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Re: Akonadi 4:18.08.3-6 automatically resolves mutiple merge candidates errors



Hi Sandro, hello,

Sandro Knauß - 29.08.19, 17:39:58 CEST:
> Thanks for summerizing this so nicely, that will help to explain to
> ftpmasters, why we needs this in Buster.

You are welcome.

> > A fix for Debian Buster definitely seems possible now that Sandro
> > backported the fix, however I do not know Sandro's plans there. It
> > may very well be that the Akonadi
> > pachttps://phabricator.kde.org/D19487kages
> from Debian Sid could just be
> 
> > installed in Buster, but I did not try this. In case it would break
> > you would get to keep the pieces as usual :). On any account only
> > try this if you are experienced enough with APT pinning and APT in
> > general and have a backup.
> 
> I actually have a backport in mind, for these patches, but before
> requesting this, the package needs to enter testing.

Nice.

I believe no multiple merge candidates happened here in quite a while. 
Last time it happened "Clear Akonadi Cache" did the trick.

While I look forward to a new major upstream version of KDEPIM & Akonadi 
in Debian, I appreciate that you do some backports of fixes for stable 
users first.

My major issue still are the Web Engine related crashes of KMail. KMail 
crashes several times a day during filtering here¹.

[1] kmail: Crash during/after filtering inbox, probably related to Qt 
WebEngine integration

https://bugs.debian.org/921624

Bug 404052 - Crash during/after filtering inbox, probably related to Qt 
WebEngine integration 

https://bugs.kde.org/404052

> It is possible to  install the same packages on a stable system ( i
> tried it on a friends computer, who was hit by this issue), but this
> is NOT recommend! Because you loose the further upgrade path. I would
> recommend to wait for several days until the patch is available on
> Buster.
> 
> Just for be more clear, the links are not correct, I fix this:
> https://phabricator.kde.org/D20243
> https://phabricator.kde.org/D19487

I found later that you backported quite a bunch of patches.

> > [1] Automatic recovery from Multiple Merge Candidates error
> > 
> > https://phabricator.kde.org/D21455
> 
> did you tried this patch locally?

No. I did not compile Akonadi myself since a long time.

> > [2] For some details see also "Common Infrastructure" in:
> > 
> > March and April in KDE PIM
> > 
> > https://www.dvratil.cz/2019/05/march-and-april-in-kde-pim/
> 
> okay this reference another patch I want to backport additionally:
> https://phabricator.kde.org/D19983

Hmmm, okay.

> > [3] KMail: "Multiple Merge Candidates" error and how to fix it
> > 
> > https://www.dvratil.cz/2017/01/kmail-multiple-merge-candidates-error
> > -and-how -to-fix-it/
> 
> that article is referring to another patchset, that was merged two
> years ago.

Okay, I thought there is just was multiple merge candidates issue which 
got worked around by the recent patchsets.

Thanks,
-- 
Martin



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