
#3  0x00007f6efc300141 in  () at /usr/lib/libQt5Gui.so.5
#4  0x00007f6efc0c8635 in QImage::smoothScaled(int, int) const () at /usr/lib/libQt5Gui.so.5
#5  0x00007f6efc0cb798 in QImage::transformed(QTransform const&, Qt::TransformationMode) const () at /usr/lib/libQt5Gui.so.5
#6  0x00007f6efc0cbdc7 in QImage::scaled(QSize const&, Qt::AspectRatioMode, Qt::TransformationMode) const () at /usr/lib/libQt5Gui.so.5
#7  0x000055717c3701b1 in  ()
#8  0x00007f6efc7adc7e in QWidget::event(QEvent*) () at /usr/lib/libQt5Widgets.so.5
#9  0x00007f6efc76c702 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib/libQt5Widgets.so.5
#10 0x00007f6efbc0a69a in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib/libQt5Core.so.5
#11 0x00007f6efc7a5cb8 in QWidgetPrivate::sendPaintEvent(QRegion const&) () at /usr/lib/libQt5Widgets.so.5
#12 0x00007f6efc7a652c in QWidgetPrivate::drawWidget(QPaintDevice*, QRegion const&, QPoint const&, QFlags<QWidgetPrivate::DrawWidgetFlag>, QPainter*, QWidgetRepaintManager*) () at /usr/lib/libQt5Widgets.so.5
#13 0x00007f6efc7a78f0 in QWidgetPrivate::paintSiblingsRecursive(QPaintDevice*, QList<QObject*> const&, int, QRegion const&, QPoint const&, QFlags<QWidgetPrivate::DrawWidgetFlag>, QPainter*, QWidgetRepaintManager*) () at /usr/lib/libQt5Widgets.so.5
#14 0x00007f6efc7a623d in QWidgetPrivate::drawWidget(QPaintDevice*, QRegion const&, QPoint const&, QFlags<QWidgetPrivate::DrawWidgetFlag>, QPainter*, QWidgetRepaintManager*) () at /usr/lib/libQt5Widgets.so.5
#15 0x00007f6efc7a78f0 in QWidgetPrivate::paintSiblingsRecursive(QPaintDevice*, QList<QObject*> const&, int, QRegion const&, QPoint const&, QFlags<QWidgetPrivate::DrawWidgetFlag>, QPainter*, QWidgetRepaintManager*) () at /usr/lib/libQt5Widgets.so.5
#16 0x00007f6efc7a623d in QWidgetPrivate::drawWidget(QPaintDevice*, QRegion const&, QPoint const&, QFlags<QWidgetPrivate::DrawWidgetFlag>, QPainter*, QWidgetRepaintManager*) () at /usr/lib/libQt5Widgets.so.5
#17 0x00007f6efc7a78f0 in QWidgetPrivate::paintSiblingsRecursive(QPaintDevice*, QList<QObject*> const&, int, QRegion const&, QPoint const&, QFlags<QWidgetPrivate::DrawWidgetFlag>, QPainter*, QWidgetRepaintManager*) () at /usr/lib/libQt5Widgets.so.5
#18 0x00007f6efc7a623d in QWidgetPrivate::drawWidget(QPaintDevice*, QRegion const&, QPoint const&, QFlags<QWidgetPrivate::DrawWidgetFlag>, QPainter*, QWidgetRepaintManager*) () at /usr/lib/libQt5Widgets.so.5
#19 0x00007f6efc7a78f0 in QWidgetPrivate::paintSiblingsRecursive(QPaintDevice*, QList<QObject*> const&, int, QRegion const&, QPoint const&, QFlags<QWidgetPrivate::DrawWidgetFlag>, QPainter*, QWidgetRepaintManager*) () at /usr/lib/libQt5Widgets.so.5
#20 0x00007f6efc7a623d in QWidgetPrivate::drawWidget(QPaintDevice*, QRegion const&, QPoint const&, QFlags<QWidgetPrivate::DrawWidgetFlag>, QPainter*, QWidgetRepaintManager*) () at /usr/lib/libQt5Widgets.so.5
#21 0x00007f6efc7a78f0 in QWidgetPrivate::paintSiblingsRecursive(QPaintDevice*, QList<QObject*> const&, int, QRegion const&, QPoint const&, QFlags<QWidgetPrivate::DrawWidgetFlag>, QPainter*, QWidgetRepaintManager*) () at /usr/lib/libQt5Widgets.so.5
#22 0x00007f6efc7a7706 in QWidgetPrivate::paintSiblingsRecursive(QPaintDevice*, QList<QObject*> const&, int, QRegion const&, QPoint const&, QFlags<QWidgetPrivate::DrawWidgetFlag>, QPainter*, QWidgetRepaintManager*) () at /usr/lib/libQt5Widgets.so.5
#23 0x00007f6efc7a7706 in QWidgetPrivate::paintSiblingsRecursive(QPaintDevice*, QList<QObject*> const&, int, QRegion const&, QPoint const&, QFlags<QWidgetPrivate::DrawWidgetFlag>, QPainter*, QWidgetRepaintManager*) () at /usr/lib/libQt5Widgets.so.5
#24 0x00007f6efc7a623d in QWidgetPrivate::drawWidget(QPaintDevice*, QRegion const&, QPoint const&, QFlags<QWidgetPrivate::DrawWidgetFlag>, QPainter*, QWidgetRepaintManager*) () at /usr/lib/libQt5Widgets.so.5
#25 0x00007f6efc7a78f0 in QWidgetPrivate::paintSiblingsRecursive(QPaintDevice*, QList<QObject*> const&, int, QRegion const&, QPoint const&, QFlags<QWidgetPrivate::DrawWidgetFlag>, QPainter*, QWidgetRepaintManager*) () at /usr/lib/libQt5Widgets.so.5
#26 0x00007f6efc7a623d in QWidgetPrivate::drawWidget(QPaintDevice*, QRegion const&, QPoint const&, QFlags<QWidgetPrivate::DrawWidgetFlag>, QPainter*, QWidgetRepaintManager*) () at /usr/lib/libQt5Widgets.so.5
#27 0x00007f6efc7a78f0 in QWidgetPrivate::paintSiblingsRecursive(QPaintDevice*, QList<QObject*> const&, int, QRegion const&, QPoint const&, QFlags<QWidgetPrivate::DrawWidgetFlag>, QPainter*, QWidgetRepaintManager*) () at /usr/lib/libQt5Widgets.so.5
#28 0x00007f6efc7a623d in QWidgetPrivate::drawWidget(QPaintDevice*, QRegion const&, QPoint const&, QFlags<QWidgetPrivate::DrawWidgetFlag>, QPainter*, QWidgetRepaintManager*) () at /usr/lib/libQt5Widgets.so.5
#29 0x00007f6efc7a78f0 in QWidgetPrivate::paintSiblingsRecursive(QPaintDevice*, QList<QObject*> const&, int, QRegion const&, QPoint const&, QFlags<QWidgetPrivate::DrawWidgetFlag>, QPainter*, QWidgetRepaintManager*) () at /usr/lib/libQt5Widgets.so.5
#30 0x00007f6efc7a623d in QWidgetPrivate::drawWidget(QPaintDevice*, QRegion const&, QPoint const&, QFlags<QWidgetPrivate::DrawWidgetFlag>, QPainter*, QWidgetRepaintManager*) () at /usr/lib/libQt5Widgets.so.5
#31 0x00007f6efc7a78f0 in QWidgetPrivate::paintSiblingsRecursive(QPaintDevice*, QList<QObject*> const&, int, QRegion const&, QPoint const&, QFlags<QWidgetPrivate::DrawWidgetFlag>, QPainter*, QWidgetRepaintManager*) () at /usr/lib/libQt5Widgets.so.5
#32 0x00007f6efc7a623d in QWidgetPrivate::drawWidget(QPaintDevice*, QRegion const&, QPoint const&, QFlags<QWidgetPrivate::DrawWidgetFlag>, QPainter*, QWidgetRepaintManager*) () at /usr/lib/libQt5Widgets.so.5
#33 0x00007f6efc7a78f0 in QWidgetPrivate::paintSiblingsRecursive(QPaintDevice*, QList<QObject*> const&, int, QRegion const&, QPoint const&, QFlags<QWidgetPrivate::DrawWidgetFlag>, QPainter*, QWidgetRepaintManager*) () at /usr/lib/libQt5Widgets.so.5
#34 0x00007f6efc7a623d in QWidgetPrivate::drawWidget(QPaintDevice*, QRegion const&, QPoint const&, QFlags<QWidgetPrivate::DrawWidgetFlag>, QPainter*, QWidgetRepaintManager*) () at /usr/lib/libQt5Widgets.so.5
#35 0x00007f6efc77d42c in  () at /usr/lib/libQt5Widgets.so.5
#36 0x00007f6efc7ae3cb in QWidget::event(QEvent*) () at /usr/lib/libQt5Widgets.so.5
#37 0x00007f6efc76c702 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib/libQt5Widgets.so.5
#38 0x00007f6efbc0a69a in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib/libQt5Core.so.5
#39 0x00007f6efbc0d183 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () at /usr/lib/libQt5Core.so.5
#40 0x00007f6efbc63bd4 in  () at /usr/lib/libQt5Core.so.5
#41 0x00007f6efafea43c in g_main_context_dispatch () at /usr/lib/libglib-2.0.so.0
#42 0x00007f6efb037fa9 in  () at /usr/lib/libglib-2.0.so.0
#43 0x00007f6efafe9221 in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#44 0x00007f6efbc63211 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#45 0x00007f6efbc0901c in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#46 0x00007f6efbc114a4 in QCoreApplication::exec() () at /usr/lib/libQt5Core.so.5
#47 0x000055717bc228dc in  ()
#48 0x00007f6ef8b5f002 in __libc_start_main () at /usr/lib/libc.so.6
#49 0x000055717bc2b37e in  ()