Please open bug report on https://bugreports.qt.io/
On 2/19/20 6:17 PM, j...@wavemetrics.com wrote: > I still see it after a couple of Qt Creator updates. My colleague here is > using a pretty old version of Creator because of this problem. So it seems > like something Creator is doing. Googling _os_unfair_lock_recursive_abort or > _os_unfair_lock_lock_slow doesn't yield much, except for bug reports on other > applications. > > -John Weeks > > >> On Feb 19, 2020, at 8:31 AM, Nils Jeisecke <nils.jeise...@saltation.com> >> wrote: >> >> Hi list, >> >> I'm seeing the same thing here. Not sure when troubles started. >> Nobody else having problems with that? >> >> Nils >> >> Am 19.08.2019 um 11:37 hat John Weeks geschrieben: >>> On Macintosh OS X 10.14.5, Qt 5.12.5, and Qt Creator 4.9.2 I keep getting a >>> crash while stepping through code. I get a stack trace that looks something >>> like this: >>> >>> 1 _os_unfair_lock_recursive_abort >>> >>> (x86_64) /usr/lib/system/libsystem_platform.dylib >>> 0x7fff64dac1c2 >>> 2 _os_unfair_lock_lock_slow >>> >>> (x86_64) /usr/lib/system/libsystem_platform.dylib >>> 0x7fff64da8caa >>> 3 look_up_class >>> >>> (x86_64h) /usr/lib/libobjc.A.dylib >>> 0x7fff633e6774 >>> 4 QMacAutoReleasePool::QMacAutoReleasePool() >>> >>> qcore_mac_objc.mm 169 >>> 0x111cd1dc5 >>> 5 QMacAutoReleasePool::QMacAutoReleasePool() >>> >>> qcore_mac_objc.mm 140 >>> 0x111cd1ec5 >>> 6 QMacStyle::styleHint(QStyle::StyleHint, QStyleOption const *, QWidget >>> const *, QStyleHintReturn *) const >>> qmacstyle_mac.mm 2602 >>> 0x11c53c5e2 >>> 7 QProxyStyle::styleHint(QStyle::StyleHint, QStyleOption const *, QWidget >>> const *, QStyleHintReturn *) const >>> qproxystyle.cpp 290 >>> 0x10f7adea6 >>> 8 IgorProxyStyle::styleHint(QStyle::StyleHint, QStyleOption const *, >>> QWidget const *, QStyleHintReturn *) const >>> IgorProxyStyle.cpp 250 >>> 0x1002c2191 >>> 9 QFocusFrame::setWidget(QWidget *) >>> >>> qfocusframe.cpp 187 >>> 0x10f830bba >>> 10 QMacStyle::event(QEvent *) >>> >>> qmacstyle_mac.mm 6517 >>> 0x11c55e379 >>> <...... Lots of other stuff removed here .......> >>> >>> Plain debug build, turned on the checkbox for loading the debug Qt >>> frameworks. The styleHint and AutoReleasePool stuff seems to be a constant >>> part of the problem. >>> >>> That bit at line 2 about "slow" suggests that OS X got tired of waiting for >>> my stepping through the code and decided to abort. This makes it really >>> hard to debug certain parts of the code. Is this anything that y'all have >>> seen? Is there a solution? Do I just have to use QDebug() statements >>> liberally sprinkled about my code to debug? >>> >>> Any insight greatly appreciated. >>> >>> -John Weeks >>> >>> _______________________________________________ >>> Interest mailing list >>> Interest@qt-project.org >>> https://lists.qt-project.org/listinfo/interest > > _______________________________________________ > Interest mailing list > Interest@qt-project.org > https://lists.qt-project.org/listinfo/interest > _______________________________________________ Interest mailing list Interest@qt-project.org https://lists.qt-project.org/listinfo/interest