https://bugs.kde.org/show_bug.cgi?id=453320
Bug ID: 453320
Summary: kwin_wayland DRM backend crashes on simpledrm again
Product: kwin
Version: master
Platform: Compiled Sources
OS: Linux
Status: REPORTED
Severity: crash
Priority: NOR
Component: platform-drm
Assignee: kwin-bugs-n...@kde.org
Reporter: bluescreenaven...@gmail.com
Target Milestone: ---
Hi
It seems that kwin_wayland crash again. Below is the full stack trace
```
#0 KWin::DrmBuffer::modifier (this=0x0) at
/srcbuild/kwin/src/backends/drm/drm_buffer.cpp:55
No locals.
#1 0x00007f983fccdb53 in KWin::DrmPipeline::pruneModifier
(this=this@entry=0x560c11004030)
at /opt/include/QtCore/qsharedpointer_impl.h:301
modifiers = <optimized out>
#2 0x00007f983fcc6f92 in KWin::DrmGpu::checkCrtcAssignment
(this=this@entry=0x560c10ecfd20, connectors=..., crtcs=...)
at /srcbuild/kwin/src/backends/drm/drm_gpu.cpp:379
crtcsLeft = {d = 0x560c114afa20}
id = <optimized out>
it = 0x7fff08fe53f0
__PRETTY_FUNCTION__ = "bool
KWin::DrmGpu::checkCrtcAssignment(QVector<KWin::DrmConnector*>, const
QVector<KWin::DrmCrtc*>&)"
connector = 0x560c114aace0
pipeline = 0x560c11004030
currentCrtc = 0x560c10f56690
#3 0x00007f983fcc7238 in KWin::DrmGpu::testPendingConfiguration
(this=this@entry=0x560c10ecfd20)
at /srcbuild/kwin/src/backends/drm/drm_gpu.cpp:419
connectors = {d = 0x560c114af980}
crtcs = {d = 0x560c10f4c9f0}
#4 0x00007f983fcc87e7 in KWin::DrmGpu::updateOutputs
(this=this@entry=0x560c10ecfd20)
at /srcbuild/kwin/src/backends/drm/drm_gpu.cpp:319
resources = {d = <optimized out>}
__PRETTY_FUNCTION__ = "bool KWin::DrmGpu::updateOutputs()"
lessees = <optimized out>
addedOutputs = {d = 0x560c114abb80}
removedConnectors = {d = 0x7f98469fb720 <QArrayData::shared_null>}
#5 0x00007f983fcb8246 in KWin::DrmBackend::updateOutputs (this=0x560c10e8b970)
at /srcbuild/kwin/src/backends/drm/drm_backend.cpp:316
gpu = 0x560c10ecfd20
it = 0x560c10f3edf8
oldOutputs = {d = 0x7f98469fb720 <QArrayData::shared_null>}
__PRETTY_FUNCTION__ = "void KWin::DrmBackend::updateOutputs()"
#6 0x00007f984699940e in ?? () from /opt/lib/x86_64-linux-gnu/libQt5Core.so.5
No symbol table info available.
#7 0x00007f9847d193a9 in KWin::Compositor::setupStart (this=0x560c10fb4070) at
/srcbuild/kwin/src/composite.cpp:324
supportedCompositors = {d = 0x560c10fb2d80}
userConfigIt = 0x560c10fb2d98
__PRETTY_FUNCTION__ = {<optimized out> <repeats 36 times>}
#8 0x00007f9847d193f1 in KWin::WaylandCompositor::start (this=0x560c10fb4070)
at /srcbuild/kwin/src/composite.cpp:764
No locals.
#9 0x00007f98469927f4 in QObject::event(QEvent*) () from
/opt/lib/x86_64-linux-gnu/libQt5Core.so.5
No symbol table info available.
#10 0x00007f98460910dd in QApplicationPrivate::notify_helper(QObject*, QEvent*)
()
from /opt/lib/x86_64-linux-gnu/libQt5Widgets.so.5
No symbol table info available.
#11 0x00007f984697bf62 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
()
from /opt/lib/x86_64-linux-gnu/libQt5Core.so.5
No symbol table info available.
#12 0x00007f984697c1c9 in QCoreApplicationPrivate::sendPostedEvents(QObject*,
int, QThreadData*) ()
from /opt/lib/x86_64-linux-gnu/libQt5Core.so.5
No symbol table info available.
#13 0x00007f98469aaf84 in
QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /opt/lib/x86_64-linux-gnu/libQt5Core.so.5
No symbol table info available.
#14 0x0000560c0f0dc088 in
QUnixEventDispatcherQPA::processEvents(QFlags<QEventLoop::ProcessEventsFlag>)
()
No symbol table info available.
#15 0x00007f9846979afa in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /opt/lib/x86_64-linux-gnu/libQt5Core.so.5
No symbol table info available.
#16 0x00007f984697dcd1 in QCoreApplication::exec() () from
/opt/lib/x86_64-linux-gnu/libQt5Core.so.5
No symbol table info available.
#17 0x0000560c0f03f1e2 in main (argc=<optimized out>, argv=<optimized out>) at
/srcbuild/kwin/src/main_wayland.cpp:657
environment = {d = {d = 0x560c10e533c0}}
a = {<KWin::ApplicationWaylandAbstract> = {<KWin::Application> =
{<QApplication> = {<No data fields>},
static staticMetaObject = {d = {superdata = {direct =
0x7f9846432f60 <QApplication::staticMetaObject>},
stringdata = 0x7f9847eeda20
<qt_meta_stringdata_KWin__Application>,
data = 0x7f9847eed8c0 <qt_meta_data_KWin__Application>,
static_metacall = 0x7f9847cf859a
<KWin::Application::qt_static_metacall(QObject*, QMetaObject::Call, int,
void**)>, relatedMetaObjects = 0x0, extradata = 0x0}}, static crashes = 0,
m_eventFilters =
{<QListSpecialMethods<QPointer<KWin::X11EventFilterContainer> >> = {<No data
fields>}, {p = {
static shared_null = {ref = {atomic = {_q_value =
{<std::__atomic_base<int>> = {static _S_alignment = 4,
_M_i = -1}, static is_always_lock_free = true}}},
alloc = 0, begin = 0, end = 0, array = {
0x0}}, d = 0x7f98469fc1d0 <QListData::shared_null>}, d
= 0x7f98469fc1d0 <QListData::shared_null>}},
m_genericEventFilters =
{<QListSpecialMethods<QPointer<KWin::X11EventFilterContainer> >> = {<No data
fields>}, {
p = {static shared_null = {ref = {atomic = {_q_value =
{<std::__atomic_base<int>> = {
static _S_alignment = 4, _M_i = -1}, static
is_always_lock_free = true}}}, alloc = 0,
begin = 0, end = 0, array = {0x0}}, d = 0x7f98469fc1d0
<QListData::shared_null>},
d = 0x7f98469fc1d0 <QListData::shared_null>}}, m_eventFilter
= {d = 0x560c10e7bd00}, m_configLock = false,
m_config = {d = 0x560c10ec6c70}, m_kxkbConfig = {d =
0x560c10ec6870},
m_operationMode = KWin::Application::OperationModeXwayland,
m_x11Time = 0, m_rootWindow = 0,
m_connection = 0x0, m_defaultScreen = 0x0, m_useKActivities =
true, m_platform = 0x560c10e8b970,
m_terminating = false, m_isClosingX11Connection = false}, static
staticMetaObject = {d = {superdata = {
direct = 0x7f9848031d80
<KWin::Application::staticMetaObject>},
stringdata = 0x7f9847eed880
<qt_meta_stringdata_KWin__ApplicationWaylandAbstract>,
data = 0x7f9847eed840
<qt_meta_data_KWin__ApplicationWaylandAbstract>,
static_metacall = 0x7f9847cf73c8
<KWin::ApplicationWaylandAbstract::qt_static_metacall(QObject*,
QMetaObject::Call, int, void**)>, relatedMetaObjects = 0x0, extradata = 0x0}}},
static staticMetaObject = {d = {superdata = {
direct = 0x7f9848031d40
<KWin::ApplicationWaylandAbstract::staticMetaObject>},
stringdata = 0x560c0f0de2e0
<qt_meta_stringdata_KWin__ApplicationWayland>,
data = 0x560c0f0de2a0 <qt_meta_data_KWin__ApplicationWayland>,
static_metacall = 0x560c0f040916
<KWin::ApplicationWayland::qt_static_metacall(QObject*, QMetaObject::Call, int,
void**)>, relatedMetaObjects = 0x0, extradata = 0x0}}, m_startXWayland = true,
m_applicationsToStart = {<QList<QString>> =
{<QListSpecialMethods<QString>> = {<No data fields>}, {p = {
static shared_null = {ref = {atomic = {_q_value =
{<std::__atomic_base<int>> = {static _S_alignment = 4,
_M_i = -1}, static is_always_lock_free = true}}},
alloc = 0, begin = 0, end = 0, array = {0x0}},
d = 0x7f98469fc1d0 <QListData::shared_null>},
d = 0x7f98469fc1d0 <QListData::shared_null>}}, <No data
fields>}, m_inputMethodServerToStart = {
static null = {<No data fields>}, d = 0x7f98469fb720
<QArrayData::shared_null>}, m_environment = {d = {
d = 0x560c10e533c0}}, m_sessionArgument = {static null = {<No
data fields>},
d = 0x7f98469fb720 <QArrayData::shared_null>}, m_xwayland = 0x0,
m_xwaylandListenFds = {d = 0x7f983800f710},
m_xwaylandDisplay = {static null = {<No data fields>}, d =
0x560c10e8b640}, m_xwaylandXauthority = {
static null = {<No data fields>}, d = 0x560c10e8b0d0},
m_settingsWatcher = {value = 0x0, d = 0x0}}
availablePlugins = {d = 0x560c10e7d260}
hasPlugin = {__availablePlugins = @0x7fff08fe5b08}
hasSizeOption = <optimized out>
hasOutputCountOption = 8
hasX11Option = true
hasVirtualOption = true
hasWaylandOption = true
hasDrmOption = <optimized out>
xwaylandOption = {d = {d = 0x560c10e8d900}}
waylandSocketOption = {d = {d = 0x560c10e7c890}}
x11DisplayOption = {d = {d = 0x560c10e8ebf0}}
waylandDisplayOption = {d = {d = 0x560c10e8ea70}}
virtualFbOption = {d = {d = 0x560c10e92550}}
widthOption = {d = {d = 0x560c10eb3840}}
heightOption = {d = {d = 0x560c10e8eab0}}
scaleOption = {d = {d = 0x560c10e8ec30}}
outputCountOption = {d = {d = 0x560c10e92590}}
waylandSocketFdOption = {d = {d = 0x560c10e61c60}}
xwaylandListenFdOption = {d = {d = 0x560c10e8e830}}
xwaylandDisplayOption = {d = {d = 0x560c10e9c820}}
xwaylandXAuthorityOption = {d = {d = 0x560c10eb38b0}}
replaceOption = {d = {d = 0x560c10eb3920}}
parser = {d = 0x560c10e6bc50}
drmOption = {d = {d = 0x560c10e8ad50}}
inputMethodOption = {d = {d = 0x560c10e8adf0}}
listBackendsOption = {d = {d = 0x560c10e8af50}}
screenLockerOption = {d = {d = 0x560c10e8aff0}}
noScreenLockerOption = {d = {d = 0x560c10e8b090}}
noGlobalShortcutsOption = {d = {d = 0x560c10e8b190}}
noActivitiesOption = {d = {d = 0x560c10e8b230}}
exitWithSessionOption = {d = {d = 0x560c10e8b340}}
pluginName = {static null = {<No data fields>},
d = 0x560c0f0df9a0 <KWin::s_drmPlugin::{lambda()#1}::operator()()
const::qstring_literal>}
initialWindowSize = {wd = <optimized out>, ht = <optimized out>}
deviceIdentifier = {d = 0x7f98469fb720 <QArrayData::shared_null>}
outputCount = 150887312
outputScale = <optimized out>
pluginIt = 0x7fff08fe5c08
server = <optimized out>
flags = {i = 150887416}
socketName = {static null = {<No data fields>}, d = 0x560c10e8b550}
```
Thanks
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