Additional testing seems to support that these problems (graphical corruption, plasma crashes) occur with multiple monitors, and do not occur without them. I will update the description and systems affected by the bug.
Is it the case that Kubuntu 9.04 does not work with multiple monitors? Another crash, this time w/ more debug symbols installed: This backtrace appears to be of no use. This is probably because your packages are built in a way which prevents creation of proper backtraces, or the stack frame was seriously corrupted in the crash. [Thread debugging using libthread_db enabled] [New Thread 0x7ff756507760 (LWP 4691)] [New Thread 0x7ff72a93e950 (LWP 13234)] [New Thread 0x7ff72b13f950 (LWP 13233)] [New Thread 0x7ff733b99950 (LWP 12356)] [New Thread 0x7ff73439a950 (LWP 4697)] [New Thread 0x7ff734fb9950 (LWP 4695)] [New Thread 0x7ff736424950 (LWP 4694)] 0x00007ff750db7d21 in nanosleep () from /lib/libc.so.6 Current language: auto; currently c [Current thread is 0 (LWP 4691)] Thread 7 (Thread 0x7ff736424950 (LWP 4694)): #0 pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:261 #1 0x00007ff751899939 in QWaitCondition::wait () from /usr/lib/libQtCore.so.4 #2 0x00007ff7550554cc in ?? () from /usr/lib/libQtNetwork.so.4 #3 0x00007ff751898952 in ?? () from /usr/lib/libQtCore.so.4 #4 0x00007ff74e1ed3ba in start_thread (arg=<value optimized out>) at pthread_create.c:297 #5 0x00007ff750df5fcd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112 #6 0x0000000000000000 in ?? () Thread 6 (Thread 0x7ff734fb9950 (LWP 4695)): #0 0x00007ff750dee742 in select () from /lib/libc.so.6 #1 0x00007ff75195ff06 in ?? () from /usr/lib/libQtCore.so.4 #2 0x00007ff751898952 in ?? () from /usr/lib/libQtCore.so.4 #3 0x00007ff74e1ed3ba in start_thread (arg=<value optimized out>) at pthread_create.c:297 #4 0x00007ff750df5fcd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112 #5 0x0000000000000000 in ?? () Current language: auto; currently asm Thread 5 (Thread 0x7ff73439a950 (LWP 4697)): #0 pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:261 #1 0x00007ff751899939 in QWaitCondition::wait () from /usr/lib/libQtCore.so.4 #2 0x00007ff73796cd4e in RenderThread::run (this=0x13067f8) at /build/buildd/kdebase-workspace-4.2.2/plasma/wallpapers/image/renderthread.cpp:91 #3 0x00007ff751898952 in ?? () from /usr/lib/libQtCore.so.4 #4 0x00007ff74e1ed3ba in start_thread (arg=<value optimized out>) at pthread_create.c:297 #5 0x00007ff750df5fcd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112 #6 0x0000000000000000 in ?? () Current language: auto; currently c Thread 4 (Thread 0x7ff733b99950 (LWP 12356)): #0 pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:261 #1 0x00007ff751899939 in QWaitCondition::wait () from /usr/lib/libQtCore.so.4 #2 0x00007ff73796cd4e in RenderThread::run (this=0x12e4218) at /build/buildd/kdebase-workspace-4.2.2/plasma/wallpapers/image/renderthread.cpp:91 #3 0x00007ff751898952 in ?? () from /usr/lib/libQtCore.so.4 #4 0x00007ff74e1ed3ba in start_thread (arg=<value optimized out>) at pthread_create.c:297 #5 0x00007ff750df5fcd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112 #6 0x0000000000000000 in ?? () Current language: auto; currently asm Thread 3 (Thread 0x7ff72b13f950 (LWP 13233)): #0 pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:261 #1 0x00007ff751899939 in QWaitCondition::wait () from /usr/lib/libQtCore.so.4 #2 0x00007ff73796cd4e in RenderThread::run (this=0x1187ea8) at /build/buildd/kdebase-workspace-4.2.2/plasma/wallpapers/image/renderthread.cpp:91 #3 0x00007ff751898952 in ?? () from /usr/lib/libQtCore.so.4 #4 0x00007ff74e1ed3ba in start_thread (arg=<value optimized out>) at pthread_create.c:297 #5 0x00007ff750df5fcd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112 #6 0x0000000000000000 in ?? () Thread 2 (Thread 0x7ff72a93e950 (LWP 13234)): #0 pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:261 #1 0x00007ff751899939 in QWaitCondition::wait () from /usr/lib/libQtCore.so.4 #2 0x00007ff73796cd4e in RenderThread::run (this=0x11938e8) at /build/buildd/kdebase-workspace-4.2.2/plasma/wallpapers/image/renderthread.cpp:91 #3 0x00007ff751898952 in ?? () from /usr/lib/libQtCore.so.4 #4 0x00007ff74e1ed3ba in start_thread (arg=<value optimized out>) at pthread_create.c:297 #5 0x00007ff750df5fcd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112 #6 0x0000000000000000 in ?? () Thread 1 (Thread 0x7ff756507760 (LWP 4691)): #0 0x00007ff750db7d21 in nanosleep () from /lib/libc.so.6 #1 0x00007ff750db7b47 in __sleep (seconds=<value optimized out>) at ../sysdeps/unix/sysv/linux/sleep.c:138 #2 0x00007ff7547e8b1f in ?? () from /usr/lib/libkdeui.so.5 #3 0x00007ff7547e942a in KCrash::defaultCrashHandler () from /usr/lib/libkdeui.so.5 #4 <signal handler called> #5 0x0000000000000000 in ?? () #6 0x00007ff75226e1c4 in ?? () from /usr/lib/libQtGui.so.4 #7 0x00007ff75226fe9e in ?? () from /usr/lib/libQtGui.so.4 #8 0x00007ff7522a3d87 in ?? () from /usr/lib/libQtGui.so.4 #9 0x00007ff752247e99 in ?? () from /usr/lib/libQtGui.so.4 #10 0x00007ff75224ff2b in ?? () from /usr/lib/libQtGui.so.4 #11 0x00007ff75225ad01 in ?? () from /usr/lib/libQtGui.so.4 #12 0x00007ff7521e6b8d in ?? () from /usr/lib/libQtGui.so.4 #13 0x00007ff7521e9b27 in QPainter::drawRects () from /usr/lib/libQtGui.so.4 #14 0x00007ff7521ebc7e in QPainter::drawPixmap () from /usr/lib/libQtGui.so.4 #15 0x00007ff755db873f in Plasma::Svg::paint () from /usr/lib/libplasma.so.3 #16 0x00007ff755dd8994 in ?? () from /usr/lib/libplasma.so.3 #17 0x00007ff755dd884a in Plasma::Meter::paint () from /usr/lib/libplasma.so.3 #18 0x00007ff7526adff5 in ?? () from /usr/lib/libQtGui.so.4 #19 0x00007ff7526af6e8 in ?? () from /usr/lib/libQtGui.so.4 #20 0x00007ff7526b17fe in QGraphicsScene::drawItems () from /usr/lib/libQtGui.so.4 #21 0x00007ff7526d3540 in QGraphicsView::paintEvent () from /usr/lib/libQtGui.so.4 #22 0x00007ff752117796 in QWidget::event () from /usr/lib/libQtGui.so.4 #23 0x00007ff7524b16eb in QFrame::event () from /usr/lib/libQtGui.so.4 #24 0x00007ff7526cdffb in QGraphicsView::viewportEvent () from /usr/lib/libQtGui.so.4 #25 0x00007ff751980a68 in QCoreApplicationPrivate::sendThroughObjectEventFilters () from /usr/lib/libQtCore.so.4 #26 0x00007ff7520c680c in QApplicationPrivate::notify_helper () from /usr/lib/libQtGui.so.4 #27 0x00007ff7520cea2a in QApplication::notify () from /usr/lib/libQtGui.so.4 #28 0x00007ff75478326b in KApplication::notify () from /usr/lib/libkdeui.so.5 #29 0x00007ff75198175c in QCoreApplication::notifyInternal () from /usr/lib/libQtCore.so.4 #30 0x00007ff75211ea55 in QWidgetPrivate::drawWidget () from /usr/lib/libQtGui.so.4 #31 0x00007ff7522c23ae in ?? () from /usr/lib/libQtGui.so.4 #32 0x00007ff752110100 in QWidgetPrivate::syncBackingStore () from /usr/lib/libQtGui.so.4 #33 0x00007ff75211762d in QWidget::event () from /usr/lib/libQtGui.so.4 #34 0x00007ff7524b16eb in QFrame::event () from /usr/lib/libQtGui.so.4 #35 0x00007ff752542c29 in QAbstractScrollArea::event () from /usr/lib/libQtGui.so.4 #36 0x00007ff7520c683d in QApplicationPrivate::notify_helper () from /usr/lib/libQtGui.so.4 #37 0x00007ff7520cea2a in QApplication::notify () from /usr/lib/libQtGui.so.4 #38 0x00007ff75478326b in KApplication::notify () from /usr/lib/libkdeui.so.5 #39 0x00007ff75198175c in QCoreApplication::notifyInternal () from /usr/lib/libQtCore.so.4 #40 0x00007ff7519823ca in QCoreApplicationPrivate::sendPostedEvents () from /usr/lib/libQtCore.so.4 #41 0x00007ff7519ab1e3 in ?? () from /usr/lib/libQtCore.so.4 #42 0x00007ff74c5bd20a in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0 #43 0x00007ff74c5c08e0 in ?? () from /usr/lib/libglib-2.0.so.0 #44 0x00007ff74c5c0a7c in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0 #45 0x00007ff7519aae6f in QEventDispatcherGlib::processEvents () from /usr/lib/libQtCore.so.4 #46 0x00007ff75215ec9f in ?? () from /usr/lib/libQtGui.so.4 #47 0x00007ff751980002 in QEventLoop::processEvents () from /usr/lib/libQtCore.so.4 #48 0x00007ff7519803cd in QEventLoop::exec () from /usr/lib/libQtCore.so.4 #49 0x00007ff751982694 in QCoreApplication::exec () from /usr/lib/libQtCore.so.4 #50 0x00007ff7560e29bb in kdemain (argc=1, argv=0x7fff5e542ee8) at /build/buildd/kdebase-workspace-4.2.2/plasma/shells/desktop/main.cpp:54 #51 0x00007ff750d2e5a6 in __libc_start_main (main=0x400890 <main>, argc=1, ubp_av=0x7fff5e542ee8, init=0x4008c0 <__libc_csu_init>, fini=<value optimized out>, rtld_fini=<value optimized out>, stack_end=0x7fff5e542ed8) at libc-start.c:220 #52 0x00000000004007c9 in _start () at ../sysdeps/x86_64/elf/start.S:113 #0 0x00007ff750db7d21 in nanosleep () from /lib/libc.so.6 Current language: auto; currently c ** Summary changed: - plasma paint errors, crashes with SIGSEGV + KDE, Qt, Plasma paint errors, SIGSEGV crashes when using multiple monitors -- KDE, Qt, Plasma paint errors, SIGSEGV crashes when using multiple monitors https://bugs.launchpad.net/bugs/366300 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs