[Bug 1923053] Re: nextcloud crashed with SIGSEGV.
** Description changed: + [Impact] + + * The software fails to start, so is rendered useless to an end user + + * Until recently LTO had not been enabled for the builds. + + + [Test Plan] + + * Start the client. The client should start normally. + + * Test the normal functionality as used by the tester. Optionally try + some features not normally used, if they exist. + + + [Where problems could occur] + + * Any rebuilding against a newer toolchain/libraries can have + unintended consequences for features, new crashes etc. Therefore testers + (where possible) should do more than just test if 'it starts'. + + + * original report continues ** + $ lsb_release -rd Description: Ubuntu Hirsute Hippo (development branch) Release: 21.04 $ apt-cache policy nextcloud-desktop nextcloud-desktop: Installed: 3.1.1-1ubuntu1 Candidate: 3.1.1-1ubuntu1 Version table: *** 3.1.1-1ubuntu1 500 500 http://gb.archive.ubuntu.com/ubuntu hirsute/universe amd64 Packages 100 /var/lib/dpkg/status Since the last update, when I try to launch the nextcloud app it crashes with a Segmentation fault. ProblemType: Crash DistroRelease: Ubuntu 21.04 Package: nextcloud-desktop 3.1.1-1ubuntu1 ProcVersionSignature: Ubuntu 5.11.0-13.14-generic 5.11.7 Uname: Linux 5.11.0-13-generic x86_64 NonfreeKernelModules: nvidia_modeset nvidia ApportVersion: 2.20.11-0ubuntu62 Architecture: amd64 CasperMD5CheckResult: unknown CurrentDesktop: GNOME Date: Thu Apr 8 14:15:21 2021 ExecutablePath: /usr/bin/nextcloud InstallationDate: Installed on 2019-11-02 (523 days ago) InstallationMedia: Ubuntu 19.10 "Eoan Ermine" - Release amd64 (20191017) JournalErrors: - Error: command ['journalctl', '-b', '--priority=warning', '--lines=1000'] failed with exit code 1: [0;1;39mHint: You are currently not seeing messages from other users and the system.[0m - [0;1;39m Users in groups 'adm', 'systemd-journal' can see all messages.[0m - [0;1;39m Pass -q to turn off this notice.[0m - [0;1;31mNo journal files were opened due to insufficient permissions.[0m + Error: command ['journalctl', '-b', '--priority=warning', '--lines=1000'] failed with exit code 1: [0;1;39mHint: You are currently not seeing messages from other users and the system.[0m + [0;1;39m Users in groups 'adm', 'systemd-journal' can see all messages.[0m + [0;1;39m Pass -q to turn off this notice.[0m + [0;1;31mNo journal files were opened due to insufficient permissions.[0m ProcCmdline: /usr/bin/nextcloud ProcEnviron: - SHELL=/bin/bash - LANGUAGE=en_GB:en - LANG=en_GB.UTF-8 - XDG_RUNTIME_DIR= - PATH=(custom, user) + SHELL=/bin/bash + LANGUAGE=en_GB:en + LANG=en_GB.UTF-8 + XDG_RUNTIME_DIR= + PATH=(custom, user) SegvAnalysis: - Segfault happened at: 0x7ff4a476963f:mov0x8(%rdi),%r15 - PC (0x7ff4a476963f) ok - source "0x8(%rdi)" (0x0008) not located in a known VMA region (needed readable region)! - destination "%r15" ok + Segfault happened at: 0x7ff4a476963f:mov0x8(%rdi),%r15 + PC (0x7ff4a476963f) ok + source "0x8(%rdi)" (0x0008) not located in a known VMA region (needed readable region)! + destination "%r15" ok SegvReason: reading NULL VMA Signal: 11 SourcePackage: nextcloud-desktop StacktraceTop: - () at /lib/x86_64-linux-gnu/libQt5Core.so.5 - QGuiApplication::screenAdded(QScreen*) () at /lib/x86_64-linux-gnu/libQt5Gui.so.5 - QWindowSystemInterface::handleScreenAdded(QPlatformScreen*, bool) () at /lib/x86_64-linux-gnu/libQt5Gui.so.5 - QXcbConnection::initializeScreens() () at /lib/x86_64-linux-gnu/libQt5XcbQpa.so.5 - QXcbConnection::QXcbConnection(QXcbNativeInterface*, bool, unsigned int, char const*) () at /lib/x86_64-linux-gnu/libQt5XcbQpa.so.5 + () at /lib/x86_64-linux-gnu/libQt5Core.so.5 + QGuiApplication::screenAdded(QScreen*) () at /lib/x86_64-linux-gnu/libQt5Gui.so.5 + QWindowSystemInterface::handleScreenAdded(QPlatformScreen*, bool) () at /lib/x86_64-linux-gnu/libQt5Gui.so.5 + QXcbConnection::initializeScreens() () at /lib/x86_64-linux-gnu/libQt5XcbQpa.so.5 + QXcbConnection::QXcbConnection(QXcbNativeInterface*, bool, unsigned int, char const*) () at /lib/x86_64-linux-gnu/libQt5XcbQpa.so.5 Title: nextcloud crashed with SIGSEGV UpgradeStatus: Upgraded to hirsute on 2021-03-30 (8 days ago) UserGroups: dialout family libvirt mail sudo separator: ** Summary changed: - nextcloud crashed with SIGSEGV. + [SRU] nextcloud crashed with SIGSEGV. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1923053 Title: [SRU] nextcloud crashed with SIGSEGV. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/nextcloud-desktop/+bug/1923053/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/lis
[Bug 1923053] Re: nextcloud crashed with SIGSEGV.
I got the following error, fixed by moving ~/.config/Nextcloud 2021-04-22 12:46:20:892 [ fatal default ]: ENFORCE: "allow_failure" in file ./src/common/ownsql.cpp, line 265 with message: SQLITE Prepare error Aborted (core dumped) The startup SEGFAULT is gone in the no-lto build -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1923053 Title: nextcloud crashed with SIGSEGV. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/nextcloud-desktop/+bug/1923053/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1923053] Re: nextcloud crashed with SIGSEGV.
Test rebuild of the hirsute package is done with LTO disabled. Can be tested from sudo add-apt-repository ppa:rikmills/nexcloud-no-lto sudo apt-get update (yes I did make a typo when doing the ppa name) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1923053 Title: nextcloud crashed with SIGSEGV. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/nextcloud-desktop/+bug/1923053/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1923053] Re: nextcloud crashed with SIGSEGV.
** Changed in: nextcloud-desktop (Ubuntu) Importance: Undecided => High -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1923053 Title: nextcloud crashed with SIGSEGV. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/nextcloud-desktop/+bug/1923053/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1923053] Re: nextcloud crashed with SIGSEGV.
This appears to be due to building with LTO enabled on amd64 https://github.com/nextcloud/desktop/issues/2790 ** Bug watch added: github.com/nextcloud/desktop/issues #2790 https://github.com/nextcloud/desktop/issues/2790 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1923053 Title: nextcloud crashed with SIGSEGV. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/nextcloud-desktop/+bug/1923053/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1923053] Re: nextcloud crashed with SIGSEGV.
https://github.com/nextcloud/desktop/issues/3090 ** Bug watch added: github.com/nextcloud/desktop/issues #3090 https://github.com/nextcloud/desktop/issues/3090 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1923053 Title: nextcloud crashed with SIGSEGV. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/nextcloud-desktop/+bug/1923053/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1923053] Re: nextcloud crashed with SIGSEGV.
What i noticed is, that the Ubuntu Version of the package has two dependencies, that the Debian version does not have: - libqt5websockets5 - qml-module-qtqml So the segfault might be in one of these and not the nextcloud code itself. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1923053 Title: nextcloud crashed with SIGSEGV. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/nextcloud-desktop/+bug/1923053/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1923053] Re: nextcloud crashed with SIGSEGV.
can confirm that with libnextcloudsync0_3.1.1-1_amd64.deb and nextcloud- desktop_3.1.1-1_amd64.deb from debian bullseye it works again. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1923053 Title: nextcloud crashed with SIGSEGV. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/nextcloud-desktop/+bug/1923053/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1923053] Re: nextcloud crashed with SIGSEGV.
nextcloud 3.1.1 debian unstable packages works for me too (amd64) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1923053 Title: nextcloud crashed with SIGSEGV. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/nextcloud-desktop/+bug/1923053/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1923053] Re: nextcloud crashed with SIGSEGV.
I do not get the crash on arm, this is a raspberry pi 400 machine. $ lsb_release -rd Description:Ubuntu 21.04 Release:21.04 $ apt-cache policy nextcloud-desktop nextcloud-desktop: Installed: 3.1.1-1ubuntu1 Candidate: 3.1.1-1ubuntu1 Version table: *** 3.1.1-1ubuntu1 500 500 http://ports.ubuntu.com/ubuntu-ports hirsute/universe arm64 Packages 100 /var/lib/dpkg/status -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1923053 Title: nextcloud crashed with SIGSEGV. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/nextcloud-desktop/+bug/1923053/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1923053] Re: nextcloud crashed with SIGSEGV.
I have the same bug, nextcloud-devs ppa is also concerned by the problem. After manually installed nextcloud 3.1.1 debian unstable packages, nextcloud-desktop works. I think there is maybe something wrong with compilation (lto?). -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1923053 Title: nextcloud crashed with SIGSEGV. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/nextcloud-desktop/+bug/1923053/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1923053] Re: nextcloud crashed with SIGSEGV.
This problem exists on X, too -- not only on Wayland. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1923053 Title: nextcloud crashed with SIGSEGV. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/nextcloud-desktop/+bug/1923053/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1923053] Re: nextcloud crashed with SIGSEGV.
I have the same issue in Wayland. Program received signal SIGSEGV, Segmentation fault. doActivate (sender=0x0, signal_index=9, argv=0x7fffb1f0) at kernel/qobject.cpp:3768 3768kernel/qobject.cpp: No such file or directory. (gdb) bt #0 doActivate(QObject*, int, void**) (sender=0x0, signal_index=9, argv=0x7fffb1f0) at kernel/qobject.cpp:3768 #1 0x7fffeb9745a6 in QGuiApplication::screenAdded(QScreen*) () at /lib/x86_64-linux-gnu/libQt5Gui.so.5 #2 0x7fffde7464f8 in QtWaylandClient::QWaylandDisplay::handleScreenInitialized(QtWaylandClient::QWaylandScreen*) () at /lib/x86_64-linux-gnu/libQt5WaylandClient.so.5 #3 0x7fffde74fa07 in QtWaylandClient::QWaylandScreen::maybeInitialize() () at /lib/x86_64-linux-gnu/libQt5WaylandClient.so.5 #4 0x7fffea120249 in () at /lib/x86_64-linux-gnu/libffi.so.8 #5 0x7fffea11f639 in () at /lib/x86_64-linux-gnu/libffi.so.8 #6 0x7fffde6c4502 in () at /lib/x86_64-linux-gnu/libwayland-client.so.0 #7 0x7fffde6c0aea in () at /lib/x86_64-linux-gnu/libwayland-client.so.0 #8 0x7fffde6c21dc in wl_display_dispatch_queue_pending () at /lib/x86_64-linux-gnu/libwayland-client.so.0 #9 0x7fffde746145 in QtWaylandClient::QWaylandDisplay::forceRoundTrip() () at /lib/x86_64-linux-gnu/libQt5WaylandClient.so.5 #10 0x7fffde746c94 in QtWaylandClient::QWaylandDisplay::registry_global(unsigned int, QString const&, unsigned int) () at /lib/x86_64-linux-gnu/libQt5WaylandClient.so.5 #11 0x7fffde767cce in QtWayland::wl_registry::handle_global(void*, wl_registry*, unsigned int, char const*, unsigned int) () at /lib/x86_64-linux-gnu/libQt5WaylandClient.so.5 #12 0x7fffea120249 in () at /lib/x86_64-linux-gnu/libffi.so.8 #13 0x7fffea11f639 in () at /lib/x86_64-linux-gnu/libffi.so.8 #14 0x7fffde6c4502 in () at /lib/x86_64-linux-gnu/libwayland-client.so.0 #15 0x7fffde6c0aea in () at /lib/x86_64-linux-gnu/libwayland-client.so.0 #16 0x7fffde6c21dc in wl_display_dispatch_queue_pending () at /lib/x86_64-linux-gnu/libwayland-client.so.0 #17 0x7fffde746145 in QtWaylandClient::QWaylandDisplay::forceRoundTrip() () at /lib/x86_64-linux-gnu/libQt5WaylandClient.so.5 #18 0x7fffde7463fa in QtWaylandClient::QWaylandDisplay::QWaylandDisplay(QtWaylandClient::QWaylandIntegration*) () at /lib/x86_64-linux-gnu/libQt5WaylandClient.so.5 #19 0x7fffde73984f in QtWaylandClient::QWaylandIntegration::QWaylandIntegration() () at /lib/x86_64-linux-gnu/libQt5WaylandClient.so.5 #20 0x77fbd53b in () at /usr/lib/x86_64-linux-gnu/qt5/plugins/platforms/libqwayland-generic.so #21 0x7fffeb9789fc in QGuiApplicationPrivate::createPlatformIntegration() () at /lib/x86_64-linux-gnu/libQt5Gui.so.5 #22 0x7fffeb979e88 in QGuiApplicationPrivate::createEventDispatcher() () at /lib/x86_64-linux-gnu/libQt5Gui.so.5 #23 0x7fffeafaee46 in QCoreApplicationPrivate::init() (this=) at kernel/qcoreapplication.cpp:834 #24 0x7fffeb97ce02 in QGuiApplicationPrivate::init() () at /lib/x86_64-linux-gnu/libQt5Gui.so.5 #25 0x7fffef318fed in QApplicationPrivate::init() () at /lib/x86_64-linux-gnu/libQt5Widgets.so.5 #26 0x5571c68b in SharedTools::QtSingleApplication::QtSingleApplication(QString const&, int&, char**) (this=0x7fffd5b0, appId=..., argc=, argv=, this=, appId=, argc=, argv=) at ./src/3rdparty/qtsingleapplication/qtsingleapplication.cpp:56 #27 0x5563d30c in OCC::Application::Application(int&, char**) (this=0x7fffd5b0, argc=@0x7fffd55c: 1, argv=0x7fffd7b8, this=, argc=, argv=) at ./src/gui/application.cpp:116 #28 0x556093c7 in main(int, char**) (argc=, argv=0x7fffd7b8) at ./src/gui/main.cpp:80 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1923053 Title: nextcloud crashed with SIGSEGV. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/nextcloud-desktop/+bug/1923053/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1923053] Re: nextcloud crashed with SIGSEGV.
i tried with the appimage version of the client and that works ootb with the user configs etc. wget https://github.com/nextcloud/desktop/releases/download/v3.2.0/Nextcloud-3.2.0-x86_64.AppImage chmod +x Nextcloud-3.2.0-x86_64.AppImage ./Nextcloud-3.2.0-x86_64.AppImage So something is broken on the packaged version in the repos. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1923053 Title: nextcloud crashed with SIGSEGV. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/nextcloud-desktop/+bug/1923053/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1923053] Re: nextcloud crashed with SIGSEGV.
Maybe this is not caused by the nextcloud client itself but by some (qt?) library the client is using? (Version 3.2.0 is working on previous Ubuntu versions - older than hirsute) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1923053 Title: nextcloud crashed with SIGSEGV. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/nextcloud-desktop/+bug/1923053/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1923053] Re: nextcloud crashed with SIGSEGV.
I have updated to version 3.2.0-20210410.072919.14fbf1b10-1.0~hirsute1 from http://ppa.launchpad.net/nextcloud-devs/client/ubuntu But nextcloud-desktop is still segfaulting. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1923053 Title: nextcloud crashed with SIGSEGV. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/nextcloud-desktop/+bug/1923053/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1923053] Re: nextcloud crashed with SIGSEGV.
I'm having this issue as well. Here's a backtrace from GDB, with some debug symbols: (gdb) bt #0 doActivate (sender=0x0, signal_index=9, argv=argv@entry=0x7fffb9a0) at kernel/qobject.cpp:3768 #1 0x7fffeafb5cb8 in QMetaObject::activate (sender=, m=m@entry=0x7fffebed30a0 , local_signal_index=local_signal_index@entry=1, argv=argv@entry=0x7fffb9a0) at kernel/qobject.cpp:3946 #2 0x7fffeb9515a6 in QGuiApplication::screenAdded (this=, _t1=, _t1@entry=0x558b3cf0) at .moc/moc_qguiapplication.cpp:389 #3 0x7fffeb936d80 in QWindowSystemInterface::handleScreenAdded (ps=ps@entry=0x558a5850, isPrimary=) at kernel/qwindowsysteminterface.cpp:826 #4 0x7fffdef2d540 in QXcbConnection::initializeScreens (this=this@entry=0x55893950) at qxcbconnection_screens.cpp:413 #5 0x7fffdef082a4 in QXcbConnection::QXcbConnection (this=0x55893950, nativeInterface=, canGrabServer=, defaultVisualId=, displayName=) at qxcbconnection.cpp:103 #6 0x7fffdef0b10f in QXcbIntegration::QXcbIntegration (this=0x55893830, parameters=..., argc=, argv=) at qxcbintegration.cpp:197 #7 0x77fb9593 in QXcbIntegrationPlugin::create (this=, system=..., argv=0x7fffd868, argc=@0x7fffd60c: 1, parameters=...) at qxcbmain.cpp:56 #8 QXcbIntegrationPlugin::create (this=, system=..., parameters=..., argc=@0x7fffd60c: 1, argv=0x7fffd868) at qxcbmain.cpp:53 #9 0x7fffeb9559fc in init_platform (argv=, argc=@0x7fffd60c: 1, platformThemeName=..., platformPluginPath=..., pluginNamesWithArguments=...) at kernel/qguiapplication.cpp:1223 #10 QGuiApplicationPrivate::createPlatformIntegration (this=0x55887e20) at kernel/qguiapplication.cpp:1481 #11 0x7fffeb956e88 in QGuiApplicationPrivate::createEventDispatcher (this=) at kernel/qguiapplication.cpp:1498 #12 0x7fffeaf8be46 in QCoreApplicationPrivate::init (this=this@entry=0x55887e20) at kernel/qcoreapplication.cpp:834 #13 0x7fffeb959e02 in QGuiApplicationPrivate::init (this=0x55887e20) at kernel/qguiapplication.cpp:1527 #14 0x7fffef2f5fed in QApplicationPrivate::init() () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5 #15 0x5571c68b in SharedTools::QtSingleApplication::QtSingleApplication (this=, appId=..., argc=, argv=, this=, appId=..., argc=, argv=) at ./src/3rdparty/qtsingleapplication/qtsingleapplication.cpp:56 #16 0x5563d30c in OCC::Application::Application (this=, argc=, argv=, this=, argc=, argv=) at ./src/gui/application.cpp:116 #17 0x556093c7 in main (argc=, argv=0x7fffd868) at ./src/gui/main.cpp:80 As you can see, the "sender" argument to qobject.cpp's doActivate function is NULL, which it's not supposed to be. The first line of that function is line 3768, and that line is "QObjectPrivate *sp = QObjectPrivate::get(sender);". Since "QObjectPrivate::get" dereferences its argument, that's obviously a segfault. >From stuff I'm reading online, it seems like this might be triggered by compiling with LTO. That's sort of just a wild guess though. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1923053 Title: nextcloud crashed with SIGSEGV. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/nextcloud-desktop/+bug/1923053/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1923053] Re: nextcloud crashed with SIGSEGV.
Status changed to 'Confirmed' because the bug affects multiple users. ** Changed in: nextcloud-desktop (Ubuntu) Status: New => Confirmed -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1923053 Title: nextcloud crashed with SIGSEGV. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/nextcloud-desktop/+bug/1923053/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1923053] Re: nextcloud crashed with SIGSEGV.
Confirmed. Since the latest update to 3.1.1-1ubuntu1 nextcloud desktop is segfaulting. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1923053 Title: nextcloud crashed with SIGSEGV. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/nextcloud-desktop/+bug/1923053/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1923053] Re: nextcloud crashed with SIGSEGV.
** Attachment removed: "CoreDump.gz" https://bugs.launchpad.net/ubuntu/+source/nextcloud-desktop/+bug/1923053/+attachment/5485597/+files/CoreDump.gz ** Information type changed from Private to Public -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1923053 Title: nextcloud crashed with SIGSEGV. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/nextcloud-desktop/+bug/1923053/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs