[Kde-pim] Review Request 114341: Fix a bug in kmail that eats all cpu

[Albert Astals Cid]

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It would be cool if you did not break the build

http://build.kde.org/view/KDE%20SC%20stable/job/kdepim_stable/1340/console

- Albert Astals Cid


On Dec. 9, 2013, 6:03 p.m., Raul Fernandes wrote:
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> This is an automatically generated e-mail. To reply, visit:
> http://git.reviewboard.kde.org/r/114341/
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> 
> (Updated Dec. 9, 2013, 6:03 p.m.)
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> 
> Review request for KDEPIM.
> 
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> Bugs: 323929
>     http://bugs.kde.org/show_bug.cgi?id=323929
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> Repository: kdepim
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> Description
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> The bug is described in https://bugs.kde.org/show_bug.cgi?id=323929.
> The bug triggers several queries to akonadi to get the same information.
> I think it is caused by the repeated connect() calls in initFolders() function (even using the Qt::UniqueConnection).
> So everytime the function slotDefaultCollectionsChanged() is called, disconnect the signal to avoid accumulate multiple signals.
> I think the right way is to rewrite the initFolders to call connect() only once.
> Split initFolders() in 2 functions. One is called by kmail and another (with the connect()) called by slotDefaultCollectionsChanged().
> For now, the disconnect() should be a good workaround for the (critical) bug.
> 
> 
> Diffs
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>   mailcommon/kernel/mailkernel.cpp 5b92778 
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> Diff: http://git.reviewboard.kde.org/r/114341/diff/
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> Testing
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> Until now, it is ok here.
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> File Attachments
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> kmail.log.lrz
>   http://git.reviewboard.kde.org/media/uploaded/files/2013/12/07/1fe839f7-aea6-462a-8310-57be1afbb14f__kmail.log.lrz
> Recompressed log file
>   http://git.reviewboard.kde.org/media/uploaded/files/2013/12/08/2502547f-e827-40ae-9fe5-dd1bcaad3168__log.tar.xz
> Log sorted by occurrences
>   http://git.reviewboard.kde.org/media/uploaded/files/2013/12/08/68881267-6582-4dbb-a02b-0ffcc49f0e3c__kmail-sorted.log.gz
> 
> 
> Thanks,
> 
> Raul Fernandes
> 
>

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