Created attachment 140882 [details] haruna 0.7.0 console crash log SUMMARY Haruna crashes after opening file STEPS TO REPRODUCE 1. Build and install haruna 0.7.0 2. Run it 3. Open file OBSERVED RESULT Haruna crashes. EXPECTED RESULT Haruna plays the file. SOFTWARE/OS VERSIONS Linux/KDE Plasma: openSUSE Leap 15.3/5.18.6 (available in About System) KDE Plasma Version: 5.18.6 KDE Frameworks Version: 5.76.0 Qt Version: 5.12.7 ADDITIONAL INFORMATION plasma5-pa version 5.18.5 Same version of haruna appears to function correctly on openSUSE Tumbleweed
It works if I set the style to fusion instead of org.kde.desktop, so it's something in older versions of org.kde.desktop style. So it's not a bug in Haruna. See https://bugs.kde.org/show_bug.cgi?id=430261.
Downstream bug report: https://bugzilla.opensuse.org/show_bug.cgi?id=1189682 Relaying here as well: This is most likely https://bugreports.qt.io/browse/QTBUG-75605 (the referenced https://bugreports.qt.io/browse/QTBUG-75605 has a similar crash). The reason is that BasicListItem defines a contentItem itself (which is referenced through other properties), which is immediately overwritten (before the delegate is complete) by the custom delegate in qqc2-style-crash. This triggers immediate deletion of the old contentItem, but that is still being constructed at that point. When a component has an id assigned, it forces the engine to perform construction synchronously instead of deferred. With deferred construction, the contentItem is overwritten after construction is complete, and the deletion no longer affects an item during construction. This is why removing the id avoids the crash. This got fixed by https://github.com/qt/qtquickcontrols2/commit/80f1186338bcf8c7d692b4fadfc46531c002c6b0, and I can confirm that with that commit applied on top of Leap 15.3's libqt5-qtquickcontrols2 package, the crash disappears. However, it is documented as "[ChangeLog][Important Behavior Changes]", so I don't think it should be backported at this stage. Fortunately there's a rather simple workaround (which is also recommended in the Qt documentation) which is to just omit the id. Additionally, I don't think that it makes sense to use BasicListItem and overwrite its contentItem, because there's not much of BasicListItem left and just using AbstractListItem should have the same result, but avoiding the crash.
Git commit a2bf43ce527bad90353ec911c4c24412ff703445 by George Florea Bănuș. Committed on 22/08/2021 at 19:12. Pushed by georgefb into branch 'master'. PlayList: remove ids from playlist items Having ids crashes the app on older versions of Qt M +6 -2 src/qml/PlayListItem.qml M +1 -8 src/qml/PlayListItemWithThumbnail.qml https://invent.kde.org/multimedia/haruna/commit/a2bf43ce527bad90353ec911c4c24412ff703445
(In reply to Fabian Vogt from comment #2) Thanks for the info.
Created attachment 140973 [details] haruna git snapshot console log
Still failing on openSUSE Leap 15.3, see attachment.
> Thread 1 "haruna" received signal SIGSEGV, Segmentation fault. > 0x00007ffff2644129 in QQmlBinding::setEnabled(bool, QFlags<QQmlPropertyData::WriteFlag>) () from /usr/lib64/libQt5Qml.so.5 That's what gdb shows.
I missed an id in the patch listed here. Removed it in https://invent.kde.org/multimedia/haruna/-/commit/79fa60a45ed631b102bf4975588326775eaad772 so make sure you build with that commit too.
(In reply to george fb from comment #8) > I missed an id in the patch listed here. Removed it in > https://invent.kde.org/multimedia/haruna/-/commit/ > 79fa60a45ed631b102bf4975588326775eaad772 so make sure you build with that > commit too. The tarball I tried contains that commit. I checked the source files for good measure.
I can't reproduce. I works for me on Leap 15.3. Share the tarball your building.
(In reply to george fb from comment #10) > I can't reproduce. I works for me on Leap 15.3. > Share the tarball your building. If you have an obs account it's available here https://build.opensuse.org/package/show/home:alois/haruna-git . Otherwise please tell me, and I'll upload it somewhere.
I downloaded and installed haruna-0.7.0+git20210823.c4057c7-lp153.2.1.x86_64.rpm from https://build.opensuse.org/package/binaries/home:alois/haruna-git/openSUSE_Leap_15.3 and I could play files just fine.
Created attachment 140993 [details] haruna_20210823.c4057c7_gdb log (In reply to george fb from comment #12) > I downloaded and installed > haruna-0.7.0+git20210823.c4057c7-lp153.2.1.x86_64.rpm from > https://build.opensuse.org/package/binaries/home:alois/haruna-git/ > openSUSE_Leap_15.3 and I could play files just fine. I don't know what to think. I'm seeing the same result on bare metal and in a virtual machine. Attaching gdb backtrace, hope it can shed some light. Are you running plasma as well? Could you please include a list of the installed packages on your 15.3 system?
Created attachment 140997 [details] installed packages on leap 15.3 Try deleting the .cache folder maybe it's the same bug as https://bugs.kde.org/show_bug.cgi?id=420877#c3 "Qt crashing on stale qmlcache files after updating" I tested with a new user on Leap too and it works. Same on Ubuntu 20.10 where it used to crash too, but after a git pull it works.
(In reply to george fb from comment #14) > Try deleting the .cache folder maybe it's the same bug as > https://bugs.kde.org/show_bug.cgi?id=420877#c3 > "Qt crashing on stale qmlcache files after updating" That was it! I had no idea the cache could create such problems, sorry for the wild goose chase.