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List:       kde-pim
Subject:    Re: D14585: avoid crash in MonitorPrivate::emitItemsNotification accessing empty list
From:       Martin Koller <kollix () aon ! at>
Date:       2018-08-07 13:17:22
Message-ID: 3917773.lC4pjMnn0K () lapi ! koller
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On Montag, 6. August 2018 21:30:06 CEST Daniel Vrátil wrote:
> dvratil added a comment.
> 
> 
> @winterz, @mkoller can you check that the application crash is preceded by \
> `FetchHelper requested from within a transaction, aborting, since this would \
> deadlock!` message from the Akonadi Server in terminal?

This is what I get (without my patch) when hitting "check for mails" in kmail:

20180807 15:13:21.422 CEST akonadiserver: New notification connection (registered as \
Akonadi::Server::NotificationSubscriber(0x7fc86c256620) ) 20180807 15:13:21.425 CEST \
akonadi_airsyncdownload_resource_1: "2018-08-07T15:13:21" sent ... 20180807 \
15:13:21.450 CEST akonadiserver: Subscriber \
Akonadi::Server::NotificationSubscriber(0x7fc86c256620) identified as \
"SpecialCollectionsMonitor - 34097472" 20180807 15:13:21.462 CEST akonadiserver: only \
display 20180807 15:13:23.503 CEST akonadi_maildispatcher_agent: ASSERT: "!isEmpty()" \
                in file /usr/include/qt5/QtCore/qvector.h, line 237
KCrash: Application 'akonadi_maildispatcher_agent' crashing...
KCrash: Attempting to start /usr/lib64/libexec/drkonqi from kdeinit
sock_file=/run/user/1000/kdeinit5__0
20180807 15:13:23.510 CEST akonadi_pop3_resource_3: ASSERT: "!isEmpty()" in file \
                /usr/include/qt5/QtCore/qvector.h, line 237
KCrash: Application 'akonadi_pop3_resource' crashing...
KCrash: Attempting to start /usr/lib64/libexec/drkonqi from kdeinit
sock_file=/run/user/1000/kdeinit5__0
20180807 15:13:23.533 CEST akonadiserver: Subscriber "MessageListTagCacheMonitor - \
159607920" disconnected 20180807 15:13:23.533 CEST akonadiserver: Shutting down \
"kmail2-182605794-SearchSession" ... 20180807 15:13:23.534 CEST akonadiserver: \
Subscriber "FilterManagerTagMonitor - 89852432" disconnected 20180807 15:13:23.534 \
CEST akonadiserver: Subscriber "TagActionManagerMonitor - 41244992" disconnected \
20180807 15:13:23.534 CEST akonadiserver: Subscriber "MessageViewerMonitor - \
41657344" disconnected 20180807 15:13:23.534 CEST akonadiserver: Subscriber \
"MessageListTagMonitor - 41457536" disconnected 20180807 15:13:23.534 CEST \
akonadiserver: Shutting down "MessageViewer-41656784" ... 20180807 15:13:23.534 CEST \
akonadiserver: Subscriber "SpecialCollectionsMonitor - 40987248" disconnected \
20180807 15:13:23.535 CEST akonadiserver: Subscriber "KMail Kernel ETM - 38469360" \
disconnected 20180807 15:13:23.536 CEST akonadiserver: Shutting down "KMail Kernel \
ETM" ... 20180807 15:13:23.537 CEST akonadiserver: Shutting down "kmail2-182605794" \
... 20180807 15:13:23.544 CEST akonadiserver: New notification connection (registered \
as Akonadi::Server::NotificationSubscriber(0x7fc86c23bd10) ) 20180807 15:13:23.545 \
CEST akonadiserver: Subscriber \
Akonadi::Server::NotificationSubscriber(0x7fc86c23bd10) identified as \
"SpecialCollectionsMonitor - 27662752"

-- 
Best regards/Schöne Grüße

Martin
A: Because it breaks the logical sequence of discussion
Q: Why is top posting bad?

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