[Qgis-user] Profile data (other than plugins) that can cause crashes?

[Patrick Dunford]

OK. so further testing with a new profile show the issue is still there 
with the new profile. It really is a very random issue with no obvious 
cause.

On 22/09/22 14:31, Patrick Dunford wrote:
> Good day
>
> Since I first began to use Kubuntu 22.04 from the .0 release I started 
> to see crashes on Qgis that weren't experienced on the same versions 
> running on previous releases of Kubuntu (certainly the case on 20.04). 
> These seem to come and go depending on some random factors, which 
> makes it extremely hard to write up a meaningful bug report for the 
> issue which is why so far all that has been filed is one with the 
> Ubuntu project bug reporting system.
>
> All of these crashes occur when Qgis attempts to display a file 
> operation dialog (e.g. add a layer, save a layer definition file, etc).
>
> Today I started to see these issues happening on a system that has 
> been trouble free for weeks if not months, the crashes became very 
> consistent / repetitive which had not been observed for a long time up 
> to now if at all.
>
> I have tried a new profile and at the moment that makes the problem go 
> away. However the next question would be what might be contained 
> within a profile that could cause such an issue. Often it is 
> considered the most likely issue in a profile is to do with installed 
> plugins. In this case, both profiles contain the same plugins which 
> are the 10 that are installed as core plugins (5 selected by default). 
> If the issue is within a profile, it must be some other part of the 
> profile.
>
> Is there any base of experience about other parts of a profile (such 
> as user settings) which can cause issues?
>
> The most obvious different between profiles in this case is 
> previewImages folder, however removing these images made no difference 
> to the issue. It would require further testing or analysis to try to 
> find out where the issue might be occurring. Nevertheless a bug report 
> has been filed, attaching the old and new profiles.
>
> Is there any straightforward way of producing a comparison between 
> different versions of the databases (which must include all the user 
> settings) in a profile.
>
> T.I.A.