[akregator] [Bug 325847] New: Akregator consumes 100% cpu and is totally unresponsive

[Shridhar Daithankar]

https://bugs.kde.org/show_bug.cgi?id=325847

            Bug ID: 325847
           Summary: Akregator consumes 100% cpu and is totally
                    unresponsive
    Classification: Unclassified
           Product: akregator
           Version: 4.11.2
          Platform: Archlinux Packages
                OS: Linux
            Status: UNCONFIRMED
          Severity: grave
          Priority: NOR
         Component: general
          Assignee: kdepim-bugs at kde.org
          Reporter: ghodechhap at ghodechhap.net

After a recent upgrade on archlinux, akregator is consuming 100% CPU. Since it
was a mass kde upgrade from 4.11.1 to 4.11.2, I cannot confirm exactly which
package caused this issue. I suspected akonadi upgrade initially but it does
not play any part with akregator it seems(thanks Daniel Vrátil for that
information)

I did isolate the isse to my existing feeds. I renamed the feeds.opml and
akregator started correctly with default feeds and worked as expected.

However importing back my feeds caused it to freeze totally. It consumes 100%
CPU and does not respond to any mouse or keyboard clicks. Menus etc do not
work. It had to be killed.

I am attaching feeds.opml for defect reproduction. Also on advise of Daniel
Vrátil on the kdepim mailing list, debug output produced by akregator on the
command line is also attached. akregator was enabled in kdebugdialog, for this
debug output.

Reproducible: Always

Steps to Reproduce:
1. Renamed existing feeds.opml 
2. started akregator. It starts normally.
3. Import original feeds.opml. 
Actual Results:  
akregator freezes. consumes 100% cpu, is totally unresponsive, needs to be
killed

Expected Results:  
imported feeds should appear in a separate node in the akregator feeds list. it
should continue working as expected.

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