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  • Hi guys, I used ubuntu 21.04 before and my Houdini worked fine. Few days ago I upgraded to Ubuntu 21.10 and Houdini began to crash on start up. I changed the nVidia driver and reinstall Houdini for different version but it still crashed.
    Anyone have any idea about it?

    Here is a copy of my crashing log.


    Crash report from xiao; Unknown App Version 18.5.696
    Uptime 0 seconds
    Thu Nov 11 13:04:24 2021
    Caught signal 6

    Traceback from 4711 ThreadId=0x7f0e3a3ff640
    AP_Interface::si_CrashHandler::handledSignal(UTsignalHandlerArg) <libHoudiniUI.so>
    signalCallback(UTsignalHandlerArg) <libHoudiniUT.so>
    UT_Signal::UT_ComboSignalHandler::operator()(int, siginfo_t*, void*) const <libHoudiniUT.so>
    UT_Signal::processSignal(int, siginfo_t*, void*) <libHoudiniUT.so>
    __sigaction <libc.so.6>
    pthread_kill <libc.so.6>
    raise <libc.so.6>
    abort <libc.so.6>
    __fsetlocking <libc.so.6>
    timer_settime <libc.so.6>
    __default_morecore <libc.so.6>
    free <libc.so.6>
    Curl_freeset <libcurl.so>
    Curl_close <libcurl.so>
    curl_easy_cleanup <libcurl.so>
    NET_WebAPI::encodeUri(UT_StringView) <libHoudiniUT.so>
    NET_WebAPI::encodeVariables(UT_ArrayStringMap<UT_StringHolder> const&) <libHoudiniUT.so>
    NET_WebAPIParameters::NET_WebAPIParameters(UT_ArrayStringMap<UT_StringHolder> const&) <libHoudiniUT.so>
    x568501617::x883452099(bool, double*, double*) <libHoudiniUT.so>
    x568501617::x1092354324(bool, bool, double*, double*) <libHoudiniUT.so>
    x1759739260::startHserverHttp(unsigned int) <libHoudiniUT.so>
    LA_LicenseData::initialize() <libHoudiniUT.so>
    LA_LicenseData::LA_LicenseData(bool, bool, int, bool) <libHoudiniUT.so>
    QDialog::sizeHint() const <hkey-bin>
    QThreadPool::clear() <libQt5Core.so.5>
    QThread::setTerminationEnabled(bool) <libQt5Core.so.5>
    pthread_condattr_setpshared <libc.so.6>
    __clone <libc.so.6>

    Traceback from 4711 ThreadId=0x7f0e59a25b80
    AP_Interface::coreDumpChaser(UTsignalHandlerArg) <libHoudiniUI.so>
    AP_Interface::si_CrashHandler::chaser(UTsignalHandlerArg) <libHoudiniUI.so>
    signalCallback(UTsignalHandlerArg) <libHoudiniUT.so>
    UT_Signal::UT_ComboSignalHandler::operator()(int, siginfo_t*, void*) const <libHoudiniUT.so>
    UT_Signal::processSignal(int, siginfo_t*, void*) <libHoudiniUT.so>
    __sigaction <libc.so.6>
    ppoll <libc.so.6>
    qt_safe_poll(pollfd*, unsigned long, timespec const*) <libQt5Core.so.5>
    QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) <libQt5Core.so.5>
    QXcbNativeInterface::dumpNativeWindows(unsigned long long) const <libQt5XcbQpa.so.5>
    QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) <libQt5Core.so.5>
    QCoreApplication::exec() <libQt5Core.so.5>
    QDialog::sizeHint() const <hkey-bin>
    __libc_init_first <libc.so.6>
    __libc_start_main <libc.so.6>
    QDialog::sizeHint() const <hkey-bin> I have exactly the same problem
    I tried to install Houdini 19.0.455 - this version also did not start
    judging by the logs, there is some problem with the QT-libraries of the interface
    The worst thing is that this happens only with our beloved houdini, with no other software problems have been noticed