[QGIS-Developer] QtCreator does not start QGIS?

[Luigi Pirelli]

hmmmm... seems the same error happen with qt 5.12.8 (eg.. version with
ubuntu 20.04 LTR)

src/core/qgsproviderregistry.cpp:261 : (init) [0ms] Checking ogr: ...loaded
OK (59 file filters)
src/core/auth/qgsauthmanager.cpp:180 : (init) [0ms] Initializing QCA...

Thread 5 "QDBusConnection" received signal SIG33, Real-time event 33.
[Switching to Thread 0x7fffdaffd700 (LWP 285949)]
0x00007ffff1e4baff in __GI___poll (fds=0x7fffd000eaf0, nfds=5, timeout=-1)
at ../sysdeps/unix/sysv/linux/poll.c:29
29 ../sysdeps/unix/sysv/linux/poll.c: No such file or directory.


there is a workaround? I need to debug some crashes

regards
Luigi Pirelli

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On Thu, 12 Nov 2020 at 18:00, Sandro Mani <manisandro at gmail.com> wrote:

> Hi Richard
>
> If you are using Qt5.15.{0,1} and are getting random SIGTRAPS, or the
> process segfaulting straight after starting through gdb, this might be [1].
>
> Sandro
>
> [1] https://bugreports.qt.io/browse/QTBUG-86319
>
> On 12.11.20 15:45, Richard Duivenvoorde wrote:
> > Still having troubles starting QGIS in debug in QtCreator in my setup
> today.
> >
> > See https://duif.net/qc.png
> >
> > So QGIS (in QtCreator) starts, and during startup it stops and shows me
> the dissassembler(?) view. Sometimes I can see something (like in this
> screendump: something with libnss ?) sometimes all is white/empty.
> >
> > Last this I in the log is: "Destroyed while process ("whoami"), which
> according to git is recently changed but... does not seem related to me:
> >
> https://github.com/qgis/QGIS/commit/7a38388a8762503b0bdba55065fffea2ff24137a
> >
> > Regards,
> >
> > Richard
> >
> >
> >
> > On 11/11/20 9:16 AM, Richard Duivenvoorde wrote:
> >> Hi,
> >>
> >> Currently in my Qt build I cannot debug QGIS in qtcreator because it
> hangs/stops when showing the splash.
> >> After some time the Application Output shows:
> >>
> >> ../../src/core/qgsmessagelog.cpp:29 : (logMessage) [60891ms]
> [thread:0x5555560d9d00] 2020-11-11T08:58:15 [1] HTTP fetch
> https://feed.qgis.org/?after=1605081272&lang=en failed with error
> Operation canceled
> >> ../../src/core/qgsmessagelog.cpp:29 : (logMessage) [0ms]
> [thread:0x5555560d9d00] 2020-11-11T08:58:15 Network[1] Network request
> https://feed.qgis.org/?after=1605081272&lang=en timed out
> >>
> >> I am connected, and https://feed.qgis.org/?after=1605081272&lang=en is
> available from my browser.
> >>
> >> Disabling: 'Show QGIS news feed on welcome page' and 'Check QGIS
> version at startup' fix this.
> >>
> >> Others have this issue currently?
> >>
> >> (I hit my head also with this sometimes when in mixed/http proxied
> environments
> >> I still think we should use 'opt in' for these 'QGIS phoning home
> stuff' instead of 'opt out')
> >>
> >> Regards,
> >>
> >> Richard Duivenvoorde
> >>
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