[Pkg-matrix-maintainers] Bug#1073959: Bug#1073959: nheko starts into a grey screen, log warns about missing module org.kde.breeze and DRM_MSM_GEM_INFO

[Jonas Smedegaard]

Quoting Marco Mattiolo (2024-07-05 23:39:47)
 
> I think I can now confirm the issue is Breeze, then the bug is not in 
> nheko itself.
> 
> Launching "env QT_QUICK_CONTROLS_STYLE=Universal nheko" gets to a 
> working nheko instance. A bit weird in the colours, but that's kind-of 
> expected with this kind of workaround.
> 
> Idea came after finding where that "org.kde.breeze" comes from, as it is 
> not inside nheko source code: it's plasma-mobile to set that variable 
> [1]. A search brought me then to [2] and to the workaround, I guess 
> every non-Breeze style listed in that page should work fine, maybe 
> looking even better than Universal. Now, where is the bug? That 
> environment variable is still set in plasma-mobile on the master 
> (Plasma6/KF6/Qt6) branch [3]. So it's supposed to be there, yet nheko is 
> not finding it.
> 
> My best hypothesis at the moment, that "org.kde.breeze" QQC (Qt Quick 
> Controls) style should be supplied by binary package 
> qml-module-org-kde-qqc2breezestyle (source qqc2-breeze-style) that is 
> stil at 5.27.11-1 version at the moment in Debian [4]. I see the version 
> of that package in trixie still build-depends on Qt5/KF5, so that's 
> likely conflicting with nheko already depending on Qt6.
> 
> Please let me know if it's OK for you to keep this bug assigned to nheko 
> until the situation is fixed, so that it's easier for anyone else to 
> find the workaround.

Perfectly fine to track the bug here until, maybe, identifying somewhere
more accurate - in which case it is then better to reassign and tag as
affecting nheko, so that others benefit from this conversation as well.

Thanks!

 - Jonas

-- 
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