As for Fedora, F33 and F34 have fixed packages, but I see that the F33 update was never submitted by the maintainer - I've done so now [1].

Best
Sandro

[1] https://bodhi.fedoraproject.org/updates/FEDORA-2020-1893aa323f


On 12.11.20 19:17, Alessandro Pasotti wrote:
I switched to QT binaries and sources provided by the QT maintenance tool and that's my way to Nirvana.

I self-build PyQt all the others dependencies.

Cheers



On Thu, Nov 12, 2020, 18:51 Richard Duivenvoorde <[email protected] <mailto:[email protected]>> wrote:

    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
    <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 <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
    
<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
    <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
    <https://feed.qgis.org/?after=1605081272&lang=en> timed out
    >>>
    >>> I am connected, and
    https://feed.qgis.org/?after=1605081272&lang=en
    <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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