[QGIS-Developer] QtCreator does not start QGIS?

[Richard Duivenvoorde]

Ough, yes, that looks like it (5.15.1)... 

Thanks Sandro for checking.

The 'random' qtcreator crashes at startup indeed all show 'sigtraps'...
And I also thought that it has something todo with the process.start stuff.

I see QProcess in a lot of places, so I do not think I can disable parts of QGIS compile?

Mmm this is bad (for me & other Testing Debianista's). Hoping there will be a fixed version (qt) soon..
Other options?
Downgrade Qt?
Compile Qt myself?
Install Fedora on another machine (which Qt is there?)?

Sigh 0o.

Richard

On 11/12/20 6:00 PM, Sandro Mani 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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