Since about a month plasma-discover, RStudio, and a java script (cafetran) do no longer launch. Here is the report for plasma-discover. The "segment fault" always shows. What is the problem? Thanks, R Application: Discover (plasma-discover), signal: Segmentation fault Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1". [Current thread is 1 (Thread 0x7fe607737f40 (LWP 80787))] Thread 8 (Thread 0x7fe5ef2cf700 (LWP 80794)): #0 futex_wait_cancelable (private=, expected=0, futex_word=0x7fe6000046c8) at ../sysdeps/nptl/futex-internal.h:183 #1 __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x7fe600004678, cond=0x7fe6000046a0) at pthread_cond_wait.c:508 #2 __pthread_cond_wait (cond=0x7fe6000046a0, mutex=0x7fe600004678) at pthread_cond_wait.c:638 #3 0x00007fe5f6253b5b in () at /usr/lib/x86_64-linux-gnu/dri/r300_dri.so #4 0x00007fe5f625375b in () at /usr/lib/x86_64-linux-gnu/dri/r300_dri.so #5 0x00007fe60accd609 in start_thread (arg=) at pthread_create.c:477 #6 0x00007fe60b94e293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 7 (Thread 0x7fe5efad0700 (LWP 80793)): #0 futex_wait_cancelable (private=, expected=0, futex_word=0x7fe6000046c8) at ../sysdeps/nptl/futex-internal.h:183 #1 __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x7fe600004678, cond=0x7fe6000046a0) at pthread_cond_wait.c:508 #2 __pthread_cond_wait (cond=0x7fe6000046a0, mutex=0x7fe600004678) at pthread_cond_wait.c:638 #3 0x00007fe5f6253b5b in () at /usr/lib/x86_64-linux-gnu/dri/r300_dri.so #4 0x00007fe5f625375b in () at /usr/lib/x86_64-linux-gnu/dri/r300_dri.so #5 0x00007fe60accd609 in start_thread (arg=) at pthread_create.c:477 #6 0x00007fe60b94e293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 6 (Thread 0x7fe5f02d1700 (LWP 80792)): #0 futex_wait_cancelable (private=, expected=0, futex_word=0x7fe6000046c8) at ../sysdeps/nptl/futex-internal.h:183 #1 __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x7fe600004678, cond=0x7fe6000046a0) at pthread_cond_wait.c:508 #2 __pthread_cond_wait (cond=0x7fe6000046a0, mutex=0x7fe600004678) at pthread_cond_wait.c:638 #3 0x00007fe5f6253b5b in () at /usr/lib/x86_64-linux-gnu/dri/r300_dri.so #4 0x00007fe5f625375b in () at /usr/lib/x86_64-linux-gnu/dri/r300_dri.so #5 0x00007fe60accd609 in start_thread (arg=) at pthread_create.c:477 #6 0x00007fe60b94e293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 5 (Thread 0x7fe5f0ad2700 (LWP 80791)): #0 futex_wait_cancelable (private=, expected=0, futex_word=0x7fe6000046c8) at ../sysdeps/nptl/futex-internal.h:183 #1 __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x7fe600004678, cond=0x7fe6000046a0) at pthread_cond_wait.c:508 #2 __pthread_cond_wait (cond=0x7fe6000046a0, mutex=0x7fe600004678) at pthread_cond_wait.c:638 #3 0x00007fe5f6253b5b in () at /usr/lib/x86_64-linux-gnu/dri/r300_dri.so #4 0x00007fe5f625375b in () at /usr/lib/x86_64-linux-gnu/dri/r300_dri.so #5 0x00007fe60accd609 in start_thread (arg=) at pthread_create.c:477 #6 0x00007fe60b94e293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 4 (Thread 0x7fe60522e700 (LWP 80790)): #0 0x00007fe60a40c0f2 in () at /lib/x86_64-linux-gnu/libglib-2.0.so.0 #1 0x00007fe60a40dadf in g_main_context_check () at /lib/x86_64-linux-gnu/libglib-2.0.so.0 #2 0x00007fe60a40e132 in () at /lib/x86_64-linux-gnu/libglib-2.0.so.0 #3 0x00007fe60a40e2c3 in g_main_context_iteration () at /lib/x86_64-linux-gnu/libglib-2.0.so.0 #4 0x00007fe60bedf583 in QEventDispatcherGlib::processEvents(QFlags) () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #5 0x00007fe60be864db in QEventLoop::exec(QFlags) () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #6 0x00007fe60bcbe785 in QThread::exec() () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #7 0x00007fe60c53b1a9 in () at /lib/x86_64-linux-gnu/libQt5Qml.so.5 #8 0x00007fe60bcbf9d2 in () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #9 0x00007fe60accd609 in start_thread (arg=) at pthread_create.c:477 #10 0x00007fe60b94e293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 3 (Thread 0x7fe605a2f700 (LWP 80789)): #0 0x00007fe60b941aff in __GI___poll (fds=0x7fe5f80029e0, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29 #1 0x00007fe60a40e18e in () at /lib/x86_64-linux-gnu/libglib-2.0.so.0 #2 0x00007fe60a40e2c3 in g_main_context_iteration () at /lib/x86_64-linux-gnu/libglib-2.0.so.0 #3 0x00007fe60bedf583 in QEventDispatcherGlib::processEvents(QFlags) () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #4 0x00007fe60be864db in QEventLoop::exec(QFlags) () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #5 0x00007fe60bcbe785 in QThread::exec() () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #6 0x00007fe60d373efa in () at /lib/x86_64-linux-gnu/libQt5DBus.so.5 #7 0x00007fe60bcbf9d2 in () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #8 0x00007fe60accd609 in start_thread (arg=) at pthread_create.c:477 #9 0x00007fe60b94e293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 2 (Thread 0x7fe606602700 (LWP 80788)): #0 0x00007fe60b941aff in __GI___poll (fds=0x7fe606601ba8, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29 #1 0x00007fe60a300c1a in () at /lib/x86_64-linux-gnu/libxcb.so.1 #2 0x00007fe60a30290a in xcb_wait_for_event () at /lib/x86_64-linux-gnu/libxcb.so.1 #3 0x00007fe606e01298 in () at /lib/x86_64-linux-gnu/libQt5XcbQpa.so.5 #4 0x00007fe60bcbf9d2 in () at /lib/x86_64-linux-gnu/libQt5Core.so.5 #5 0x00007fe60accd609 in start_thread (arg=) at pthread_create.c:477 #6 0x00007fe60b94e293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 1 (Thread 0x7fe607737f40 (LWP 80787)): [KCrash Handler] #6 0x0000000000000000 in () #7 0x00007fe5f641554c in () at /usr/lib/x86_64-linux-gnu/dri/r300_dri.so #8 0x00007fe5f5edfbf4 in () at /usr/lib/x86_64-linux-gnu/dri/r300_dri.so #9 0x00007fe5f5ee0e84 in () at /usr/lib/x86_64-linux-gnu/dri/r300_dri.so #10 0x00007fe5f5ebe502 in () at /usr/lib/x86_64-linux-gnu/dri/r300_dri.so #11 0x00007fe5f6413bf7 in () at /usr/lib/x86_64-linux-gnu/dri/r300_dri.so #12 0x00007fe5f77bff53 in () at /lib/x86_64-linux-gnu/libGLX_mesa.so.0 #13 0x00007fe5f77b0119 in () at /lib/x86_64-linux-gnu/libGLX_mesa.so.0 #14 0x00007fe5f7843b0d in () at /usr/lib/x86_64-linux-gnu/qt5/plugins/xcbglintegrations/libqxcb-glx-integration.so #15 0x00007fe5f7843b1d in () at /usr/lib/x86_64-linux-gnu/qt5/plugins/xcbglintegrations/libqxcb-glx-integration.so #16 0x00007fe60c83bd2f in QOpenGLContext::destroy() () at /lib/x86_64-linux-gnu/libQt5Gui.so.5 #17 0x00007fe60c83bfdb in QOpenGLContext::~QOpenGLContext() () at /lib/x86_64-linux-gnu/libQt5Gui.so.5 #18 0x00007fe5f7845f80 in () at /usr/lib/x86_64-linux-gnu/qt5/plugins/xcbglintegrations/libqxcb-glx-integration.so #19 0x00007fe5f784677d in () at /usr/lib/x86_64-linux-gnu/qt5/plugins/xcbglintegrations/libqxcb-glx-integration.so #20 0x00007fe60d92f215 in QSGRenderLoop::instance() () at /lib/x86_64-linux-gnu/libQt5Quick.so.5 #21 0x00007fe60d9a6fe9 in QQuickWindowPrivate::init(QQuickWindow*, QQuickRenderControl*) () at /lib/x86_64-linux-gnu/libQt5Quick.so.5 #22 0x00007fe60da698e6 in QQuickWindowQmlImpl::QQuickWindowQmlImpl(QWindow*) () at /lib/x86_64-linux-gnu/libQt5Quick.so.5 #23 0x00007fe5f7b21117 in QQuickApplicationWindow::QQuickApplicationWindow(QWindow*) () at /lib/x86_64-linux-gnu/libQt5QuickTemplates2.so.5 #24 0x00007fe5f7923a4f in () at /usr/lib/x86_64-linux-gnu/qt5/qml/QtQuick/Templates.2/libqtquicktemplates2plugin.so #25 0x00007fe60c4b666a in QQmlType::create(QObject**, void**, unsigned long) const () at /lib/x86_64-linux-gnu/libQt5Qml.so.5 #26 0x00007fe60c51ff00 in QQmlObjectCreator::createInstance(int, QObject*, bool) () at /lib/x86_64-linux-gnu/libQt5Qml.so.5 #27 0x00007fe60c52189c in QQmlObjectCreator::create(int, QObject*, QQmlInstantiationInterrupt*) () at /lib/x86_64-linux-gnu/libQt5Qml.so.5 #28 0x00007fe60c5202fa in QQmlObjectCreator::createInstance(int, QObject*, bool) () at /lib/x86_64-linux-gnu/libQt5Qml.so.5 #29 0x00007fe60c52189c in QQmlObjectCreator::create(int, QObject*, QQmlInstantiationInterrupt*) () at /lib/x86_64-linux-gnu/libQt5Qml.so.5 #30 0x00007fe60c5202fa in QQmlObjectCreator::createInstance(int, QObject*, bool) () at /lib/x86_64-linux-gnu/libQt5Qml.so.5 #31 0x00007fe60c52189c in QQmlObjectCreator::create(int, QObject*, QQmlInstantiationInterrupt*) () at /lib/x86_64-linux-gnu/libQt5Qml.so.5 #32 0x00007fe60c5202fa in QQmlObjectCreator::createInstance(int, QObject*, bool) () at /lib/x86_64-linux-gnu/libQt5Qml.so.5 #33 0x00007fe60c52189c in QQmlObjectCreator::create(int, QObject*, QQmlInstantiationInterrupt*) () at /lib/x86_64-linux-gnu/libQt5Qml.so.5 #34 0x00007fe60c5202fa in QQmlObjectCreator::createInstance(int, QObject*, bool) () at /lib/x86_64-linux-gnu/libQt5Qml.so.5 #35 0x00007fe60c52189c in QQmlObjectCreator::create(int, QObject*, QQmlInstantiationInterrupt*) () at /lib/x86_64-linux-gnu/libQt5Qml.so.5 #36 0x00007fe60c49b06f in QQmlComponentPrivate::beginCreate(QQmlContextData*) () at /lib/x86_64-linux-gnu/libQt5Qml.so.5 #37 0x00007fe60c4997b6 in QQmlComponent::create(QQmlContext*) () at /lib/x86_64-linux-gnu/libQt5Qml.so.5 #38 0x00007fe60c5102d7 in QQmlApplicationEnginePrivate::finishLoad(QQmlComponent*) () at /lib/x86_64-linux-gnu/libQt5Qml.so.5 #39 0x00007fe60c5107a6 in QQmlApplicationEnginePrivate::startLoad(QUrl const&, QByteArray const&, bool) () at /lib/x86_64-linux-gnu/libQt5Qml.so.5 #40 0x00007fe60c5107e1 in QQmlApplicationEngine::load(QUrl const&) () at /lib/x86_64-linux-gnu/libQt5Qml.so.5 #41 0x0000563fc25ef143 in () #42 0x0000563fc25e1320 in () #43 0x00007fe60b8530b3 in __libc_start_main (main=0x563fc25e0d00, argc=1, argv=0x7ffda3198db8, init=, fini=, rtld_fini=, stack_end=0x7ffda3198da8) at ../csu/libc-start.c:308 #44 0x0000563fc25e1b1e in _start () [Inferior 1 (process 80787) detached]

When	Who	Action	New State
2021-02-05	Rock Ouimet	Comment	Open
2021-02-05	Colin Watson	Answer	Answered

Launchpad itself

History of question #695398