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Details

Type: Bug
Resolution: Fixed
Priority: P1: Critical
Fix Version/s: 6.11.0 FF
Affects Version/s: 6.10.0 Beta1
Component/s: Core: Locales (i18n)
Labels:
None

Platform/s:

Linux/Wayland
Commits:
f03ab44e0 (dev)

Description

Seems like QTranslator deadlocks whenever it tries to load a translation file that doesn't exist because it tries to translate the error, during which it tries to lock the translations mutex again. Probably introduced by ec3a4590fd35ff9e674ecd77173f1ab0323b19f7. Backtrace:

(gdb) bt
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007ffff5733c56 in QtLinuxFutex::_q_futex (addr=<optimized out>, op=0, val=3, val2=0, addr2=0x0, val3=0)
    at [home]/ksrc6/qt/dev/qtbase/src/corelib/thread/qfutex_linux_p.h:48
#2  QtLinuxFutex::futexWait<QBasicAtomicPointer<QMutexPrivate> > (futex=..., expectedValue=expectedValue@entry=0x3)
    at [home]/ksrc6/qt/dev/qtbase/src/corelib/thread/qfutex_linux_p.h:67
#3  0x00007ffff57339b9 in QBasicMutex::lockInternal (this=0x5555555e9e00)
    at [home]/ksrc6/qt/dev/qtbase/src/corelib/thread/qmutex.cpp:651
#4  0x00007ffff54f7c48 in QBasicMutex::lock (this=<optimized out>)
    at [home]/ksrc6/qt/dev/qtbase/src/corelib/thread/qmutex.h:44
#5  0x00007ffff558e9ce in QMutexLocker<QMutex>::QMutexLocker (this=0x7fffffffca80, mutex=0x5555555e9e00)
    at [home]/ksrc6/qt/dev/qtbase/src/corelib/thread/qmutex.h:255
#6  QCoreApplication::translate (context=context@entry=0x7ffff54ca859 "QIODevice", sourceText=<optimized out>, 
    disambiguation=disambiguation@entry=0x0, n=n@entry=-1)
    at [home]/ksrc6/qt/dev/qtbase/src/corelib/kernel/qcoreapplication.cpp:2309
#7  0x00007ffff55f7d7d in standardLibraryErrorString (errorCode=<optimized out>)
    at [home]/ksrc6/qt/dev/qtbase/src/corelib/kernel/qsystemerror.cpp:101
#8  0x00007ffff55f7e47 in QSystemError::stdString (errorCode=errorCode@entry=2)
    at [home]/ksrc6/qt/dev/qtbase/src/corelib/kernel/qsystemerror.cpp:128
#9  0x00007ffff5565664 in QResourceFileEngine::open (this=<optimized out>, flags=..., 
    permissions=std::optional [no contained value]) at [home]/ksrc6/qt/dev/qtbase/src/corelib/io/qresource.cpp:1455
#10 0x00007ffff55441f1 in QFile::open (this=this@entry=0x7fffffffcc60, mode=mode@entry=...)
    at [home]/ksrc6/qt/dev/qtbase/src/corelib/global/qflags.h:77
#11 0x00007ffff55fb371 in QTranslatorPrivate::do_load (this=0x5555559f3fd0, realname=..., directory=...)
    at [home]/ksrc6/qt/dev/qtbase/src/corelib/kernel/qtranslator.cpp:540
#12 0x00007ffff55fc36c in operator() (__closure=__closure@entry=0x7fffffffcd80)
    at [home]/ksrc6/qt/dev/qtbase/src/corelib/kernel/qtranslator.cpp:650
#13 0x00007ffff55fc865 in QTranslatorPrivate::load_translation (this=this@entry=0x5555559f3fd0, locale=..., filename=..., 
    prefix=..., directory=..., suffix=...) at [home]/ksrc6/qt/dev/qtbase/src/corelib/kernel/qtranslator.cpp:658
#14 0x00007ffff55fcc75 in QTranslator::load (this=<optimized out>, locale=..., filename=..., prefix=..., directory=..., 
    suffix=...) at [home]/ksrc6/qt/dev/qtbase/src/corelib/kernel/qtranslator.cpp:754
#15 0x00007ffff76b2f63 in Translator::setLanguage (this=0x5555559fc1a0, aLanguage=...)
    at [project]/src/controllers/Translator.cpp:59
#16 0x00007ffff76a3877 in ProfileController::setGlobalLanguage (this=0x5555558969c0, language=...)
    at [project]/src/controllers/ProfileController.cpp:168
#17 0x00007ffff76a2cd0 in ProfileController::ProfileController (this=0x5555558969c0, manager=0x5555559fc340)
    at [project]/src/controllers/ProfileController.cpp:69
#18 0x00007ffff769db3e in ControllerManager::ControllerManager (this=0x5555559fc340, aOptions=..., parent=0x7fffffffd450)
    at [project]/src/controllers/ControllerManager.cpp:247
#19 0x00007ffff7533d79 in Application::exec (this=0x7fffffffd450) at [project]/src/Application.cpp:376
#20 0x0000555555560292 in main (argc=1, argv=0x7fffffffd608) at [project]/src/main.cpp:93