https://bugs.kde.org/show_bug.cgi?id=359167
Bug ID: 359167
Summary: Plasmashell freezes / deadlocks on r600g mesa driver
after screen lock
Product: plasmashell
Version: 5.5.4
Platform: Archlinux Packages
OS: Linux
Status: UNCONFIRMED
Severity: normal
Priority: NOR
Component: general
Assignee: k...@davidedmundson.co.uk
Reporter: knut.tidem...@gmail.com
CC: bhus...@gmail.com, plasma-b...@kde.org
Hello.
I'm having issues with plasmashell freezing / becoming unresponsive after I
unlock the screenlocker. It does not happen every time, but pretty frequently.
Killing plasmashell and restarting it temporarily solves the problem.
This is happening on the official arch linux packages, with mesa and a Radeon
HD 5670/5690/5730.
It could be a mesa bug as well.
Reproducible: Sometimes
Steps to Reproduce:
1. Leave computer, wait for lock screen to automatically appear
2. After a while, unlock the computer
Actual Results:
Plasmashell was frozen.
Expected Results:
A working plasmashell.
The log output from plasmashell does not seem to display anything useful, this
is the end of the log and I could see that plasmashell had been frozen for
roughly 14 hours by looking at the clock widget:
org.kde.plasma.pulseaudio: PROPERTY CHANGED ( 0 ) :: 261 "Properties"
org.kde.plasma.pulseaudio: returning roles QHash((264, "HasVolume")(267,
"Description")(266, "Name")(269, "Ports")(268, "CardIndex")(270,
"ActivePortIndex")(257, "Index")(259, "ObjectName")(258, "PulseObject")(261,
"Properties")(260, "Index")(263, "Muted")(262, "Volume")(265,
"VolumeWritable"))
org.kde.plasma.pulseaudio: PROPERTY CHANGED ( 0 ) :: 261 "Properties"
org.kde.plasma.pulseaudio: returning roles QHash((264, "HasVolume")(267,
"Description")(266, "Name")(269, "Ports")(268, "CardIndex")(270,
"ActivePortIndex")(257, "Index")(259, "ObjectName")(258, "PulseObject")(261,
"Properties")(260, "Index")(263, "Muted")(262, "Volume")(265,
"VolumeWritable"))
org.kde.plasma.pulseaudio: PROPERTY CHANGED ( 0 ) :: 262 "Volume"
org.kde.plasma.pulseaudio: returning roles QHash((264, "HasVolume")(267,
"Description")(266, "Name")(269, "Ports")(268, "CardIndex")(270,
"ActivePortIndex")(257, "Index")(259, "ObjectName")(258, "PulseObject")(261,
"Properties")(260, "Index")(263, "Muted")(262, "Volume")(265,
"VolumeWritable"))
org.kde.plasma.pulseaudio: PROPERTY CHANGED ( 0 ) :: 262 "Volume"
org.kde.plasma.pulseaudio: returning roles QHash((264, "HasVolume")(267,
"Description")(266, "Name")(269, "Ports")(268, "CardIndex")(270,
"ActivePortIndex")(257, "Index")(259, "ObjectName")(258, "PulseObject")(261,
"Properties")(260, "Index")(263, "Muted")(262, "Volume")(265,
"VolumeWritable"))
org.kde.plasma.pulseaudio: PROPERTY CHANGED ( 0 ) :: 268 "CardIndex"
org.kde.plasma.pulseaudio: returning roles QHash((264, "HasVolume")(267,
"Description")(266, "Name")(269, "Ports")(268, "CardIndex")(270,
"ActivePortIndex")(257, "Index")(259, "ObjectName")(258, "PulseObject")(261,
"Properties")(260, "Index")(263, "Muted")(262, "Volume")(265,
"VolumeWritable"))
org.kde.plasma.pulseaudio: PROPERTY CHANGED ( 0 ) :: 268 "CardIndex"
org.kde.plasma.pulseaudio: returning roles QHash((264, "HasVolume")(267,
"Description")(266, "Name")(269, "Ports")(268, "CardIndex")(270,
"ActivePortIndex")(257, "Index")(259, "ObjectName")(258, "PulseObject")(261,
"Properties")(260, "Index")(263, "Muted")(262, "Volume")(265,
"VolumeWritable"))
org.kde.plasma.pulseaudio: PROPERTY CHANGED ( 0 ) :: 269 "Ports"
org.kde.plasma.pulseaudio: returning roles QHash((264, "HasVolume")(267,
"Description")(266, "Name")(269, "Ports")(268, "CardIndex")(270,
"ActivePortIndex")(257, "Index")(259, "ObjectName")(258, "PulseObject")(261,
"Properties")(260, "Index")(263, "Muted")(262, "Volume")(265,
"VolumeWritable"))
org.kde.plasma.pulseaudio: PROPERTY CHANGED ( 0 ) :: 269 "Ports"
org.kde.plasma.pulseaudio: returning roles QHash((264, "HasVolume")(267,
"Description")(266, "Name")(269, "Ports")(268, "CardIndex")(270,
"ActivePortIndex")(257, "Index")(259, "ObjectName")(258, "PulseObject")(261,
"Properties")(260, "Index")(263, "Muted")(262, "Volume")(265,
"VolumeWritable"))
org.kde.plasma.pulseaudio: PROPERTY CHANGED ( 0 ) :: 270 "ActivePortIndex"
org.kde.plasma.pulseaudio: returning roles QHash((264, "HasVolume")(267,
"Description")(266, "Name")(269, "Ports")(268, "CardIndex")(270,
"ActivePortIndex")(257, "Index")(259, "ObjectName")(258, "PulseObject")(261,
"Properties")(260, "Index")(263, "Muted")(262, "Volume")(265,
"VolumeWritable"))
org.kde.plasma.pulseaudio: PROPERTY CHANGED ( 0 ) :: 270 "ActivePortIndex"
libkcups: Renew-Subscription last error: 0 successful-ok
libkcups: Renew-Subscription last error: 0 successful-ok
libkcups: Renew-Subscription last error: 0 successful-ok
libkcups: Renew-Subscription last error: 0 successful-ok
libkcups: Renew-Subscription last error: 0 successful-ok
libkcups: Renew-Subscription last error: 0 successful-ok
libkcups: Renew-Subscription last error: 0 successful-ok
libkcups: Renew-Subscription last error: 0 successful-ok
libkcups: Renew-Subscription last error: 0 successful-ok
libkcups: Renew-Subscription last error: 0 successful-ok
libkcups: Renew-Subscription last error: 0 successful-ok
libkcups: Renew-Subscription last error: 0 successful-ok
libkcups: Renew-Subscription last error: 0 successful-ok
libkcups: Renew-Subscription last error: 0 successful-ok
libkcups: Renew-Subscription last error: 0 successful-ok
libkcups: Renew-Subscription last error: 0 successful-ok
libkcups: Renew-Subscription last error: 0 successful-ok
Note that the rest of the log is mostly PROPETY CHANGED lines, so it seems the
dbus messages stops at one point, probably when it freezes.
GDB traceback and thread info:
Threads:
Thread 9 has target name 'KCupsConnection'
Thread 9 has target id 'Thread 0x7fff2fa25700 (LWP 23009)'
Thread 8 has target name 'QQuickPixmapRea'
Thread 8 has target id 'Thread 0x7fffc5f98700 (LWP 23005)'
Thread 7 has target name 'plasmashell'
Thread 7 has target id 'Thread 0x7fffccaf3700 (LWP 23004)'
Thread 6 has target name 'QQmlThread'
Thread 6 has target id 'Thread 0x7fffce469700 (LWP 23003)'
Thread 5 has target name 'QQmlThread'
Thread 5 has target id 'Thread 0x7fffd00ca700 (LWP 23002)'
Thread 4 has target name 'plasmashell'
Thread 4 has target id 'Thread 0x7fffd18e4700 (LWP 23001)'
Thread 3 has target name 'QQmlThread'
Thread 3 has target id 'Thread 0x7fffdbfff700 (LWP 23000)'
Thread 2 has target name 'QXcbEventReader'
Thread 2 has target id 'Thread 0x7fffe2d45700 (LWP 22999)'
Thread 1 has target name 'plasmashell'
Thread 1 has target id 'Thread 0x7fffe4830800 (LWP 22993)'
[Thread 1 (Thread 0x7fffe4830800 (LWP 22993))]
0x00007ffff244518d in poll () from /usr/lib/libc.so.6
(gdb) bt full
#0 0x00007ffff244518d in poll () from /usr/lib/libc.so.6
No symbol table info available.
#1 0x00007ffff65b0ae2 in ?? () from /usr/lib/libxcb.so.1
No symbol table info available.
#2 0x00007ffff65b2829 in xcb_wait_for_special_event () from
/usr/lib/libxcb.so.1
No symbol table info available.
#3 0x00007fffee850737 in dri3_find_back (draw=draw@entry=0x15021f8) at
loader_dri3_helper.c:380
b = <optimized out>
ev = <optimized out>
ge = <optimized out>
#4 0x00007fffee8514e0 in dri3_get_buffer (driDrawable=<optimized out>,
draw=0x15021f8, buffer_type=loader_dri3_buffer_back, format=4099) at
loader_dri3_helper.c:1193
buffer = <optimized out>
buf_id = <optimized out>
dri_context = 0xd11250
#5 loader_dri3_get_buffers (driDrawable=<optimized out>, format=4099,
stamp=0x1533330, loaderPrivate=0x15021f8, buffer_mask=<optimized out>,
buffers=0x7fffffffd2d0) at loader_dri3_helper.c:1370
draw = 0x15021f8
front = 0x0
back = 0x0
#6 0x00007fffd9799ca3 in dri_image_drawable_get_buffers
(statts_count=<optimized out>, statts=<optimized out>, images=<optimized out>,
drawable=<optimized out>) at dri2.c:279
pf = PIPE_FORMAT_Z24_UNORM_S8_UINT
buffer_mask = 1
i = <optimized out>
image_format = 4099
bind = 1
#7 dri2_allocate_textures (ctx=0xe2c560, drawable=0x1533330, statts=0x248d600,
statts_count=2) at dri2.c:402
sPriv = 0x913ec0
dri_drawable = 0x23e9a50
templ = {reference = {count = 1}, screen = 0x6cf420, target = 1025,
format = PIPE_FORMAT_NONE, width0 = 3898722504, height0 = 32767, depth0 = 0,
array_size = 0, last_level = 48, nr_samples = 137, usage = 90, bind = 0, flags
= 14799136}
alloc_depthstencil = 0 '\000'
i = <optimized out>
j = <optimized out>
bind = 0
image = 0x7fffeea719c0 <imageLoaderExtension>
images = {image_mask = 0, back = 0x0, front = 0x0}
buffers = 0x0
whandle = {type = 19, handle = 0, stride = 0}
num_buffers = 2
#8 0x00007fffd979698c in dri_st_framebuffer_validate (stctx=<optimized out>,
stfbi=<optimized out>, statts=0x248d600, count=2, out=0x7fffffffd460) at
dri_drawable.c:83
ctx = 0xe2c560
drawable = 0x1533330
statt_mask = 18
new_mask = <optimized out>
new_stamp = <optimized out>
i = <optimized out>
lastStamp = <optimized out>
textures = 0x1533438
#9 0x00007fffd96bd38e in st_framebuffer_validate (stfb=0x248d1a0,
st=st@entry=0xf07f80) at state_tracker/st_manager.c:201
textures = {0x8892, 0x20, 0x7fffffffd490, 0x7fffffffd4e0,
0x7fffffffd4e0, 0x0, 0x1}
width = <optimized out>
height = <optimized out>
i = <optimized out>
changed = 0 '\000'
new_stamp = 3
#10 0x00007fffd96be8f9 in st_manager_validate_framebuffers
(st=st@entry=0xf07f80) at state_tracker/st_manager.c:872
No locals.
#11 0x00007fffd96681a6 in st_validate_state (st=st@entry=0xf07f80) at
state_tracker/st_atom.c:194
state = 0xf09630
#12 0x00007fffd966f7d1 in st_Clear (ctx=0xed9310, mask=50) at
state_tracker/st_cb_clear.c:473
depthRb = 0x2ab5000
stencilRb = 0x2ab5000
quad_buffers = 0
clear_buffers = 0
i = <optimized out>
#13 0x00007ffff5e2444a in QSGBatchRenderer::Renderer::renderBatches() () from
/usr/lib/libQt5Quick.so.5
No symbol table info available.
#14 0x00007ffff5e29e32 in QSGBatchRenderer::Renderer::render() () from
/usr/lib/libQt5Quick.so.5
No symbol table info available.
#15 0x00007ffff5e35b2f in QSGRenderer::renderScene(QSGBindable const&) () from
/usr/lib/libQt5Quick.so.5
No symbol table info available.
---Type <return> to continue, or q <return> to quit---
#16 0x00007ffff5e3637b in QSGRenderer::renderScene(unsigned int) () from
/usr/lib/libQt5Quick.so.5
No symbol table info available.
#17 0x00007ffff5e4686e in QSGRenderContext::renderNextFrame(QSGRenderer*,
unsigned int) () from /usr/lib/libQt5Quick.so.5
No symbol table info available.
#18 0x00007ffff5e9083b in QQuickWindowPrivate::renderSceneGraph(QSize const&)
() from /usr/lib/libQt5Quick.so.5
No symbol table info available.
#19 0x00007ffff5e6120b in ?? () from /usr/lib/libQt5Quick.so.5
No symbol table info available.
#20 0x00007ffff5e62311 in ?? () from /usr/lib/libQt5Quick.so.5
No symbol table info available.
#21 0x00007ffff38159ac in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() from /usr/lib/libQt5Widgets.so.5
No symbol table info available.
#22 0x00007ffff381ae86 in QApplication::notify(QObject*, QEvent*) () from
/usr/lib/libQt5Widgets.so.5
No symbol table info available.
#23 0x00007ffff2d11bab in QCoreApplication::notifyInternal(QObject*, QEvent*)
() from /usr/lib/libQt5Core.so.5
No symbol table info available.
#24 0x00007ffff2d6736d in QTimerInfoList::activateTimers() () from
/usr/lib/libQt5Core.so.5
No symbol table info available.
#25 0x00007ffff2d67871 in ?? () from /usr/lib/libQt5Core.so.5
No symbol table info available.
#26 0x00007fffef3bedc7 in g_main_context_dispatch () from
/usr/lib/libglib-2.0.so.0
No symbol table info available.
#27 0x00007fffef3bf020 in ?? () from /usr/lib/libglib-2.0.so.0
No symbol table info available.
#28 0x00007fffef3bf0cc in g_main_context_iteration () from
/usr/lib/libglib-2.0.so.0
No symbol table info available.
#29 0x00007ffff2d6854f in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /usr/lib/libQt5Core.so.5
No symbol table info available.
#30 0x00007ffff2d0f57a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib/libQt5Core.so.5
No symbol table info available.
#31 0x00007ffff2d1753c in QCoreApplication::exec() () from
/usr/lib/libQt5Core.so.5
No symbol table info available.
#32 0x000000000043138a in main ()
No symbol table info available.
[Switching to thread 2 (Thread 0x7fffe2d45700 (LWP 22999))]
#0 0x00007ffff1c5307f in pthread_cond_wait@@GLIBC_2.3.2 () from
/usr/lib/libpthread.so.0
No symbol table info available.
#1 0x00007ffff65b0d39 in ?? () from /usr/lib/libxcb.so.1
No symbol table info available.
#2 0x00007ffff65b2757 in xcb_wait_for_event () from /usr/lib/libxcb.so.1
No symbol table info available.
#3 0x00007fffe4460379 in ?? () from /usr/lib/libQt5XcbQpa.so.5
No symbol table info available.
#4 0x00007ffff2b30b8e in ?? () from /usr/lib/libQt5Core.so.5
No symbol table info available.
#5 0x00007ffff1c4d4a4 in start_thread () from /usr/lib/libpthread.so.0
No symbol table info available.
#6 0x00007ffff244e13d in clone () from /usr/lib/libc.so.6
No symbol table info available.
[Switching to thread 3 (Thread 0x7fffdbfff700 (LWP 23000))]
#0 0x00007ffff244518d in poll () from /usr/lib/libc.so.6
No symbol table info available.
#1 0x00007fffef3befbc in ?? () from /usr/lib/libglib-2.0.so.0
No symbol table info available.
#2 0x00007fffef3bf0cc in g_main_context_iteration () from
/usr/lib/libglib-2.0.so.0
No symbol table info available.
#3 0x00007ffff2d6854f in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /usr/lib/libQt5Core.so.5
No symbol table info available.
#4 0x00007ffff2d0f57a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib/libQt5Core.so.5
No symbol table info available.
#5 0x00007ffff2b2bbe4 in QThread::exec() () from /usr/lib/libQt5Core.so.5
No symbol table info available.
#6 0x00007ffff5444055 in ?? () from /usr/lib/libQt5Qml.so.5
No symbol table info available.
#7 0x00007ffff2b30b8e in ?? () from /usr/lib/libQt5Core.so.5
No symbol table info available.
#8 0x00007ffff1c4d4a4 in start_thread () from /usr/lib/libpthread.so.0
No symbol table info available.
#9 0x00007ffff244e13d in clone () from /usr/lib/libc.so.6
No symbol table info available.
[Switching to thread 4 (Thread 0x7fffd18e4700 (LWP 23001))]
#0 0x00007ffff1c5307f in pthread_cond_wait@@GLIBC_2.3.2 () from
/usr/lib/libpthread.so.0
No symbol table info available.
#1 0x00007fffd9b1c923 in cnd_wait (mtx=0x94d450, cond=0x94d478) at
../../../../../include/c11/threads_posix.h:159
No locals.
#2 pipe_semaphore_wait (sema=0x94d450) at
../../../../../src/gallium/auxiliary/os/os_thread.h:259
No locals.
#3 radeon_drm_cs_emit_ioctl (param=param@entry=0x94d020) at
radeon_drm_winsys.c:680
ws = 0x94d020
cs = <optimized out>
i = <optimized out>
#4 0x00007fffd9b1c047 in impl_thrd_routine (p=<optimized out>) at
../../../../../include/c11/threads_posix.h:87
pack = {func = 0x7fffd9b1c8d0 <radeon_drm_cs_emit_ioctl>, arg =
0x94d020}
#5 0x00007ffff1c4d4a4 in start_thread () from /usr/lib/libpthread.so.0
No symbol table info available.
#6 0x00007ffff244e13d in clone () from /usr/lib/libc.so.6
No symbol table info available.
(gdb) thread 5
[Switching to thread 5 (Thread 0x7fffd00ca700 (LWP 23002))]
#0 0x00007ffff244518d in poll () from /usr/lib/libc.so.6
(gdb) bt full
#0 0x00007ffff244518d in poll () from /usr/lib/libc.so.6
No symbol table info available.
#1 0x00007fffef3befbc in ?? () from /usr/lib/libglib-2.0.so.0
No symbol table info available.
#2 0x00007fffef3bf0cc in g_main_context_iteration () from
/usr/lib/libglib-2.0.so.0
No symbol table info available.
#3 0x00007ffff2d6854f in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /usr/lib/libQt5Core.so.5
No symbol table info available.
#4 0x00007ffff2d0f57a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib/libQt5Core.so.5
No symbol table info available.
#5 0x00007ffff2b2bbe4 in QThread::exec() () from /usr/lib/libQt5Core.so.5
No symbol table info available.
#6 0x00007ffff5444055 in ?? () from /usr/lib/libQt5Qml.so.5
No symbol table info available.
#7 0x00007ffff2b30b8e in ?? () from /usr/lib/libQt5Core.so.5
No symbol table info available.
#8 0x00007ffff1c4d4a4 in start_thread () from /usr/lib/libpthread.so.0
No symbol table info available.
#9 0x00007ffff244e13d in clone () from /usr/lib/libc.so.6
No symbol table info available.
[Switching to thread 6 (Thread 0x7fffce469700 (LWP 23003))]
#0 0x00007ffff244518d in poll () from /usr/lib/libc.so.6
No symbol table info available.
#1 0x00007fffef3befbc in ?? () from /usr/lib/libglib-2.0.so.0
No symbol table info available.
#2 0x00007fffef3bf0cc in g_main_context_iteration () from
/usr/lib/libglib-2.0.so.0
No symbol table info available.
#3 0x00007ffff2d6854f in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /usr/lib/libQt5Core.so.5
No symbol table info available.
#4 0x00007ffff2d0f57a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib/libQt5Core.so.5
No symbol table info available.
#5 0x00007ffff2b2bbe4 in QThread::exec() () from /usr/lib/libQt5Core.so.5
No symbol table info available.
#6 0x00007ffff5444055 in ?? () from /usr/lib/libQt5Qml.so.5
No symbol table info available.
#7 0x00007ffff2b30b8e in ?? () from /usr/lib/libQt5Core.so.5
No symbol table info available.
#8 0x00007ffff1c4d4a4 in start_thread () from /usr/lib/libpthread.so.0
No symbol table info available.
#9 0x00007ffff244e13d in clone () from /usr/lib/libc.so.6
No symbol table info available.
[Switching to thread 7 (Thread 0x7fffccaf3700 (LWP 23004))]
#0 0x00007ffff1c5307f in pthread_cond_wait@@GLIBC_2.3.2 () from
/usr/lib/libpthread.so.0
No symbol table info available.
#1 0x00007ffff786c934 in ?? () from /usr/lib/libQt5Script.so.5
No symbol table info available.
#2 0x00007ffff786c979 in ?? () from /usr/lib/libQt5Script.so.5
No symbol table info available.
#3 0x00007ffff1c4d4a4 in start_thread () from /usr/lib/libpthread.so.0
No symbol table info available.
#4 0x00007ffff244e13d in clone () from /usr/lib/libc.so.6
No symbol table info available.
[Switching to thread 8 (Thread 0x7fffc5f98700 (LWP 23005))]
#0 0x00007ffff244518d in poll () from /usr/lib/libc.so.6
No symbol table info available.
#1 0x00007fffef3befbc in ?? () from /usr/lib/libglib-2.0.so.0
No symbol table info available.
#2 0x00007fffef3bf0cc in g_main_context_iteration () from
/usr/lib/libglib-2.0.so.0
No symbol table info available.
#3 0x00007ffff2d6856b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /usr/lib/libQt5Core.so.5
No symbol table info available.
#4 0x00007ffff2d0f57a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib/libQt5Core.so.5
No symbol table info available.
#5 0x00007ffff2b2bbe4 in QThread::exec() () from /usr/lib/libQt5Core.so.5
No symbol table info available.
#6 0x00007ffff5df4136 in ?? () from /usr/lib/libQt5Quick.so.5
No symbol table info available.
#7 0x00007ffff2b30b8e in ?? () from /usr/lib/libQt5Core.so.5
No symbol table info available.
#8 0x00007ffff1c4d4a4 in start_thread () from /usr/lib/libpthread.so.0
No symbol table info available.
#9 0x00007ffff244e13d in clone () from /usr/lib/libc.so.6
No symbol table info available.
[Switching to thread 9 (Thread 0x7fff2fa25700 (LWP 23009))]
#0 0x00007ffff244518d in poll () from /usr/lib/libc.so.6
No symbol table info available.
#1 0x00007fffef3befbc in ?? () from /usr/lib/libglib-2.0.so.0
No symbol table info available.
#2 0x00007fffef3bf0cc in g_main_context_iteration () from
/usr/lib/libglib-2.0.so.0
No symbol table info available.
#3 0x00007ffff2d6854f in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /usr/lib/libQt5Core.so.5
No symbol table info available.
#4 0x00007ffff2d0f57a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib/libQt5Core.so.5
No symbol table info available.
#5 0x00007ffff2b2bbe4 in QThread::exec() () from /usr/lib/libQt5Core.so.5
No symbol table info available.
#6 0x00007fff31cf4bc7 in KCupsConnection::run() () from
/usr/lib/libkcupslib.so
No symbol table info available.
#7 0x00007ffff2b30b8e in ?? () from /usr/lib/libQt5Core.so.5
No symbol table info available.
#8 0x00007ffff1c4d4a4 in start_thread () from /usr/lib/libpthread.so.0
No symbol table info available.
#9 0x00007ffff244e13d in clone () from /usr/lib/libc.so.6
No symbol table info available.
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